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Make compression.sql regression test independent of default.

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This test will fail in "make installcheck" if the installation's
default_toast_compression setting is not 'pglz'.  Make it robust
against that situation.

Dilip Kumar

Discussion: https://postgr.es/m/CAFiTN-t0w+Rc2U3S+y=7KWcLuOYNB5MfWeGdNa7+pg0UovVdcQ@mail.gmail.com
This commit is contained in:
Tom Lane 2021-03-21 16:26:44 -04:00
parent ef82387384
commit fd1ac9a548
3 changed files with 10 additions and 0 deletions
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3
src/test/regress/expected/compression.out
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@ -1,4 +1,6 @@
\set HIDE_TOAST_COMPRESSION false \set HIDE_TOAST_COMPRESSION false
-- ensure we get stable results regardless of installation's default
SET default_toast_compression = 'pglz';
-- test creating table with compression method -- test creating table with compression method
CREATE TABLE cmdata(f1 text COMPRESSION pglz); CREATE TABLE cmdata(f1 text COMPRESSION pglz);
CREATE INDEX idx ON cmdata(f1); CREATE INDEX idx ON cmdata(f1);
@ -245,6 +247,7 @@ CREATE TABLE cmdata2 (f1 text);
--------+------+-----------+----------+---------+----------+-------------+--------------+------------- --------+------+-----------+----------+---------+----------+-------------+--------------+-------------
f1 | text | | | | extended | lz4 | | f1 | text | | | | extended | lz4 | |
SET default_toast_compression = 'pglz';
-- test alter compression method -- test alter compression method
ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4; ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4;
INSERT INTO cmdata VALUES (repeat('123456789', 4004)); INSERT INTO cmdata VALUES (repeat('123456789', 4004));

3
src/test/regress/expected/compression_1.out
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@ -1,4 +1,6 @@
\set HIDE_TOAST_COMPRESSION false \set HIDE_TOAST_COMPRESSION false
-- ensure we get stable results regardless of installation's default
SET default_toast_compression = 'pglz';
-- test creating table with compression method -- test creating table with compression method
CREATE TABLE cmdata(f1 text COMPRESSION pglz); CREATE TABLE cmdata(f1 text COMPRESSION pglz);
CREATE INDEX idx ON cmdata(f1); CREATE INDEX idx ON cmdata(f1);
@ -241,6 +243,7 @@ CREATE TABLE cmdata2 (f1 text);
--------+------+-----------+----------+---------+----------+-------------+--------------+------------- --------+------+-----------+----------+---------+----------+-------------+--------------+-------------
f1 | text | | | | extended | pglz | | f1 | text | | | | extended | pglz | |
SET default_toast_compression = 'pglz';
-- test alter compression method -- test alter compression method
ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4; ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4;
ERROR: unsupported LZ4 compression method ERROR: unsupported LZ4 compression method

4
src/test/regress/sql/compression.sql
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@ -1,5 +1,8 @@
\set HIDE_TOAST_COMPRESSION false \set HIDE_TOAST_COMPRESSION false
-- ensure we get stable results regardless of installation's default
SET default_toast_compression = 'pglz';
-- test creating table with compression method -- test creating table with compression method
CREATE TABLE cmdata(f1 text COMPRESSION pglz); CREATE TABLE cmdata(f1 text COMPRESSION pglz);
CREATE INDEX idx ON cmdata(f1); CREATE INDEX idx ON cmdata(f1);
@ -100,6 +103,7 @@ SET default_toast_compression = 'lz4';
DROP TABLE cmdata2; DROP TABLE cmdata2;
CREATE TABLE cmdata2 (f1 text); CREATE TABLE cmdata2 (f1 text);
\d+ cmdata2 \d+ cmdata2
SET default_toast_compression = 'pglz';
-- test alter compression method -- test alter compression method
ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4; ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4;