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href="https://buymeacoffee.com/vbilopavu" aria-label="Buy Me a Coffee" target="_blank" rel="noopener" data-v-7bc22406 data-v-bd121fe5><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M20.216 6.415l-.132-.666c-.119-.598-.388-1.163-1.001-1.379-.197-.069-.42-.098-.57-.241-.152-.143-.196-.366-.231-.572-.065-.378-.125-.756-.192-1.133-.057-.325-.102-.69-.25-.987-.195-.4-.597-.634-.996-.788a5.723 5.723 0 00-.626-.194c-1-.263-2.05-.36-3.077-.416a25.834 25.834 0 00-3.7.062c-.915.083-1.88.184-2.75.5-.318.116-.646.256-.888.501-.297.302-.393.77-.177 1.146.154.267.415.456.692.58.36.162.737.284 1.123.366 1.075.238 2.189.331 3.287.37 1.218.05 2.437.01 3.65-.118.299-.033.598-.073.896-.119.352-.054.578-.513.474-.834-.124-.383-.457-.531-.834-.473-.466.074-.96.108-1.382.146-1.177.08-2.358.082-3.536.006a22.228 22.228 0 01-1.157-.107c-.086-.01-.18-.025-.258-.036-.243-.036-.484-.08-.724-.13-.111-.027-.111-.185 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data-v-6aa21345><div class="divider-line" data-v-6aa21345></div></div></div><!----></header><div class="VPLocalNav has-sidebar empty" data-v-5d98c3a5 data-v-a6f0e41e><div class="container" data-v-a6f0e41e><button class="menu" aria-expanded="false" aria-controls="VPSidebarNav" data-v-a6f0e41e><span class="vpi-align-left menu-icon" data-v-a6f0e41e></span><span class="menu-text" data-v-a6f0e41e>Menu</span></button><div class="VPLocalNavOutlineDropdown" style="--vp-vh:0px;" data-v-a6f0e41e data-v-8a42e2b4><button data-v-8a42e2b4>Return to top</button><!----></div></div></div><aside class="VPSidebar" data-v-5d98c3a5 data-v-319d5ca6><div class="curtain" data-v-319d5ca6></div><nav class="nav" id="VPSidebarNav" aria-labelledby="sidebar-aria-label" tabindex="-1" data-v-319d5ca6><span class="visually-hidden" id="sidebar-aria-label" data-v-319d5ca6> Sidebar Navigation </span><!--[--><!--]--><!--[--><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 has-active" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Core Settings</h2><!----></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Overview</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/latest.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Latest Default Configuration</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/top-level.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Top-Level Settings</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/config-section.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Config Section</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/npgsqlrest.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>NpgsqlRest Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/routine-options.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Routine Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/connection.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Connection Settings</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/server.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Server & SSL</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Security</h2><!----></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/auth.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Authentication</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/external-auth.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>External OAuth</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/passkey-auth.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Passkey Authentication</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/authentication-options.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Authentication Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/claims-mapping.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Claims Mapping</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/basic-auth-config.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Basic Auth Config</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/validation.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Validation</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/antiforgery.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Antiforgery</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/data-protection.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Data Protection</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/cors.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>CORS</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/security-headers.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Security Headers</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/forwarded-headers.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Forwarded Headers</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Features</h2><!----></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/sql-file-source.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>SQL File Source</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/test-runner.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Test Runner</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/watch.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Watch Mode</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/proxy.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Proxy</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/openapi.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>OpenAPI</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/mcp.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>MCP</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/http-files.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>HTTP Files</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/codegen.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Code Generation</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/uploads.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Upload Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/table-format.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Table Format</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/http-client.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>HTTP Client</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Performance</h2><!----></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/response-compression.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Response Compression</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/cache-options.