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Allow deterministic functions in the WHERE clause of a partial index.

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FossilOrigin-Name: c6e9b9421805c904b20900b711fa0e51773aef3e
This commit is contained in:
drh
2016-10-03 18:13:23 +00:00
parent c9b39288ae
commit a71c743aae
5 changed files with 32 additions and 16 deletions
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6
src/resolve.c
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@@ -623,7 +623,6 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
/* if( pSrcList==0 ) break; */
notValid(pParse, pNC, "the \".\" operator", NC_IdxExpr);
/*notValid(pParse, pNC, "the \".\" operator", NC_PartIdx|NC_IsCheck, 1);*/
pRight = pExpr->pRight;
if( pRight->op==TK_ID ){
zDb = 0;
@@ -652,7 +651,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
u8 enc = ENC(pParse->db); /* The database encoding */
assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
notValid(pParse, pNC, "functions", NC_PartIdx);
// notValid(pParse, pNC, "functions", NC_PartIdx);
zId = pExpr->u.zToken;
nId = sqlite3Strlen30(zId);
pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
@@ -712,7 +711,8 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
/* Date/time functions that use 'now', and other functions like
** sqlite_version() that might change over time cannot be used
** in an index. */
notValid(pParse, pNC, "non-deterministic functions", NC_IdxExpr);
notValid(pParse, pNC, "non-deterministic functions",
NC_IdxExpr|NC_PartIdx);
}
}
if( is_agg && (pNC->ncFlags & NC_AllowAgg)==0 ){