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Use the VList object to replace Parse.azVar for tracking the mapping between

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SQL parameter names and parameter numbers.  There is a performance
improvement, though there are still a few hiccups in the current code.

FossilOrigin-Name: 68ecafa1425a41358c88f41efea3262f1b4490f2
This commit is contained in:
drh
2016-12-23 03:59:31 +00:00
parent 344a1bf133
commit 9bf755cc44
10 changed files with 139 additions and 71 deletions
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6
src/tokenize.c
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@@ -500,8 +500,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
assert( pParse->pNewTable==0 );
assert( pParse->pNewTrigger==0 );
assert( pParse->nVar==0 );
assert( pParse->nzVar==0 );
assert( pParse->azVar==0 );
assert( pParse->pVList==0 );
while( 1 ){
assert( i>=0 );
if( zSql[i]!=0 ){
@@ -588,8 +587,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
if( pParse->pWithToFree ) sqlite3WithDelete(db, pParse->pWithToFree);
sqlite3DeleteTrigger(db, pParse->pNewTrigger);
for(i=pParse->nzVar-1; i>=0; i--) sqlite3DbFree(db, pParse->azVar[i]);
sqlite3DbFree(db, pParse->azVar);
sqlite3DbFree(db, pParse->pVList);
while( pParse->pAinc ){
AutoincInfo *p = pParse->pAinc;
pParse->pAinc = p->pNext;