mirror of
https://github.com/pgvector/pgvector.git
synced 2026-07-01 10:11:20 +08:00
33 lines
1.0 KiB
Perl
33 lines
1.0 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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# 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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$node->safe_psql("postgres", "CREATE TABLE tst (i int4, v vector(3));");
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$node->safe_psql("postgres",
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"INSERT INTO tst SELECT i % 10, ARRAY[i % 1000, i % 333, i % 55] 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[i % 1000, i % 333, i % 55] 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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