#!/bin/sh
#
# duplicate_oids
#
# src/include/catalog/duplicate_oids
#
# finds manually-assigned oids that are duplicated in the system tables.
#
# run this script in src/include/catalog.
#

# note: we exclude BKI_BOOTSTRAP relations since they are expected to have
# matching DATA lines in pg_class.h and pg_type.h

cat pg_*.h toasting.h indexing.h | \
egrep -v -e '^CATALOG\(.*BKI_BOOTSTRAP' | \
sed -n	-e 's/^DATA(insert *OID *= *\([0-9][0-9]*\).*$/\1/p' \
	-e 's/^CATALOG([^,]*, *\([0-9][0-9]*\).*BKI_ROWTYPE_OID(\([0-9][0-9]*\)).*$/\1,\2/p' \
	-e 's/^CATALOG([^,]*, *\([0-9][0-9]*\).*$/\1/p' \
	-e 's/^DECLARE_INDEX([^,]*, *\([0-9][0-9]*\).*$/\1/p' \
	-e 's/^DECLARE_UNIQUE_INDEX([^,]*, *\([0-9][0-9]*\).*$/\1/p' \
	-e 's/^DECLARE_TOAST([^,]*, *\([0-9][0-9]*\), *\([0-9][0-9]*\).*$/\1,\2/p' | \
tr ',' '\n' | \
sort -n | \
uniq -d | \
grep '.'

# nonzero exit code if lines were produced
[ $? -eq 1 ]
exit