forbid json unquote push down

Signed-off-by: Lonng <heng@lonng.org>
pingcap · Dec 31, 2019 · 721782d · 721782d
1 parent 7ce54ec
commit 721782d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/expression/expr_to_pb.go b/expression/expr_to_pb.go
@@ -413,7 +413,8 @@ func (pc PbConverter) canFuncBePushed(sf *ScalarFunction) bool {
 		// json functions.
 		ast.JSONType,
 		ast.JSONExtract,
-		ast.JSONUnquote,
+		// FIXME: JSONUnquote is incompatible with Coprocessor
+		// ast.JSONUnquote,
 		ast.JSONObject,
 		ast.JSONArray,
 		ast.JSONMerge,