Jackie-Jiang commented on a change in pull request #7819:
URL: https://github.com/apache/pinot/pull/7819#discussion_r795992164
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/function/scalar/JsonFunctions.java
##########
@@ -103,11 +104,13 @@ public static Object jsonPath(Object object, String
jsonPath) {
@ScalarFunction
public static Object[] jsonPathArrayDefaultEmpty(Object object, String
jsonPath) {
- try {
- return jsonPathArray(object, jsonPath);
- } catch (Exception e) {
- return new Object[0];
+ final Object value;
Review comment:
(minor) After fixing `jsonPathArray()`, this method can be simplified by
checking the return value of `jsonPathArray()`
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/function/scalar/JsonFunctions.java
##########
@@ -93,8 +95,7 @@ public static Object jsonPath(Object object, String jsonPath)
{
* Extract object array based on Json path
*/
@ScalarFunction
- public static Object[] jsonPathArray(Object object, String jsonPath)
- throws JsonProcessingException {
+ public static Object[] jsonPathArray(Object object, String jsonPath) {
if (object instanceof String) {
return convertObjectToArray(PARSE_CONTEXT.parse((String)
object).read(jsonPath, NO_PREDICATES));
Review comment:
We should check return value before calling `convertObjectToArray()`.
Currently it will return `new Object[] {null}` which is incorrect
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/function/scalar/JsonFunctions.java
##########
@@ -103,11 +104,13 @@ public static Object jsonPath(Object object, String
jsonPath) {
@ScalarFunction
public static Object[] jsonPathArrayDefaultEmpty(Object object, String
jsonPath) {
- try {
- return jsonPathArray(object, jsonPath);
- } catch (Exception e) {
- return new Object[0];
+ final Object value;
Review comment:
(minor) We don't usually put `final` for local variable. Since you are
changing it, let's remove the `final`
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