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Performance improvement and size reduction in the Expr node allocator

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function sqlite3PExpr().

FossilOrigin-Name: 2a81763e68cdf9b8c46389b1e1a87bc2084b53e7
This commit is contained in:
drh
2016-12-06 22:47:23 +00:00
parent 2b519ab015
commit abfd35ea03
10 changed files with 77 additions and 76 deletions
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6
src/delete.c
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@@ -164,7 +164,7 @@ Expr *sqlite3LimitWhere(
** );
*/
pSelectRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0, 0);
pSelectRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0);
if( pSelectRowid == 0 ) goto limit_where_cleanup;
pEList = sqlite3ExprListAppend(pParse, 0, pSelectRowid);
if( pEList == 0 ) goto limit_where_cleanup;
@@ -183,8 +183,8 @@ Expr *sqlite3LimitWhere(
if( pSelect == 0 ) return 0;
/* now generate the new WHERE rowid IN clause for the DELETE/UDPATE */
pWhereRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0, 0);
pInClause = pWhereRowid ? sqlite3PExpr(pParse, TK_IN, pWhereRowid, 0, 0) : 0;
pWhereRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0);
pInClause = pWhereRowid ? sqlite3PExpr(pParse, TK_IN, pWhereRowid, 0) : 0;
sqlite3PExprAddSelect(pParse, pInClause, pSelect);
return pInClause;