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Do not ignore alias "a" in a query of the form "SELECT ... FROM (...) AS a" Fix for #3935. Also expand upon (6751) to fix some similar obscure memory leaks. (CVS 6831)

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FossilOrigin-Name: 42f9d1e56483a59353bff57d75f09ed67e1d9c3c
This commit is contained in:
danielk1977
2009-07-01 14:56:39 +00:00
parent 96d48e963a
commit 9b87d7b904
5 changed files with 73 additions and 15 deletions
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6
src/parse.y
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@@ -14,7 +14,7 @@
** the parser. Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.283 2009/06/19 14:06:03 drh Exp $
** @(#) $Id: parse.y,v 1.284 2009/07/01 14:56:40 danielk1977 Exp $
*/
// All token codes are small integers with #defines that begin with "TK_"
@@ -504,9 +504,7 @@ seltablist(A) ::= stl_prefix(X) nm(Y) dbnm(D) as(Z) indexed_opt(I) on_opt(N) usi
}
seltablist(A) ::= stl_prefix(X) LP seltablist(F) RP
as(Z) on_opt(N) using_opt(U). {
if( X==0 ){
sqlite3ExprDelete(pParse->db, N);
sqlite3IdListDelete(pParse->db, U);
if( X==0 && Z.n==0 && N==0 && U==0 ){
A = F;
}else{
Select *pSubquery;