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Cache Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/rate-limiter.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Rate Limiter</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/command-retry.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Command Retry</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/thread-pool.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Thread Pool</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Infrastructure</h2><!----></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/logging.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Logging</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/static-files.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Static Files</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/error-handling.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Error Handling</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/health-checks.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Health Checks</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/config/stats.html" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Stats</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="no-transition group" data-v-c40bc020><section class="VPSidebarItem level-0 collapsible" data-v-c40bc020 data-v-b3fd67f8><div class="item" role="button" tabindex="0" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><h2 class="text" data-v-b3fd67f8>Other Links</h2><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-b3fd67f8><span class="vpi-chevron-right caret-icon" data-v-b3fd67f8></span></div></div><div class="items" data-v-b3fd67f8><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/guide/" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Guide</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b3fd67f8 data-v-b3fd67f8><div class="item" data-v-b3fd67f8><div class="indicator" data-v-b3fd67f8></div><a class="VPLink link link" href="/annotations/" data-v-b3fd67f8><!--[--><p class="text" data-v-b3fd67f8>Annotations Reference</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-5d98c3a5 data-v-1428d186><div class="VPDoc has-sidebar has-aside" data-v-1428d186 data-v-39a288b8><!--[--><!--]--><div class="container" data-v-39a288b8><div class="aside" data-v-39a288b8><div class="aside-curtain" data-v-39a288b8></div><div class="aside-container" data-v-39a288b8><div class="aside-content" data-v-39a288b8><div class="VPDocAside" data-v-39a288b8 data-v-3f215769><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-3f215769 data-v-a5bbad30><div class="content" data-v-a5bbad30><div class="outline-marker" data-v-a5bbad30></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-a5bbad30>On this page</div><ul class="VPDocOutlineItem root" data-v-a5bbad30 data-v-b933a997><!--[--><!--]--></ul></div></nav><!--[--><!--[--><!--[--><!--[--><div class="comments-outline-link" data-v-6357a5e2><a href="#comments" class="outline-link" data-v-6357a5e2>Comments</a></div><!--]--><!--]--><!--]--><!--]--><div class="spacer" data-v-3f215769></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-39a288b8><div class="content-container" data-v-39a288b8><!--[--><!--]--><main class="main" data-v-39a288b8><div style="position:relative;" class="vp-doc _config_connection" data-v-39a288b8><div><h1 id="connection-settings" tabindex="-1">Connection Settings <a class="header-anchor" href="#connection-settings" aria-label="Permalink to "Connection Settings""></a></h1><p>This page covers all database connection configuration in NpgsqlRest, including connection strings, connection behavior settings, and NpgsqlRest-specific connection options.</p><h2 id="connection-strings" tabindex="-1">Connection Strings <a class="header-anchor" href="#connection-strings" aria-label="Permalink to "Connection Strings""></a></h2><p>The <code>ConnectionStrings</code> section defines named database connections. The first available connection is used automatically when no specific connection is specified.</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=localhost;Port=5432;Database=mydb;Username=myuser;Password=mypassword"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></details><h3 id="multiple-connections" tabindex="-1">Multiple Connections <a class="header-anchor" href="#multiple-connections" aria-label="Permalink to "Multiple Connections""></a></h3><p>You can define multiple named connections for different purposes (e.g., read replicas, different databases):</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=primary.example.com;Database=mydb;Username=app;Password=secret"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ReadReplica</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=replica.example.com;Database=mydb;Username=app;Password=secret"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Analytics</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=analytics.example.com;Database=analytics;Username=report;Password=secret"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div></details><h3 id="using-environment-variables" tabindex="-1">Using Environment Variables <a class="header-anchor" href="#using-environment-variables" aria-label="Permalink to "Using Environment Variables""></a></h3><p>Connection strings support environment variable placeholders when <code>ParseEnvironmentVariables</code> is enabled (default):</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host={PGHOST};Port={PGPORT};Database={PGDATABASE};Username={PGUSER};Password={PGPASSWORD}"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></details><p>This is the recommended approach for production deployments to keep credentials out of configuration files.