#--------------------------------------------------------------------
+# Basic tests.
#
-
proc populate_db {} {
drop_all_tables
execsql {
do_execsql_test 2.$tn.4 { PRAGMA defer_foreign_keys } {0}
}
+#--------------------------------------------------------------------
+# Test that a cyclic relationship can be inserted and deleted.
+#
+# This situation does not come up in practice, but testing it serves to
+# show that it does not matter which order parent and child keys
+# are processed in internally when applying a changeset.
+#
+drop_all_tables
+
+do_execsql_test 3.1 {
+ CREATE TABLE t1(a PRIMARY KEY, b);
+ CREATE TABLE t2(x PRIMARY KEY, y);
+}
+
+# Create changesets as follows:
+#
+# $cc1 - Insert a row into t1.
+# $cc2 - Insert a row into t2.
+# $cc - Combination of $cc1 and $cc2.
+#
+# $ccdel1 - Delete the row from t1.
+# $ccdel2 - Delete the row from t2.
+# $ccdel - Combination of $cc1 and $cc2.
+#
+do_test 3.2 {
+ set cc1 [capture_changeset {
+ INSERT INTO t1 VALUES('one', 'value one');
+ }]
+ set ccdel1 [capture_changeset { DELETE FROM t1; }]
+ set cc2 [capture_changeset {
+ INSERT INTO t2 VALUES('value one', 'one');
+ }]
+ set ccdel2 [capture_changeset { DELETE FROM t2; }]
+ set cc [capture_changeset {
+ INSERT INTO t1 VALUES('one', 'value one');
+ INSERT INTO t2 VALUES('value one', 'one');
+ }]
+ set ccdel [capture_changeset {
+ DELETE FROM t1;
+ DELETE FROM t2;
+ }]
+ set {} {}
+} {}
+
+# Now modify the database schema to create a cyclic foreign key dependency
+# between tables t1 and t2. This means that although changesets $cc and
+# $ccdel can be applied, none of the others may without violating the
+# foreign key constraints.
+#
+do_test 3.3 {
+
+ drop_all_tables
+ execsql {
+ CREATE TABLE t1(a PRIMARY KEY, b REFERENCES t2);
+ CREATE TABLE t2(x PRIMARY KEY, y REFERENCES t1);
+ }
+
+
+ proc conflict_handler {args} { return "ABORT" }
+ sqlite3changeset_apply db $cc conflict_handler
+
+ execsql {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+ }
+} {one {value one} {value one} one}
+
+do_test 3.3.1 {
+ list [catch {sqlite3changeset_apply db $::ccdel1 conflict_handler} msg] $msg
+} {1 SQLITE_CONSTRAINT}
+do_test 3.3.2 {
+ list [catch {sqlite3changeset_apply db $::ccdel2 conflict_handler} msg] $msg
+} {1 SQLITE_CONSTRAINT}
+
+do_test 3.3.4.1 {
+ list [catch {sqlite3changeset_apply db $::ccdel conflict_handler} msg] $msg
+} {0 {}}
+do_execsql_test 3.3.4.2 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {}
+
+do_test 3.5.1 {
+ list [catch {sqlite3changeset_apply db $::cc1 conflict_handler} msg] $msg
+} {1 SQLITE_CONSTRAINT}
+do_test 3.5.2 {
+ list [catch {sqlite3changeset_apply db $::cc2 conflict_handler} msg] $msg
+} {1 SQLITE_CONSTRAINT}
+
+#--------------------------------------------------------------------
+# Test that if a change that affects FK processing is not applied
+# due to a separate constraint, SQLite does not get confused and
+# increment FK counters anyway.
