fix CI error, capture err returned by json.Walk

pingcap · Jan 5, 2019 · 87bb029 · 87bb029
1 parent f05d889
commit 87bb029
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/expression/builtin_json.go b/expression/builtin_json.go
@@ -849,9 +849,15 @@ func (b *builtinJSONSearchSig) evalJSON(row chunk.Row) (res json.BinaryJSON, isN
 			}
 			pathExprs = append(pathExprs, pathExpr)
 		}
-		obj.Walk(walkFn, pathExprs...)
+		err = obj.Walk(walkFn, pathExprs...)
+		if err != nil {
+			return res, true, errors.Trace(err)
+		}
 	} else {
-		obj.Walk(walkFn)
+		err = obj.Walk(walkFn)
+		if err != nil {
+			return res, true, errors.Trace(err)
+		}
 	}
 
 	// return