Error message editing for foreign-key triggers.

This commit is contained in:
Tom Lane 2003-07-22 22:14:57 +00:00
parent fe5de484fe
commit 56f87688c4
5 changed files with 279 additions and 318 deletions

File diff suppressed because it is too large Load Diff

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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: elog.h,v 1.54 2003/07/22 19:00:12 tgl Exp $
* $Id: elog.h,v 1.55 2003/07/22 22:14:57 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -162,7 +162,7 @@
#define ERRCODE_INTEGRITY_CONSTRAINT_VIOLATION MAKE_SQLSTATE('2','3', '0','0','0')
#define ERRCODE_RESTRICT_VIOLATION MAKE_SQLSTATE('2','3', '0','0','1')
#define ERRCODE_NOT_NULL_VIOLATION MAKE_SQLSTATE('2','3', '5','0','2')
#define ERRCODE_FOREIGN_KEY_VALUE_NOT_FOUND MAKE_SQLSTATE('2','3', '5','0','3')
#define ERRCODE_FOREIGN_KEY_VIOLATION MAKE_SQLSTATE('2','3', '5','0','3')
#define ERRCODE_UNIQUE_VIOLATION MAKE_SQLSTATE('2','3', '5','0','5')
#define ERRCODE_CHECK_VIOLATION MAKE_SQLSTATE('2','3', '5','1','4')

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@ -316,7 +316,8 @@ ERROR: column "b" referenced in foreign key constraint does not exist
-- Try (and fail) to add constraint due to invalid data
ALTER TABLE tmp3 add constraint tmpconstr foreign key (a) references tmp2 match full;
NOTICE: ALTER TABLE will create implicit trigger(s) for FOREIGN KEY check(s)
ERROR: tmpconstr referential integrity violation - key (a)=(5) referenced from tmp3 not found in tmp2
ERROR: insert or update on "tmp3" violates foreign key constraint "tmpconstr"
DETAIL: Key (a)=(5) is not present in "tmp2".
-- Delete failing row
DELETE FROM tmp3 where a=5;
-- Try (and succeed)

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@ -248,7 +248,8 @@ SELECT a,b,c,substring(d for 30), length(d) from clstr_tst;
-- Verify that foreign key link still works
INSERT INTO clstr_tst (b, c) VALUES (1111, 'this should fail');
ERROR: clstr_tst_con referential integrity violation - key (b)=(1111) referenced from clstr_tst not found in clstr_tst_s
ERROR: insert or update on "clstr_tst" violates foreign key constraint "clstr_tst_con"
DETAIL: Key (b)=(1111) is not present in "clstr_tst_s".
SELECT conname FROM pg_constraint WHERE conrelid = 'clstr_tst'::regclass;
conname
----------------

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@ -22,7 +22,8 @@ INSERT INTO FKTABLE VALUES (3, 4);
INSERT INTO FKTABLE VALUES (NULL, 1);
-- Insert a failed row into FK TABLE
INSERT INTO FKTABLE VALUES (100, 2);
ERROR: $1 referential integrity violation - key (ftest1)=(100) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (ftest1)=(100) is not present in "pktable".
-- Check FKTABLE
SELECT * FROM FKTABLE;
ftest1 | ftest2
@ -80,13 +81,17 @@ INSERT INTO FKTABLE VALUES (3, 6, 12);
INSERT INTO FKTABLE VALUES (NULL, NULL, 0);
-- Insert failed rows into FK TABLE
INSERT INTO FKTABLE VALUES (100, 2, 4);
ERROR: constrname referential integrity violation - key (ftest1,ftest2)=(100,2) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname"
DETAIL: Key (ftest1,ftest2)=(100,2) is not present in "pktable".
INSERT INTO FKTABLE VALUES (2, 2, 4);
ERROR: constrname referential integrity violation - key (ftest1,ftest2)=(2,2) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname"
DETAIL: Key (ftest1,ftest2)=(2,2) is not present in "pktable".
INSERT INTO FKTABLE VALUES (NULL, 2, 4);
ERROR: constrname referential integrity violation - MATCH FULL doesn't allow mixing of NULL and NON-NULL key values
ERROR: insert or update on "fktable" violates foreign key constraint "constrname"
DETAIL: MATCH FULL does not allow mixing of NULL and non-NULL key values.
