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37 Commits

Author SHA1 Message Date
drh
9148defa61 Enhance the error message for "foreign key mismatch" to include the names of 
the child and parent tables.  Begin adding test cases for 
PRAGMA foreign_key_check.  Make sure PRAGMA foreign_key_check gets all
necessary table locks.

FossilOrigin-Name: 0f9963526c299757ff95c153fb05a67cddb6af28
 2012-12-17 20:40:39 +00:00
drh
602acb4871 Add the SQLITE_OMIT_AUTORESET compile-time option which if enabled causes 
the sqlite3_step() routine to return SQLITE_MISUSE if it is called after
it has previously returned anything other than SQLITE_ROW, SQLITE_BUSY, or
SQLITE_LOCKED.

FossilOrigin-Name: 053ce76deb356d31358454507ba94947142e20ca
 2011-01-17 17:42:37 +00:00
drh
6cbda64d07 Correct handling of compound foreign key constraints that include the 
integer primary key as one of the columns.  
Ticket [ce7c133ea6cc9ccdc1]

FossilOrigin-Name: 53902f7d4a46aa70ecc5bf180a01ff888d52686a
 2010-07-29 01:50:38 +00:00
dan
a7a0c615d7 Add tests to fkey2.test to check that ON CONFLICT clauses do not affect SQLite's behaviour when an FK constraint is violated. 
FossilOrigin-Name: e9e5b1001986348ef0f88c19de87b94559a5451e
 2010-05-29 08:40:37 +00:00
drh
5c092e8a4f Make sure the value of an INTEGER PRIMARY KEY column supplied to triggers 
and especially to FK constraints really contains the ROWID and not the
NULL that is stored in the column itself.  Ticket [dd08e5a988d00dec].

FossilOrigin-Name: 636f86095eb1f4bdcfb0c9ed846c4c6b3589c10b
 2010-05-14 19:24:02 +00:00
dan
6908343c65 Zero the "immediate FK constraint counter" associated with a statement object when sqlite3_reset() is called. Fix for [c39ff61c43]. 
FossilOrigin-Name: f660be615a0c1f4641782a83744533f5d3119218
 2010-04-29 22:57:56 +00:00
drh
3674bfd1b6 Change sqlite3_step() so that it automatically calls sqlite3_reset() instead 
of returning SQLITE_MISUSE when invoked on a prepared statement that
previously returned any value other than SQLITE_ROW.

FossilOrigin-Name: 3e646e3f4cd0ca288e444561e951cecfdaee2ab5
 2010-04-17 12:53:19 +00:00
drh
9a6ffc845b Fix the ALTER TABLE RENAME command so that it converts FOREIGN KEY constraints 
in ATTACH-ed and in TEMP tables as well as in the main database.
Ticket [13336e9c3c8c3f].

