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When the newest version is loaded, the backend would load objects from the oldest complete SQL file (here 1.4) and then update to the latest version with transition scripts (up to 1.9 currently). This provides some coverage for upgrades of pg_stat_statements, but there is no test to show how things have changed across each version. This adds a couple of tests for the upgrade paths using objects from each version supported, stressing the objects whose behaviors have changed across each version supported. Author: Erica Zhang Reviewed-by: Julien Rouhaud, Michael Paquier Discussion: https://postgr.es/m/tencent_BBA974AFF61379F2345E782FD6C55891950A@qq.com |
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oldextversions.sql | ||
pg_stat_statements.sql |