constraints.source
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:10k
- QUERY: CREATE TABLE DEFAULT_TBL (i int DEFAULT 100,
- x text DEFAULT 'vadim', f float8 DEFAULT 123.456);
- QUERY: INSERT INTO DEFAULT_TBL VALUES (1, 'thomas', 57.0613);
- QUERY: INSERT INTO DEFAULT_TBL VALUES (1, 'bruce');
- QUERY: INSERT INTO DEFAULT_TBL (i, f) VALUES (2, 987.654);
- QUERY: INSERT INTO DEFAULT_TBL (x) VALUES ('marc');
- QUERY: INSERT INTO DEFAULT_TBL VALUES (3, null, 1.0);
- QUERY: SELECT '' AS five, * FROM DEFAULT_TBL;
- five| i|x | f
- ----+---+------+-------
- | 1|thomas|57.0613
- | 1|bruce |123.456
- | 2|vadim |987.654
- |100|marc |123.456
- | 3| | 1
- (5 rows)
- QUERY: CREATE SEQUENCE DEFAULT_SEQ;
- QUERY: CREATE TABLE DEFAULTEXPR_TBL (i1 int DEFAULT 100 + (200-199) * 2,
- i2 int DEFAULT nextval('default_seq'));
- QUERY: INSERT INTO DEFAULTEXPR_TBL VALUES (-1, -2);
- QUERY: INSERT INTO DEFAULTEXPR_TBL (i1) VALUES (-3);
- QUERY: INSERT INTO DEFAULTEXPR_TBL (i2) VALUES (-4);
- QUERY: INSERT INTO DEFAULTEXPR_TBL (i2) VALUES (NULL);
- QUERY: SELECT '' AS four, * FROM DEFAULTEXPR_TBL;
- four| i1|i2
- ----+---+--
- | -1|-2
- | -3| 1
- |102|-4
- |102|
- (4 rows)
- QUERY: CREATE TABLE error_tbl (i int DEFAULT (100, ));
- ERROR: parser: parse error at or near ","
- QUERY: CREATE TABLE error_tbl (b1 bool DEFAULT 1 < 2);
- ERROR: boolean expressions not supported in DEFAULT
- QUERY: CREATE TABLE CHECK_TBL (x int,
- CONSTRAINT CHECK_CON CHECK (x > 3));
- QUERY: INSERT INTO CHECK_TBL VALUES (5);
- QUERY: INSERT INTO CHECK_TBL VALUES (4);
- QUERY: INSERT INTO CHECK_TBL VALUES (3);
- ERROR: ExecAppend: rejected due to CHECK constraint check_con
- QUERY: INSERT INTO CHECK_TBL VALUES (2);
- ERROR: ExecAppend: rejected due to CHECK constraint check_con
- QUERY: INSERT INTO CHECK_TBL VALUES (6);
- QUERY: INSERT INTO CHECK_TBL VALUES (1);
- ERROR: ExecAppend: rejected due to CHECK constraint check_con
- QUERY: SELECT '' AS three, * FROM CHECK_TBL;
- three|x
- -----+-
- |5
- |4
- |6
- (3 rows)
- QUERY: CREATE SEQUENCE CHECK_SEQ;
- QUERY: CREATE TABLE CHECK2_TBL (x int, y text, z int,
- CONSTRAINT SEQUENCE_CON
- CHECK (x > 3 and y <> 'check failed' and z < 8));
- QUERY: INSERT INTO CHECK2_TBL VALUES (4, 'check ok', -2);
- QUERY: INSERT INTO CHECK2_TBL VALUES (1, 'x check failed', -2);
- ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
- QUERY: INSERT INTO CHECK2_TBL VALUES (5, 'z check failed', 10);
- ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
- QUERY: INSERT INTO CHECK2_TBL VALUES (0, 'check failed', -2);
- ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
- QUERY: INSERT INTO CHECK2_TBL VALUES (6, 'check failed', 11);
- ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
- QUERY: INSERT INTO CHECK2_TBL VALUES (7, 'check ok', 7);
- QUERY: SELECT '' AS two, * from CHECK2_TBL;
- two|x|y | z
- ---+-+--------+--
- |4|check ok|-2
- |7|check ok| 7
- (2 rows)
- QUERY: CREATE SEQUENCE INSERT_SEQ;
- QUERY: CREATE TABLE INSERT_TBL (x INT DEFAULT nextval('insert_seq'),
- y TEXT DEFAULT '-NULL-', z INT DEFAULT -1 * currval('insert_seq'),
- CONSTRAINT INSERT_CON CHECK (x >= 3 AND y <> 'check failed' AND x < 8),
- CHECK (x + z = 0));
- QUERY: INSERT INTO INSERT_TBL VALUES (null, null, null);
- ERROR: ExecAppend: rejected due to CHECK constraint $2
- QUERY: INSERT INTO INSERT_TBL(x,z) VALUES (2, -2);
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: SELECT '' AS zero, * FROM INSERT_TBL;