INSERT INTO FKTABLE VALUES (1, NULL, 4);
ERROR: constrname referential integrity violation - MATCH FULL doesn't allow mixing of NULL and NON-NULL key values
ERROR: insert or update on "fktable" violates foreign key constraint "constrname"
DETAIL: MATCH FULL does not allow mixing of NULL and non-NULL key values.
-- Check FKTABLE
SELECT * FROM FKTABLE;
ftest1 | ftest2 | ftest3
@ -165,13 +170,17 @@ INSERT INTO FKTABLE VALUES (3, 6, 12);
INSERT INTO FKTABLE VALUES (NULL, NULL, 0);
-- Insert failed rows into FK TABLE
INSERT INTO FKTABLE VALUES (100, 2, 4);
ERROR: constrname2 referential integrity violation - key (ftest1,ftest2)=(100,2) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname2"
DETAIL: Key (ftest1,ftest2)=(100,2) is not present in "pktable".
INSERT INTO FKTABLE VALUES (2, 2, 4);
ERROR: constrname2 referential integrity violation - key (ftest1,ftest2)=(2,2) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname2"
DETAIL: Key (ftest1,ftest2)=(2,2) is not present in "pktable".
INSERT INTO FKTABLE VALUES (NULL, 2, 4);
ERROR: constrname2 referential integrity violation - MATCH FULL doesn't allow mixing of NULL and NON-NULL key values
ERROR: insert or update on "fktable" violates foreign key constraint "constrname2"
DETAIL: MATCH FULL does not allow mixing of NULL and non-NULL key values.
INSERT INTO FKTABLE VALUES (1, NULL, 4);
ERROR: constrname2 referential integrity violation - MATCH FULL doesn't allow mixing of NULL and NON-NULL key values
ERROR: insert or update on "fktable" violates foreign key constraint "constrname2"
DETAIL: MATCH FULL does not allow mixing of NULL and non-NULL key values.
-- Check FKTABLE
SELECT * FROM FKTABLE;
ftest1 | ftest2 | ftest3
@ -250,7 +259,8 @@ INSERT INTO FKTABLE VALUES (3, 4);
INSERT INTO FKTABLE VALUES (NULL, 1);
-- Insert a failed row into FK TABLE
INSERT INTO FKTABLE VALUES (100, 2);
ERROR: $1 referential integrity violation - key (ftest1)=(100) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (ftest1)=(100) is not present in "pktable".
-- Check FKTABLE
SELECT * FROM FKTABLE;
ftest1 | ftest2
@ -274,7 +284,8 @@ SELECT * FROM PKTABLE;
-- Delete a row from PK TABLE (should fail)
DELETE FROM PKTABLE WHERE ptest1=1;
ERROR: $1 referential integrity violation - key (ptest1)=(1) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (ptest1)=(1) is still referenced from "fktable".
-- Delete a row from PK TABLE (should succeed)
DELETE FROM PKTABLE WHERE ptest1=5;
-- Check PKTABLE for deletes
@ -289,7 +300,8 @@ SELECT * FROM PKTABLE;
-- Update a row from PK TABLE (should fail)
UPDATE PKTABLE SET ptest1=0 WHERE ptest1=2;
ERROR: $1 referential integrity violation - key (ptest1)=(2) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (ptest1)=(2) is still referenced from "fktable".
-- Update a row from PK TABLE (should succeed)
UPDATE PKTABLE SET ptest1=0 WHERE ptest1=4;
-- Check PKTABLE for updates
@ -324,7 +336,8 @@ INSERT INTO FKTABLE VALUES (NULL, 2, 7, 4);
INSERT INTO FKTABLE VALUES (NULL, 3, 4, 5);
-- Insert a failed values
INSERT INTO FKTABLE VALUES (1, 2, 7, 6);
ERROR: constrname3 referential integrity violation - key (ftest1,ftest2,ftest3)=(1,2,7) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname3"
DETAIL: Key (ftest1,ftest2,ftest3)=(1,2,7) is not present in "pktable".
-- Show FKTABLE
SELECT * from FKTABLE;
ftest1 | ftest2 | ftest3 | ftest4
@ -338,12 +351,14 @@ SELECT * from FKTABLE;
-- Try to update something that should fail
UPDATE PKTABLE set ptest2=5 where ptest2=2;
ERROR: constrname3 referential integrity violation - key (ptest1,ptest2,ptest3)=(1,2,3) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "constrname3" on "fktable"
DETAIL: Key (ptest1,ptest2,ptest3)=(1,2,3) is still referenced from "fktable".
