mirror of https://github.com/postgres/postgres
Add script that runs the regression tests with all valid
combinations of query-plan-type backend options. Good for testing planner/optimizer. Tedious, though.
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#! /bin/sh
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# This script runs the Postgres regression tests with all useful combinations
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# of the backend options that disable various query plan types. If the
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# results are not all the same, it may indicate a bug in a particular
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# plan type, or perhaps just a regression test whose results aren't fully
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# determinate (eg, due to lack of an ORDER BY keyword).
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#
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# Run this in the src/test/regress directory, after doing the usual setup
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# for a regular regression test, ie, "make clean all" (you should be ready
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# to do "make runtest").
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#
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# The backend option switches that we use here are:
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# -fs disable sequential scans
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# -fi disable index scans
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# -fn disable nestloop joins
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# -fm disable merge joins
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# -fh disable hash joins
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# Only mergejoin and hashjoin are really guaranteed to turn off; the others
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# just bias the optimizer's cost calculations heavily against that choice.
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# There's no point in trying to turn off both scan types or all three join
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# types simultaneously; ergo, we have 3*7 = 21 interesting combinations.
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#
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# Note that this will take *more than* 21 times longer than a regular
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# regression test, since we are preventing the system from using the most
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# efficient available query plans! Have patience.
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# Select make to use --- default gmake, can be overridden by env var
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MAKE=${MAKE:-gmake}
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mkdir planregress
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PGOPTIONS=" " $MAKE runtest
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mv -f regress.out planregress/out.normal
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mv -f regression.diffs planregress/diffs.normal
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PGOPTIONS=" -fh" $MAKE runtest
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mv -f regress.out planregress/out.h
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mv -f regression.diffs planregress/diffs.h
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PGOPTIONS=" -fm " $MAKE runtest
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mv -f regress.out planregress/out.m
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mv -f regression.diffs planregress/diffs.m
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PGOPTIONS=" -fm -fh" $MAKE runtest
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mv -f regress.out planregress/out.mh
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mv -f regression.diffs planregress/diffs.mh
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PGOPTIONS=" -fn " $MAKE runtest
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mv -f regress.out planregress/out.n
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mv -f regression.diffs planregress/diffs.n
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PGOPTIONS=" -fn -fh" $MAKE runtest
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mv -f regress.out planregress/out.nh
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mv -f regression.diffs planregress/diffs.nh
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PGOPTIONS=" -fn -fm " $MAKE runtest
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mv -f regress.out planregress/out.nm
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mv -f regression.diffs planregress/diffs.nm
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PGOPTIONS=" -fi " $MAKE runtest
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mv -f regress.out planregress/out.i
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mv -f regression.diffs planregress/diffs.i
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PGOPTIONS=" -fi -fh" $MAKE runtest
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mv -f regress.out planregress/out.ih
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mv -f regression.diffs planregress/diffs.ih
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PGOPTIONS=" -fi -fm " $MAKE runtest
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mv -f regress.out planregress/out.im
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mv -f regression.diffs planregress/diffs.im
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PGOPTIONS=" -fi -fm -fh" $MAKE runtest
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mv -f regress.out planregress/out.imh
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mv -f regression.diffs planregress/diffs.imh
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PGOPTIONS=" -fi -fn " $MAKE runtest
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mv -f regress.out planregress/out.in
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mv -f regression.diffs planregress/diffs.in
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PGOPTIONS=" -fi -fn -fh" $MAKE runtest
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mv -f regress.out planregress/out.inh
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mv -f regression.diffsregression.planregress/inh
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PGOPTIONS=" -fi -fn -fm " $MAKE runtest
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mv -f regress.out planregress/out.inm
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mv -f regression.diffs planregress/diffs.inm
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PGOPTIONS="-fs " $MAKE runtest
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mv -f regress.out planregress/out.s
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mv -f regression.diffs planregress/diffs.s
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PGOPTIONS="-fs -fh" $MAKE runtest
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mv -f regress.out planregress/out.sh
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mv -f regression.diffs planregress/diffs.sh
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PGOPTIONS="-fs -fm " $MAKE runtest
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mv -f regress.out planregress/out.sm
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mv -f regression.diffs planregress/diffs.sm
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PGOPTIONS="-fs -fm -fh" $MAKE runtest
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mv -f regress.out planregress/out.smh
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mv -f regression.diffs planregress/diffs.smh
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PGOPTIONS="-fs -fn " $MAKE runtest
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mv -f regress.out planregress/out.sn
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mv -f regression.diffs planregress/diffs.sn
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PGOPTIONS="-fs -fn -fh" $MAKE runtest
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mv -f regress.out planregress/out.snh
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mv -f regression.diffs planregress/diffs.snh
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PGOPTIONS="-fs -fn -fm " $MAKE runtest
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mv -f regress.out planregress/out.snm
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mv -f regression.diffs planregress/diffs.snm
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exit 0
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