-C Remove\sunnecessary\smemset()\scalls\sfrom\stest\scode.
-D 2013-10-03T11:27:56.219
+C Return\san\serror\sif\san\sattempt\sis\smade\sto\screate\sa\strigger\swith\san\sSQL\svariable\sembedded\swithin\sit.\sIf\ssuch\sa\svariable\sreference\sis\sfound\swithin\sa\strigger\sdefinition\sloaded\sfrom\sthe\ssqlite_master\stable,\ssilently\sreplace\sit\swith\sa\sNULL.
+D 2013-10-03T12:29:38.279
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 5e41da95d92656a5004b03d3576e8b226858a28e
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
F src/alter.c 2af0330bb1b601af7a7789bf7229675fd772a083
F src/analyze.c d322972af09e3f8debb45f420dfe3ded142b108b
-F src/attach.c 4a2b6a6d9b5f9fd55a8b59488ff7929fef73a195
+F src/attach.c 64859892b2a922c36c936f22dbce40e3c8044749
F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
F src/backup.c 2f1987981139bd2f6d8c728d64bf09fb387443c3
F src/bitvec.c 19a4ba637bd85f8f63fc8c9bae5ade9fb05ec1cb
F src/sqlite.h.in ec40aa958a270416fb04b4f72210357bf163d2c5
F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
-F src/sqliteInt.h 18c7f80e7e23098942436f7286e9c93adc6908be
+F src/sqliteInt.h d759d22c3c4c8e88ccd550c7aa174a190ca768f6
F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
F src/status.c 7ac05a5c7017d0b9f0b4bcd701228b784f987158
F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
F src/test_vfstrace.c 34b544e80ba7fb77be15395a609c669df2e660a2
F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
F src/tokenize.c 70061085a51f2f4fc15ece94f32c03bcb78e63b2
-F src/trigger.c 5c0ea9b8755e7c5e1a700f3e27ac4f8d92dd221e
+F src/trigger.c 9e6976b6d67de26bbaabb361f28a90b799d80434
F src/update.c f5182157f5d0d0a97bc5f5e3c9bdba0dfbe08f08
F src/utf.c 6fc6c88d50448c469c5c196acf21617a24f90269
F src/util.c 7f3e35432d6888d1e770c488c35bd98970c44eec
F test/triggerB.test 56780c031b454abac2340dbb3b71ac5c56c3d7fe
F test/triggerC.test a7b4367392c755bc5fd5fff88011753e6b6afe90
F test/triggerD.test 8e7f3921a92a5797d472732108109e44575fa650
+F test/triggerE.test 355e9c5cbaed5cd039a60baad1fb2197caeb8e52
F test/tt3_checkpoint.c 415eccce672d681b297485fc20f44cdf0eac93af
F test/types.test bf816ce73c7dfcfe26b700c19f97ef4050d194ff
F test/types2.test 3555aacf8ed8dc883356e59efc314707e6247a84
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/wherecosttest.c f407dc4c79786982a475261866a161cd007947ae
F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P 8d399a03de63c15908d63ed69140ee15c6275b8d
-R ae588916fdc736be6c4dac87b59614c6
-U drh
-Z 0a2b0d9a2a1e75ecb540daf6b8322ce3
+P eec3187bc68ddebdbc2113f77c7f5cd32e9be61f
+R bcf82dacad10da610aa03ba9f5dccbf3
+U dan
+Z 81b7035f34aeb81458a978a9137553b8
-eec3187bc68ddebdbc2113f77c7f5cd32e9be61f
\ No newline at end of file
+f35f6ae3da77dbdf5f7a4a9927475659fc6e0ca6
\ No newline at end of file
){
sqlite3 *db;
- if( NEVER(iDb<0) || iDb==1 ) return 0;
+ if( NEVER(iDb<0) ) return 0;
db = pParse->db;
assert( db->nDb>iDb );
pFix->pParse = pParse;
pFix->pSchema = db->aDb[iDb].pSchema;
pFix->zType = zType;
pFix->pName = pName;
+ pFix->bVarOnly = (iDb==1);
return 1;
}
if( NEVER(pList==0) ) return 0;
zDb = pFix->zDb;
for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){
- if( pItem->zDatabase && sqlite3StrICmp(pItem->zDatabase, zDb) ){
- sqlite3ErrorMsg(pFix->pParse,
- "%s %T cannot reference objects in database %s",
- pFix->zType, pFix->pName, pItem->zDatabase);
- return 1;
+ if( pFix->bVarOnly==0 ){
