Disable autovacuum in MERGE test script
Otherwise, it can fail given sufficient bad luck.
Backpatch to 15.
Discussion: https://postgr.es/m/537759.1663625579@sss.pgh.pa.us
Branch
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REL_15_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/c922f924d348254f2d03d2949d1085084aafc480
Modified Files
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src/test/regress/expected/merge.out | 91 ++++++++++++++++++++++--------------
src/test/regress/sql/merge.sql | 93 ++++++++++++++++++++++---------------
2 files changed, 110 insertions(+), 74 deletions(-)