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#!/bin/sh
#
# Run ANALYZE on all databases in the upgraded cluster
set -eu
oldversion="$1"
cluster="$2"
newversion="$3"
phase="$4"
[ "$phase" = "finish" ] || exit 0
flags="--cluster $newversion/$cluster --all"
case $newversion in
9.5|9.6|[1-7]*)
[ "${PGJOBS:-}" ] && flags="$flags --jobs=$PGJOBS"
;;
esac
case $newversion in
9.2|9.3)
vacuumdb $flags --analyze-only
;;
9.[4-6]|1[0-7])
vacuumdb $flags --analyze-in-stages
;;
*)
# fill in missing stats
vacuumdb $flags --analyze-in-stages --missing-stats-only
# re-analyze everything to update row statistics
vacuumdb $flags --analyze-only
;;
esac
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