73 lines
2.2 KiB
SQL
73 lines
2.2 KiB
SQL
-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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-- A-Times were misestimated with the default sampling
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-- ALTER SESSION SET "_rowsource_statistics_sampfreq"=1;
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ALTER SESSION SET "_serial_direct_read"=ALWAYS;
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SELECT /*+ MONITOR test2a */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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@getprev
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@xpi &prev_sql_id
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@xia &prev_sql_id &prev_child_number
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-- @ash/asqlmon &prev_sql_id &prev_child_number
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-- @sqlidx &prev_sql_id &prev_child_number
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SELECT /*+ MONITOR NO_PUSH_SUBQ(@"SEL$2") test2b */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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@getprev
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-- @ash/asqlmon &prev_sql_id &prev_child_number
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-- @sqlidx &prev_sql_id &prev_child_number
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@xpi &prev_sql_id
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@xia &prev_sql_id &prev_child_number
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-- ALTER SESSION SET "_rowsource_statistics_sampfreq"=128;
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SELECT /*+ MONITOR OPT_PARAM('cell_offload_processing', 'false') test3a */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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SELECT /*+ MONITOR NO_PUSH_SUBQ(@"SEL$2") OPT_PARAM('cell_offload_processing', 'false') test3b */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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SELECT /*+ MONITOR PUSH_SUBQ(@"SEL$2") OPT_PARAM('cell_offload_processing', 'true') test4a */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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SELECT /*+ MONITOR NO_PUSH_SUBQ(@"SEL$2") OPT_PARAM('cell_offload_processing', 'true') test4b */
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SUM(LENGTH(object_name)) + SUM(LENGTH(object_type)) + SUM(LENGTH(owner))
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FROM
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test_objects_100m o
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WHERE
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o.owner = (SELECT u.username FROM test_users u WHERE user_id = 13)
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/
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