Fix a problem in ALTER TABLE with handling "table.*" expressions within SELECT statements in triggers.

FossilOrigin-Name: 24755fd0657252e49793bb1fe906973a2dd84a1bde03bea9a762de36cc96c2d2

manifest

@@ -1,5 +1,5 @@
-C Avoid\san\sassert()\sfailure\sin\sallocateSpace()\striggered\sby\sa\scorrupt\sdatabase.\sdbsqlfuzz\sf022eb0ce64d27808574d1dcde5cf7d002dabde8.
-D 2022-04-18T15:56:58.902
+C Fix\sa\sproblem\sin\sALTER\sTABLE\swith\shandling\s"table.*"\sexpressions\swithin\sSELECT\sstatements\sin\striggers.
+D 2022-04-19T20:47:18.245
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -552,7 +552,7 @@ F src/printf.c 05d8dfd2018bc4fc3ddb8b37eb97ccef7abf985643fa1caebdcf2916ca90fa32
 F src/random.c 097dc8b31b8fba5a9aca1697aeb9fd82078ec91be734c16bffda620ced7ab83c
 F src/resolve.c 18d99e7146852d6064559561769fcca0743eb32b14a97da6dbed373a30ee0e76
 F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
-F src/select.c 5ac7c08646ac5a03634da8a954645bdaa13d9bf692fb6b0b5fb3b55b19ab884e
+F src/select.c 2df3b525acb48c4e005556771164cefca301e32aad14ffc51f5c9480ea04ff38
 F src/shell.c.in ecff6f4ab0e8e25acd578b3eb27ac0bad4d48643c160259a277151d6e9d412e1
 F src/sqlite.h.in 2a35f62185eb5e7ecc64a2f68442b538ce9be74f80f28a00abc24837edcf1c17
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
@@ -669,7 +669,7 @@ F test/altermalloc3.test 55e606edf4b0acfbbd851ddfe93cfdddfae43d103644dcfd6008ae4
 F test/alterqf.test ff6c6f881485c29ed699b8ef4774864ca1b0c01a6c08f5cdd624a008e4b40fca
 F test/altertab.test 7273b8506eab46342be016af78028df49f3bd99037412f997a8f1011b37a6912
 F test/altertab2.test 62597b6fd08feaba1b6bfe7d31dac6117c67e06dc9ce9c478a3abe75b5926de0
-F test/altertab3.test 5929f522fd6fd708396ad9f317d4af9ff1a93e460df85bb1d54d4499eeb94960
+F test/altertab3.test 8af5c6eb4a7dd2fc73235b865b53561bf07428d1d6a9cd59a067abf51141891e
 F test/amatch1.test b5ae7065f042b7f4c1c922933f4700add50cdb9f
 F test/analyze.test 547bb700f903107b38611b014ca645d6b5bb819f5210d7bf39c40802aafeb7d7
 F test/analyze3.test 4440c4932247adb2b4e0c838f657c19dc7af4f56859255436dc4e855f39b9324
@@ -1945,8 +1945,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 1b2c5cef9560123344db391cd065090d1914724715ec6643d2d9b5fac2051a21
-R e0f5c0c7d688fc682a2227f01f890489
+P 2de7f8cc7fe18f0828bb53f1fd11f5eb828faf4d6dfaf39693dff4f8926c1c7a
+R 318ac48bd1e34a4b6fd3ff5eb21b8cab
 U dan
-Z ae7698eacadb5d5e1bd63dbe1476a21d
+Z f1a4a18eaaf67a9686b3da1f44ac683c
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-2de7f8cc7fe18f0828bb53f1fd11f5eb828faf4d6dfaf39693dff4f8926c1c7a
+24755fd0657252e49793bb1fe906973a2dd84a1bde03bea9a762de36cc96c2d2

src/select.c

@@ -5755,10 +5755,13 @@ static int selectExpander(Walker *pWalker, Select *p){
             pRight = sqlite3Expr(db, TK_ID, zName);
             zColname = zName;
             zToFree = 0;
-            if( longNames || pTabList->nSrc>1 ){
+            if( longNames || pTabList->nSrc>1 || IN_RENAME_OBJECT ){
               Expr *pLeft;
               pLeft = sqlite3Expr(db, TK_ID, zTabName);
               pExpr = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight);
+              if( IN_RENAME_OBJECT && pE->pLeft ){
+                sqlite3RenameTokenRemap(pParse, pLeft, pE->pLeft);
+              }
               if( zSchemaName ){
                 pLeft = sqlite3Expr(db, TK_ID, zSchemaName);
                 pExpr = sqlite3PExpr(pParse, TK_DOT, pLeft, pExpr);
@@ -5771,6 +5774,7 @@ static int selectExpander(Walker *pWalker, Select *p){
               pExpr = pRight;
             }
             pNew = sqlite3ExprListAppend(pParse, pNew, pExpr);
+
             sqlite3TokenInit(&sColname, zColname);
             sqlite3ExprListSetName(pParse, pNew, &sColname, 0);
             if( pNew && (p->selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){

test/altertab3.test

@@ -686,4 +686,54 @@ do_execsql_test 28.2 {
     UPDATE "t2" SET (c,d)=(a,b);
   END}}
 
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 29.1 {
+  CREATE TABLE t1(x, y);
+  CREATE TRIGGER Trigger1 DELETE ON t1 
+  BEGIN 
+    SELECT t1.*, t1.x FROM t1 ORDER BY t1.x;
+  END;
+}
+
+
+do_execsql_test 29.2 {
+  ALTER TABLE t1 RENAME x TO z;
+}
+
+do_execsql_test 29.3 {
+  ALTER TABLE t1 RENAME TO t2;
+}
+
+do_execsql_test 29.4 {
+  CREATE TRIGGER tr2 AFTER DELETE ON t2 BEGIN
+    SELECT z, y FROM (
+      SELECT t2.* FROM t2
+    );
+  END;
+}
+
+do_execsql_test 29.5 {
+  DELETE FROM t2
+}
+
+do_execsql_test 29.6 {
+  ALTER TABLE t2 RENAME TO t3;
+}
+
+do_execsql_test 29.7 {
+  SELECT sql FROM sqlite_schema WHERE type='trigger'
+} {
+  {CREATE TRIGGER Trigger1 DELETE ON "t3" 
+  BEGIN 
+    SELECT "t3".*, "t3".z FROM "t3" ORDER BY "t3".z;
+  END}
+  {CREATE TRIGGER tr2 AFTER DELETE ON "t3" BEGIN
+    SELECT z, y FROM (
+      SELECT "t3".* FROM "t3"
+    );
+  END}
+}
+
 finish_test