Skip to content

Fix SQLAlchemy execution error by using text() function #491

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Apr 21, 2025
Merged

Fix SQLAlchemy execution error by using text() function #491

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions clickhouse_connect/cc_sqlalchemy/dialect.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@

from sqlalchemy import text
from sqlalchemy.engine.default import DefaultDialect

from clickhouse_connect import dbapi
Expand Down Expand Up @@ -46,8 +47,8 @@ def get_schema_names(connection, **_):

@staticmethod
def has_database(connection, db_name):
return (connection.execute('SELECT name FROM system.databases ' +
f'WHERE name = {format_str(db_name)}')).rowcount > 0
return (connection.execute(text('SELECT name FROM system.databases ' +
f'WHERE name = {format_str(db_name)}'))).rowcount > 0

def get_table_names(self, connection, schema=None, **kw):
cmd = 'SHOW TABLES'
Expand Down Expand Up @@ -87,7 +88,7 @@ def get_check_constraints(self, connection, table_name, schema=None, **kw):
return []

def has_table(self, connection, table_name, schema=None, **_kw):
result = connection.execute(f'EXISTS TABLE {full_table(table_name, schema)}')
result = connection.execute(text(f'EXISTS TABLE {full_table(table_name, schema)}'))
row = result.fetchone()
return row[0] == 1

Expand Down