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Enhance the sqlite3ExprIsConstant() function so that it recognizes

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constant functions.  So far the enhancement only applies to the multi-row
VALUES clause, but it could possibly be applied in many other places.

FossilOrigin-Name: c9e0488c6c0135932b6e76b0f3f3acd69ef65327e0a54daa59777f35da1aef26
This commit is contained in:
drh
2024-03-16 13:18:48 +00:00
parent 932b5f4575
commit f696591dd4
10 changed files with 108 additions and 40 deletions
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2
src/window.c
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@@ -1164,7 +1164,7 @@ void sqlite3WindowListDelete(sqlite3 *db, Window *p){
** variable values in the expression tree.
*/
static Expr *sqlite3WindowOffsetExpr(Parse *pParse, Expr *pExpr){
if( 0==sqlite3ExprIsConstant(pExpr) ){
if( 0==sqlite3ExprIsConstant(0,pExpr) ){
if( IN_RENAME_OBJECT ) sqlite3RenameExprUnmap(pParse, pExpr);
sqlite3ExprDelete(pParse->db, pExpr);
pExpr = sqlite3ExprAlloc(pParse->db, TK_NULL, 0, 0);