1997-09-16 18:17:19 +02:00
|
|
|
QUERY: CREATE TABLE DEFAULT_TBL (i int DEFAULT 100,
|
1997-12-05 01:01:22 +01:00
|
|
|
x text DEFAULT 'vadim', f float8 DEFAULT 123.456);
|
1997-09-16 18:17:19 +02:00
|
|
|
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);
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: INSERT INTO DEFAULT_TBL (x) VALUES ('marc');
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO DEFAULT_TBL VALUES (3, null, 1.0);
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS five, * FROM DEFAULT_TBL;
|
|
|
|
five| i|x | f
|
1997-09-16 18:17:19 +02:00
|
|
|
----+---+------+-------
|
|
|
|
| 1|thomas|57.0613
|
|
|
|
| 1|bruce |123.456
|
|
|
|
| 2|vadim |987.654
|
1997-12-05 01:01:22 +01:00
|
|
|
|100|marc |123.456
|
1997-10-17 11:59:09 +02:00
|
|
|
| 3| | 1
|
|
|
|
(5 rows)
|
1997-09-16 18:17:19 +02:00
|
|
|
|
|
|
|
QUERY: CREATE SEQUENCE DEFAULT_SEQ;
|
|
|
|
QUERY: CREATE TABLE DEFAULTEXPR_TBL (i1 int DEFAULT 100 + (200-199) * 2,
|
1997-12-05 01:01:22 +01:00
|
|
|
i2 int DEFAULT nextval('default_seq'));
|
1997-09-16 18:17:19 +02:00
|
|
|
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
|
1997-10-17 11:59:09 +02:00
|
|
|
|102|
|
1997-09-16 18:17:19 +02:00
|
|
|
(4 rows)
|
|
|
|
|
|
|
|
QUERY: CREATE TABLE error_tbl (i int DEFAULT (100, ));
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: parser: parse error at or near ","
|
1999-11-20 22:41:31 +01:00
|
|
|
QUERY: CREATE TABLE error_tbl (b1 bool DEFAULT 1 IN (1, 2));
|
|
|
|
ERROR: parser: parse error at or near "in"
|
|
|
|
QUERY: CREATE TABLE error_tbl (b1 bool DEFAULT (1 IN (1, 2)));
|
1999-10-04 01:55:40 +02:00
|
|
|
QUERY: DROP TABLE error_tbl;
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: CREATE TABLE CHECK_TBL (x int,
|
|
|
|
CONSTRAINT CHECK_CON CHECK (x > 3));
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (5);
|
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (4);
|
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (3);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint check_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (2);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint check_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (6);
|
|
|
|
QUERY: INSERT INTO CHECK_TBL VALUES (1);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint check_con
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS three, * FROM CHECK_TBL;
|
|
|
|
three|x
|
|
|
|
-----+-
|
|
|
|
|5
|
|
|
|
|4
|
|
|
|
|6
|
|
|
|
(3 rows)
|
|
|
|
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: CREATE SEQUENCE CHECK_SEQ;
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: CREATE TABLE CHECK2_TBL (x int, y text, z int,
|
|
|
|
CONSTRAINT SEQUENCE_CON
|
|
|
|
CHECK (x > 3 and y <> 'check failed' and z < 8));
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (4, 'check ok', -2);
|
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (1, 'x check failed', -2);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (5, 'z check failed', 10);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (0, 'check failed', -2);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (6, 'check failed', 11);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint sequence_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO CHECK2_TBL VALUES (7, 'check ok', 7);
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS two, * from CHECK2_TBL;
|
|
|
|
two|x|y | z
|
|
|
|
---+-+--------+--
|
|
|
|
|4|check ok|-2
|
|
|
|
|7|check ok| 7
|
|
|
|
(2 rows)
|
|
|
|
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: CREATE SEQUENCE INSERT_SEQ;
|
|
|
|
QUERY: CREATE TABLE INSERT_TBL (x INT DEFAULT nextval('insert_seq'),
|
1997-12-05 01:01:22 +01:00
|
|
|
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));
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL VALUES (null, null, null);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint $2
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(x,z) VALUES (2, -2);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS zero, * FROM INSERT_TBL;
|
|
|
|
zero|x|y|z
|
|
|
|
----+-+-+-
|
1997-08-28 06:49:34 +02:00
|
|
|
(0 rows)
|
|
|
|
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT 'one' AS one, nextval('insert_seq');
|
|
|
|
one|nextval
|
|
|
|
---+-------
|
|
|
|
one| 1
|
1997-08-28 06:49:34 +02:00
|
|
|
(1 row)
|
|
|
|
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
|
|
|
|
QUERY: INSERT INTO INSERT_TBL(x,z) VALUES (1, -2);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint $2
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(z,x) VALUES (-7, 7);
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL VALUES (5, 'check failed', -5);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL VALUES (7, '!check failed', -7);
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(y) VALUES ('-!NULL-');
