Avoid deleting a b-tree "has-content" vector belonging to another shared-cache connection from within sqlite3_close().

FossilOrigin-Name: 93462df78247f5634b9f53752cf80056bbfe9aac

manifest

@@ -1,5 +1,5 @@
-C Candidate\sfixes\sfor\sproblems\srevealed\sby\snotify2.test.\sNotify2.test\sis\sstill\sfailing\sat\sthis\spoint.
-D 2013-05-13T18:23:15.893
+C Avoid\sdeleting\sa\sb-tree\s"has-content"\svector\sbelonging\sto\sanother\sshared-cache\sconnection\sfrom\swithin\ssqlite3_close().
+D 2013-05-14T20:36:31.591
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in ce81671efd6223d19d4c8c6b88ac2c4134427111
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -137,7 +137,7 @@ F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
 F src/backup.c b266767351ae2d847716c56fcb2a1fea7c761c03
 F src/bitvec.c 19a4ba637bd85f8f63fc8c9bae5ade9fb05ec1cb
 F src/btmutex.c 976f45a12e37293e32cae0281b15a21d48a8aaa7
-F src/btree.c 480a6d255cc4f066029daf23dd54acf152cd0e13
+F src/btree.c e42631ac1fe6d0d3a0a5e36330b203f69052be21
 F src/btree.h 6fa8a3ff2483d0bb64a9f0105a8cedeac9e00cca
 F src/btreeInt.h eecc84f02375b2bb7a44abbcbbe3747dde73edb2
 F src/build.c 083da8466fd7e481cb8bd5264398f537507f6176
@@ -737,7 +737,7 @@ F test/shared6.test 866bb4982c45ce216c61ded5e8fde4e7e2f3ffa9
 F test/shared7.test 960760bc8d03e1419e70dea69cf41db62853616e
 F test/shared8.test b27befbefbe7f4517f1d6b7ff8f64a41ec74165d
 F test/shared9.test 5f2a8f79b4d6c7d107a01ffa1ed05ae7e6333e21
-F test/sharedA.test 2dad757bb388779d6bda8c05ec52e39e9981a135
+F test/sharedA.test 113664fa64ab0538c7dc77f4b6fc1ff904561cec
 F test/shared_err.test 0079c05c97d88cfa03989b7c20a8b266983087aa
 F test/sharedlock.test ffa0a3c4ac192145b310f1254f8afca4d553eabf
 F test/shell1.test 4a2f57952719972c6f862134463f8712e953c038
@@ -1063,10 +1063,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
 F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
-P cf5c3642247fdd34d87f0368594cd7b8f081636a
-R 9334ad7d318214aee7b701f9959b5d6e
-T *branch * shared-cache-fixes
-T *sym-shared-cache-fixes *
-T -sym-trunk *
+P ea0428f9b6e63066e7444a2ba2f8c12a2e3ab7e4
+R f68931e6fbc759d31073a5961092df76
 U dan
-Z 816ab4789f48f56b3bf310736184e47d
+Z c980c1bd80d8d5755c03b6b85fccf1ca

manifest.uuid

@@ -1 +1 @@
-ea0428f9b6e63066e7444a2ba2f8c12a2e3ab7e4
+93462df78247f5634b9f53752cf80056bbfe9aac

src/btree.c

@@ -3255,7 +3255,6 @@ static void btreeEndTransaction(Btree *p){
 #ifndef SQLITE_OMIT_AUTOVACUUM
   pBt->bDoTruncate = 0;
 #endif
-  btreeClearHasContent(pBt);
   if( p->inTrans>TRANS_NONE && p->db->activeVdbeCnt>1 ){
     /* If there are other active statements that belong to this database
     ** handle, downgrade to a read-only transaction. The other statements
@@ -3330,6 +3329,7 @@ int sqlite3BtreeCommitPhaseTwo(Btree *p, int bCleanup){
       return rc;
     }
     pBt->inTransaction = TRANS_READ;
+    btreeClearHasContent(pBt);
   }
 
   btreeEndTransaction(p);
@@ -3453,6 +3453,7 @@ int sqlite3BtreeRollback(Btree *p, int tripCode){
     }
     assert( countWriteCursors(pBt)==0 );
     pBt->inTransaction = TRANS_READ;
+    btreeClearHasContent(pBt);
   }
 
   btreeEndTransaction(p);

test/sharedA.test

@@ -16,10 +16,46 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 db close
-set ::testprefix x
+set ::testprefix sharedA
 
 set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
 
+#-------------------------------------------------------------------------
+#
+do_test 0.1 {
+  sqlite3 db1 test.db
+  sqlite3 db2 test.db
+
+  db1 eval {
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES(randomblob(100));
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    CREATE INDEX i1 ON t1(x);
+  }
+
+  db1 eval {
+    BEGIN;
+    DROP INDEX i1;
+  }
+
+  db2 close
+
+  db1 eval {
+    INSERT INTO t1 SELECT randomblob(100) FROM t1;
+    ROLLBACK;
+    PRAGMA integrity_check;
+  }
+} {ok}
+
+db1 close
+forcedelete test.db
+
+
 #-------------------------------------------------------------------------
 #
 do_test 1.1 {