+ if( pItem->zDatabase && sqlite3StrICmp(pItem->zDatabase, zDb) ){
+ sqlite3ErrorMsg(pFix->pParse,
+ "%s %T cannot reference objects in database %s",
+ pFix->zType, pFix->pName, pItem->zDatabase);
+ return 1;
+ }
+ sqlite3DbFree(pFix->pParse->db, pItem->zDatabase);
+ pItem->zDatabase = 0;
+ pItem->pSchema = pFix->pSchema;
}
- sqlite3DbFree(pFix->pParse->db, pItem->zDatabase);
- pItem->zDatabase = 0;
- pItem->pSchema = pFix->pSchema;
#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER)
if( sqlite3FixSelect(pFix, pItem->pSelect) ) return 1;
if( sqlite3FixExpr(pFix, pItem->pOn) ) return 1;
if( sqlite3FixExpr(pFix, pSelect->pWhere) ){
return 1;
}
+ if( sqlite3FixExprList(pFix, pSelect->pGroupBy) ){
+ return 1;
+ }
if( sqlite3FixExpr(pFix, pSelect->pHaving) ){
return 1;
}
+ if( sqlite3FixExprList(pFix, pSelect->pOrderBy) ){
+ return 1;
+ }
+ if( sqlite3FixExpr(pFix, pSelect->pLimit) ){
+ return 1;
+ }
+ if( sqlite3FixExpr(pFix, pSelect->pOffset) ){
+ return 1;
+ }
pSelect = pSelect->pPrior;
}
return 0;
Expr *pExpr /* The expression to be fixed to one database */
){
while( pExpr ){
+ if( pExpr->op==TK_VARIABLE ){
+ if( pFix->pParse->db->init.busy ){
+ pExpr->op = TK_NULL;
+ }else{
+ sqlite3ErrorMsg(pFix->pParse, "%s cannot use variables", pFix->zType);
+ return 1;
+ }
+ }
if( ExprHasProperty(pExpr, EP_TokenOnly) ) break;
if( ExprHasProperty(pExpr, EP_xIsSelect) ){
if( sqlite3FixSelect(pFix, pExpr->x.pSelect) ) return 1;
struct DbFixer {
Parse *pParse; /* The parsing context. Error messages written here */
Schema *pSchema; /* Fix items to this schema */
+ int bVarOnly; /* Check for variable references only */
const char *zDb; /* Make sure all objects are contained in this database */
const char *zType; /* Type of the container - used for error messages */
const Token *pName; /* Name of the container - used for error messages */
}
nameToken.z = pTrig->zName;
nameToken.n = sqlite3Strlen30(nameToken.z);
- if( sqlite3FixInit(&sFix, pParse, iDb, "trigger", &nameToken)
- && sqlite3FixTriggerStep(&sFix, pTrig->step_list) ){
+ if( sqlite3FixInit(&sFix, pParse, iDb, "trigger", &nameToken) && (
+ sqlite3FixTriggerStep(&sFix, pTrig->step_list)
+ || sqlite3FixExpr(&sFix, pTrig->pWhen)
+ )){
goto triggerfinish_cleanup;
}
--- /dev/null
+# 2009 December 29
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice', here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file tests the effects of SQL variable references embedded in
+# triggers. If the user attempts to create such a trigger, it is an
+# error. However, if an existing trigger definition is read from
+# the sqlite_master table, the variable reference always evaluates
+# to NULL.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+ifcapable {!trigger} {
+ finish_test
+ return
+}
+set testprefix triggerE
+
+do_execsql_test 1.0 {
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(c, d);
+ CREATE TABLE t3(e, f);
+}
+
+# forcedelete test.db2
+# do_execsql_test 1.1 {
+# ATTACH 'test.db2' AS aux;
+# CREATE TABLE aux.t4(x);
+# INSERT INTO aux.t4 VALUES(5);
+#
+# CREATE TRIGGER tr1 AFTER INSERT ON t1 WHEN new.a IN (SELECT x FROM aux.t4)
+# BEGIN
+# SELECT 1;
+# END;
+# }
+# do_execsql_test 1.2 { INSERT INTO t1 VALUES(1,1); }
+# do_execsql_test 1.3 { INSERT INTO t1 VALUES(5,5); }
+
+#-------------------------------------------------------------------------
+# Attempt to create various triggers that use bound variables.
