expression: push builtin function FLOOR down to TiKV (pingcap#6736)

doerjiayi · Jun 4, 2018 · 30ff743 · 30ff743
1 parent 1327ebb
commit 30ff743
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Showing 2 changed files with 3 additions and 0 deletions.
diff --git a/expression/distsql_builtin.go b/expression/distsql_builtin.go
@@ -300,6 +300,8 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti
 		f = &builtinFloorIntToDecSig{base}
 	case tipb.ScalarFuncSig_FloorDecToInt:
 		f = &builtinFloorDecToIntSig{base}
+	case tipb.ScalarFuncSig_FloorDecToDec:
+		f = &builtinFloorDecToDecSig{base}
 	case tipb.ScalarFuncSig_FloorReal:
 		f = &builtinFloorRealSig{base}
 

diff --git a/expression/expr_to_pb.go b/expression/expr_to_pb.go
@@ -298,6 +298,7 @@ func (pc PbConverter) canFuncBePushed(sf *ScalarFunction) bool {
 		ast.Abs,
 		ast.Ceil,
 		ast.Ceiling,
+		ast.Floor,
 
 		// control flow functions.
 		ast.Case,