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Improved avg test

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This commit is contained in:
Andrew Kane
2022-12-30 18:54:53 -08:00
parent 30e07a6943
commit 14984a08ea
1 changed files with 11 additions and 2 deletions
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11
test/t/008_avg.pl
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@@ -2,7 +2,7 @@ use strict;
use warnings; use warnings;
use PostgresNode; use PostgresNode;
use TestLib; use TestLib;
use Test::More tests => 4; use Test::More tests => 5;
# Initialize node # Initialize node
my $node = get_new_node('node'); my $node = get_new_node('node');
@@ -25,3 +25,12 @@ like($avg, qr/,3\.5/);
# Test explain # Test explain
my $explain = $node->safe_psql("postgres", "EXPLAIN SELECT AVG(v) FROM tst;"); my $explain = $node->safe_psql("postgres", "EXPLAIN SELECT AVG(v) FROM tst;");
like($explain, qr/Partial Aggregate/); like($explain, qr/Partial Aggregate/);
# Test matches real
$node->safe_psql("postgres", "CREATE TABLE tst2 (r real, v vector(1));");
$node->safe_psql("postgres",
"INSERT INTO tst2 SELECT t.r, ARRAY[t.r] FROM (SELECT random() AS r FROM generate_series(1, 1000000) t0) t;"
);
my $expected = $node->safe_psql("postgres", "SELECT AVG(r)::float4 FROM tst2;");
$avg = $node->safe_psql("postgres", "SELECT AVG(v) FROM tst2;");
is($avg, "[$expected]");