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Rely on plan_cache_mode to force generic plans in partition_prune test.
This file had a very weird mix of tests that did "set plan_cache_mode = force_generic_plan" to get a generic plan, and tests that relied on using five dummy executions of a prepared statement. Converting them all to rely on plan_cache_mode is more consistent and shaves off a noticeable fraction of the test script's runtime. Discussion: https://postgr.es/m/11952.1569536725@sss.pgh.pa.us
This commit is contained in:
Tom Lane
parent
863fa43e32
commit
d52eaa0948
@ -1,6 +1,8 @@
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--
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-- Test partitioning planner code
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--
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-- Force generic plans to be used for all prepared statements in this file.
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set plan_cache_mode = force_generic_plan;
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create table lp (a char) partition by list (a);
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create table lp_default partition of lp default;
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create table lp_ef partition of lp for values in ('e', 'f');
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@ -1715,33 +1717,6 @@ create table ab_a3_b3 partition of ab_a3 for values in (3);
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set enable_indexonlyscan = off;
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prepare ab_q1 (int, int, int) as
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select * from ab where a between $1 and $2 and b <= $3;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q1 (1, 8, 3);
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a | b
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---+---
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(0 rows)
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execute ab_q1 (1, 8, 3);
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a | b
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---+---
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(0 rows)
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execute ab_q1 (1, 8, 3);
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a | b
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---+---
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(0 rows)
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execute ab_q1 (1, 8, 3);
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a | b
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---+---
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(0 rows)
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execute ab_q1 (1, 8, 3);
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a | b
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---+---
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(0 rows)
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 2, 3);
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QUERY PLAN
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---------------------------------------------------------
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@ -1778,33 +1753,6 @@ deallocate ab_q1;
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-- Runtime pruning after optimizer pruning
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prepare ab_q1 (int, int) as
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select a from ab where a between $1 and $2 and b < 3;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q1 (1, 8);
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a
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---
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(0 rows)
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execute ab_q1 (1, 8);
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a
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---
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(0 rows)
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execute ab_q1 (1, 8);
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a
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---
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(0 rows)
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execute ab_q1 (1, 8);
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a
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---
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(0 rows)
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execute ab_q1 (1, 8);
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a
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---
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(0 rows)
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 2);
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QUERY PLAN
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-------------------------------------------------------
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@ -1835,31 +1783,6 @@ explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 4);
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-- different levels of partitioning.
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prepare ab_q2 (int, int) as
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select a from ab where a between $1 and $2 and b < (select 3);
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execute ab_q2 (1, 8);
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a
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---
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(0 rows)
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execute ab_q2 (1, 8);
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a
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---
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(0 rows)
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execute ab_q2 (1, 8);
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a
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---
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(0 rows)
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execute ab_q2 (1, 8);
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a
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---
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(0 rows)
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execute ab_q2 (1, 8);
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a
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---
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(0 rows)
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explain (analyze, costs off, summary off, timing off) execute ab_q2 (2, 2);
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QUERY PLAN
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--------------------------------------------------------
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@ -1878,31 +1801,6 @@ explain (analyze, costs off, summary off, timing off) execute ab_q2 (2, 2);
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-- As above, but swap the PARAM_EXEC Param to the first partition level
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prepare ab_q3 (int, int) as
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select a from ab where b between $1 and $2 and a < (select 3);
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execute ab_q3 (1, 8);
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a
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---
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(0 rows)
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execute ab_q3 (1, 8);
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a
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---
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(0 rows)
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execute ab_q3 (1, 8);
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a
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---
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(0 rows)
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execute ab_q3 (1, 8);
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a
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---
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(0 rows)
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execute ab_q3 (1, 8);
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a
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---
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(0 rows)
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explain (analyze, costs off, summary off, timing off) execute ab_q3 (2, 2);
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QUERY PLAN
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--------------------------------------------------------
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@ -2021,38 +1919,6 @@ set parallel_setup_cost = 0;
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set parallel_tuple_cost = 0;
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set min_parallel_table_scan_size = 0;
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set max_parallel_workers_per_gather = 2;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q4 (1, 8);
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avg
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-----
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(1 row)
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execute ab_q4 (1, 8);
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avg
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-----
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(1 row)
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execute ab_q4 (1, 8);
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avg
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-----
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(1 row)
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execute ab_q4 (1, 8);
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avg
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-----
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(1 row)
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execute ab_q4 (1, 8);
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avg
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-----
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(1 row)
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select explain_parallel_append('execute ab_q4 (2, 2)');
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explain_parallel_append
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-------------------------------------------------------------------------------
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@ -2074,38 +1940,6 @@ select explain_parallel_append('execute ab_q4 (2, 2)');
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-- Test run-time pruning with IN lists.
