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In the parse tree, combine LIMIT and OFFSET into a single expression rooted

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on a TK_LIMIT node, for a small code size reduction and performance increase,
and a reduction in code complexity.

FossilOrigin-Name: 3925facd942c9df663f9b29b1e6f94f6be14af8c2b99eb691bfc836b4c220826
This commit is contained in:
drh
2017-11-14 23:48:23 +00:00
parent 65efeaca83
commit 8c0833fb21
15 changed files with 92 additions and 140 deletions
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src/walker.c
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@@ -91,7 +91,6 @@ int sqlite3WalkSelectExpr(Walker *pWalker, Select *p){
if( sqlite3WalkExpr(pWalker, p->pHaving) ) return WRC_Abort;
if( sqlite3WalkExprList(pWalker, p->pOrderBy) ) return WRC_Abort;
if( sqlite3WalkExpr(pWalker, p->pLimit) ) return WRC_Abort;
if( sqlite3WalkExpr(pWalker, p->pOffset) ) return WRC_Abort;
return WRC_Continue;
}