+#
+set errmsg "trigger cannot use variables"
+foreach {tn defn} {
+ 1 { AFTER INSERT ON t1 WHEN new.a = ? BEGIN SELECT 1; END; }
+ 2 { BEFORE DELETE ON t1 BEGIN SELECT ?; END; }
+ 3 { BEFORE DELETE ON t1 BEGIN SELECT * FROM (SELECT * FROM (SELECT ?)); END; }
+ 5 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 GROUP BY ?; END; }
+ 6 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 LIMIT ?; END; }
+ 7 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 ORDER BY ?; END; }
+ 8 { BEFORE UPDATE ON t1 BEGIN UPDATE t2 SET c = ?; END; }
+ 9 { BEFORE UPDATE ON t1 BEGIN UPDATE t2 SET c = 1 WHERE d = ?; END; }
+} {
+ catchsql {drop trigger tr1}
+ do_catchsql_test 1.1.$tn "CREATE TRIGGER tr1 $defn" [list 1 $errmsg]
+ do_catchsql_test 1.2.$tn "CREATE TEMP TRIGGER tr1 $defn" [list 1 $errmsg]
+}
+
+#-------------------------------------------------------------------------
+# Test that variable references within trigger definitions loaded from
+# the sqlite_master table are automatically converted to NULL.
+#
+do_execsql_test 2.1 {
+ PRAGMA writable_schema = 1;
+ INSERT INTO sqlite_master VALUES('trigger', 'tr1', 't1', 0,
+ 'CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+ INSERT INTO t2 VALUES(?1, ?2);
+ END'
+ );
+
+ INSERT INTO sqlite_master VALUES('trigger', 'tr2', 't3', 0,
+ 'CREATE TRIGGER tr2 AFTER INSERT ON t3 WHEN ?1 IS NULL BEGIN
+ UPDATE t2 SET c=d WHERE c IS ?2;
+ END'
+ );
+}
+db close
+sqlite3 db test.db
+
+do_execsql_test 2.2.1 {
+ INSERT INTO t1 VALUES(1, 2);
+ SELECT * FROM t2;
+} {{} {}}
+do_test 2.2.2 {
+ set one 3
+ execsql {
+ DELETE FROM t2;
+ INSERT INTO t1 VALUES($one, ?1);
+ SELECT * FROM t2;
+ }
+} {{} {}}
+do_execsql_test 2.2.3 { SELECT * FROM t1 } {1 2 3 3}
+
+do_execsql_test 2.3 {
+ DELETE FROM t2;
+ INSERT INTO t2 VALUES('x', 'y');
+ INSERT INTO t2 VALUES(NULL, 'z');
+ INSERT INTO t3 VALUES(1, 2);
+ SELECT * FROM t3;
+ SELECT * FROM t2;
+} {1 2 x y z z}
+
+finish_test
+
+