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Reduced index size

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This commit is contained in:
Andrew Kane
2023-08-01 19:17:39 -07:00
parent 95eded091f
commit d3e08fdf99
8 changed files with 430 additions and 233 deletions
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3
test/t/011_hnsw_vacuum.pl
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@@ -38,6 +38,7 @@ $node->safe_psql("postgres",
# Check size
my $new_size = $node->safe_psql("postgres", "SELECT pg_total_relation_size('tst_v_idx');");
is($size, $new_size, "size does not change");
# TODO Improve
cmp_ok($new_size, "<=", $size * 1.75, "size does not increase too much");
done_testing();

8
test/t/014_hnsw_inserts.pl
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@@ -4,7 +4,8 @@ use PostgresNode;
use TestLib;
use Test::More;
my $dim = 768;
# Ensures elements and neighbors on both same and different pages
my $dim = 1900;
my $array_sql = join(",", ('random()') x $dim);
@@ -16,6 +17,9 @@ $node->start;
# Create table and index
$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, 100) i;"
);
$node->safe_psql("postgres", "CREATE INDEX ON tst USING hnsw (v vector_l2_ops);");
$node->pgbench(
@@ -37,7 +41,7 @@ sub idx_scan
$node->safe_psql("postgres", "SELECT idx_scan FROM pg_stat_user_indexes WHERE indexrelid = 'tst_v_idx'::regclass;");
}
my $expected = 5 * 100 * 10;
my $expected = 100 + 5 * 100 * 10;
my $count = $node->safe_psql("postgres", "SELECT COUNT(*) FROM tst;");
is($count, $expected);