boolean.out
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:4k
- QUERY: SELECT 1 AS one;
- one
- ---
- 1
- (1 row)
- QUERY: SELECT 't'::bool AS true;
- true
- ----
- t
- (1 row)
- QUERY: SELECT 'f'::bool AS false;
- false
- -----
- f
- (1 row)
- QUERY: SELECT 't'::bool or 'f'::bool AS true;
- true
- ----
- t
- (1 row)
- QUERY: SELECT 't'::bool and 'f'::bool AS false;
- false
- -----
- f
- (1 row)
- QUERY: SELECT not 'f'::bool AS true;
- true
- ----
- t
- (1 row)
- QUERY: SELECT 't'::bool = 'f'::bool AS false;
- false
- -----
- f
- (1 row)
- QUERY: SELECT 't'::bool <> 'f'::bool AS true;
- true
- ----
- t
- (1 row)
- QUERY: CREATE TABLE BOOLTBL1 (f1 bool);
- QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('t'::bool);
- QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('True'::bool);
- QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('true'::bool);
- QUERY: SELECT '' AS t_3, BOOLTBL1.*;
- t_3|f1
- ---+--
- |t
- |t
- |t
- (3 rows)
- QUERY: SELECT '' AS t_3, BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 = 'true'::bool;
- t_3|f1
- ---+--
- |t
- |t
- |t
- (3 rows)
- QUERY: SELECT '' AS t_3, BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 <> 'false'::bool;
- t_3|f1
- ---+--
- |t
- |t
- |t
- (3 rows)
- QUERY: SELECT '' AS zero, BOOLTBL1.*
- FROM BOOLTBL1
- WHERE booleq('false'::bool, f1);
- zero|f1
- ----+--
- (0 rows)
- QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('f'::bool);
- QUERY: SELECT '' AS f_1, BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 = 'false'::bool;
- f_1|f1
- ---+--
- |f
- (1 row)
- QUERY: CREATE TABLE BOOLTBL2 (f1 bool);
- QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('f'::bool);
- QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('false'::bool);
- QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('False'::bool);
- QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('FALSE'::bool);
- QUERY: INSERT INTO BOOLTBL2 (f1)
- VALUES ('XXX'::bool);
- ERROR: Bad boolean external representation 'XXX'
- QUERY: SELECT '' AS f_4, BOOLTBL2.*;
- f_4|f1
- ---+--
- |f
- |f
- |f
- |f
- (4 rows)
- QUERY: SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
- WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
- tf_12|f1|f1
- -----+--+--
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- (12 rows)
- QUERY: SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
- WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
- tf_12|f1|f1
- -----+--+--
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- (12 rows)
- QUERY: SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
- WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = 'false'::bool;
- ff_4|f1|f1
- ----+--+--
- |f |f
- |f |f
- |f |f
- |f |f
- (4 rows)
- QUERY: SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
- WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = 'true'::bool
- ORDER BY BOOLTBL1.f1, BOOLTBL2.f1;
- tf_12_ff_4|f1|f1
- ----------+--+--
- |f |f
- |f |f
- |f |f
- |f |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- |t |f
- (16 rows)
- QUERY: SELECT '' AS "True", BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 IS TRUE;
- True|f1
- ----+--
- |t
- |t
- |t
- (3 rows)
- QUERY: SELECT '' AS "Not False", BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 IS NOT FALSE;
- Not False|f1
- ---------+--
- |t
- |t
- |t
- (3 rows)
- QUERY: SELECT '' AS "False", BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 IS FALSE;
- False|f1
- -----+--
- |f
- (1 row)
- QUERY: SELECT '' AS "Not True", BOOLTBL1.*
- FROM BOOLTBL1
- WHERE f1 IS NOT TRUE;
- Not True|f1
- --------+--
- |f
- (1 row)
- QUERY: DROP TABLE BOOLTBL1;
- QUERY: DROP TABLE BOOLTBL2;