+#
+drop_all_tables
+do_execsql_test 4.1 {
+ CREATE TABLE p1(x PRIMARY KEY, y);
+ CREATE TABLE c1(a PRIMARY KEY, b REFERENCES p1);
+ INSERT INTO p1 VALUES(1,1);
+}
+
+do_execsql_test 4.2.1 {
+ BEGIN;
+ PRAGMA defer_foreign_keys = 1;
+ INSERT INTO c1 VALUES('x', 'x');
+}
+do_catchsql_test 4.2.2 { COMMIT } {1 {foreign key constraint failed}}
+do_catchsql_test 4.2.3 { ROLLBACK } {0 {}}
+
+do_execsql_test 4.3.1 {
+ BEGIN;
+ PRAGMA defer_foreign_keys = 1;
+ INSERT INTO c1 VALUES(1, 1);
+}
+do_catchsql_test 4.3.2 {
+ INSERT INTO c1 VALUES(1, 'x')
+} {1 {column a is not unique}}
+
+do_catchsql_test 4.3.3 { COMMIT } {0 {}}
+do_catchsql_test 4.3.4 { BEGIN ; COMMIT } {0 {}}
+
finish_test
+
-C Experimental\schange\sto\sthe\shandling\sof\sforeign\skey\sconstraint\sviolations\swhen\sapplying\sa\schangeset:\sall\sforeign\skeys,\simmediate\sand\sdeferred,\sare\sdeferred\suntil\sthe\send\sof\sthe\stransaction\s(or\ssub-transaction)\sopened\sby\sthe\ssqlite3changeset_apply().\sA\ssingle\scall\sto\sthe\sconflict-handler\s(if\sany)\sis\smade\sif\sany\sFK\sconstraint\sviolations\sare\sstill\spresent\sin\sthe\sdatabase\sat\sthis\spoint.\sThe\sconflict-handler\smay\schoose\sto\srollback\sthe\schangeset,\sor\sto\sapply\sit,\sconstraint\sviolations\sand\sall.
-D 2013-07-03T19:53:05.693
+C Fix\sa\sbug\spreventing\ssome\sFK\sconstraint\schecking\sfrom\sbeing\sdeferred\suntil\sthe\send\sof\schangeset\sapplication.
+D 2013-07-04T15:22:53.953
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in aff38bc64c582dd147f18739532198372587b0f0
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
F ext/session/session5.test 8fdfaf9dba28a2f1c6b89b06168bdab1fef2d478
F ext/session/session6.test 443789bc2fca12e4f7075cf692c60b8a2bea1a26
F ext/session/session8.test 7d35947ad329b8966f095d34f9617a9eff52dc65
-F ext/session/session9.test 3378ceace4e291dda8512b83d256be51aac5344e
+F ext/session/session9.test 43acfdc57647c2ce4b36dbd0769112520ea6af14
F ext/session/session_common.tcl 1539d8973b2aea0025c133eb0cc4c89fcef541a5
F ext/session/sessionfault.test 496291b287ba3c0b14ca2e074425e29cc92a64a6
F ext/session/sqlite3session.c 80903fe2c24c8a9e7ccacebca1855a31ebebbbc3
F src/delete.c 39a770e9729b1acd2de347f8f614584841d0083e
F src/expr.c 2b47ae9da6c9f34eff6736962ea2e102c6c4a755
F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
-F src/fkey.c ddd160ce0b81f092165f72d84c356d49c903a3ad
+F src/fkey.c 87619fc3a9b6ab6877388bbcc05cdb136503786e
F src/func.c 5c50c1ea31fd864b0fe921fe1a8d4c55acd609ef
F src/global.c 5caf4deab621abb45b4c607aad1bd21c20aac759
F src/hash.c ac3470bbf1ca4ae4e306a8ecb0fdf1731810ffe4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/wherecosttest.c f407dc4c79786982a475261866a161cd007947ae
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P c2972b6aed23f6c76a289534de9ea4732a48f40e
-R 1e1bb18e922bc4e9bb6b2e837b9cd1c8
+P 1d44e5d3c2b1dc958442f9114a960b256e002ed3
+R 28f75ac347bd281672cb0a8d27d3f6b3
U dan
-Z 8c44f70721e5b391cc002040c9d1eb51
+Z 01296a7a6fdc241a613ea24758428ad2
projects / thirdparty / sqlite.git / commitdiff