</p><h3 id="connection-string-parameters" tabindex="-1">Connection String Parameters <a class="header-anchor" href="#connection-string-parameters" aria-label="Permalink to "Connection String Parameters""></a></h3><p>Common PostgreSQL connection string parameters:</p><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Parameter</th><th>Description</th><th>Example</th></tr></thead><tbody><tr><td><code>Host</code></td><td>Server hostname or IP</td><td><code>localhost</code>, <code>db.example.com</code></td></tr><tr><td><code>Port</code></td><td>Server port</td><td><code>5432</code></td></tr><tr><td><code>Database</code></td><td>Database name</td><td><code>mydb</code></td></tr><tr><td><code>Username</code></td><td>Login username</td><td><code>myuser</code></td></tr><tr><td><code>Password</code></td><td>Login password</td><td><code>mypassword</code></td></tr><tr><td><code>SSL Mode</code></td><td>SSL connection mode</td><td><code>Require</code>, <code>Prefer</code>, <code>Disable</code></td></tr><tr><td><code>Pooling</code></td><td>Enable connection pooling</td><td><code>true</code>, <code>false</code></td></tr><tr><td><code>Minimum Pool Size</code></td><td>Minimum connections in pool</td><td><code>0</code></td></tr><tr><td><code>Maximum Pool Size</code></td><td>Maximum connections in pool</td><td><code>100</code></td></tr><tr><td><code>Connection Idle Lifetime</code></td><td>Seconds before idle connection is closed</td><td><code>300</code></td></tr><tr><td><code>Connection Lifetime</code></td><td>Maximum connection lifetime in seconds</td><td><code>0</code> (unlimited)</td></tr><tr><td><code>Timeout</code></td><td>Connection timeout in seconds</td><td><code>15</code></td></tr></tbody></table></div></div><p>For a complete list, see the <a href="https://www.npgsql.org/doc/connection-string-parameters.html" target="_blank" rel="noreferrer">Npgsql Connection String Parameters</a>.</p><h2 id="connection-settings-1" tabindex="-1">Connection Settings <a class="header-anchor" href="#connection-settings-1" aria-label="Permalink to "Connection Settings""></a></h2><p>The <code>ConnectionSettings</code> section controls connection behavior, testing, and retry logic.</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">SetApplicationNameInConnection</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">UseJsonApplicationName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> false</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">TestConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetryOptions</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Enabled</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetrySequenceSeconds</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;">1</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 3</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 6</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 12</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">],</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ErrorCodes</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">"08000"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08003"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08004"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "53300"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "57P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "40001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">]</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> },</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">MetadataQueryConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> null</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">MetadataQuerySchema</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> null</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">MultiHostConnectionTargets</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Any"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ByConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {}</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br></div></div></details><h3 id="settings-reference" tabindex="-1">Settings Reference <a class="header-anchor" href="#settings-reference" aria-label="Permalink to "Settings Reference""></a></h3><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Setting</th><th>Type</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>SetApplicationNameInConnection</code></td><td>bool</td><td><code>true</code></td><td>Sets the <code>ApplicationName</code> connection property to the configured application name.</td></tr><tr><td><code>UseJsonApplicationName</code></td><td>bool</td><td><code>false</code></td><td>Dynamically sets a JSON-formatted application name per request (see below). Note: Limited to 64 characters.</td></tr><tr><td><code>TestConnectionStrings</code></td><td>bool</td><td><code>true</code></td><td>Validates each connection by opening and closing it during startup.</td></tr><tr><td><code>MetadataQueryConnectionName</code></td><td>string</td><td><code>null</code></td><td>Connection name used for metadata queries. Uses default connection if null.</td></tr><tr><td><code>MetadataQuerySchema</code></td><td>string</td><td><code>null</code></td><td>Set the search path to this schema before executing the metadata query function. When <code>null</code> (default), no search path is set and the server's default search path is used. Useful when using non-superuser roles with limited schema access.</td></tr><tr><td><code>MultiHostConnectionTargets</code></td><td>object</td><td><em>(see below)</em></td><td>Configuration for multi-host connection failover and load balancing.</td></tr></tbody></table></div></div><h3 id="application-name-in-connection" tabindex="-1">Application Name in Connection <a class="header-anchor" href="#application-name-in-connection" aria-label="Permalink to "Application Name in Connection""></a></h3><p>When <code>SetApplicationNameInConnection</code> is <code>true</code>, the configured <code>ApplicationName</code> is included in the database connection. This helps identify connections in PostgreSQL monitoring tools like <code>pg_stat_activity</code>.</p><h3 id="json-application-name" tabindex="-1">JSON Application Name <a class="header-anchor" href="#json-application-name" aria-label="Permalink to "JSON Application Name""></a></h3><p>When <code>UseJsonApplicationName</code> is <code>true</code>, the <code>ApplicationName</code> connection property is set dynamically on every request in the following JSON format:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">app</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "MyApi"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">uid</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "user123"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">id</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "abc-123"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div></details><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Field</th><th>Description</th></tr></thead><tbody><tr><td><code>app</code></td><td>Application name from configuration</td></tr><tr><td><code>uid</code></td><td>User ID for authenticated users, or <code>null</code> for anonymous requests</td></tr><tr><td><code>id</code></td><td>Value of the execution request header, or <code>null</code> if not provided</td></tr></tbody></table></div></div><p>The execution request header name can be configured in the <code>NpgsqlRest</code> section under<code>ExecutionIdHeaderName</code> (default is <code>X-NpgsqlRest-ID</code>). See <a href="./npgsqlrest.html#request-headers">NpgsqlRest Request Headers</a> for details.