41 lines
1.2 KiB
SQL
41 lines
1.2 KiB
SQL
/*
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
Purpose:
|
|
|
|
generate an optimizer trace from the cursor cache. Removes the need to
|
|
purge the cursor or force a hard parse
|
|
*/
|
|
|
|
PRO
|
|
PRO Generate an optimizer trace from the cursor cache
|
|
PRO
|
|
|
|
ACC v_sql_id PROMPT 'Enter your SQL ID: '
|
|
|
|
PRO checking cursor cache for SQL ID &v_sql_id
|
|
|
|
select sql_id, plan_hash_value, child_number from gv$sql where sql_id = '&v_sql_id';
|
|
|
|
ACC v_child_number PROMPT 'Enter the child cursor number: '
|
|
|
|
BEGIN
|
|
sys.DBMS_SQLDIAG.DUMP_TRACE(
|
|
p_sql_id => '&v_sql_id',
|
|
p_child_number => &v_child_number,
|
|
p_component => 'Compiler'
|
|
);
|
|
END;
|
|
/
|
|
|
|
select 'Trace file: ' || value tracefile from v$diag_info where name like 'Def%'; |