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Organize and deduplicate statistics import tests.
Author: Corey Huinker <corey.huinker@gmail.com> Reported-by: Melanie Plageman <melanieplageman@gmail.com> Discussion: https://postgr.es/m/CAAKRu_bWEqUfxhODfJ-XbZC75vq=P6DYOKK6biyey=yM1Ah3Hg@mail.gmail.com Discussion: https://postgr.es/m/CADkLM=f1n2_Vomq0gKab7xdxDHmJGgn=DE48P8fzQOp3Mrs1Qg@mail.gmail.com
This commit is contained in:
Jeff Davis
parent
f9f4b43b8d
commit
1d33de9d68
File diff suppressed because it is too large
Load Diff
@ -17,15 +17,43 @@ CREATE TABLE stats_import.test(
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CREATE INDEX test_i ON stats_import.test(id);
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--
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-- relstats tests
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--
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--- error: relation is wrong type
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 0::oid,
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'relpages', 17::integer);
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-- error: relation not found
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 0::oid::regclass,
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'relpages', 17::integer);
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-- error: odd number of variadic arguments cannot be pairs
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'relallvisible');
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-- error: argument name is NULL
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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NULL, '17'::integer);
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-- error: argument name is not a text type
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SELECT pg_restore_relation_stats(
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'relation', '0'::oid::regclass,
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17, '17'::integer);
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-- starting stats
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SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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WHERE oid = 'stats_import.test_i'::regclass;
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BEGIN;
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-- regular indexes have special case locking rules
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SELECT
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pg_catalog.pg_restore_relation_stats(
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BEGIN;
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.test_i'::regclass,
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'relpages', 18::integer);
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@ -39,20 +67,6 @@ WHERE relation = 'stats_import.test_i'::regclass AND
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COMMIT;
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SELECT
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pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.test_i'::regclass,
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'relpages', 19::integer );
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-- clear
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SELECT
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pg_catalog.pg_clear_relation_stats(
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'stats_import.test'::regclass);
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SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- relpages may be -1 for partitioned tables
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CREATE TABLE stats_import.part_parent ( i integer ) PARTITION BY RANGE(i);
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CREATE TABLE stats_import.part_child_1
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@ -68,18 +82,6 @@ SELECT relpages
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FROM pg_class
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WHERE oid = 'stats_import.part_parent'::regclass;
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-- although partitioned tables have no storage, setting relpages to a
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-- positive value is still allowed
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SELECT
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pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.part_parent_i'::regclass,
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'relpages', 2::integer);
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SELECT
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pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.part_parent'::regclass,
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'relpages', 2::integer);
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--
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-- Partitioned indexes aren't analyzed but it is possible to set
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-- stats. The locking rules are different from normal indexes due to
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@ -88,8 +90,7 @@ SELECT
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--
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BEGIN;
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SELECT
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pg_catalog.pg_restore_relation_stats(
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.part_parent_i'::regclass,
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'relpages', 2::integer);
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@ -103,22 +104,15 @@ WHERE relation = 'stats_import.part_parent_i'::regclass AND
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COMMIT;
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SELECT
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pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.part_parent_i'::regclass,
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'relpages', 2::integer);
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SELECT relpages
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FROM pg_class
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WHERE oid = 'stats_import.part_parent_i'::regclass;
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-- nothing stops us from setting it to -1
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SELECT
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pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.part_parent'::regclass,
