diff options
Diffstat (limited to 'src/test/regress/expected/compression.out')
| -rw-r--r-- | src/test/regress/expected/compression.out | 235 |
1 files changed, 19 insertions, 216 deletions
diff --git a/src/test/regress/expected/compression.out b/src/test/regress/expected/compression.out index 4dd9ee7200d..09f198149aa 100644 --- a/src/test/regress/expected/compression.out +++ b/src/test/regress/expected/compression.out @@ -1,3 +1,7 @@ +-- Default set of tests for TOAST compression, independent on compression +-- methods supported by the build. +CREATE SCHEMA pglz; +SET search_path TO pglz, public; \set HIDE_TOAST_COMPRESSION false -- ensure we get stable results regardless of installation's default SET default_toast_compression = 'pglz'; @@ -6,21 +10,13 @@ CREATE TABLE cmdata(f1 text COMPRESSION pglz); CREATE INDEX idx ON cmdata(f1); INSERT INTO cmdata VALUES(repeat('1234567890', 1000)); \d+ cmdata - Table "public.cmdata" + Table "pglz.cmdata" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+------+-----------+----------+---------+----------+-------------+--------------+------------- f1 | text | | | | extended | pglz | | Indexes: "idx" btree (f1) -CREATE TABLE cmdata1(f1 TEXT COMPRESSION lz4); -INSERT INTO cmdata1 VALUES(repeat('1234567890', 1004)); -\d+ cmdata1 - Table "public.cmdata1" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | lz4 | | - -- verify stored compression method in the data SELECT pg_column_compression(f1) FROM cmdata; pg_column_compression @@ -28,12 +24,6 @@ SELECT pg_column_compression(f1) FROM cmdata; pglz (1 row) -SELECT pg_column_compression(f1) FROM cmdata1; - pg_column_compression ------------------------ - lz4 -(1 row) - -- decompress data slice SELECT SUBSTR(f1, 200, 5) FROM cmdata; substr @@ -41,16 +31,10 @@ SELECT SUBSTR(f1, 200, 5) FROM cmdata; 01234 (1 row) -SELECT SUBSTR(f1, 2000, 50) FROM cmdata1; - substr ----------------------------------------------------- - 01234567890123456789012345678901234567890123456789 -(1 row) - -- copy with table creation SELECT * INTO cmmove1 FROM cmdata; \d+ cmmove1 - Table "public.cmmove1" + Table "pglz.cmmove1" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+------+-----------+----------+---------+----------+-------------+--------------+------------- f1 | text | | | | extended | | | @@ -61,45 +45,9 @@ SELECT pg_column_compression(f1) FROM cmmove1; pglz (1 row) --- copy to existing table -CREATE TABLE cmmove3(f1 text COMPRESSION pglz); -INSERT INTO cmmove3 SELECT * FROM cmdata; -INSERT INTO cmmove3 SELECT * FROM cmdata1; -SELECT pg_column_compression(f1) FROM cmmove3; - pg_column_compression ------------------------ - pglz - lz4 -(2 rows) - --- test LIKE INCLUDING COMPRESSION -CREATE TABLE cmdata2 (LIKE cmdata1 INCLUDING COMPRESSION); -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | lz4 | | - -DROP TABLE cmdata2; -- try setting compression for incompressible data type CREATE TABLE cmdata2 (f1 int COMPRESSION pglz); ERROR: column data type integer does not support compression --- update using datum from different table -CREATE TABLE cmmove2(f1 text COMPRESSION pglz); -INSERT INTO cmmove2 VALUES (repeat('1234567890', 1004)); -SELECT pg_column_compression(f1) FROM cmmove2; - pg_column_compression ------------------------ - pglz -(1 row) - -UPDATE cmmove2 SET f1 = cmdata1.f1 FROM cmdata1; -SELECT pg_column_compression(f1) FROM cmmove2; - pg_column_compression ------------------------ - lz4 -(1 row) - -- test externally stored compressed data CREATE OR REPLACE FUNCTION large_val() RETURNS TEXT LANGUAGE SQL AS 'select array_agg(fipshash(g::text))::text from generate_series(1, 256) g'; @@ -111,21 +59,6 @@ SELECT pg_column_compression(f1) FROM cmdata2; pglz (1 row) -INSERT INTO cmdata1 SELECT large_val() || repeat('a', 4000); -SELECT pg_column_compression(f1) FROM cmdata1; - pg_column_compression ------------------------ - lz4 - lz4 -(2 rows) - -SELECT SUBSTR(f1, 200, 5) FROM cmdata1; - substr --------- - 01234 - 79026 -(2 rows) - SELECT SUBSTR(f1, 200, 5) FROM cmdata2; substr -------- @@ -136,21 +69,21 @@ DROP TABLE cmdata2; --test column type update varlena/non-varlena CREATE TABLE cmdata2 (f1 int); \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+---------+-----------+----------+---------+---------+-------------+--------------+------------- f1 | integer | | | | plain | | | ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE varchar; \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+-------------------+-----------+----------+---------+----------+-------------+--------------+------------- f1 | character varying | | | | extended | | | ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE int USING f1::integer; \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+---------+-----------+----------+---------+---------+-------------+--------------+------------- f1 | integer | | | | plain | | | @@ -160,14 +93,14 @@ ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE int USING f1::integer; ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE varchar; ALTER TABLE cmdata2 ALTER COLUMN f1 SET COMPRESSION pglz; \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+-------------------+-----------+----------+---------+----------+-------------+--------------+------------- f1 | character varying | | | | extended | pglz | | ALTER TABLE cmdata2 ALTER COLUMN f1 SET STORAGE plain; \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+-------------------+-----------+----------+---------+---------+-------------+--------------+------------- f1 | character varying | | | | plain | pglz | | @@ -179,164 +112,47 @@ SELECT pg_column_compression(f1) FROM cmdata2; (1 row) --- test compression with materialized view -CREATE MATERIALIZED VIEW compressmv(x) AS SELECT * FROM cmdata1; -\d+ compressmv - Materialized view "public.compressmv" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - x | text | | | | extended | | | -View definition: - SELECT f1 AS x - FROM cmdata1; - -SELECT pg_column_compression(f1) FROM cmdata1; - pg_column_compression ------------------------ - lz4 - lz4 -(2 rows) - -SELECT pg_column_compression(x) FROM compressmv; - pg_column_compression ------------------------ - lz4 - lz4 -(2 rows) - --- test compression with partition -CREATE TABLE cmpart(f1 text COMPRESSION lz4) PARTITION BY HASH(f1); -CREATE TABLE cmpart1 PARTITION OF cmpart FOR VALUES WITH (MODULUS 2, REMAINDER 0); -CREATE TABLE cmpart2(f1 text COMPRESSION pglz); -ALTER TABLE cmpart ATTACH PARTITION cmpart2 FOR VALUES WITH (MODULUS 2, REMAINDER 1); -INSERT INTO cmpart VALUES (repeat('123456789', 1004)); -INSERT INTO cmpart VALUES (repeat('123456789', 4004)); -SELECT pg_column_compression(f1) FROM cmpart1; - pg_column_compression ------------------------ - lz4 -(1 row) - -SELECT pg_column_compression(f1) FROM cmpart2; - pg_column_compression ------------------------ - pglz -(1 row) - -- test compression with inheritance -CREATE TABLE cminh() INHERITS(cmdata, cmdata1); -- error -NOTICE: merging multiple inherited definitions of column "f1" -ERROR: column "f1" has a compression method conflict -DETAIL: pglz versus lz4 -CREATE TABLE cminh(f1 TEXT COMPRESSION lz4) INHERITS(cmdata); -- error -NOTICE: merging column "f1" with inherited definition -ERROR: column "f1" has a compression method