- zero|x|y|z
- ----+-+-+-
- (0 rows)
- QUERY: SELECT 'one' AS one, nextval('insert_seq');
- one|nextval
- ---+-------
- one| 1
- (1 row)
- QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
- QUERY: INSERT INTO INSERT_TBL(x,z) VALUES (1, -2);
- ERROR: ExecAppend: rejected due to CHECK constraint $2
- QUERY: INSERT INTO INSERT_TBL(z,x) VALUES (-7, 7);
- QUERY: INSERT INTO INSERT_TBL VALUES (5, 'check failed', -5);
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: INSERT INTO INSERT_TBL VALUES (7, '!check failed', -7);
- QUERY: INSERT INTO INSERT_TBL(y) VALUES ('-!NULL-');
- QUERY: SELECT '' AS four, * FROM INSERT_TBL;
- four|x|y | z
- ----+-+-------------+--
- |3|Y |-3
- |7|-NULL- |-7
- |7|!check failed|-7
- |4|-!NULL- |-4
- (4 rows)
- QUERY: INSERT INTO INSERT_TBL(y,z) VALUES ('check failed', 4);
- ERROR: ExecAppend: rejected due to CHECK constraint $2
- QUERY: INSERT INTO INSERT_TBL(x,y) VALUES (5, 'check failed');
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: INSERT INTO INSERT_TBL(x,y) VALUES (5, '!check failed');
- QUERY: INSERT INTO INSERT_TBL(y) VALUES ('-!NULL-');
- QUERY: SELECT '' AS six, * FROM INSERT_TBL;
- six|x|y | z
- ---+-+-------------+--
- |3|Y |-3
- |7|-NULL- |-7
- |7|!check failed|-7
- |4|-!NULL- |-4
- |5|!check failed|-5
- |6|-!NULL- |-6
- (6 rows)
- QUERY: SELECT 'seven' AS one, nextval('insert_seq');
- one |nextval
- -----+-------
- seven| 7
- (1 row)
- QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: SELECT 'eight' AS one, currval('insert_seq');
- one |currval
- -----+-------
- eight| 8
- (1 row)
- QUERY: DELETE FROM INSERT_TBL;
- QUERY: DROP SEQUENCE INSERT_SEQ;
- QUERY: CREATE SEQUENCE INSERT_SEQ START 4;
- QUERY: CREATE TABLE tmp (xd INT, yd TEXT, zd INT);
- QUERY: INSERT INTO tmp VALUES (null, 'Y', null);
- QUERY: INSERT INTO tmp VALUES (5, '!check failed', null);
- QUERY: INSERT INTO tmp VALUES (null, 'try again', null);
- QUERY: INSERT INTO INSERT_TBL(y) select yd from tmp;
- NOTICE: insert_seq.nextval: sequence was re-created
- QUERY: SELECT '' AS three, * FROM INSERT_TBL;
- three|x|y | z
- -----+-+-------------+--
- |4|Y |-4
- |5|!check failed|-5
- |6|try again |-6
- (3 rows)
- QUERY: INSERT INTO INSERT_TBL SELECT * FROM tmp WHERE yd = 'try again';
- ERROR: ExecAppend: rejected due to CHECK constraint $2
- QUERY: INSERT INTO INSERT_TBL(y,z) SELECT yd, -7 FROM tmp WHERE yd = 'try again';
- QUERY: INSERT INTO INSERT_TBL(y,z) SELECT yd, -8 FROM tmp WHERE yd = 'try again';
- ERROR: ExecAppend: rejected due to CHECK constraint insert_con
- QUERY: SELECT '' AS four, * FROM INSERT_TBL;
- four|x|y | z
- ----+-+-------------+--
- |4|Y |-4
- |5|!check failed|-5
- |6|try again |-6
- |7|try again |-7
- (4 rows)
- QUERY: DROP TABLE tmp;
- QUERY: UPDATE INSERT_TBL SET x = NULL WHERE x = 6;
- ERROR: ExecReplace: rejected due to CHECK constraint $2
- QUERY: UPDATE INSERT_TBL SET x = 6 WHERE x = 6;
- QUERY: UPDATE INSERT_TBL SET x = -z, z = -x;
- QUERY: UPDATE INSERT_TBL SET x = z, z = x;
- ERROR: ExecReplace: rejected due to CHECK constraint insert_con
- QUERY: SELECT * FROM INSERT_TBL;
- x|y | z
- -+-------------+--
- 4|Y |-4
- 5|!check failed|-5
- 7|try again |-7
- 6|try again |-6
- (4 rows)
- QUERY: CREATE TABLE COPY_TBL (x INT, y TEXT, z INT,
- CONSTRAINT COPY_CON
- CHECK (x > 3 AND y <> 'check failed' AND x < 7 ));
- QUERY: COPY COPY_TBL FROM '_OBJWD_/data/constro.data';
