varchar.sql
上传用户:blenddy
上传日期:2007-01-07
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文件大小:2k
- ---------------------------------------------------------------------------
- --
- -- varchar.sql-
- -- test CHAR() and VARCHAR() adts
- --
- --
- -- Copyright (c) 1994-5, Regents of the University of California
- --
- -- $Id: varchar.sql,v 1.1.1.1 1996/07/09 06:22:30 scrappy Exp $
- --
- ---------------------------------------------------------------------------
- -- test char(): insert w/ boundary cases
- create table f (x char(5));
- insert into f values ('zoo');
- insert into f values ('a');
- insert into f values ('jet');
- insert into f values ('abc');
- insert into f values ('');
- insert into f values ('a c');
- insert into f values ('abxyzxyz');
- select * from f;
- select * from f where x = 'jet';
- select * from f where x <> 'jet';
- select * from f where x < 'jet';
- select * from f where x <= 'jet';
- select * from f where x > 'jet';
- select * from f where x >= 'jet';
- select * from f where x = 'ab';
- select * from f where x <> 'ab';
- select * from f where x < 'ab';
- select * from f where x <= 'ab';
- select * from f where x > 'ab';
- select * from f where x >= 'ab';
- select * from f order by x;
- -- test varchar(): insert w/ boundary cases
- create table ff (x varchar(5));
- insert into ff values ('a');
- insert into ff values ('zoo');
- insert into ff values ('jet');
- insert into ff values ('abc');
- insert into ff values ('');
- insert into ff values ('a c');
- insert into ff values ('abxyzxyz');
- select * from ff;
- select * from ff where x = 'jet';
- select * from ff where x <> 'jet';
- select * from ff where x < 'jet';
- select * from ff where x <= 'jet';
- select * from ff where x > 'jet';
- select * from ff where x >= 'jet';
- select * from ff where x = 'ab';
- select * from ff where x <> 'ab';
- select * from ff where x < 'ab';
- select * from ff where x <= 'ab';
- select * from ff where x > 'ab';
- select * from ff where x >= 'ab';
- select * from ff order by x using >;
- create index f_ind on f using btree (x bpchar_ops);
- create index ff_ind on ff using btree (x varchar_ops);
- drop table f;
- drop table ff;