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'relpages', -1::integer);
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-- ok: set all stats
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-- ok: set all relstats, with version, no bounds checking
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'version', 150000::integer,
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'relpages', '17'::integer,
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'relpages', '-17'::integer,
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'reltuples', 400::real,
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'relallvisible', 4::integer,
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'relallfrozen', 2::integer);
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@ -127,30 +121,27 @@ SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- ok: just relpages
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-- ok: set just relpages, rest stay same
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'version', 150000::integer,
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'relpages', '16'::integer);
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SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- ok: just reltuples
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-- ok: set just reltuples, rest stay same
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'version', 150000::integer,
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'reltuples', '500'::real);
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SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- ok: just relallvisible
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-- ok: set just relallvisible, rest stay same
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'version', 150000::integer,
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'relallvisible', 5::integer);
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SELECT relpages, reltuples, relallvisible, relallfrozen
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@ -167,10 +158,9 @@ SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- warn: bad relpages type
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-- warn: bad relpages type, rest updated
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'version', 150000::integer,
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'relpages', 'nope'::text,
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'reltuples', 400.0::real,
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'relallvisible', 4::integer,
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@ -180,17 +170,104 @@ SELECT relpages, reltuples, relallvisible, relallfrozen
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- unrecognized argument name, rest ok
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SELECT pg_restore_relation_stats(
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'relation', 'stats_import.test'::regclass,
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'relpages', '171'::integer,
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'nope', 10::integer);
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SELECT relpages, reltuples, relallvisible
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- ok: clear stats
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SELECT pg_catalog.pg_clear_relation_stats(
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relation => 'stats_import.test'::regclass);
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SELECT relpages, reltuples, relallvisible
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FROM pg_class
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WHERE oid = 'stats_import.test'::regclass;
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-- invalid relkinds for statistics
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CREATE SEQUENCE stats_import.testseq;
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CREATE VIEW stats_import.testview AS SELECT * FROM stats_import.test;
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SELECT
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pg_catalog.pg_clear_relation_stats(
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.testseq'::regclass);
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SELECT pg_catalog.pg_clear_relation_stats(
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'stats_import.testseq'::regclass);
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SELECT
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pg_catalog.pg_clear_relation_stats(
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CREATE VIEW stats_import.testview AS SELECT * FROM stats_import.test;
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SELECT pg_catalog.pg_restore_relation_stats(
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'relation', 'stats_import.testview'::regclass);
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SELECT pg_catalog.pg_clear_relation_stats(
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'stats_import.testview'::regclass);
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-- ok: no stakinds
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--
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-- attribute stats
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--
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-- error: object does not exist
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', '0'::oid::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: relation null
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', NULL::oid::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: NULL attname
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', NULL::name,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: attname doesn't exist
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'nope'::name,
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'inherited', false::boolean,
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'null_frac', 0.1::real,
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'avg_width', 2::integer,
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'n_distinct', 0.3::real);
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-- error: both attname and attnum
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'attnum', 1::smallint,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: neither attname nor attnum
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: attribute is system column
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'xmin'::name,
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'inherited', false::boolean,