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prepare ab_q5 (int, int, int) as
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select avg(a) from ab where a in($1,$2,$3) and b < 4;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q5 (1, 2, 3);
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avg
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-----
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(1 row)
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execute ab_q5 (1, 2, 3);
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avg
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-----
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(1 row)
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execute ab_q5 (1, 2, 3);
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avg
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-----
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(1 row)
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execute ab_q5 (1, 2, 3);
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avg
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-----
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(1 row)
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execute ab_q5 (1, 2, 3);
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avg
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-----
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(1 row)
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select explain_parallel_append('execute ab_q5 (1, 1, 1)');
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explain_parallel_append
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-------------------------------------------------------------------------------
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@ -2530,7 +2364,6 @@ create table xy_1 (x int, y int);
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insert into xy_1 values(100,-10);
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set enable_bitmapscan = 0;
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set enable_indexscan = 0;
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set plan_cache_mode = 'force_generic_plan';
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prepare ab_q6 as
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select * from (
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select tableoid::regclass,a,b from ab
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@ -2573,7 +2406,6 @@ execute ab_q6(100);
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reset enable_bitmapscan;
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reset enable_indexscan;
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reset plan_cache_mode;
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deallocate ab_q1;
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deallocate ab_q2;
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deallocate ab_q3;
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@ -2956,33 +2788,6 @@ alter table part_bac attach partition part_cab for values in(2);
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alter table part_cab attach partition part_abc_p1 for values in(3);
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prepare part_abc_q1 (int, int, int) as
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select * from part_abc where a = $1 and b = $2 and c = $3;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute part_abc_q1 (1, 2, 3);
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a | b | c
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---+---+---
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(0 rows)
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execute part_abc_q1 (1, 2, 3);
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a | b | c
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---+---+---
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(0 rows)
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execute part_abc_q1 (1, 2, 3);
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a | b | c
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---+---+---
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(0 rows)
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execute part_abc_q1 (1, 2, 3);
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a | b | c
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---+---+---
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(0 rows)
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execute part_abc_q1 (1, 2, 3);
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a | b | c
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---+---+---
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(0 rows)
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-- Single partition should be scanned.
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explain (analyze, costs off, summary off, timing off) execute part_abc_q1 (1, 2, 3);
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QUERY PLAN
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@ -3009,31 +2814,6 @@ select * from listp where b = 1;
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-- partitions before finally detecting the correct set of 2nd level partitions
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-- which match the given parameter.
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prepare q1 (int,int) as select * from listp where b in ($1,$2);
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execute q1 (1,2);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2);
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a | b
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---+---
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(0 rows)
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explain (analyze, costs off, summary off, timing off) execute q1 (1,1);
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QUERY PLAN
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-----------------------------------------------------
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@ -3066,31 +2846,6 @@ explain (analyze, costs off, summary off, timing off) execute q1 (0,0);
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deallocate q1;
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-- Test more complex cases where a not-equal condition further eliminates partitions.
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prepare q1 (int,int,int,int) as select * from listp where b in($1,$2) and $3 <> b and $4 <> b;
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execute q1 (1,2,3,4);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2,3,4);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2,3,4);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2,3,4);
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a | b
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---+---
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(0 rows)
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execute q1 (1,2,3,4);
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a | b
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---+---
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(0 rows)
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-- Both partitions allowed by IN clause, but one disallowed by <> clause
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explain (analyze, costs off, summary off, timing off) execute q1 (1,2,2,0);
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QUERY PLAN
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@ -3259,7 +3014,6 @@ select * from mc3p where a < 3 and abs(b) = 1;
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-- a combination of runtime parameters is specified, not all of whose values
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-- are available at the same time
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--
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set plan_cache_mode = force_generic_plan;
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prepare ps1 as
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select * from mc3p where a = $1 and abs(b) < (select 3);
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explain (analyze, costs off, summary off, timing off)
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@ -3292,7 +3046,6 @@ execute ps2(1);
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(8 rows)
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deallocate ps2;
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reset plan_cache_mode;
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drop table mc3p;
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-- Ensure runtime pruning works with initplans params with boolean types
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create table boolvalues (value bool not null);
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@ -3344,48 +3097,6 @@ insert into ma_test select x,x from generate_series(0,29) t(x);
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create index on ma_test (b);
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analyze ma_test;
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prepare mt_q1 (int) as select a from ma_test where a >= $1 and a % 10 = 5 order by b;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute mt_q1(0);
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a
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----
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5
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15
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25
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(3 rows)
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execute mt_q1(0);
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a
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----
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5
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15
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25
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(3 rows)
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execute mt_q1(0);
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a
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----
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5
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15
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25
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(3 rows)
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execute mt_q1(0);
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a
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----
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5
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15
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25
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(3 rows)
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execute mt_q1(0);
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a
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----
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5
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15
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25
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(3 rows)
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explain (analyze, costs off, summary off, timing off) execute mt_q1(15);
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QUERY PLAN
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-------------------------------------------------------------------------------
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@ -3857,7 +3568,6 @@ from (
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select 1, 1, 1
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) s(a, b, c)
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where s.a = $1 and s.b = $2 and s.c = (select 1);
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set plan_cache_mode to force_generic_plan;
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explain (costs off) execute q (1, 1);
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QUERY PLAN
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---------------------------------------------------------------
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@ -3879,7 +3589,6 @@ execute q (1, 1);
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1 | 1 | 1
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(1 row)
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reset plan_cache_mode;
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drop table p, q;
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-- Ensure run-time pruning works correctly when we match a partitioned table
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-- on the first level but find no matching partitions on the second level.
