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Show changes to the column cache when PRAGMA vdbe_addoptrace=ON is set.

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FossilOrigin-Name: 4c6a659c432e4f7c0285f58675a67f967b07bb0d
This commit is contained in:
drh
2013-12-18 15:11:47 +00:00
parent 3a8aec5e13
commit 9ac7962ace
8 changed files with 50 additions and 16 deletions
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15
src/expr.c
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@@ -2170,6 +2170,11 @@ void sqlite3ExprCacheRemove(Parse *pParse, int iReg, int nReg){
*/
void sqlite3ExprCachePush(Parse *pParse){
pParse->iCacheLevel++;
#ifdef SQLITE_DEBUG
if( pParse->db->flags & SQLITE_VdbeAddopTrace ){
printf("PUSH to %d\n", pParse->iCacheLevel);
}
#endif
}
/*
@@ -2183,6 +2188,11 @@ void sqlite3ExprCachePop(Parse *pParse, int N){
assert( N>0 );
assert( pParse->iCacheLevel>=N );
pParse->iCacheLevel -= N;
#ifdef SQLITE_DEBUG
if( pParse->db->flags & SQLITE_VdbeAddopTrace ){
printf("POP to %d\n", pParse->iCacheLevel);
}
#endif
for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
if( p->iReg && p->iLevel>pParse->iCacheLevel ){
cacheEntryClear(pParse, p);
@@ -2277,6 +2287,11 @@ void sqlite3ExprCacheClear(Parse *pParse){
int i;
struct yColCache *p;
#if SQLITE_DEBUG
if( pParse->db->flags & SQLITE_VdbeAddopTrace ){
printf("CLEAR\n");
}
#endif
for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
if( p->iReg ){
cacheEntryClear(pParse, p);