From 487e15dc239ccdb3344d1c99ce120e872bab4a74 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Thu, 20 Sep 2012 18:34:38 -0400
Subject: Imported Upstream version 2.0.6

---
 src/analyze.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/analyze.c')

diff --git a/src/analyze.c b/src/analyze.c
index b6a987a..4dfc331 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -529,6 +529,7 @@ static void analyzeOneTable(
     sqlite3VdbeAddOp2(v, OP_Integer, 0, regNumEq);
     sqlite3VdbeAddOp2(v, OP_Integer, 0, regNumLt);
     sqlite3VdbeAddOp2(v, OP_Integer, -1, regNumDLt);
+    sqlite3VdbeAddOp3(v, OP_Null, 0, regSample, regAccum);
     sqlite3VdbeAddOp4(v, OP_Function, 1, regCount, regAccum,
                       (char*)&stat3InitFuncdef, P4_FUNCDEF);
     sqlite3VdbeChangeP5(v, 2);
@@ -931,6 +932,7 @@ static int loadStat3(sqlite3 *db, const char *zDb){
   int eType;                    /* Datatype of a sample */
   IndexSample *pSample;         /* A slot in pIdx->aSample[] */
 
+  assert( db->lookaside.bEnabled==0 );
   if( !sqlite3FindTable(db, "sqlite_stat3", zDb) ){
     return SQLITE_OK;
   }
@@ -957,7 +959,7 @@ static int loadStat3(sqlite3 *db, const char *zDb){
     if( pIdx==0 ) continue;
     assert( pIdx->nSample==0 );
     pIdx->nSample = nSample;
-    pIdx->aSample = sqlite3MallocZero( nSample*sizeof(IndexSample) );
+    pIdx->aSample = sqlite3DbMallocZero(db, nSample*sizeof(IndexSample));
     pIdx->avgEq = pIdx->aiRowEst[1];
     if( pIdx->aSample==0 ){
       db->mallocFailed = 1;
@@ -1030,7 +1032,7 @@ static int loadStat3(sqlite3 *db, const char *zDb){
         if( n < 1){
           pSample->u.z = 0;
         }else{
-          pSample->u.z = sqlite3Malloc(n);
+          pSample->u.z = sqlite3DbMallocRaw(db, n);
           if( pSample->u.z==0 ){
             db->mallocFailed = 1;
             sqlite3_finalize(pStmt);
@@ -1106,7 +1108,10 @@ int sqlite3AnalysisLoad(sqlite3 *db, int iDb){
   /* Load the statistics from the sqlite_stat3 table. */
 #ifdef SQLITE_ENABLE_STAT3
   if( rc==SQLITE_OK ){
+    int lookasideEnabled = db->lookaside.bEnabled;
+    db->lookaside.bEnabled = 0;
     rc = loadStat3(db, sInfo.zDatabase);
+    db->lookaside.bEnabled = lookasideEnabled;
   }
 #endif
 
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