commit c1a1216b7c7a7db132c954a29a3d91d00c7e918c Author: Erica Zhang Date: Tue Mar 9 03:06:36 2021 +0000 Add some tests for pg_stat_statements compatibility verification diff --git a/contrib/pg_stat_statements/expected/pg_stat_statements.out b/contrib/pg_stat_statements/expected/pg_stat_statements.out index 16158525ca..13dc9271f6 100644 --- a/contrib/pg_stat_statements/expected/pg_stat_statements.out +++ b/contrib/pg_stat_statements/expected/pg_stat_statements.out @@ -877,3 +877,142 @@ SELECT dealloc FROM pg_stat_statements_info; (1 row) DROP EXTENSION pg_stat_statements; +-- +-- Verify compatible with older versions. +-- Currently the lowest version supported is 1.4. +-- +CREATE EXTENSION pg_stat_statements with version '1.4'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.4'; + count +------- + 1 +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT count(query) FROM pg_stat_statements; + count +------- + 2 +(1 row) + +DROP EXTENSION pg_stat_statements; +--- +--- Install pg_stat_statements extension version 1.5 +--- +CREATE EXTENSION pg_stat_statements with version '1.5'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.5'; + count +------- + 1 +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT count(query) FROM pg_stat_statements; + count +------- + 2 +(1 row) + +DROP EXTENSION pg_stat_statements; +--- +--- Install pg_stat_statements extension version 1.6 +--- +CREATE EXTENSION pg_stat_statements with version '1.6'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.6'; + count +------- + 1 +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT count(query) FROM pg_stat_statements; + count +------- + 2 +(1 row) + +DROP EXTENSION pg_stat_statements; +--- +--- Install pg_stat_statements extension version 1.7 +--- +CREATE EXTENSION pg_stat_statements with version '1.7'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.7'; + count +------- + 1 +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT count(query) FROM pg_stat_statements; + count +------- + 2 +(1 row) + +DROP EXTENSION pg_stat_statements; +--- +--- Install pg_stat_statements extension version 1.8 +--- +CREATE EXTENSION pg_stat_statements with version '1.8'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.8'; + count +------- + 1 +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT count(plans) FROM pg_stat_statements; + count +------- + 2 +(1 row) + +DROP EXTENSION pg_stat_statements; +--- +--- Install pg_stat_statements extension to 1.9 +--- +CREATE EXTENSION pg_stat_statements with version '1.9'; +SELECT * FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.9'; + name | default_version | installed_version | comment +--------------------+-----------------+-------------------+------------------------------------------------------------------------ + pg_stat_statements | 1.9 | 1.9 | track planning and execution statistics of all SQL statements executed +(1 row) + +SELECT pg_stat_statements_reset(); + pg_stat_statements_reset +-------------------------- + +(1 row) + +SELECT dealloc FROM pg_stat_statements_info; + dealloc +--------- + 0 +(1 row) + +DROP EXTENSION pg_stat_statements; diff --git a/contrib/pg_stat_statements/sql/pg_stat_statements.sql b/contrib/pg_stat_statements/sql/pg_stat_statements.sql index 6f58d9d0f6..1fcd5c00db 100644 --- a/contrib/pg_stat_statements/sql/pg_stat_statements.sql +++ b/contrib/pg_stat_statements/sql/pg_stat_statements.sql @@ -365,3 +365,59 @@ SELECT pg_stat_statements_reset(); SELECT dealloc FROM pg_stat_statements_info; DROP EXTENSION pg_stat_statements; + +-- +-- Verify compatible with older versions. +-- Currently the lowest version supported is 1.4. +-- +CREATE EXTENSION pg_stat_statements with version '1.4'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.4'; +SELECT pg_stat_statements_reset(); +SELECT count(query) FROM pg_stat_statements; +DROP EXTENSION pg_stat_statements; + +--- +--- Install pg_stat_statements extension version 1.5 +--- +CREATE EXTENSION pg_stat_statements with version '1.5'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.5'; +SELECT pg_stat_statements_reset(); +SELECT count(query) FROM pg_stat_statements; +DROP EXTENSION pg_stat_statements; + +--- +--- Install pg_stat_statements extension version 1.6 +--- +CREATE EXTENSION pg_stat_statements with version '1.6'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.6'; +SELECT pg_stat_statements_reset(); +SELECT count(query) FROM pg_stat_statements; +DROP EXTENSION pg_stat_statements; + +--- +--- Install pg_stat_statements extension version 1.7 +--- +CREATE EXTENSION pg_stat_statements with version '1.7'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.7'; +SELECT pg_stat_statements_reset(); +SELECT count(query) FROM pg_stat_statements; +DROP EXTENSION pg_stat_statements; + +--- +--- Install pg_stat_statements extension version 1.8 +--- +CREATE EXTENSION pg_stat_statements with version '1.8'; +SELECT count(*) FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.8'; +SELECT pg_stat_statements_reset(); +SELECT count(plans) FROM pg_stat_statements; +DROP EXTENSION pg_stat_statements; + +--- +--- Install pg_stat_statements extension to 1.9 +--- +CREATE EXTENSION pg_stat_statements with version '1.9'; +SELECT * FROM pg_available_extensions WHERE name = 'pg_stat_statements' and installed_version = '1.9'; +SELECT pg_stat_statements_reset(); +SELECT dealloc FROM pg_stat_statements_info; + +DROP EXTENSION pg_stat_statements;