clarify the cast(... as char array) error message

Signed-off-by: Yang Keao <[email protected]>
pingcap · May 13, 2024 · 75b8f75 · 75b8f75
1 parent 601e21c
commit 75b8f75
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/expression/builtin_cast.go b/pkg/expression/builtin_cast.go
@@ -455,7 +455,7 @@ func (c *castAsArrayFunctionClass) getFunction(ctx BuildContext, args []Expressi
 		return nil, ErrNotSupportedYet.GenWithStackByArgs("specifying charset for multi-valued index")
 	}
 	if arrayType.EvalType() == types.ETString && arrayType.GetFlen() == types.UnspecifiedLength {
-		return nil, ErrNotSupportedYet.GenWithStackByArgs("CAST-ing data to array of char/binary BLOBs")
+		return nil, ErrNotSupportedYet.GenWithStackByArgs("CAST-ing data to array of char/binary BLOBs with unspecified length")
 	}
 
 	bf, err := newBaseBuiltinFunc(ctx, c.funcName, args, c.tp)