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chef/site-cookbooks/kosmos_postgresql/files/drop_subscriptions.sh

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set -e
echo "== Dropping subscriptions on PG14 =="
for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template0,'template1'')"); do
echo "Processing DB: $db"
SUB="migrate_sub_${db}"
# Disable first (important)
psql -d "$db" -c "ALTER SUBSCRIPTION $SUB DISABLE;" 2>/dev/null || true
# Drop subscription if exists
psql -d "$db" -v ON_ERROR_STOP=1 <<SQL
DO \$\$
BEGIN
IF EXISTS (
SELECT 1 FROM pg_subscription WHERE subname = '$SUB'
) THEN
DROP SUBSCRIPTION $SUB;
END IF;
END
\$\$;
SQL
done
echo "== Done =="