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@ -1,6 +1,10 @@
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--
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-- Test partitioning planner code
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--
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-- Force generic plans to be used for all prepared statements in this file.
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set plan_cache_mode = force_generic_plan;
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create table lp (a char) partition by list (a);
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create table lp_default partition of lp default;
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create table lp_ef partition of lp for values in ('e', 'f');
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@ -355,14 +359,6 @@ set enable_indexonlyscan = off;
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prepare ab_q1 (int, int, int) as
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select * from ab where a between $1 and $2 and b <= $3;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q1 (1, 8, 3);
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execute ab_q1 (1, 8, 3);
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execute ab_q1 (1, 8, 3);
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execute ab_q1 (1, 8, 3);
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execute ab_q1 (1, 8, 3);
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 2, 3);
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (1, 2, 3);
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@ -372,14 +368,6 @@ deallocate ab_q1;
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prepare ab_q1 (int, int) as
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select a from ab where a between $1 and $2 and b < 3;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q1 (1, 8);
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execute ab_q1 (1, 8);
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execute ab_q1 (1, 8);
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execute ab_q1 (1, 8);
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execute ab_q1 (1, 8);
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 2);
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explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 4);
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@ -388,24 +376,12 @@ explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 4);
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prepare ab_q2 (int, int) as
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select a from ab where a between $1 and $2 and b < (select 3);
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execute ab_q2 (1, 8);
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execute ab_q2 (1, 8);
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execute ab_q2 (1, 8);
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execute ab_q2 (1, 8);
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execute ab_q2 (1, 8);
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explain (analyze, costs off, summary off, timing off) execute ab_q2 (2, 2);
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-- As above, but swap the PARAM_EXEC Param to the first partition level
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prepare ab_q3 (int, int) as
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select a from ab where b between $1 and $2 and a < (select 3);
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execute ab_q3 (1, 8);
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execute ab_q3 (1, 8);
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execute ab_q3 (1, 8);
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execute ab_q3 (1, 8);
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execute ab_q3 (1, 8);
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explain (analyze, costs off, summary off, timing off) execute ab_q3 (2, 2);
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-- Test a backwards Append scan
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@ -485,27 +461,12 @@ set parallel_tuple_cost = 0;
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set min_parallel_table_scan_size = 0;
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set max_parallel_workers_per_gather = 2;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q4 (1, 8);
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execute ab_q4 (1, 8);
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execute ab_q4 (1, 8);
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execute ab_q4 (1, 8);
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execute ab_q4 (1, 8);
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select explain_parallel_append('execute ab_q4 (2, 2)');
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-- Test run-time pruning with IN lists.
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prepare ab_q5 (int, int, int) as
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select avg(a) from ab where a in($1,$2,$3) and b < 4;
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-- Execute query 5 times to allow choose_custom_plan
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-- to start considering a generic plan.
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execute ab_q5 (1, 2, 3);
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execute ab_q5 (1, 2, 3);
|
||||
execute ab_q5 (1, 2, 3);
|
||||
execute ab_q5 (1, 2, 3);
|
||||
execute ab_q5 (1, 2, 3);
|
||||
|
||||
select explain_parallel_append('execute ab_q5 (1, 1, 1)');
|
||||
select explain_parallel_append('execute ab_q5 (2, 3, 3)');
|
||||
|
||||
@ -579,7 +540,6 @@ insert into xy_1 values(100,-10);
|
||||
|
||||
set enable_bitmapscan = 0;
|
||||
set enable_indexscan = 0;
|
||||
set plan_cache_mode = 'force_generic_plan';
|
||||
|
||||
prepare ab_q6 as
|
||||
select * from (
|
||||
@ -598,7 +558,6 @@ execute ab_q6(100);
|
||||
|
||||
reset enable_bitmapscan;
|
||||
reset enable_indexscan;
|
||||
reset plan_cache_mode;
|
||||
|
||||
deallocate ab_q1;
|
||||
deallocate ab_q2;
|
||||
@ -712,14 +671,6 @@ alter table part_cab attach partition part_abc_p1 for values in(3);
|
||||
prepare part_abc_q1 (int, int, int) as
|
||||
select * from part_abc where a = $1 and b = $2 and c = $3;
|
||||
|
||||
-- Execute query 5 times to allow choose_custom_plan
|
||||
-- to start considering a generic plan.