-- Try to update something that should succeed
UPDATE PKTABLE set ptest1=1 WHERE ptest2=3;
-- Try to delete something that should fail
DELETE FROM PKTABLE where ptest1=1 and ptest2=2 and ptest3=3;
ERROR: constrname3 referential integrity violation - key (ptest1,ptest2,ptest3)=(1,2,3) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "constrname3" on "fktable"
DETAIL: Key (ptest1,ptest2,ptest3)=(1,2,3) is still referenced from "fktable".
-- Try to delete something that should work
DELETE FROM PKTABLE where ptest1=2;
-- Show PKTABLE and FKTABLE
@ -387,7 +402,8 @@ INSERT INTO FKTABLE VALUES (NULL, 2, 7, 4);
INSERT INTO FKTABLE VALUES (NULL, 3, 4, 5);
-- Insert a failed values
INSERT INTO FKTABLE VALUES (1, 2, 7, 6);
ERROR: constrname3 referential integrity violation - key (ftest1,ftest2,ftest3)=(1,2,7) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname3"
DETAIL: Key (ftest1,ftest2,ftest3)=(1,2,7) is not present in "pktable".
-- Show FKTABLE
SELECT * from FKTABLE;
ftest1 | ftest2 | ftest3 | ftest4
@ -485,7 +501,8 @@ INSERT INTO FKTABLE VALUES (NULL, 2, 7, 4);
INSERT INTO FKTABLE VALUES (NULL, 3, 4, 5);
-- Insert a failed values
INSERT INTO FKTABLE VALUES (1, 2, 7, 6);
ERROR: constrname3 referential integrity violation - key (ftest1,ftest2,ftest3)=(1,2,7) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname3"
DETAIL: Key (ftest1,ftest2,ftest3)=(1,2,7) is not present in "pktable".
-- Show FKTABLE
SELECT * from FKTABLE;
ftest1 | ftest2 | ftest3 | ftest4
@ -591,7 +608,8 @@ INSERT INTO FKTABLE VALUES (NULL, 2, 7, 4);
INSERT INTO FKTABLE VALUES (NULL, 3, 4, 5);
-- Insert a failed values
INSERT INTO FKTABLE VALUES (1, 2, 7, 6);
ERROR: constrname3 referential integrity violation - key (ftest1,ftest2,ftest3)=(1,2,7) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname3"
DETAIL: Key (ftest1,ftest2,ftest3)=(1,2,7) is not present in "pktable".
-- Show FKTABLE
SELECT * from FKTABLE;
ftest1 | ftest2 | ftest3 | ftest4
@ -607,7 +625,8 @@ SELECT * from FKTABLE;
-- Try to update something that will fail
UPDATE PKTABLE set ptest2=5 where ptest2=2;
ERROR: constrname3 referential integrity violation - key (ftest1,ftest2,ftest3)=(1,-1,3) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "constrname3"
DETAIL: Key (ftest1,ftest2,ftest3)=(1,-1,3) is not present in "pktable".
-- Try to update something that will set default
UPDATE PKTABLE set ptest1=0, ptest2=5, ptest3=10 where ptest2=2;
UPDATE PKTABLE set ptest2=10 where ptest2=4;
@ -819,17 +838,20 @@ insert into pktable(base1) values (1);
insert into pktable(base1) values (2);
-- let's insert a non-existant fktable value
insert into fktable(ftest1) values (3);
ERROR: $1 referential integrity violation - key (ftest1)=(3) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (ftest1)=(3) is not present in "pktable".
-- let's make a valid row for that
insert into pktable(base1) values (3);
insert into fktable(ftest1) values (3);
-- let's try removing a row that should fail from pktable
delete from pktable where base1>2;
ERROR: $1 referential integrity violation - key (base1)=(3) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (base1)=(3) is still referenced from "fktable".
-- okay, let's try updating all of the base1 values to *4
-- which should fail.
update pktable set base1=base1*4;
ERROR: $1 referential integrity violation - key (base1)=(3) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (base1)=(3) is still referenced from "fktable".
