Improved rebustness against OOM and corruption.

FossilOrigin-Name: 3992f45033d7c1eb7b2bf7790fbf301c495f3e6ef1610a8d66d7357270a227e4

diff --git a/manifest b/manifest
index 444119030ff978ad617c993f836b74b07657df15..8628abf05ea27b38cd6ce0e7d23adad3c63d7bd9 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C When\sdoing\sDROP\sTABLE\sor\sDROP\sINDEX,\suse\sa\sheap\sto\sensure\sthat\sthe\svarious\nbtrees\sare\sdropped\sin\sthe\sright\sorder\sfor\sautovacuum.
-D 2024-03-01T22:42:16.916
+C Improved\srebustness\sagainst\sOOM\sand\scorruption.
+D 2024-03-02T00:29:11.592
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -692,7 +692,7 @@ F src/btmutex.c 79a43670447eacc651519a429f6ece9fd638563cf95b469d6891185ddae2b522
 F src/btree.c 285b493d843e7ba8ef78b6ae7d31238e904901dbc0c484f7904de4cf18fd8802
 F src/btree.h 55066f513eb095db935169dab1dc2f7c7a747ef223c533f5d4ad4dfed346cbd0
 F src/btreeInt.h 98aadb6dcb77b012cab2574d6a728fad56b337fc946839b9898c4b4c969e30b6
-F src/build.c bbd0408e72f4b22964c2a92a29ddd0154c509fe78a01036e2cb3ff8721fceff5
+F src/build.c 2ad0f3d31b8acbae7fc70843b729784e48d333bc0f00c08960ecfa2d6768f1e3
 F src/callback.c db3a45e376deff6a16c0058163fe0ae2b73a2945f3f408ca32cf74960b28d490
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c 23331529e654be40ca97d171cbbffe9b3d4c71cc53b78fe5501230675952da8b
@@ -2177,8 +2177,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P cf8a58d679d0cd30bf7c9208780855f0567b5e086422d59e3254b907923e0dd1
-R 91b6533837d9746e996aee053268c336
+P e5bf9556ffd1d0880cc982d389e229246d0f3ddce4264905c6a7dd9c55d735e8
+R 789ccab0c4642dd5ae1bf587e03fcd34
 U drh
-Z 805fa77be429c9dc08d49424247b72ac
+Z f71f73bd63f19dd417c879862b23542b
 # Remove this line to create a well-formed Fossil manifest.

diff --git a/manifest.uuid b/manifest.uuid
index 679284ff1640ae00ae2039cf89368f21fd9e7668..44c149bae6705a22e3495aacd4897c3ce50814bb 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e5bf9556ffd1d0880cc982d389e229246d0f3ddce4264905c6a7dd9c55d735e8
\ No newline at end of file
+3992f45033d7c1eb7b2bf7790fbf301c495f3e6ef1610a8d66d7357270a227e4
\ No newline at end of file

diff --git a/src/build.c b/src/build.c
index 05cb49b72db5d277bed1d35596591eb303bd2a6a..b5aea86cc6b03db7aed5612f6f5f788e3e30ba77 100644 (file)
--- a/src/build.c
+++ b/src/build.c
@@ -3378,8 +3378,10 @@ static void rootStackCode(Parse *pParse, RootStack *p){
     sqlite3VdbeAddOp2(v, OP_Integer, pgno, r2);
     sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, addrSub);
   }
-  sqlite3ReleaseTempReg(pParse, r1);
-  sqlite3ReleaseTempReg(pParse, regReturn);
+  if( pParse->nErr==0 ){
+    sqlite3ReleaseTempReg(pParse, r1);
+    sqlite3ReleaseTempReg(pParse, regReturn);
+  }
   sqlite3DbFree(pParse->db, p->a);
 }
 
@@ -3652,7 +3654,7 @@ void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, int noErr){
   /* Generate code to actually delete the tables/views in a second pass. 
   ** Btrees must be deleted largest root page first, to avoid problems
   ** caused by autovacuum page reordering. */
-  for(ii=0; ii<pName->nSrc; ii++){
+  for(ii=0; pParse->nErr==0 && ii<pName->nSrc; ii++){
     pTab = pName->a[ii].pTab;
     if( pTab==0 ) continue;
     iDb = sqlite3SchemaToIndex(db, pTab->pSchema);