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Simplified test

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This commit is contained in:
Andrew Kane
2022-12-30 19:25:40 -08:00
parent 14984a08ea
commit d4681dd898
1 changed files with 10 additions and 16 deletions
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26
test/t/008_avg.pl
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@@ -2,7 +2,7 @@ use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 5;
use Test::More tests => 2;
# Initialize node
my $node = get_new_node('node');
@@ -11,26 +11,20 @@ $node->start;
# Create table
$node->safe_psql("postgres", "CREATE EXTENSION vector;");
$node->safe_psql("postgres", "CREATE TABLE tst (v vector(3));");
$node->safe_psql("postgres", "CREATE TABLE tst (r1 real, r2 real, r3 real, v vector(3));");
$node->safe_psql("postgres",
"INSERT INTO tst SELECT ARRAY[1.01 + random(), 2.01 + random(), 3.01 + random()] FROM generate_series(1, 1000000) i;"
"INSERT INTO tst SELECT r1, r2, r3, ARRAY[r1, r2, r3] FROM (
SELECT random() + 1 AS r1, random() + 2 AS r2, random() + 3 AS r3 FROM generate_series(1, 1000000) t
) i;"
);
# Test avg
# Test matches real
my $r1 = $node->safe_psql("postgres", "SELECT AVG(r1)::float4 FROM tst;");
my $r2 = $node->safe_psql("postgres", "SELECT AVG(r2)::float4 FROM tst;");
my $r3 = $node->safe_psql("postgres", "SELECT AVG(r3)::float4 FROM tst;");
my $avg = $node->safe_psql("postgres", "SELECT AVG(v) FROM tst;");
like($avg, qr/\[1\.5/);
like($avg, qr/,2\.5/);
like($avg, qr/,3\.5/);
is($avg, "[$r1,$r2,$r3]");
# Test explain
my $explain = $node->safe_psql("postgres", "EXPLAIN SELECT AVG(v) FROM tst;");
like($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]");