-- okay, let's try an update that should work.
update pktable set base1=base1*4 where base1<3;
-- and a delete that should work
@ -845,17 +867,20 @@ insert into pktable(base1, ptest1) values (1, 1);
insert into pktable(base1, ptest1) values (2, 2);
-- let's insert a non-existant fktable value
insert into fktable(ftest1, ftest2) values (3, 1);
ERROR: $1 referential integrity violation - key (ftest1,ftest2)=(3,1) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (ftest1,ftest2)=(3,1) is not present in "pktable".
-- let's make a valid row for that
insert into pktable(base1,ptest1) values (3, 1);
insert into fktable(ftest1, ftest2) values (3, 1);
-- let's try removing a row that should fail from pktable
delete from pktable where base1>2;
ERROR: $1 referential integrity violation - key (base1,ptest1)=(3,1) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (base1,ptest1)=(3,1) is still referenced from "fktable".
-- okay, let's try updating all of the base1 values to *4
-- which should fail.
update pktable set base1=base1*4;
ERROR: $1 referential integrity violation - key (base1,ptest1)=(3,1) in pktable still referenced from fktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "fktable"
DETAIL: Key (base1,ptest1)=(3,1) is still referenced from "fktable".
-- okay, let's try an update that should work.
update pktable set base1=base1*4 where base1<3;
-- and a delete that should work
@ -876,13 +901,16 @@ insert into pktable (base1, ptest1, base2, ptest2) values (2, 2, 2, 1);
insert into pktable (base1, ptest1, base2, ptest2) values (1, 3, 2, 2);
-- fails (3,2) isn't in base1, ptest1
insert into pktable (base1, ptest1, base2, ptest2) values (2, 3, 3, 2);
ERROR: $1 referential integrity violation - key (base2,ptest2)=(3,2) referenced from pktable not found in pktable
ERROR: insert or update on "pktable" violates foreign key constraint "$1"
DETAIL: Key (base2,ptest2)=(3,2) is not present in "pktable".
-- fails (2,2) is being referenced
delete from pktable where base1=2;
ERROR: $1 referential integrity violation - key (base1,ptest1)=(2,2) in pktable still referenced from pktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "pktable"
DETAIL: Key (base1,ptest1)=(2,2) is still referenced from "pktable".
-- fails (1,1) is being referenced (twice)
update pktable set base1=3 where base1=1;
ERROR: $1 referential integrity violation - key (base1,ptest1)=(1,1) in pktable still referenced from pktable
ERROR: update or delete on "pktable" violates foreign key constraint "$1" on "pktable"
DETAIL: Key (base1,ptest1)=(1,1) is still referenced from "pktable".
-- this sequence of two deletes will work, since after the first there will be no (2,*) references
delete from pktable where base2=2;
delete from pktable where base1=2;
@ -963,7 +991,8 @@ NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "fktable_pkey" fo
NOTICE: CREATE TABLE will create implicit trigger(s) for FOREIGN KEY check(s)
-- default to immediate: should fail
INSERT INTO fktable VALUES (5, 10);
ERROR: $1 referential integrity violation - key (fk)=(10) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (fk)=(10) is not present in "pktable".
-- explicitely defer the constraint
BEGIN;
SET CONSTRAINTS ALL DEFERRED;
@ -993,7 +1022,8 @@ BEGIN;
SET CONSTRAINTS ALL IMMEDIATE;
-- should fail
INSERT INTO fktable VALUES (500, 1000);
ERROR: $1 referential integrity violation - key (fk)=(1000) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (fk)=(1000) is not present in "pktable".
COMMIT;
DROP TABLE fktable, pktable;
-- tricky behavior: according to SQL99, if a deferred constraint is set
@ -1017,7 +1047,8 @@ SET CONSTRAINTS ALL DEFERRED;
INSERT INTO fktable VALUES (1000, 2000);
-- should cause transaction abort, due to preceding error
SET CONSTRAINTS ALL IMMEDIATE;
ERROR: $1 referential integrity violation - key (fk)=(2000) referenced from fktable not found in pktable
ERROR: insert or update on "fktable" violates foreign key constraint "$1"
DETAIL: Key (fk)=(2000) is not present in "pktable".
INSERT INTO pktable VALUES (2000, 3); -- too late
ERROR: current transaction is aborted, queries ignored until end of transaction block
COMMIT;