mirror of
https://github.com/pgvector/pgvector.git
synced 2026-07-01 02:02:10 +08:00
42 lines
1.1 KiB
Perl
42 lines
1.1 KiB
Perl
use strict;
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use warnings;
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use PostgresNode;
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use TestLib;
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use Test::More tests => 1;
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my $dim = 3;
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my @r = ();
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for (1 .. $dim) {
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my $v = int(rand(1000)) + 1;
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push(@r, "i % $v");
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}
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my $array_sql = join(", ", @r);
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# Initialize node
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my $node = get_new_node('node');
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$node->init;
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$node->start;
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# Create table and index
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$node->safe_psql("postgres", "CREATE EXTENSION vector;");
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$node->safe_psql("postgres", "CREATE TABLE tst (i int4, v vector($dim));");
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$node->safe_psql("postgres",
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"INSERT INTO tst SELECT i % 10, ARRAY[$array_sql] FROM generate_series(1, 100000) i;"
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);
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$node->safe_psql("postgres", "CREATE INDEX ON tst USING ivfflat (v);");
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# Get size
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my $size = $node->safe_psql("postgres", "SELECT pg_total_relation_size('tst_v_idx');");
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# Delete all, vacuum, and insert same data
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$node->safe_psql("postgres", "DELETE FROM tst;");
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$node->safe_psql("postgres", "VACUUM tst;");
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$node->safe_psql("postgres",
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"INSERT INTO tst SELECT i % 10, ARRAY[$array_sql] FROM generate_series(1, 100000) i;"
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);
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# Check size
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my $new_size = $node->safe_psql("postgres", "SELECT pg_total_relation_size('tst_v_idx');");
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is($size, $new_size, "size does not change");
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