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77 lines
2.5 KiB
Nix
77 lines
2.5 KiB
Nix
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# mostly copied from ./timescaledb.nix which was copied from ./postgresql.nix
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# as it seemed unapproriate to test additional extensions for postgresql there.
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{ system ? builtins.currentSystem
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, config ? { }
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, pkgs ? import ../.. { inherit system config; }
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}:
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with import ../lib/testing-python.nix { inherit system pkgs; };
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with pkgs.lib;
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let
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postgresql-versions = import ../../pkgs/servers/sql/postgresql pkgs;
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# Test cases from https://docs.pgvecto.rs/use-cases/hybrid-search.html
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test-sql = pkgs.writeText "postgresql-test" ''
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CREATE EXTENSION vectors;
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CREATE TABLE items (
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id bigserial PRIMARY KEY,
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content text NOT NULL,
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embedding vectors.vector(3) NOT NULL -- 3 dimensions
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);
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INSERT INTO items (content, embedding) VALUES
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('a fat cat sat on a mat and ate a fat rat', '[1, 2, 3]'),
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('a fat dog sat on a mat and ate a fat rat', '[4, 5, 6]'),
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('a thin cat sat on a mat and ate a thin rat', '[7, 8, 9]'),
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('a thin dog sat on a mat and ate a thin rat', '[10, 11, 12]');
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'';
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make-postgresql-test = postgresql-name: postgresql-package: makeTest {
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name = postgresql-name;
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meta = with pkgs.lib.maintainers; {
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maintainers = [ diogotcorreia ];
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};
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nodes.machine = { ... }:
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{
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services.postgresql = {
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enable = true;
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package = postgresql-package;
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extraPlugins = ps: with ps; [
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pgvecto-rs
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];
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settings.shared_preload_libraries = "vectors";
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};
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};
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testScript = ''
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def check_count(statement, lines):
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return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
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statement, lines
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)
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machine.start()
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machine.wait_for_unit("postgresql")
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with subtest("Postgresql with extension vectors is available just after unit start"):
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machine.succeed(check_count("SELECT * FROM pg_available_extensions WHERE name = 'vectors' AND default_version = '${postgresql-package.pkgs.pgvecto-rs.version}';", 1))
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machine.succeed("sudo -u postgres psql -f ${test-sql}")
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machine.succeed(check_count("SELECT content, embedding FROM items WHERE to_tsvector('english', content) @@ 'cat & rat'::tsquery;", 2))
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machine.shutdown()
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'';
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};
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applicablePostgresqlVersions = filterAttrs (_: value: versionAtLeast value.version "12") postgresql-versions;
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in
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mapAttrs'
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(name: package: {
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inherit name;
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value = make-postgresql-test name package;
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})
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applicablePostgresqlVersions
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