</p><p>This provides detailed per-request tracking in PostgreSQL's <code>pg_stat_activity</code>.</p><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>The <code>ApplicationName</code> connection property is limited to 64 characters. Longer values will be truncated.</p></div><h3 id="connection-testing" tabindex="-1">Connection Testing <a class="header-anchor" href="#connection-testing" aria-label="Permalink to "Connection Testing""></a></h3><p>When <code>TestConnectionStrings</code> is <code>true</code> (default), NpgsqlRest validates all configured connections at startup by opening and closing each one. This ensures:</p><ul><li>Connection strings are valid</li><li>Database servers are reachable</li><li>Credentials are correct</li></ul><p>If any connection fails, the application will not start.</p><h2 id="retry-options" tabindex="-1">Retry Options <a class="header-anchor" href="#retry-options" aria-label="Permalink to "Retry Options""></a></h2><p>The <code>RetryOptions</code> section configures automatic retry behavior for transient connection failures.</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetryOptions</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Enabled</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetrySequenceSeconds</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;">1</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 3</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 6</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 12</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">],</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ErrorCodes</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">"08000"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08003"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08004"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "53300"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "57P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "40001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">]</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div></details><h3 id="retry-settings-reference" tabindex="-1">Retry Settings Reference <a class="header-anchor" href="#retry-settings-reference" aria-label="Permalink to "Retry Settings Reference""></a></h3><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Setting</th><th>Type</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>Enabled</code></td><td>bool</td><td><code>true</code></td><td>Enable automatic retry for connection failures.</td></tr><tr><td><code>RetrySequenceSeconds</code></td><td>number[]</td><td><code>[1, 3, 6, 12]</code></td><td>Wait intervals (in seconds) between retry attempts. Supports decimals like <code>0.25</code>.</td></tr><tr><td><code>ErrorCodes</code></td><td>string[]</td><td><em>(see below)</em></td><td>PostgreSQL error codes that trigger automatic retries.</td></tr></tbody></table></div></div><h3 id="default-error-codes" tabindex="-1">Default Error Codes <a class="header-anchor" href="#default-error-codes" aria-label="Permalink to "Default Error Codes""></a></h3><p>The default error codes cover common transient failures:</p><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Code</th><th>Class</th><th>Description</th></tr></thead><tbody><tr><td><code>08000</code></td><td>Connection Exception</td><td>General connection error</td></tr><tr><td><code>08001</code></td><td>SQL Client Unable to Establish Connection</td><td>Client cannot connect</td></tr><tr><td><code>08003</code></td><td>Connection Does Not Exist</td><td>Connection lost</td></tr><tr><td><code>08004</code></td><td>SQL Server Rejected Connection</td><td>Server rejected connection</td></tr><tr><td><code>08006</code></td><td>Connection Failure</td><td>Connection failed</td></tr><tr><td><code>55006</code></td><td>Object In Use</td><td>Database object is in use</td></tr><tr><td><code>55P03</code></td><td>Lock Not Available</td><td>Cannot acquire lock</td></tr><tr><td><code>53300</code></td><td>Too Many Connections</td><td>Connection limit reached</td></tr><tr><td><code>57P03</code></td><td>Cannot Connect Now</td><td>Server starting up</td></tr><tr><td><code>40001</code></td><td>Serialization Failure</td><td>Transaction serialization conflict</td></tr></tbody></table></div></div><h3 id="custom-retry-configuration" tabindex="-1">Custom Retry Configuration <a class="header-anchor" href="#custom-retry-configuration" aria-label="Permalink to "Custom Retry Configuration""></a></h3><p>For high-availability scenarios, you might want more aggressive retries:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetryOptions</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Enabled</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetrySequenceSeconds</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;">0.5</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 1</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 2</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 4</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 8</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 16</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 32</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">],</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ErrorCodes</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">"08000"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08003"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "57P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">]</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div></details><h2 id="multi-host-connection-support" tabindex="-1">Multi-Host Connection Support <a class="header-anchor" href="#multi-host-connection-support" aria-label="Permalink to "Multi-Host Connection Support""></a></h2><p>NpgsqlRest supports PostgreSQL multi-host connections with failover and load balancing capabilities using Npgsql's <code>NpgsqlMultiHostDataSource</code>.