Full-text search benchmark.

Set RDBMS and paths in Makefile before compilation.

Initialization example:
./ftsbench -i -n 10000 -f gin -b pgsql -d contrib_regression

Benchmark example:
./ftsbench -c 10 -n 300 -f gin -b pgsql -d contrib_regression


PostgreSQL prerequisite:
	version >= 8.2
	./configure --enable-thread-safety
	contrib/tsearch2

MySQL prerequisite:
	tested on 5.0.24a
	./configure --enable-thread-safe-client --with-pthread

SQL mode (output may be redirected to file or database):
% ftsbench -S | psql postgres
% ftsbench -i -n 10 -f gin -s 17 -d contrib_regression
INSERT INTO fb_create (id, rdbms, f_gin, f_gist, f_func, rows, elapsed) VALUES (17, 'pgsql', 't', 'f', 'f', 10, 0.528075);
% ftsbench  -c 2 -n 2 -f gin -s 17 -d contrib_regression
INSERT INTO fb_search (id, f_and, f_or, nclients, nqueries, nres, elapsed) VALUES (17, 't', 'f', 2, 2, 0, 0.063508);
% ftsbench  -c 2 -n 2 -f gin -s 17 -r -d contrib_regression
INSERT INTO fb_row (id, f_and, f_or, nclients, nres, elapsed) VALUES (17, 't', 'f', 2, 0, 0.039024);
INSERT INTO fb_row (id, f_and, f_or, nclients, nres, elapsed) VALUES (17, 't', 'f', 2, 1, 0.009069);
INSERT INTO fb_row (id, f_and, f_or, nclients, nres, elapsed) VALUES (17, 't', 'f', 2, 0, 0.061368);
INSERT INTO fb_row (id, f_and, f_or, nclients, nres, elapsed) VALUES (17, 't', 'f', 2, 3, 0.003654);



Notice:
Although ftsbench is covered by BSD license redistribution of 
rand.c and finnegan.c is prohibited without the permission 
of J. Zobel (jz at cs.rmit.edu.au).