****************** Installation of Parser Operator (Linux install)**********************

tested on postgres 8.4.4 (32 Bit)

REQUIREMENTS:
	- postgreSQL 8.4.4 installed
	- postgreSQL programs (initdb, psql etc.) in PATH (check with env)
	- Lexem Importer installed, hence DB qvestorDB also created in ~


WITH INSTALL SCRIPT:	
0. extract zip file into a folder:
	mkdir ~/qPsi
	unzip parseOp.zip -d ~/qPsi

1. run install.sh:
	cd ~/qPsi
	chmod a+x install.sh
	./install.sh
	 
2. start postgres server:
	pg_ctl -D ~/qvestorDB start
	
3. execute example query:
	psql -d qvestor -h localhost -f ~/qPsi/aggParse_example.sql
	
MANUAL INSTALL WITHOUT INSTALL SCRIPT:
0. extract zip file into a folder:
	mkdir ~/qPsi
	unzip parseOp.zip -d ~/qPsi
	
1. copy shared object into DB data directory:
	cp ~/qPsi/aggParser.so ~/qvestorDB

2. start postgreSQL server:
	pg_ctl -D ~/qvestorDB start

3. register functions and aggregates:
	psql -d qvestor -h localhost -f ~/qPsi/parseOp.sql
	
4. execute example query:
	psql -d qvestor -h localhost -f ~/qPsi/aggParse_example.sql