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Regression Test Procedure

Commands were tested on RedHat Linux version 4.2 using the bash shell. Except where noted, they will probably work on most systems. Commands like ps and tar vary wildly on what options you should use on each platform. Use common sense before typing in these commands.

Postgres Regression Configuration

For a fresh install or upgrading from previous releases of Postgres:

  1. Build the regression test. Type

        cd /usr/src/pgsql/src/test/regress
        gmake all
    
  2. If you have prevously invoked the regression test, clean up the working directory with:

        cd /usr/src/pgsql/src/test/regress
        make clean
    
  3. The file /usr/src/pgsql/src/test/regress/README has detailed instructions for running and interpreting the regression tests. A short version follows here:

    If the postmaster is not already running, start the postmaster on an available window by typing

        postmaster
    
    or start the postmaster daemon running in the background by typing
        cd
        nohup postmaster > regress.log 2>&1 &
    

    Run postmaster from your Postgres super user account (typically account postgres).

    Note: Do not run postmaster from the root account.

  4. Run the regression tests. Type

        cd /usr/src/pgsql/src/test/regress
        gmake runtest
    

    You do not need to type "gmake clean" if this is the first time you are running the tests.

  5. You should get on the screen (and also written to file ./regress.out) a series of statements stating which tests passed and which tests failed. Please note that it can be normal for some of the tests to "fail". For the failed tests, use diff to compare the files in directories ./results and ./expected. If float8 failed, type something like:

        cd /usr/src/pgsql/src/test/regress
        diff -w expected/float8.out results
    
  6. After running the tests, type

        destroydb regression
        cd /usr/src/pgsql/src/test/regress
        gmake clean
    
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