polardb-mysql-mcp-server/server.py [258:266]:
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                with conn.cursor() as cursor:
                    cursor.execute(query)
                    if cursor.description is not None:
                        columns = [desc[0] for desc in cursor.description]
                        rows = cursor.fetchall()
                        result = [",".join(map(str, row)) for row in rows]
                        return [TextContent(type="text", text="\n".join([",".join(columns)] + result))]
                    else:
                        conn.commit()
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polardb-postgresql-mcp-server/server.py [241:249]:
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                with conn.cursor() as cursor:
                    cursor.execute(query)
                    if cursor.description is not None:
                        columns = [desc[0] for desc in cursor.description]
                        rows = cursor.fetchall()
                        result = [",".join(map(str, row)) for row in rows]
                        return [TextContent(type="text", text="\n".join([",".join(columns)] + result))]
                    else:
                        conn.commit()
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