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