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If an update does not modify any child or parent key columns, omit foreign key processing for the statement.

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FossilOrigin-Name: edff3500058eb8ad2381f855ef7a09ecb680f7b8
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dan
2009-10-01 16:09:04 +00:00
parent d583502e7d
commit e7a94d8128
9 changed files with 94 additions and 59 deletions
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9
test/fkey2.test
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@ -70,6 +70,9 @@ ifcapable {!foreignkey||!trigger} {
#
# fkey2-17.*: Test that the "count_changes" pragma does not interfere with
# FK constraint processing.
#
# fkey2-18.*: Test that the authorization callback is invoked when processing
# FK constraints.
#
# fkey2-genfkey.*: Tests that were used with the shell tool .genfkey
# command. Recycled to test the built-in implementation.
@ -136,6 +139,8 @@ set FkeySimpleTests {
4.12 "UPDATE t7 SET b = 2" {1 {foreign key constraint failed}}
4.13 "UPDATE t7 SET b = 1" {0 {}}
4.14 "INSERT INTO t8 VALUES('a', 'b')" {1 {foreign key constraint failed}}
4.15 "UPDATE t7 SET b = 5" {1 {foreign key constraint failed}}
4.16 "UPDATE t7 SET rowid = 5" {1 {foreign key constraint failed}}
5.1 "INSERT INTO t9 VALUES(1, 3)" {1 {no such table: main.nosuchtable}}
5.2 "INSERT INTO t10 VALUES(1, 3)" {1 {foreign key mismatch}}
@ -1343,6 +1348,10 @@ do_test fkey2-17.2.10 {
execsql { SELECT * FROM high ; SELECT * FROM low }
} {}
#-------------------------------------------------------------------------
# Test that the authorization callback works.
#
execsql { PRAGMA count_changes = 0 }
#-------------------------------------------------------------------------