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'null_frac', 0.1::real);
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-- error: inherited null
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', NULL::boolean,
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'null_frac', 0.1::real);
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-- ok: just the fixed values, with version, no stakinds
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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@ -207,15 +284,16 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- ok: restore by attnum
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--
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-- ok: restore by attnum, we normally reserve this for
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-- indexes, but there is no reason it shouldn't work
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-- for any stat-having relation.
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--
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attnum', 1::smallint,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.4::real,
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'avg_width', 5::integer,
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'n_distinct', 0.6::real);
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'null_frac', 0.4::real);
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SELECT *
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FROM pg_stats
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@ -224,14 +302,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: unrecognized argument name
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-- warn: unrecognized argument name, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.2::real,
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'avg_width', NULL::integer,
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'nope', 0.5::real);
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SELECT *
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@ -241,15 +317,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: mcv / mcf null mismatch part 1
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-- warn: mcv / mcf null mismatch part 1, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.6::real,
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'avg_width', 7::integer,
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'n_distinct', -0.7::real,
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'null_frac', 0.21::real,
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'most_common_freqs', '{0.1,0.2,0.3}'::real[]
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);
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@ -260,15 +333,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: mcv / mcf null mismatch part 2
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-- warn: mcv / mcf null mismatch part 2, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.7::real,
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'avg_width', 8::integer,
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'n_distinct', -0.8::real,
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'null_frac', 0.21::real,
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'most_common_vals', '{1,2,3}'::text
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);
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@ -279,15 +349,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: mcv / mcf type mismatch
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-- warn: mcf type mismatch, mcv-pair fails, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.8::real,
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'avg_width', 9::integer,
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'n_distinct', -0.9::real,
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'null_frac', 0.22::real,
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'most_common_vals', '{2,1,3}'::text,
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'most_common_freqs', '{0.2,0.1}'::double precision[]
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);
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@ -299,15 +366,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: mcv cast failure
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-- warn: mcv cast failure, mcv-pair fails, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.9::real,
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'avg_width', 10::integer,
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'n_distinct', -0.4::real,
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'null_frac', 0.23::real,
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'most_common_vals', '{2,four,3}'::text,
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'most_common_freqs', '{0.3,0.25,0.05}'::real[]
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);
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@ -324,10 +388,6 @@ SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.1::real,
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'avg_width', 1::integer,
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'n_distinct', -0.1::real,
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'most_common_vals', '{2,1,3}'::text,
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'most_common_freqs', '{0.3,0.25,0.05}'::real[]
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);
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@ -339,15 +399,12 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: NULL in histogram array
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-- warn: NULL in histogram array, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.2::real,
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'avg_width', 2::integer,
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'n_distinct', -0.2::real,
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'null_frac', 0.24::real,
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'histogram_bounds', '{1,NULL,3,4}'::text
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);
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@ -363,11 +420,8 @@ SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'id'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.3::real,
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'avg_width', 3::integer,
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'n_distinct', -0.3::real,
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'histogram_bounds', '{1,2,3,4}'::text );
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'histogram_bounds', '{1,2,3,4}'::text