- QUERY: SELECT '' AS two, * FROM COPY_TBL;
- two|x|y |z
- ---+-+-------------+-
- |4|!check failed|5
- |6|OK |4
- (2 rows)
- QUERY: COPY COPY_TBL FROM '_OBJWD_/data/constrf.data';
- ERROR: CopyFrom: rejected due to CHECK constraint copy_con
- QUERY: SELECT * FROM COPY_TBL;
- x|y |z
- -+-------------+-
- 4|!check failed|5
- 6|OK |4
- (2 rows)
- QUERY: CREATE TABLE PRIMARY_TBL (i int PRIMARY KEY, t text);
- NOTICE: CREATE TABLE/PRIMARY KEY will create implicit index 'primary_tbl_pkey' for table 'primary_tbl'
- QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'one');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (2, 'two');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'three');
- ERROR: Cannot insert a duplicate key into a unique index
- QUERY: INSERT INTO PRIMARY_TBL VALUES (4, 'three');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (5, 'one');
- QUERY: INSERT INTO PRIMARY_TBL (t) VALUES ('six');
- ERROR: ExecAppend: Fail to add null value in not null attribute i
- QUERY: SELECT '' AS four, * FROM PRIMARY_TBL;
- four|i|t
- ----+-+-----
- |1|one
- |2|two
- |4|three
- |5|one
- (4 rows)
- QUERY: DROP TABLE PRIMARY_TBL;
- QUERY: CREATE TABLE PRIMARY_TBL (i int, t text,
- PRIMARY KEY(i,t));
- NOTICE: CREATE TABLE/PRIMARY KEY will create implicit index 'primary_tbl_pkey' for table 'primary_tbl'
- QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'one');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (2, 'two');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'three');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (4, 'three');
- QUERY: INSERT INTO PRIMARY_TBL VALUES (5, 'one');
- QUERY: INSERT INTO PRIMARY_TBL (t) VALUES ('six');
- ERROR: ExecAppend: Fail to add null value in not null attribute i
- QUERY: SELECT '' AS three, * FROM PRIMARY_TBL;
- three|i|t
- -----+-+-----
- |1|one
- |2|two
- |1|three
- |4|three
- |5|one
- (5 rows)
- QUERY: DROP TABLE PRIMARY_TBL;
- QUERY: CREATE TABLE UNIQUE_TBL (i int UNIQUE, t text);
- NOTICE: CREATE TABLE/UNIQUE will create implicit index 'unique_tbl_i_key' for table 'unique_tbl'
- QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (2, 'two');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'three');
- ERROR: Cannot insert a duplicate key into a unique index
- QUERY: INSERT INTO UNIQUE_TBL VALUES (4, 'four');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (5, 'one');
- QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('six');
- QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('seven');
- QUERY: SELECT '' AS five, * FROM UNIQUE_TBL;
- five|i|t
- ----+-+-----
- |1|one
- |2|two
- |4|four
- |5|one
- | |six
- | |seven
- (6 rows)
- QUERY: DROP TABLE UNIQUE_TBL;
- QUERY: CREATE TABLE UNIQUE_TBL (i int, t text,
- UNIQUE(i,t));
- NOTICE: CREATE TABLE/UNIQUE will create implicit index 'unique_tbl_i_key' for table 'unique_tbl'
- QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (2, 'two');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'three');
- QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
- ERROR: Cannot insert a duplicate key into a unique index
- QUERY: INSERT INTO UNIQUE_TBL VALUES (5, 'one');
- QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('six');
- QUERY: SELECT '' AS five, * FROM UNIQUE_TBL;
- five|i|t
- ----+-+-----
- |1|one
- |2|two
- |1|three
- |5|one
- | |six
- (5 rows)
- QUERY: DROP TABLE UNIQUE_TBL;