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Experimental change that allows overloaded functions to be analyzed by

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the xBestIndex method and used by the xFilter method of a virtual table.

FossilOrigin-Name: a353b1d7ee6c5989ba1b98a3990c9a4c2ff39ae66572fd1200606e8ef585e5fa
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drh
2018-05-26 18:03:48 +00:00
parent 9201184711
commit 59155065e0
5 changed files with 62 additions and 19 deletions
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src/expr.c
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@@ -3903,7 +3903,7 @@ expr_code_doover:
** "glob(B,A). We want to use the A in "A glob B" to test
** for function overloading. But we use the B term in "glob(B,A)".
*/
if( nFarg>=2 && (pExpr->flags & EP_InfixFunc) ){
if( nFarg>=2 && ExprHasProperty(pExpr, EP_InfixFunc) ){
pDef = sqlite3VtabOverloadFunction(db, pDef, nFarg, pFarg->a[1].pExpr);
}else if( nFarg>0 ){
pDef = sqlite3VtabOverloadFunction(db, pDef, nFarg, pFarg->a[0].pExpr);