I'd like to change the way we set the CONTRIB_TESTDB name for contrib modules. so that each module doesn't wipe out the previous module's test db. The reason is that this will let us test upgrading them using pg_upgrade much more easily. Not testing this is a significant hole in the pg_upgrade testing regime.

This can be achieved by a fairly simple change in Makefile.global.in along these lines:

   ifneq ($(MODULE_big),)
      CONTRIB_TESTDB = contrib_regression_$(MODULE_big)
   else
      ifneq ($(MODULES),)
        CONTRIB_TESTDB = contrib_regression_$(MODULES)
      else
        CONTRIB_TESTDB = contrib_regression
      endif
   endif


plus some changes in the dblink tests / results that rely on the database name.

The downside is that this involves in increase in space of 6.5Mb to 7.5Mb per module. That doesn't seem huge in these days when a standard commodity hard drive is 500Gb and up.

Thoughts?

cheers

andrew


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