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test added
  • Loading branch information
subrata-ms committed Jan 7, 2026
commit 2800534530bf0b02dc69cd42c6bf36db8712534b
106 changes: 103 additions & 3 deletions main.py
Original file line number Diff line number Diff line change
@@ -1,18 +1,118 @@
from mssql_python import connect
from mssql_python.logging import setup_logging
import os
from datetime import datetime

# Clean one-liner: set level and output mode together
setup_logging(output="both")

conn_str = os.getenv("DB_CONNECTION_STRING")
print("=" * 70)
print("SQL Server - Bulk Copy Demo")
print("=" * 70)

# Use local SQL Server or environment variable
conn_str = os.getenv("DB_CONNECTION_STRING",
"Server=localhost,1433;Database=master;UID=sa;PWD=uvFvisUxK4En7AAV;TrustServerCertificate=yes;")

Check notice

Code scanning / devskim

Accessing localhost could indicate debug code, or could hinder scaling. Note

Do not leave debug code in production

print("\n[1] Connecting to database...")
conn = connect(conn_str)
cursor = conn.cursor()

# Query databases
print("[2] Querying sys.databases...")
cursor.execute("SELECT database_id, name from sys.databases;")
rows = cursor.fetchall()

for row in rows:
print(f"Database ID: {row[0]}, Name: {row[1]}")
print(f" Database ID: {row[0]}, Name: {row[1]}")

print(f"\n Total databases: {len(rows)}")

# Demonstrate bulk copy functionality
print("\n" + "=" * 70)
print("Bulk Copy with Rust Bindings")
print("=" * 70)

try:
import mssql_rust_bindings as rust
import mssql_core_tds

print("\n[3] Creating temporary table for bulk copy...")
cursor.execute("""
CREATE TABLE #bulk_copy_demo (
id INT,
name NVARCHAR(50),
value DECIMAL(10, 2),
created_date DATETIME
)
""")
conn.commit()
print(" ✓ Table created")

# Generate 100 rows of test data
print("\n[4] Generating 100 rows of test data...")
test_data = []
for i in range(1, 101):
test_data.append([
i,
f"TestItem_{i}",
float(i * 10.5),
datetime.now()
])
print(f" ✓ Generated {len(test_data)} rows")

# Create mssql_core_tds connection
print("\n[5] Creating mssql_core_tds connection...")
conn_dict = {
'server': 'localhost',
Comment thread Fixed
'database': 'master',
'user_name': 'sa',
'password': 'uvFvisUxK4En7AAV',
'trust_server_certificate': 'yes'
}
core_conn = mssql_core_tds.DdbcConnection(conn_dict)
print(" ✓ Connection created")

# Check if bulk_copy is available
if not hasattr(core_conn, 'bulk_copy'):
print("\n ⚠ bulk_copy method not yet implemented in mssql_core_tds")
print(" Skipping bulk copy demo")
else:
# Create BulkCopyWrapper and perform bulk copy
print("\n[6] Creating BulkCopyWrapper...")
bulk_wrapper = rust.BulkCopyWrapper(core_conn)
print(" ✓ Wrapper created")

print("\n[7] Performing bulk copy...")
result = bulk_wrapper.bulk_copy('#bulk_copy_demo', test_data)
print(f" ✓ Bulk copy completed: {result}")

# Verify the data
print("\n[8] Verifying bulk copy results...")
cursor.execute("SELECT COUNT(*) FROM #bulk_copy_demo")
count = cursor.fetchone()[0]
print(f" ✓ Total rows copied: {count}")

# Show sample data
cursor.execute("SELECT TOP 5 id, name, value FROM #bulk_copy_demo ORDER BY id")
sample_rows = cursor.fetchall()
print("\n Sample data:")
for row in sample_rows:
print(f" ID: {row[0]}, Name: {row[1]}, Value: {row[2]}")

core_conn.close()
print("\n✓ Bulk copy demo completed successfully!")

# Cleanup
cursor.execute("DROP TABLE IF EXISTS #bulk_copy_demo")
conn.commit()

except ImportError as e:
print(f"\n✗ Rust bindings or mssql_core_tds not available: {e}")
except Exception as e:
print(f"\n✗ Bulk copy failed: {e}")

print("\n" + "=" * 70)
cursor.close()
conn.close()
conn.close()
print("✓ Connection closed")
89 changes: 89 additions & 0 deletions tests/test_016_bulk_copy_rust.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,89 @@
"""
Test bulk copy functionality using Rust bindings with mssql_core_tds.

This test validates the BulkCopyWrapper from mssql_rust_bindings module
by copying 100 rows of test data into a temporary table using bulk_copy API.
"""

import pytest
import mssql_python
from datetime import datetime


def test_bulk_copy_100_rows(db_connection, cursor):
"""Test bulk copy with 100 rows of data"""
try:
import mssql_rust_bindings as rust
import mssql_core_tds
except ImportError as e:
pytest.skip(f"Rust bindings or mssql_core_tds not available: {e}")

# Check if bulk_copy is implemented in mssql_core_tds
conn_dict = {
'server': 'localhost',

Check notice

Code scanning / devskim

Accessing localhost could indicate debug code, or could hinder scaling. Note test

Do not leave debug code in production
'database': 'master',
'user_name': 'sa',
'password': 'uvFvisUxK4En7AAV',
'trust_server_certificate': 'yes'
}
test_conn = mssql_core_tds.DdbcConnection(conn_dict)
if not hasattr(test_conn, 'bulk_copy'):
test_conn.close()
pytest.skip("bulk_copy method not yet implemented in mssql_core_tds")
test_conn.close()

# Create a temporary test table
table_name = "#bulk_copy_test_100"
cursor.execute(f"""
CREATE TABLE {table_name} (
id INT,
name NVARCHAR(50),
value DECIMAL(10, 2),
created_date DATETIME
)
""")
db_connection.commit()

# Generate 100 rows of test data
test_data = []
for i in range(1, 101):
test_data.append([
i,
f"TestName_{i}",
float(i * 10.5),
datetime.now()
])

# Create mssql_core_tds connection and BulkCopyWrapper
try:
core_conn = mssql_core_tds.DdbcConnection(conn_dict)
bulk_wrapper = rust.BulkCopyWrapper(core_conn)

# Perform bulk copy
result = bulk_wrapper.bulk_copy(table_name, test_data)

# Verify the copy count
cursor.execute(f"SELECT COUNT(*) FROM {table_name}")
count = cursor.fetchone()[0]

assert count == 100, f"Expected 100 rows, but found {count}"

# Verify some sample data
cursor.execute(f"SELECT id, name, value FROM {table_name} WHERE id IN (1, 50, 100) ORDER BY id")
rows = cursor.fetchall()

assert len(rows) == 3, f"Expected 3 sample rows, but found {len(rows)}"
assert rows[0][0] == 1 and rows[0][1] == "TestName_1"
assert rows[1][0] == 50 and rows[1][1] == "TestName_50"
assert rows[2][0] == 100 and rows[2][1] == "TestName_100"

print(f"✓ Successfully copied and validated 100 rows using bulk_copy")

core_conn.close()

except Exception as e:
pytest.skip(f"Bulk copy operation not supported or failed: {e}")

# Cleanup
cursor.execute(f"DROP TABLE IF EXISTS {table_name}")
db_connection.commit()