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS four, * FROM INSERT_TBL;
|
|
|
|
four|x|y | z
|
|
|
|
----+-+-------------+--
|
|
|
|
|3|Y |-3
|
|
|
|
|7|-NULL- |-7
|
|
|
|
|7|!check failed|-7
|
|
|
|
|4|-!NULL- |-4
|
1997-08-28 06:49:34 +02:00
|
|
|
(4 rows)
|
|
|
|
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(y,z) VALUES ('check failed', 4);
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint $2
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(x,y) VALUES (5, 'check failed');
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: INSERT INTO INSERT_TBL(x,y) VALUES (5, '!check failed');
|
|
|
|
QUERY: INSERT INTO INSERT_TBL(y) VALUES ('-!NULL-');
|
1997-12-05 01:01:22 +01:00
|
|
|
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
|
1997-10-17 11:59:09 +02:00
|
|
|
(6 rows)
|
1997-08-28 06:49:34 +02:00
|
|
|
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT 'seven' AS one, nextval('insert_seq');
|
|
|
|
one |nextval
|
|
|
|
-----+-------
|
|
|
|
seven| 7
|
1997-10-17 11:59:09 +02:00
|
|
|
(1 row)
|
|
|
|
|
|
|
|
QUERY: INSERT INTO INSERT_TBL(y) VALUES ('Y');
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT 'eight' AS one, currval('insert_seq');
|
|
|
|
one |currval
|
|
|
|
-----+-------
|
|
|
|
eight| 8
|
1997-08-28 06:49:34 +02:00
|
|
|
(1 row)
|
|
|
|
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: DELETE FROM INSERT_TBL;
|
|
|
|
QUERY: DROP SEQUENCE INSERT_SEQ;
|
|
|
|
QUERY: CREATE SEQUENCE INSERT_SEQ START 4;
|
1999-02-02 04:45:56 +01:00
|
|
|
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;
|
1998-01-06 20:25:19 +01:00
|
|
|
NOTICE: insert_seq.nextval: sequence was re-created
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS three, * FROM INSERT_TBL;
|
|
|
|
three|x|y | z
|
|
|
|
-----+-+-------------+--
|
|
|
|
|4|Y |-4
|
|
|
|
|5|!check failed|-5
|
|
|
|
|6|try again |-6
|
1997-08-28 06:49:34 +02:00
|
|
|
(3 rows)
|
|
|
|
|
1999-02-02 04:45:56 +01:00
|
|
|
QUERY: INSERT INTO INSERT_TBL SELECT * FROM tmp WHERE yd = 'try again';
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint $2
|
1999-02-02 04:45:56 +01:00
|
|
|
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';
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: rejected due to CHECK constraint insert_con
|
1997-12-05 01:01:22 +01:00
|
|
|
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
|
1997-09-16 18:17:19 +02:00
|
|
|
(4 rows)
|
|
|
|
|
1999-02-02 04:45:56 +01:00
|
|
|
QUERY: DROP TABLE tmp;
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: UPDATE INSERT_TBL SET x = NULL WHERE x = 6;
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecReplace: rejected due to CHECK constraint $2
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: UPDATE INSERT_TBL SET x = 6 WHERE x = 6;
|
|
|
|
QUERY: UPDATE INSERT_TBL SET x = -z, z = -x;
|
1997-10-17 11:59:09 +02:00
|
|
|
QUERY: UPDATE INSERT_TBL SET x = z, z = x;
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecReplace: rejected due to CHECK constraint insert_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: SELECT * FROM INSERT_TBL;
|
|
|
|
x|y | z
|
|
|
|
-+-------------+--
|
1997-10-17 11:59:09 +02:00
|
|
|
4|Y |-4
|
1997-09-16 18:17:19 +02:00
|
|
|
5|!check failed|-5
|
|
|
|
7|try again |-7
|
|
|
|
6|try again |-6
|
|
|
|
(4 rows)
|
|
|
|
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: CREATE TABLE COPY_TBL (x INT, y TEXT, z INT,
|
|
|
|
CONSTRAINT COPY_CON
|
|
|
|
CHECK (x > 3 AND y <> 'check failed' AND x < 7 ));
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: COPY COPY_TBL FROM '_OBJWD_/data/constro.data';
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: SELECT '' AS two, * FROM COPY_TBL;
|
|
|
|
two|x|y |z
|
|
|
|
---+-+-------------+-
|
|
|
|
|4|!check failed|5
|
|
|
|
|6|OK |4
|
1997-10-17 11:59:09 +02:00
|
|
|
(2 rows)
|
1997-08-28 06:49:34 +02:00
|
|
|
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: COPY COPY_TBL FROM '_OBJWD_/data/constrf.data';
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: CopyFrom: rejected due to CHECK constraint copy_con
|
1997-09-16 18:17:19 +02:00
|
|
|
QUERY: SELECT * FROM COPY_TBL;
|
1997-10-17 11:59:09 +02:00
|
|
|
x|y |z
|
|
|
|
-+-------------+-
|
|
|
|
4|!check failed|5
|
|
|
|
6|OK |4
|
|
|
|
(2 rows)
|
1997-08-28 06:49:34 +02:00
|
|
|
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: CREATE TABLE PRIMARY_TBL (i int PRIMARY KEY, t text);
|
1999-05-12 09:24:01 +02:00
|
|
|
NOTICE: CREATE TABLE/PRIMARY KEY will create implicit index 'primary_tbl_pkey' for table 'primary_tbl'
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'one');
|
|
|
|
QUERY: INSERT INTO PRIMARY_TBL VALUES (2, 'two');
|
|
|
|
QUERY: INSERT INTO PRIMARY_TBL VALUES (1, 'three');
|
1999-11-27 18:56:18 +01:00
|
|
|
ERROR: Cannot insert a duplicate key into unique index primary_tbl_pkey