</p><h3 id="multi-host-connection-strings" tabindex="-1">Multi-Host Connection Strings <a class="header-anchor" href="#multi-host-connection-strings" aria-label="Permalink to "Multi-Host Connection Strings""></a></h3><p>Connection strings with comma-separated hosts are automatically detected as multi-host connections:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=primary.db.com,replica1.db.com,replica2.db.com;Database=mydb;Username=app;Password=secret"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></details><h3 id="target-session-attributes" tabindex="-1">Target Session Attributes <a class="header-anchor" href="#target-session-attributes" aria-label="Permalink to "Target Session Attributes""></a></h3><p>Configure which server type to target for each connection:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">MultiHostConnectionTargets</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Any"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ByConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">readonly</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Standby"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">primary</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Primary"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div></details><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Value</th><th>Description</th></tr></thead><tbody><tr><td><code>Any</code></td><td>Any successful connection is acceptable (default)</td></tr><tr><td><code>Primary</code></td><td>Server must not be in hot standby mode</td></tr><tr><td><code>Standby</code></td><td>Server must be in hot standby mode</td></tr><tr><td><code>PreferPrimary</code></td><td>Try primary first, fall back to any</td></tr><tr><td><code>PreferStandby</code></td><td>Try standby first, fall back to any</td></tr><tr><td><code>ReadWrite</code></td><td>Session must accept read-write transactions</td></tr><tr><td><code>ReadOnly</code></td><td>Session must not accept read-write transactions</td></tr></tbody></table></div></div><p>See <a href="https://www.npgsql.org/doc/failover-and-load-balancing.html" target="_blank" rel="noreferrer">Npgsql Failover and Load Balancing</a> for more details.</p><h3 id="multi-host-example" tabindex="-1">Multi-Host Example <a class="header-anchor" href="#multi-host-example" aria-label="Permalink to "Multi-Host Example""></a></h3><p>Complete configuration for a primary-replica setup:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=primary.db.com,replica1.db.com,replica2.db.com;Database=mydb;Username=app;Password=secret"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ReadOnly</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host=replica1.db.com,replica2.db.com,primary.db.com;Database=mydb;Username=app;Password=secret"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> },</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">MultiHostConnectionTargets</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "PreferPrimary"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ByConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ReadOnly</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "PreferStandby"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br></div></div></details><h2 id="npgsqlrest-connection-options" tabindex="-1">NpgsqlRest Connection Options <a class="header-anchor" href="#npgsqlrest-connection-options" aria-label="Permalink to "NpgsqlRest Connection Options""></a></h2><p>The <code>NpgsqlRest</code> section contains additional connection-related settings that control how routines interact with database connections.</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">NpgsqlRest</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> null</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">UseMultipleConnections</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> false</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div></details><h3 id="npgsqlrest-connection-settings-reference" tabindex="-1">NpgsqlRest Connection Settings Reference <a class="header-anchor" href="#npgsqlrest-connection-settings-reference" aria-label="Permalink to "NpgsqlRest Connection Settings Reference""></a></h3><div class="table-container"><div class="table-wrapper"><table tabindex="0"><thead><tr><th>Setting</th><th>Type</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>ConnectionName</code></td><td>string</td><td><code>null</code></td><td>Connection name from <code>ConnectionStrings</code> to use. Uses first available if <code>null</code>.</td></tr><tr><td><code>UseMultipleConnections</code></td><td>bool</td><td><code>false</code></td><td>Allow individual routines to specify alternative connections.</td></tr></tbody></table></div></div><h3 id="using-multiple-connections" tabindex="-1">Using Multiple Connections <a class="header-anchor" href="#using-multiple-connections" aria-label="Permalink to "Using Multiple Connections""></a></h3><p>When <code>UseMultipleConnections</code> is <code>true</code>, individual PostgreSQL routines can specify which connection to use via comments. This is useful for:</p><ul><li><strong>Read replicas</strong>: Route read-only queries to replicas</li><li><strong>Sharding</strong>: Route queries to different database shards</li><li><strong>Resource isolation</strong>: Separate heavy analytics queries from transactional workloads</li></ul><p>Example PostgreSQL function using a specific connection:</p><details class="code-collapsible" open><summary>sql</summary><div class="language-sql vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">sql</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">create</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> function</span><span style="--shiki-light:#1E66F5;--shiki-light-font-style:italic;--shiki-dark:#89B4FA;--shiki-dark-font-style:italic;"> get_report_data</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">()</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">returns</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> table</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;">(...)</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">language</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> sql</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">begin</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> atomic</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;">;</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> select</span><span style="--shiki-light:#179299;--shiki-dark:#94E2D5;"> *</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> from</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;"> large_table;</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">end</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">comment on function get_report_data() is </span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">'</span></span>
