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use strict;
use warnings FATAL => 'all';
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
my $node;
my @queries = ();
my $dim = 5;
my $array_sql = join(",", ('floor(random() * 4)::int - 2') x $dim);
# Initialize node
$node = PostgreSQL::Test::Cluster->new('node');
$node->init;
$node->start;
# Create table
$node->safe_psql("postgres", "CREATE EXTENSION vector;");
$node->safe_psql("postgres", "CREATE TABLE tst (v vector($dim));");
$node->safe_psql("postgres",
"INSERT INTO tst SELECT ARRAY[$array_sql] FROM generate_series(1, 10000) i;"
);
# Generate queries
for (1 .. 20)
{
my @r = ();
for (1 .. $dim)
{
push(@r, int(rand() * 4) - 2);
}
push(@queries, "[" . join(",", @r) . "]");
}
# Check each distance function
my @functions = ("l2_distance", "inner_product", "cosine_distance", "l1_distance");
for my $function (@functions)
{
for my $query (@queries)
{
my $expected = $node->safe_psql("postgres", "SELECT $function(v, '$query') FROM tst");
# Test halfvec
my $actual = $node->safe_psql("postgres", "SELECT $function(v::halfvec, '$query'::vector::halfvec) FROM tst");
is($expected, $actual, "halfvec $function");
# Test sparsevec
$actual = $node->safe_psql("postgres", "SELECT $function(v::sparsevec, '$query'::vector::sparsevec) FROM tst");
is($expected, $actual, "sparsevec $function");
}
}
done_testing();
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