|
1997-12-05 01:01:22 +01:00
|
|
|
QUERY: INSERT INTO PRIMARY_TBL VALUES (4, 'three');
|
|
|
|
QUERY: INSERT INTO PRIMARY_TBL VALUES (5, 'one');
|
|
|
|
QUERY: INSERT INTO PRIMARY_TBL (t) VALUES ('six');
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: Fail to add null value in not null attribute i
|
1997-12-05 01:01:22 +01:00
|
|
|
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));
|
1999-05-12 09:24:01 +02:00
|
|
|
NOTICE: CREATE TABLE/PRIMARY KEY will create implicit index 'primary_tbl_pkey' for table 'primary_tbl'
|
1997-12-05 01:01:22 +01:00
|
|
|
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');
|
1998-01-06 20:25:19 +01:00
|
|
|
ERROR: ExecAppend: Fail to add null value in not null attribute i
|
1997-12-05 01:01:22 +01:00
|
|
|
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;
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QUERY: CREATE TABLE UNIQUE_TBL (i int UNIQUE, t text);
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1999-05-12 09:24:01 +02:00
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NOTICE: CREATE TABLE/UNIQUE will create implicit index 'unique_tbl_i_key' for table 'unique_tbl'
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1997-12-05 01:01:22 +01:00
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QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (2, 'two');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'three');
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1999-11-27 18:56:18 +01:00
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ERROR: Cannot insert a duplicate key into unique index unique_tbl_i_key
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1997-12-05 01:01:22 +01:00
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QUERY: INSERT INTO UNIQUE_TBL VALUES (4, 'four');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (5, 'one');
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QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('six');
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QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('seven');
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QUERY: SELECT '' AS five, * FROM UNIQUE_TBL;
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five|i|t
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----+-+-----
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|1|one
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|2|two
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|4|four
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|5|one
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| |six
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| |seven
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(6 rows)
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QUERY: DROP TABLE UNIQUE_TBL;
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QUERY: CREATE TABLE UNIQUE_TBL (i int, t text,
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UNIQUE(i,t));
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1999-05-12 09:24:01 +02:00
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NOTICE: CREATE TABLE/UNIQUE will create implicit index 'unique_tbl_i_key' for table 'unique_tbl'
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1997-12-05 01:01:22 +01:00
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QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (2, 'two');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'three');
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QUERY: INSERT INTO UNIQUE_TBL VALUES (1, 'one');
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1999-11-27 18:56:18 +01:00
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ERROR: Cannot insert a duplicate key into unique index unique_tbl_i_key
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1997-12-05 01:01:22 +01:00
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QUERY: INSERT INTO UNIQUE_TBL VALUES (5, 'one');
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QUERY: INSERT INTO UNIQUE_TBL (t) VALUES ('six');
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QUERY: SELECT '' AS five, * FROM UNIQUE_TBL;
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five|i|t
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----+-+-----
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|1|one
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|2|two
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|1|three
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|5|one
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| |six
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(5 rows)
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QUERY: DROP TABLE UNIQUE_TBL;
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