<span class="line"><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">HTTP GET /reports/data</span></span>
<span class="line"><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">@connection ReadReplica</span></span>
<span class="line"><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">'</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;">;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div></details><p><strong>Equivalent as a SQL file endpoint</strong> (<code>sql/get-report-data.sql</code>):</p><details class="code-collapsible" open><summary>sql</summary><div class="language-sql vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">sql</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#9CA0B0;--shiki-light-font-style:italic;--shiki-dark:#6C7086;--shiki-dark-font-style:italic;">/*</span></span>
<span class="line"><span style="--shiki-light:#9CA0B0;--shiki-light-font-style:italic;--shiki-dark:#6C7086;--shiki-dark-font-style:italic;">HTTP GET /reports/data</span></span>
<span class="line"><span style="--shiki-light:#9CA0B0;--shiki-light-font-style:italic;--shiki-dark:#6C7086;--shiki-dark-font-style:italic;">@connection ReadReplica</span></span>
<span class="line"><span style="--shiki-light:#9CA0B0;--shiki-light-font-style:italic;--shiki-dark:#6C7086;--shiki-dark-font-style:italic;">*/</span></span>
<span class="line"><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;">select</span><span style="--shiki-light:#179299;--shiki-dark:#94E2D5;"> *</span><span style="--shiki-light:#8839EF;--shiki-dark:#CBA6F7;"> from</span><span style="--shiki-light:#4C4F69;--shiki-dark:#CDD6F4;"> large_table;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></details><h2 id="complete-example" tabindex="-1">Complete Example <a class="header-anchor" href="#complete-example" aria-label="Permalink to "Complete Example""></a></h2><p>Here's a complete connection configuration for a production environment:</p><details class="code-collapsible" open><summary>json</summary><div class="language-json vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">json</span><pre class="shiki shiki-themes catppuccin-latte catppuccin-mocha vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">{</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Default</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host={PGHOST};Port={PGPORT};Database={PGDATABASE};Username={PGUSER};Password={PGPASSWORD};SSL Mode=Require;Pooling=true;Maximum Pool Size=100"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ReadReplica</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "Host={PGHOST_REPLICA};Port={PGPORT};Database={PGDATABASE};Username={PGUSER};Password={PGPASSWORD};SSL Mode=Require;Pooling=true;Maximum Pool Size=50"</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> },</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionSettings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">SetApplicationNameInConnection</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">UseJsonApplicationName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> false</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">TestConnectionStrings</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetryOptions</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">Enabled</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">RetrySequenceSeconds</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;">0.5</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 1</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 2</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 5</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> 10</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">],</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ErrorCodes</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> [</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;">"08000"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08003"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "08004"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "55006"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "53300"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "57P03"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span><span style="--shiki-light:#40A02B;--shiki-dark:#A6E3A1;"> "40001"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">]</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> },</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">NpgsqlRest</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> {</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">ConnectionName</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> null</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">,</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> "</span><span style="--shiki-light:#1E66F5;--shiki-dark:#89B4FA;">UseMultipleConnections</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">"</span><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">:</span><span style="--shiki-light:#FE640B;--shiki-dark:#FAB387;"> true</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;"> }</span></span>
<span class="line"><span style="--shiki-light:#7C7F93;--shiki-dark:#9399B2;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br></div></div></details><h2 id="related" tabindex="-1">Related <a class="header-anchor" href="#related" aria-label="Permalink to "Related""></a></h2><ul><li><a href="./../annotations/connection.html">connection annotation</a> - Use named database connection per endpoint</li><li><a href="./../guide/annotations.html">Comment Annotations Guide</a> - How annotations work</li><li><a href="./../guide/configuration.html">Configuration Guide</a> - How configuration works</li></ul><h2 id="next-steps" tabindex="-1">Next Steps <a class="header-anchor" href="#next-steps" aria-label="Permalink to "Next Steps""></a></h2><ul><li><a href="./server.html">Server & SSL</a> - Configure HTTPS and Kestrel web server</li><li><a href="./auth.html">Authentication</a> - Set up authentication methods</li></ul><h2 id="see-also" tabindex="-1">See Also <a class="header-anchor" href="#see-also" aria-label="Permalink to "See Also""></a></h2><ul><li><a href="/annotations/connection.html">CONNECTION</a> - Use named connection per endpoint</li></ul></div></div></main><footer 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