macaddr.sql

来自「PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统」· SQL 代码 · 共 33 行

-- macaddr check

CREATE TABLE macaddrtmp (a macaddr);

\copy macaddrtmp from 'data/macaddr.data'

SET enable_seqscan=on;

SELECT count(*) FROM macaddrtmp WHERE a <  '22:00:5c:e5:9b:0d';

SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d';

SELECT count(*) FROM macaddrtmp WHERE a  = '22:00:5c:e5:9b:0d';

SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d';

SELECT count(*) FROM macaddrtmp WHERE a >  '22:00:5c:e5:9b:0d';

CREATE INDEX macaddridx ON macaddrtmp USING gist ( a );

SET enable_seqscan=off;

SELECT count(*) FROM macaddrtmp WHERE a <  '22:00:5c:e5:9b:0d'::macaddr;

SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d'::macaddr;

SELECT count(*) FROM macaddrtmp WHERE a  = '22:00:5c:e5:9b:0d'::macaddr;

SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d'::macaddr;

SELECT count(*) FROM macaddrtmp WHERE a >  '22:00:5c:e5:9b:0d'::macaddr;