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authorNoah Misch2019-05-19 21:36:44 +0000
committerNoah Misch2019-05-19 21:37:29 +0000
commit4f4b2d4161b1406f6f37c164cf2f383d2ec7a684 (patch)
tree8847eff91c262f929b3144db804ea551fd565bbb /doc/src
parent0491a51fdd4e87fd5ab42ae42dfb9931cac681f6 (diff)
In the pg_upgrade test suite, don't write to src/test/regress.
When this suite runs installcheck, redirect file creations from src/test/regress to src/bin/pg_upgrade/tmp_check/regress. This closes a race condition in "make -j check-world". If the pg_upgrade suite wrote to a given src/test/regress/results file in parallel with the regular src/test/regress invocation writing it, a test failed spuriously. Even without parallelism, in "make -k check-world", the suite finishing second overwrote the other's regression.diffs. This revealed test "largeobject" assuming @abs_builddir@ is getcwd(), so fix that, too. Buildfarm client REL_10, released forty-five days ago, supports saving regression.diffs from its new location. When an older client reports a pg_upgradeCheck failure, it will no longer include regression.diffs. Back-patch to 9.5, where pg_upgrade moved to src/bin. Reviewed by Andrew Dunstan. Discussion: https://postgr.es/m/20181224034411.GA3224776@rfd.leadboat.com
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