|
||||
execute part_abc_q1 (1, 2, 3);
|
||||
execute part_abc_q1 (1, 2, 3);
|
||||
execute part_abc_q1 (1, 2, 3);
|
||||
execute part_abc_q1 (1, 2, 3);
|
||||
execute part_abc_q1 (1, 2, 3);
|
||||
|
||||
-- Single partition should be scanned.
|
||||
explain (analyze, costs off, summary off, timing off) execute part_abc_q1 (1, 2, 3);
|
||||
|
||||
@ -741,12 +692,6 @@ select * from listp where b = 1;
|
||||
-- which match the given parameter.
|
||||
prepare q1 (int,int) as select * from listp where b in ($1,$2);
|
||||
|
||||
execute q1 (1,2);
|
||||
execute q1 (1,2);
|
||||
execute q1 (1,2);
|
||||
execute q1 (1,2);
|
||||
execute q1 (1,2);
|
||||
|
||||
explain (analyze, costs off, summary off, timing off) execute q1 (1,1);
|
||||
|
||||
explain (analyze, costs off, summary off, timing off) execute q1 (2,2);
|
||||
@ -760,12 +705,6 @@ deallocate q1;
|
||||
-- Test more complex cases where a not-equal condition further eliminates partitions.
|
||||
prepare q1 (int,int,int,int) as select * from listp where b in($1,$2) and $3 <> b and $4 <> b;
|
||||
|
||||
execute q1 (1,2,3,4);
|
||||
execute q1 (1,2,3,4);
|
||||
execute q1 (1,2,3,4);
|
||||
execute q1 (1,2,3,4);
|
||||
execute q1 (1,2,3,4);
|
||||
|
||||
-- Both partitions allowed by IN clause, but one disallowed by <> clause
|
||||
explain (analyze, costs off, summary off, timing off) execute q1 (1,2,2,0);
|
||||
|
||||
@ -842,7 +781,6 @@ select * from mc3p where a < 3 and abs(b) = 1;
|
||||
-- a combination of runtime parameters is specified, not all of whose values
|
||||
-- are available at the same time
|
||||
--
|
||||
set plan_cache_mode = force_generic_plan;
|
||||
prepare ps1 as
|
||||
select * from mc3p where a = $1 and abs(b) < (select 3);
|
||||
explain (analyze, costs off, summary off, timing off)
|
||||
@ -853,7 +791,6 @@ prepare ps2 as
|
||||
explain (analyze, costs off, summary off, timing off)
|
||||
execute ps2(1);
|
||||
deallocate ps2;
|
||||
reset plan_cache_mode;
|
||||
|
||||
drop table mc3p;
|
||||
|
||||
@ -888,14 +825,6 @@ create index on ma_test (b);
|
||||
analyze ma_test;
|
||||
prepare mt_q1 (int) as select a from ma_test where a >= $1 and a % 10 = 5 order by b;
|
||||
|
||||
-- Execute query 5 times to allow choose_custom_plan
|
||||
-- to start considering a generic plan.
|
||||
execute mt_q1(0);
|
||||
execute mt_q1(0);
|
||||
execute mt_q1(0);
|
||||
execute mt_q1(0);
|
||||
execute mt_q1(0);
|
||||
|
||||
explain (analyze, costs off, summary off, timing off) execute mt_q1(15);
|
||||
execute mt_q1(15);
|
||||
explain (analyze, costs off, summary off, timing off) execute mt_q1(25);
|
||||
@ -1075,12 +1004,9 @@ from (
|
||||
) s(a, b, c)
|
||||
where s.a = $1 and s.b = $2 and s.c = (select 1);
|
||||
|
||||
set plan_cache_mode to force_generic_plan;
|
||||
|
||||
explain (costs off) execute q (1, 1);
|
||||
execute q (1, 1);
|
||||
|
||||
reset plan_cache_mode;
|
||||
drop table p, q;
|
||||
|
||||
-- Ensure run-time pruning works correctly when we match a partitioned table
|
||||
|
||||
Loading…
Reference in New Issue
Block a user