pgvector/test/t/038_hnsw_sparsevec_vacuum_insert.pl

use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More;

# Initialize node
my $node = get_new_node('node');
$node->init;
$node->start;

# Create table and index
$node->safe_psql("postgres", "CREATE EXTENSION vector;");
$node->safe_psql("postgres", "CREATE TABLE tst (i serial, v sparsevec(100000));");
$node->safe_psql("postgres", "CREATE INDEX ON tst USING hnsw (v sparsevec_l2_ops);");

for (1 .. 3) {
    for (1 .. 100) {
        my @elements;
        my %indices;
        for (1 .. int(rand() * 100)) {
            my $index = int(rand() * (100000 - 1)) + 1;
            if (!exists($indices{$index})) {
                my $value = rand();
                push(@elements, "$index:$value");
                $indices{$index} = 1;
            }
        }
        my $embedding = "{" . join(",", @elements) . "}/100000";
        $node->safe_psql("postgres", "INSERT INTO tst (v) VALUES ('$embedding');");
    }

    $node->safe_psql("postgres", "DELETE FROM tst WHERE i % 2 = 0;");
    $node->safe_psql("postgres", "VACUUM tst;");
    is(1, 1);
}

done_testing();