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);
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SELECT *
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FROM pg_stats
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@ -376,16 +430,13 @@ AND tablename = 'test'
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AND inherited = false
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AND attname = 'id';
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-- warn: elem_count_histogram null element
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-- warn: elem_count_histogram null element, rest get set
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SELECT pg_catalog.pg_restore_attribute_stats(
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'relation', 'stats_import.test'::regclass,
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'attname', 'tags'::name,
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'inherited', false::boolean,
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'version', 150000::integer,
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'null_frac', 0.4::real,
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'avg_width', 5::integer,
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'n_distinct', -0.4::real,
|
||||
'elem_count_histogram', '{1,1,NULL,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}'::real[]
|
||||
'null_frac', 0.25::real,
|
||||
'elem_count_histogram', '{1,1,NULL,1,1,1,1,1}'::real[]
|
||||
);
|
||||
|
||||
SELECT *
|
||||
@ -400,10 +451,7 @@ SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'tags'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 6::integer,
|
||||
'n_distinct', -0.55::real,
|
||||
'null_frac', 0.26::real,
|
||||
'elem_count_histogram', '{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}'::real[]
|
||||
);
|
||||
|
||||
@ -414,15 +462,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'tags';
|
||||
|
||||
-- range stats on a scalar type
|
||||
-- warn: range stats on a scalar type, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.6::real,
|
||||
'avg_width', 7::integer,
|
||||
'n_distinct', -0.15::real,
|
||||
'null_frac', 0.27::real,
|
||||
'range_empty_frac', 0.5::real,
|
||||
'range_length_histogram', '{399,499,Infinity}'::text
|
||||
);
|
||||
@ -434,15 +479,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'id';
|
||||
|
||||
-- warn: range_empty_frac range_length_hist null mismatch
|
||||
-- warn: range_empty_frac range_length_hist null mismatch, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.7::real,
|
||||
'avg_width', 8::integer,
|
||||
'n_distinct', -0.25::real,
|
||||
'null_frac', 0.28::real,
|
||||
'range_length_histogram', '{399,499,Infinity}'::text
|
||||
);
|
||||
|
||||
@ -453,15 +495,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
-- warn: range_empty_frac range_length_hist null mismatch part 2
|
||||
-- warn: range_empty_frac range_length_hist null mismatch part 2, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.8::real,
|
||||
'avg_width', 9::integer,
|
||||
'n_distinct', -0.35::real,
|
||||
'null_frac', 0.29::real,
|
||||
'range_empty_frac', 0.5::real
|
||||
);
|
||||
|
||||
@ -477,10 +516,6 @@ SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.9::real,
|
||||
'avg_width', 1::integer,
|
||||
'n_distinct', -0.19::real,
|
||||
'range_empty_frac', 0.5::real,
|
||||
'range_length_histogram', '{399,499,Infinity}'::text
|
||||
);
|
||||
@ -492,15 +527,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
-- warn: range bounds histogram on scalar
|
||||
-- warn: range bounds histogram on scalar, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.29::real,
|
||||
'null_frac', 0.31::real,
|
||||
'range_bounds_histogram', '{"[-1,1)","[0,4)","[1,4)","[1,100)"}'::text
|
||||
);
|
||||
|
||||
@ -516,10 +548,6 @@ SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.2::real,
|
||||
'avg_width', 3::integer,
|
||||
'n_distinct', -0.39::real,
|
||||
'range_bounds_histogram', '{"[-1,1)","[0,4)","[1,4)","[1,100)"}'::text
|
||||
);
|
||||
|
||||
@ -530,23 +558,14 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
-- warn: cannot set most_common_elems for range type
|
||||
-- warn: cannot set most_common_elems for range type, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'most_common_vals', '{"[2,3)","[1,2)","[3,4)"}'::text,
|
||||
'most_common_freqs', '{0.3,0.25,0.05}'::real[],
|
||||
'histogram_bounds', '{"[1,2)","[2,3)","[3,4)","[4,5)"}'::text,
|
||||
'correlation', 1.1::real,
|
||||
'null_frac', 0.32::real,
|
||||
'most_common_elems', '{3,1}'::text,
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3,0.0}'::real[],
|
||||
'range_empty_frac', -0.5::real,
|
||||
'range_length_histogram', '{399,499,Infinity}'::text,
|
||||
'range_bounds_histogram', '{"[-1,1)","[0,4)","[1,4)","[1,100)"}'::text
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3,0.0}'::real[]
|
||||
);
|
||||
|
||||
SELECT *
|
||||
@ -556,14 +575,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
-- warn: scalars can't have mcelem
|
||||
-- warn: scalars can't have mcelem, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'null_frac', 0.33::real,
|
||||
'most_common_elems', '{1,3}'::text,
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3,0.0}'::real[]
|
||||
);
|
||||
@ -575,14 +592,12 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'id';
|
||||
|
||||
-- warn: mcelem / mcelem mismatch
|
||||
-- warn: mcelem / mcelem mismatch, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'tags'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'null_frac', 0.34::real,
|
||||
'most_common_elems', '{one,two}'::text
|
||||
);
|
||||
|
||||
@ -593,25 +608,27 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'tags';
|
||||
|
||||
-- warn: mcelem / mcelem null mismatch part 2
|
||||
-- warn: mcelem / mcelem null mismatch part 2, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'tags'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'null_frac', 0.35::real,
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3}'::real[]
|
||||
);
|
||||
|
||||
SELECT *
|
||||
FROM pg_stats
|
||||
WHERE schemaname = 'stats_import'
|
||||
AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'tags';
|
||||
|
||||
-- ok: mcelem
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'tags'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'most_common_elems', '{one,three}'::text,
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3,0.0}'::real[]
|
||||
);
|
||||
@ -623,15 +640,13 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'tags';
|
||||
|
||||
-- warn: scalars can't have elem_count_histogram
|
||||
-- warn: scalars can't have elem_count_histogram, rest ok
