#!/bin/bash

git reset --hard HEAD; git clean -dfx >/dev/null
wget https://www.postgresql.org/message-id/attachment/159685/v1-0001-Avoid-orphaned-objects-dependencies.patch
git apply v1-0001-Avoid-orphaned-objects-dependencies.patch || exit 1
CPPFLAGS="-Og" ./configure --enable-debug --enable-cassert -q && make -j8 -s && TESTS="test_setup" make -s check-tests

PGROOT=`pwd`/tmp_install
export PGDATA=`pwd`/tmpdb

export PATH="$PGROOT/usr/local/pgsql/bin:$PATH"
export LD_LIBRARY_PATH="$PGROOT/usr/local/pgsql/lib"

initdb >initdb.log 2>&1

export PGPORT=55432
echo "
port=$PGPORT
fsync = off
" > $PGDATA/postgresql.auto.conf

pg_ctl -l server.log start
export PGDATABASE=regression

createdb regression

for ((i=1;i<=300;i++)); do
  ( { for ((n=1;n<=20;n++)); do echo "DROP SCHEMA s;"; done } | psql ) >psql1.log 2>&1 & 
  echo "
CREATE SCHEMA s;
CREATE FUNCTION s.func1() RETURNS int LANGUAGE SQL AS 'SELECT 1;';
CREATE FUNCTION s.func2() RETURNS int LANGUAGE SQL AS 'SELECT 2;';
CREATE FUNCTION s.func3() RETURNS int LANGUAGE SQL AS 'SELECT 3;';
CREATE FUNCTION s.func4() RETURNS int LANGUAGE SQL AS 'SELECT 4;';
CREATE FUNCTION s.func5() RETURNS int LANGUAGE SQL AS 'SELECT 5;';
  "  | psql >psql2.log 2>&1 &
  wait
  psql -c "DROP SCHEMA s CASCADE" >psql3.log
done
echo "
SELECT pg_identify_object('pg_proc'::regclass, pp.oid, 0), pp.oid FROM pg_proc pp
  LEFT JOIN pg_namespace pn ON pp.pronamespace = pn.oid WHERE pn.oid IS NULL" | psql

pg_ctl -w -t 5 -D "$PGDATA" stop