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limit-and-offset-tests.js
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125 lines (118 loc) · 5.33 KB
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'use strict';
var Harness = require('./support');
var user = Harness.defineUserTable();
// For compatibility with PostgreSQL, MySQL also supports the LIMIT row_count OFFSET offset syntax.
// http://dev.mysql.com/doc/refman/5.0/en/select.html
Harness.test({
query: user.select(user.star()).from(user).order(user.name.asc).limit(1),
pg: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 1',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 1'
},
sqlite: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 1',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 1'
},
mysql: {
text : 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` LIMIT 1',
string: 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` LIMIT 1'
},
mssql: {
text : 'SELECT TOP(1) [user].* FROM [user] ORDER BY [user].[name]',
string: 'SELECT TOP(1) [user].* FROM [user] ORDER BY [user].[name]'
},
clickhouse: {
text : 'SELECT * FROM `user` ORDER BY `name` LIMIT 1',
string: 'SELECT * FROM `user` ORDER BY `name` LIMIT 1'
},
params: []
});
Harness.test({
query: user.select(user.star()).from(user).order(user.name.asc).limit(3).offset(6),
pg: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 3 OFFSET 6',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 3 OFFSET 6'
},
sqlite: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 3 OFFSET 6',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" LIMIT 3 OFFSET 6'
},
mysql: {
text : 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` LIMIT 3 OFFSET 6',
string: 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` LIMIT 3 OFFSET 6'
},
mssql: {
text : 'SELECT [user].* FROM [user] ORDER BY [user].[name] OFFSET 6 ROWS FETCH NEXT 3 ROWS ONLY',
string: 'SELECT [user].* FROM [user] ORDER BY [user].[name] OFFSET 6 ROWS FETCH NEXT 3 ROWS ONLY'
},
/* TODO
clickhouse: {
text : 'SELECT * FROM `user` ORDER BY `name` LIMIT 6, 3',
string: 'SELECT * FROM `user` ORDER BY `name` LIMIT 6, 3'
},
*/
params: []
});
Harness.test({
query: user.select(user.star()).from(user).order(user.name.asc).offset(10),
pg: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10'
},
sqlite: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10'
},
mysql: {
text : 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` OFFSET 10',
string: 'SELECT `user`.* FROM `user` ORDER BY `user`.`name` OFFSET 10'
},
mssql: {
text : 'SELECT [user].* FROM [user] ORDER BY [user].[name] OFFSET 10 ROWS',
string: 'SELECT [user].* FROM [user] ORDER BY [user].[name] OFFSET 10 ROWS'
},
oracle: {
text : 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10 ROWS',
string: 'SELECT "user".* FROM "user" ORDER BY "user"."name" OFFSET 10 ROWS'
},
/* TODO
clickhouse: {
text : 'Clickhouse does not support OFFSET without LIMIT.',
throws: true
},
*/
params: []
});
Harness.test({
query: user.select(user.star()).where({
name: 'John'
}).offset(user.subQuery().select('FLOOR(RANDOM() * COUNT(*))').where({
name: 'John'
})).limit(1),
pg: {
text : 'SELECT "user".* FROM "user" WHERE ("user"."name" = $1) OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = $2)) LIMIT 1',
string: 'SELECT "user".* FROM "user" WHERE ("user"."name" = \'John\') OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = \'John\')) LIMIT 1'
},
sqlite: {
text : 'SELECT "user".* FROM "user" WHERE ("user"."name" = $1) OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = $2)) LIMIT 1',
string: 'SELECT "user".* FROM "user" WHERE ("user"."name" = \'John\') OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = \'John\')) LIMIT 1'
},
mysql: {
text : 'SELECT `user`.* FROM `user` WHERE (`user`.`name` = ?) OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM `user` WHERE (`user`.`name` = ?)) LIMIT 1',
string: 'SELECT `user`.* FROM `user` WHERE (`user`.`name` = \'John\') OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM `user` WHERE (`user`.`name` = \'John\')) LIMIT 1'
},
mssql: {
text : 'Microsoft SQL Server does not support OFFSET without and ORDER BY.',
throws: true
},
oracle: {
text : 'SELECT "user".* FROM "user" WHERE ("user"."name" = :1) OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = :2)) ROWS FETCH NEXT 1 ROWS ONLY',
string: 'SELECT "user".* FROM "user" WHERE ("user"."name" = \'John\') OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM "user" WHERE ("user"."name" = \'John\')) ROWS FETCH NEXT 1 ROWS ONLY'
},
clickhouse: {
text : 'SELECT * FROM `user` WHERE (`name` = ?) OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM `user` WHERE (`name` = ?)) LIMIT 1',
string: 'SELECT * FROM `user` WHERE (`name` = \'John\') OFFSET (SELECT FLOOR(RANDOM() * COUNT(*)) FROM `user` WHERE (`name` = \'John\')) LIMIT 1'
},
values: ['John', 'John']
});
// TODO: Should probably have a test case like the one above but including an ORDER BY clause so the mssql case can be tested