conflict -DETAIL: pglz versus lz4 CREATE TABLE cmdata3(f1 text); CREATE TABLE cminh() INHERITS (cmdata, cmdata3); NOTICE: merging multiple inherited definitions of column "f1" -- test default_toast_compression GUC +-- suppress machine-dependent details +\set VERBOSITY terse SET default_toast_compression = ''; ERROR: invalid value for parameter "default_toast_compression": "" -HINT: Available values: pglz, lz4. SET default_toast_compression = 'I do not exist compression'; ERROR: invalid value for parameter "default_toast_compression": "I do not exist compression" -HINT: Available values: pglz, lz4. -SET default_toast_compression = 'lz4'; SET default_toast_compression = 'pglz'; --- test alter compression method -ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4; -INSERT INTO cmdata VALUES (repeat('123456789', 4004)); -\d+ cmdata - Table "public.cmdata" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | lz4 | | -Indexes: - "idx" btree (f1) -Child tables: cminh - -SELECT pg_column_compression(f1) FROM cmdata; - pg_column_compression ------------------------ - pglz - lz4 -(2 rows) - +\set VERBOSITY default ALTER TABLE cmdata2 ALTER COLUMN f1 SET COMPRESSION default; \d+ cmdata2 - Table "public.cmdata2" + Table "pglz.cmdata2" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description --------+-------------------+-----------+----------+---------+---------+-------------+--------------+------------- f1 | character varying | | | | plain | | | --- test alter compression method for materialized views -ALTER MATERIALIZED VIEW compressmv ALTER COLUMN x SET COMPRESSION lz4; -\d+ compressmv - Materialized view "public.compressmv" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - x | text | | | | extended | lz4 | | -View definition: - SELECT f1 AS x - FROM cmdata1; - --- test alter compression method for partitioned tables -ALTER TABLE cmpart1 ALTER COLUMN f1 SET COMPRESSION pglz; -ALTER TABLE cmpart2 ALTER COLUMN f1 SET COMPRESSION lz4; --- new data should be compressed with the current compression method -INSERT INTO cmpart VALUES (repeat('123456789', 1004)); -INSERT INTO cmpart VALUES (repeat('123456789', 4004)); -SELECT pg_column_compression(f1) FROM cmpart1; - pg_column_compression ------------------------ - lz4 - pglz -(2 rows) - -SELECT pg_column_compression(f1) FROM cmpart2; - pg_column_compression ------------------------ - pglz - lz4 -(2 rows) - +DROP TABLE cmdata2; -- VACUUM FULL does not recompress SELECT pg_column_compression(f1) FROM cmdata; pg_column_compression ----------------------- pglz - lz4 -(2 rows) +(1 row) VACUUM FULL cmdata; SELECT pg_column_compression(f1) FROM cmdata; pg_column_compression ----------------------- pglz - lz4 -(2 rows) +(1 row) --- test expression index -DROP TABLE cmdata2; -CREATE TABLE cmdata2 (f1 TEXT COMPRESSION pglz, f2 TEXT COMPRESSION lz4); -CREATE UNIQUE INDEX idx1 ON cmdata2 ((f1 || f2)); -INSERT INTO cmdata2 VALUES((SELECT array_agg(fipshash(g::TEXT))::TEXT FROM -generate_series(1, 50) g), VERSION()); -- check data is ok SELECT length(f1) FROM cmdata; length -------- 10000 - 36036 -(2 rows) - -SELECT length(f1) FROM cmdata1; - length --------- - 10040 - 12449 -(2 rows) +(1 row) SELECT length(f1) FROM cmmove1; length @@ -344,19 +160,6 @@ SELECT length(f1) FROM cmmove1; 10000 (1 row) -SELECT length(f1) FROM cmmove2; - length --------- - 10040 -(1 row) - -SELECT length(f1) FROM cmmove3; - length --------- - 10000 - 10040 -(2 rows) - CREATE TABLE badcompresstbl (a text COMPRESSION I_Do_Not_Exist_Compression); -- fails ERROR: invalid compression method "i_do_not_exist_compression" CREATE TABLE badcompresstbl (a text); |