This form of OPEN is used to open a cursor variable whose query was bound to it when it was declared. The cursor cannot be open already. A list of actual argument value expressions must appear if and only if the cursor was declared to take arguments. These values will be substituted in ...
{ "invalid_cursor_state", ERRCODE_INVALID_CURSOR_STATE }, { "invalid_transaction_state", ERRCODE_INVALID_TRANSACTION_STATE }, { "active_sql_transaction", ERRCODE_ACTIVE_SQL_TRANSACTION }, { "branch_transaction_already_active", ERRCODE_BRANCH_TRANSACTION_ALREADY_ACTIVE }, { "held_cursor_requires...
This form of OPEN is used to open a cursor variable whose query was bound to it when it was declared. The cursor cannot be open already. A list of actual argument value expressions must appear if and only if the cursor was declared to take arguments. These values will be substituted in ...
FATAL: sorry, too many clients already 原因:数据库服务器的连接数超过了max_connections设定值。 解决办法:和错误1解决办法类似。 错误3 LOG: checkpoints are occurring too frequently 原因:checkpoint处理正频繁发生。 checkpoint_segments的值。 错误4 LOG: archive command failed with exit code (X) archive_...
24000 invalid_cursor_state Class 25 — Invalid Transaction State 25000 invalid_transaction_state 25001 active_sql_transaction 25002 branch_transaction_already_active 25008 held_cursor_requires_same_isolation_level 25003 inappropriate_access_mode_for_branch_transaction 25004 inappropriate_isolation_level_for_br...
a cursor created using DECLARE CURSOR will never use a parallel plan. Similarly, a PL/pgSQL loop of the form FOR x IN query LOOP … END LOOP will never use a parallel plan, because the parallel query system is unable to verify that the code in the loop is safe to execute while paral...
24000 invalid_cursor_state Class 25 — Invalid Transaction State 25000 invalid_transaction_state 25001 active_sql_transaction 25002 branch_transaction_already_active 25008 held_cursor_requires_same_isolation_level 25003 inappropriate_access_mode_for_branch_transaction 25004 inappropriate_isolation_level_for_br...
D0008 target_server_already_in_sync 已同步目标服务 ✅ D0009 non_existant_variable 变量不存在 ✅ D0010 invalid_target_session_id 非法目标会话ID ✅ D0011 invalid_operation 非法操作 ✅ D0012 maximum_number_of_debug_sessions_reached 达到最大调试会话数 ✅ D0013 maximum_number_of_breakpoint...
‘postgresql+psycopg2://’+ conn_user+’:’+conn_password+’@’+conn_server+’/’+conn_database conn = pyodbc.connect(conn_string, connect_args={‘options’:’-csearch_path=dbo’}) cur = conn.cursor(...
postgres=# update tabs set name = 'tony' where id=5 RETURNING id || name AS idName; idname --- 5tony (1 row) postgres=# insert into tabs values(5,'tams') returning *; ERROR: duplicate key value violates unique constraint "tabs_pkey" DETAIL: Key (id)=(5) already exists.编辑于...