FossilOrigin-Name: ab197d0aaf18016ac2dd3674f49bea5f1556451c
 2010-02-15 18:03:20 +00:00
dan
f589450dc9 Add some tests of statements in foreignkeys.html. 
FossilOrigin-Name: 8382867956caf20f62c46c15b456c1c16d0824fd
 2009-10-07 18:41:19 +00:00
dan
02470b20f3 Handle an SQLITE_IGNORE returned when requesting authorization to read parent key columns by pretending the parent key columns contain NULL values. 
FossilOrigin-Name: 3c24df38e6ae5dfe999bbf3133b65df0074c6a50
 2009-10-03 07:04:11 +00:00
dan
251ad6e1c5 Add one more authentication test to fkey2.test to cover an untested branch. 
FossilOrigin-Name: e4fa8be770eb79806d489be46f68f969de17378b
 2009-10-02 15:29:10 +00:00
dan
47a06346ff When inserting a row into a child table, invoke the authorization callback to request permission to read the parent key columns. 
FossilOrigin-Name: 9842f2d5f606eb8f641ecae9fbc5368b8d7e4286
 2009-10-02 14:23:41 +00:00
dan
3d7b046996 Add test cases to cover the branches added by the previous commit. 
FossilOrigin-Name: aaa005b6da222f711f201c453d28f5be40e9c601
 2009-10-01 17:13:31 +00:00
dan
e7a94d8128 If an update does not modify any child or parent key columns, omit foreign key processing for the statement. 
FossilOrigin-Name: edff3500058eb8ad2381f855ef7a09ecb680f7b8
 2009-10-01 16:09:04 +00:00
dan
d583502e7d Add tests to check that FK support interacts with count-changes correctly. 
FossilOrigin-Name: 5b8366154b2a91c1be3e7e52ec270ecdfe7d2bb1
 2009-10-01 04:35:05 +00:00
dan
f7a94543b8 Remove unreachable branches from fkey.c. Add a few tests to cover the remaining branches. 
FossilOrigin-Name: 0a0a17d87c990a811a2755b9d9d4141b611b49db
 2009-09-30 08:11:07 +00:00
dan
652ac1d0a7 Use the affinity and collation sequence associated with the parent key when finding child table rows to apply a foreign key action to. 
FossilOrigin-Name: 9a4b7ec2928307e88783223903c842accaff7ccf
 2009-09-29 16:38:59 +00:00
dan
9707c7b104 Check that a unique index uses the default collation sequences for each column before using it as part of a foreign key constraint operation. 
FossilOrigin-Name: 64154174cf8a53bd9be818db53cb0e586c5d24cb
 2009-09-29 15:41:57 +00:00
dan
792e92012f Remove an unused variable from fkey.c. 
FossilOrigin-Name: 582bd7682831362cd0e2f91ac0dba5ab2b7e2983
 2009-09-29 11:28:51 +00:00
dan
856ef1a5f9 Various fixes so that "make test" works with OMIT_FOREIGN_KEY, OMIT_TRIGGER and OMIT_ALTER_TABLE. 
FossilOrigin-Name: e4eb227b14e4bfcb9f7f284692a391b7355f0204
 2009-09-29 06:33:23 +00:00
dan
f0662567fa Ignore foreign key mismatch errors while compiling DROP TABLE commands. 
FossilOrigin-Name: 5b4d46374a8e808246a1813c12c36c4a75371898
 2009-09-28 18:52:11 +00:00
dan
d66c83095e Fix the DROP TABLE command so that it cannot be used to bypass foreign key constraints (if foreign key support is enabled). 
FossilOrigin-Name: 8353808c9e70412fdee31bfda7810e948f1c7485
 2009-09-28 14:49:01 +00:00
dan
9277efa3d5 Fix some foreign key constraint related problems that occur when a row refers to itself. 
FossilOrigin-Name: 9e503e2d0428c9e8df878c7c6594790232cca4e0
 2009-09-28 11:54:21 +00:00
dan
432cc5b9f3 When ALTER TABLE RENAME TO is used to change the name of a table that is the parent table of a foreign key constraint, modify that foreign key constraint to use the new table name. 
FossilOrigin-Name: b4a10c39e726dc190e9597e382baddc034294114
 2009-09-26 17:51:48 +00:00
dan
0ff297eaa7 Avoid checking if an insert or delete has "fixed" an outstanding FK constraint violation if the constraint counter indicates that the database contains no such violations. 
FossilOrigin-Name: 519144ac437b5842e4213f0e81e05c709939c2ab
 2009-09-25 17:03:14 +00:00
dan
bd74783270 Fix comments in fkey2.c to reflect the immediate-constraint-counter approach. 
FossilOrigin-Name: 9fd54b0aa73ed74c65f7db53cb666752f13263f9
 2009-09-25 12:00:01 +00:00
dan
53c3fa8dbe Prevent ALTER TABLE from being used to add a column with a REFERENCES clause and a non-NULL default value while foreign key support is enabled. 
FossilOrigin-Name: 353b1b18253ab71ba38a887e555994f5469b87bd
 2009-09-25 11:26:54 +00:00
dan
140026bdb5 Fixes and test cases to make sure the affinity and collation sequence associated with the parent key is used when comparing it with a child key value. 
FossilOrigin-Name: 76e8e74b49be4c80b9fb20d52e9b39db8001362e
 2009-09-24 18:19:41 +00:00
dan
1bea559a94 Ensure foreign key related processing takes place when rows are deleted from the database by REPLACE conflict handling. 
FossilOrigin-Name: 3f40c142c8526c1572020bd4d945c03a72019135
 2009-09-24 11:31:21 +00:00
dan
32b09f29c9 Do not check immediate foreign key constraints until the end of the statement. This matches the postgres behaviour. 
FossilOrigin-Name: 1a32149cc3c722058f4ed4c81edadeb6ce5bc9e4
 2009-09-23 17:29:59 +00:00
dan
d981d44781 Disallow using the implicit rowid column as the parent key of an FK constraint. 
FossilOrigin-Name: a5f7e71f424900071a3925e53e9128c9148ea2e8
 2009-09-23 13:59:17 +00:00
dan
a8f0bf643e Add extra tests for foreign key support. 
FossilOrigin-Name: 7d086afe69da4d03bd1de5408626858273f91e8f
 2009-09-23 12:06:52 +00:00
dan
934ce300a0 Fix a problem with ON DELETE SET DEFAULT actions. 
FossilOrigin-Name: 9406995055f53639b0af46985c7b0a24a80308ae
 2009-09-22 16:08:58 +00:00
dan
29c7f9caac Fix an OOM related crash in fkey.c. 
FossilOrigin-Name: 635d6a775a3f192d4292738905f5e01bc956a712
 2009-09-22 15:53:47 +00:00
dan
3606264bc9 Fix a problem with foreign key constraints that map from and IPK column. 
FossilOrigin-Name: 84129052623dc6a175c76db602ab07fa3e57f1eb
 2009-09-21 18:56:23 +00:00
dan
75cbd984f7 Fix compilation with OMIT_TRIGGER defined. Ticket [1ff6d29030e9757d052af0f394e56bea96b8b59b|1ff6d29030]. 
FossilOrigin-Name: fb6ceed388f6d75bdc2ac2f43e5c98da74e2a448
 2009-09-21 16:06:03 +00:00
dan
1da40a381f Check in implementation of foreign key constraints. 
FossilOrigin-Name: d5d399811876391642937edeb9e8434dd9e356f5
 2009-09-19 17:00:31 +00:00