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| author | drh <drh@noemail.net> | 2008-08-29 02:14:02 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2008-08-29 02:14:02 +0000 |
| commit | 8b213899e804561fe1df90dc1f9f32a165d563ab (patch) | |
| tree | 3ec0a887a739708058bd73ff4ed323eb554828f9 /src/tokenize.c | |
| parent | 3fb120cb9d4118e59304dfb9f3abaec7806e8597 (diff) | |
| download | sqlite-8b213899e804561fe1df90dc1f9f32a165d563ab.tar.gz sqlite-8b213899e804561fe1df90dc1f9f32a165d563ab.zip | |
Avoid reevaluating WHERE and ORDER BY expressions that alias terms in the
result set. Ticket #3343. Note that aliased GROUP BY expressions are still
evaluated twice. (CVS 5637)
FossilOrigin-Name: ab0292caa5887cc1bdc0e8c9d3f3502b83975440
Diffstat (limited to 'src/tokenize.c')
| -rw-r--r-- | src/tokenize.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tokenize.c b/src/tokenize.c index 3e5bd9de9..802c16397 100644 --- a/src/tokenize.c +++ b/src/tokenize.c @@ -15,7 +15,7 @@ ** individual tokens and sends those tokens one-by-one over to the ** parser for analysis. ** -** $Id: tokenize.c,v 1.150 2008/08/08 14:19:41 drh Exp $ +** $Id: tokenize.c,v 1.151 2008/08/29 02:14:03 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> @@ -503,6 +503,7 @@ abort_parse: sqlite3DeleteTrigger(db, pParse->pNewTrigger); sqlite3DbFree(db, pParse->apVarExpr); + sqlite3DbFree(db, pParse->aAlias); if( nErr>0 && (pParse->rc==SQLITE_OK || pParse->rc==SQLITE_DONE) ){ pParse->rc = SQLITE_ERROR; } |