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'elem_count_histogram', '{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}'::real[]
|
||||
'null_frac', 0.36::real,
|
||||
'elem_count_histogram', '{1,1,1,1,1,1,1,1,1,1}'::real[]
|
||||
);
|
||||
|
||||
SELECT *
|
||||
@ -641,32 +656,6 @@ AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'id';
|
||||
|
||||
-- warn: too many stat kinds
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'arange'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.5::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', -0.1::real,
|
||||
'most_common_vals', '{"[2,3)","[1,3)","[3,9)"}'::text,
|
||||
'most_common_freqs', '{0.3,0.25,0.05}'::real[],
|
||||
'histogram_bounds', '{"[1,2)","[2,3)","[3,4)","[4,)"}'::text,
|
||||
'correlation', 1.1::real,
|
||||
'most_common_elems', '{3,1}'::text,
|
||||
'most_common_elem_freqs', '{0.3,0.2,0.2,0.3,0.0}'::real[],
|
||||
'range_empty_frac', -0.5::real,
|
||||
'range_length_histogram', '{399,499,Infinity}'::text,
|
||||
'range_bounds_histogram', '{"[-1,1)","[0,4)","[1,4)","[1,100)"}'::text);
|
||||
|
||||
SELECT *
|
||||
FROM pg_stats
|
||||
WHERE schemaname = 'stats_import'
|
||||
AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
--
|
||||
-- Test the ability to exactly copy data from one table to an identical table,
|
||||
-- correctly reconstructing the stakind order as well as the staopN and
|
||||
@ -686,16 +675,6 @@ SELECT 4, 'four', NULL, int4range(0,100), NULL;
|
||||
|
||||
CREATE INDEX is_odd ON stats_import.test(((comp).a % 2 = 1));
|
||||
|
||||
-- restoring stats on index
|
||||
SELECT * FROM pg_catalog.pg_restore_relation_stats(
|
||||
'relation', 'stats_import.is_odd'::regclass,
|
||||
'version', '180000'::integer,
|
||||
'relpages', '11'::integer,
|
||||
'reltuples', '10000'::real,
|
||||
'relallvisible', '0'::integer,
|
||||
'relallfrozen', '0'::integer
|
||||
);
|
||||
|
||||
-- Generate statistics on table with data
|
||||
ANALYZE stats_import.test;
|
||||
|
||||
@ -848,160 +827,24 @@ FROM pg_statistic s
|
||||
JOIN pg_attribute a ON a.attrelid = s.starelid AND a.attnum = s.staattnum
|
||||
WHERE s.starelid = 'stats_import.is_odd'::regclass;
|
||||
|
||||
-- ok
|
||||
-- attribute stats exist before a clear, but not after
|
||||
SELECT COUNT(*)
|
||||
FROM pg_stats
|
||||
WHERE schemaname = 'stats_import'
|
||||
AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
SELECT pg_catalog.pg_clear_attribute_stats(
|
||||
relation => 'stats_import.test'::regclass,
|
||||
attname => 'arange'::name,
|
||||
inherited => false::boolean);
|
||||
|
||||
--
|
||||
-- Negative tests
|
||||
--
|
||||
|
||||
--- error: relation is wrong type
|
||||
SELECT pg_catalog.pg_restore_relation_stats(
|
||||
'relation', 0::oid,
|
||||
'relpages', 17::integer,
|
||||
'reltuples', 400.0::real,
|
||||
'relallvisible', 4::integer,
|
||||
'relallfrozen', 3::integer);
|
||||
|
||||
--- error: relation not found
|
||||
SELECT pg_catalog.pg_restore_relation_stats(
|
||||
'relation', 0::regclass,
|
||||
'relpages', 17::integer,
|
||||
'reltuples', 400.0::real,
|
||||
'relallvisible', 4::integer,
|
||||
'relallfrozen', 3::integer);
|
||||
|
||||
-- warn and error: unrecognized argument name
|
||||
SELECT pg_restore_relation_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'version', 150000::integer,
|
||||
'relpages', '17'::integer,
|
||||
'reltuples', 400::real,
|
||||
'nope', 4::integer);
|
||||
|
||||
-- error: argument name is NULL
|
||||
SELECT pg_restore_relation_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'version', 150000::integer,
|
||||
NULL, '17'::integer,
|
||||
'reltuples', 400::real,
|
||||
'relallvisible', 4::integer,
|
||||
'relallfrozen', 3::integer);
|
||||
|
||||
-- error: argument name is an integer
|
||||
SELECT pg_restore_relation_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'version', 150000::integer,
|
||||
17, '17'::integer,
|
||||
'reltuples', 400::real,
|
||||
'relallvisible', 4::integer,
|
||||
'relallfrozen', 3::integer);
|
||||
|
||||
-- error: odd number of variadic arguments cannot be pairs
|
||||
SELECT pg_restore_relation_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'version', 150000::integer,
|
||||
'relpages', '17'::integer,
|
||||
'reltuples', 400::real,
|
||||
'relallfrozen', 3::integer,
|
||||
'relallvisible');
|
||||
|
||||
-- error: object doesn't exist
|
||||
SELECT pg_restore_relation_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'version', 150000::integer,
|
||||
'relpages', '17'::integer,
|
||||
'reltuples', 400::real,
|
||||
'relallvisible', 4::integer,
|
||||
'relallfrozen', 3::integer);
|
||||
|
||||
-- error: object does not exist
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', '0'::oid::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: relation null
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', NULL::oid,
|
||||
'attname', 'id'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: missing attname
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', NULL::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: both attname and attnum
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'attnum', 1::smallint,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: attname doesn't exist
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'nope'::name,
|
||||
'inherited', false::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: attribute is system column
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'xmin'::name,
|
||||
'inherited', false::boolean,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: inherited null
|
||||
SELECT pg_catalog.pg_restore_attribute_stats(
|
||||
'relation', 'stats_import.test'::regclass,
|
||||
'attname', 'id'::name,
|
||||
'inherited', NULL::boolean,
|
||||
'version', 150000::integer,
|
||||
'null_frac', 0.1::real,
|
||||
'avg_width', 2::integer,
|
||||
'n_distinct', 0.3::real);
|
||||
|
||||
-- error: relation not found
|
||||
SELECT pg_catalog.pg_clear_relation_stats(
|
||||
relation => 'stats_import.nope'::regclass);
|
||||
|
||||
-- error: attribute is system column
|
||||
SELECT pg_catalog.pg_clear_attribute_stats(
|
||||
relation => 'stats_import.test'::regclass,
|
||||
attname => 'ctid'::name,
|
||||
inherited => false::boolean);
|
||||
|
||||
-- error: attname doesn't exist
|
||||
SELECT pg_catalog.pg_clear_attribute_stats(
|
||||
relation => 'stats_import.test'::regclass,
|
||||
attname => 'nope'::name,
|
||||
inherited => false::boolean);
|
||||
SELECT COUNT(*)
|
||||
FROM pg_stats
|
||||
WHERE schemaname = 'stats_import'
|
||||
AND tablename = 'test'
|
||||
AND inherited = false
|
||||
AND attname = 'arange';
|
||||
|
||||
DROP SCHEMA stats_import CASCADE;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user