cash.out

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

-- money check
CREATE TABLE moneytmp (a money) WITH OIDS;
\copy moneytmp from 'data/cash.data'
SET enable_seqscan=on;
SELECT count(*) FROM moneytmp WHERE a <  '22649.64';
 count 
-------
   289
(1 row)

SELECT count(*) FROM moneytmp WHERE a <= '22649.64';
 count 
-------
   290
(1 row)

SELECT count(*) FROM moneytmp WHERE a  = '22649.64';
 count 
-------
     1
(1 row)

SELECT count(*) FROM moneytmp WHERE a >= '22649.64';
 count 
-------
   254
(1 row)

SELECT count(*) FROM moneytmp WHERE a >  '22649.64';
 count 
-------
   253
(1 row)

CREATE INDEX moneyidx ON moneytmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM moneytmp WHERE a <  '22649.64'::money;
 count 
-------
   289
(1 row)

SELECT count(*) FROM moneytmp WHERE a <= '22649.64'::money;
 count 
-------
   290
(1 row)

SELECT count(*) FROM moneytmp WHERE a  = '22649.64'::money;
 count 
-------
     1
(1 row)

SELECT count(*) FROM moneytmp WHERE a >= '22649.64'::money;
 count 
-------
   254
(1 row)

SELECT count(*) FROM moneytmp WHERE a >  '22649.64'::money;
 count 
-------
   253
(1 row)