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Add validation function for dsm_size_max variable Check if the data in files containing dsa segments can fit in dsm_size_max Remove entry from aqo_queries if dsa is full
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Alexandra Pervushina
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Jun 28, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| use strict; | ||
| use warnings; | ||
|
|
||
| use Config; | ||
| use PostgreSQL::Test::Cluster; | ||
| use PostgreSQL::Test::Utils; | ||
|
|
||
| use Test::More tests => 5; | ||
|
|
||
| my $node = PostgreSQL::Test::Cluster->new('aqotest'); | ||
| $node->init; | ||
| $node->append_conf('postgresql.conf', qq{ | ||
| shared_preload_libraries = 'aqo' | ||
| aqo.mode = 'learn' | ||
| log_statement = 'ddl' | ||
| aqo.join_threshold = 0 | ||
| aqo.dsm_size_max = 4 | ||
| aqo.fs_max_items = 30000 | ||
| aqo.querytext_max_size = 1000000 | ||
| }); | ||
|
|
||
| # Disable connection default settings, forced by PGOPTIONS in AQO Makefile | ||
| $ENV{PGOPTIONS}=""; | ||
|
|
||
| # General purpose variables. | ||
| my $long_string = 'a' x 1000000; | ||
|
|
||
| $node->start(); | ||
| $node->psql('postgres', 'CREATE EXTENSION aqo;'); | ||
|
|
||
| for my $i (1 .. 3) { | ||
| $node->psql('postgres', "select aqo_query_texts_update(" . $i . ", \'" . $long_string . "\');"); | ||
| } | ||
| $node->stop(); | ||
|
|
||
| $node->adjust_conf('postgresql.conf', 'aqo.dsm_size_max', '1'); | ||
| is($node->start(fail_ok => 1), | ||
| 0, "node fails to start"); | ||
|
|
||
| $node->adjust_conf('postgresql.conf', 'aqo.dsm_size_max', '4'); | ||
| is($node->start(), | ||
| 1, "node starts"); | ||
| $node->psql('postgres', 'select * from aqo_reset();'); | ||
|
|
||
| $long_string = '1, ' x 10000; | ||
| for my $i (1 .. 30) { | ||
| $node->psql('postgres', "select aqo_data_update(" . $i . ", 1, 1, '{{1}}', '{1}', '{1}', '{" . $long_string . " 1}');"); | ||
| } | ||
| $node->stop(); | ||
|
|
||
| $node->adjust_conf('postgresql.conf', 'aqo.dsm_size_max', '1'); | ||
| is($node->start(fail_ok => 1), | ||
| 0, "node fails to start"); | ||
|
|
||
| $node->adjust_conf('postgresql.conf', 'aqo.dsm_size_max', '4'); | ||
| is($node->start(), | ||
| 1, "node starts"); | ||
| $node->psql('postgres', 'select * from aqo_reset();'); | ||
| $node->stop(); | ||
|
|
||
| my $regex; | ||
| $long_string = 'a' x 100000; | ||
| $regex = qr/.*WARNING: \[AQO\] Not enough DSA\. AQO was disabled for this query/; | ||
| $node->adjust_conf('postgresql.conf', 'aqo.dsm_size_max', '1'); | ||
| $node->start(); | ||
| my ($stdout, $stderr); | ||
| for my $i (1 .. 20) { | ||
| $node->psql('postgres', "create table a as select s, md5(random()::text) from generate_Series(1,100) s;"); | ||
| $node->psql('postgres', | ||
| "SELECT a.s FROM a CROSS JOIN ( SELECT '" . $long_string . "' as long_string) AS extra_rows;", | ||
| stdout => \$stdout, stderr => \$stderr); | ||
| $node->psql('postgres', "drop table a"); | ||
| } | ||
| like($stderr, $regex, 'warning for exceeding the dsa limit'); | ||
| $node->stop; | ||
| done_testing(); |