fixup! Add json tests for jsonpath extensions

Author: Nikita Glukhov

src/test/regress/expected/json_jsonpath.out

@@ -1951,6 +1951,12 @@ select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$[*], 4, 5]}.*';
  [1, 2, 3, 4, 5]
 (2 rows)
 
+select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$[*], 4, 5]}[*]';
+            ?column?            
+--------------------------------
+ {"a": 5, "b": [1, 2, 3, 4, 5]}
+(1 row)
+
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": ($[*], 4, 5)}';
 ERROR:  Singleton SQL/JSON item required
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$.map({x: @, y: @ < 3})[*], {z: "foo"}]}';

src/test/regress/sql/json_jsonpath.sql

@@ -422,6 +422,7 @@ select json '[[1, 2], [3, 4, 5], [], [6, 7]]' @* '[$[*].map(@ + 10)[*] ? (@ > 13
 select json '[1, 2, 3]' @* '{}';
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$[*], 4, 5]}';
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$[*], 4, 5]}.*';
+select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$[*], 4, 5]}[*]';
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": ($[*], 4, 5)}';
 select json '[1, 2, 3]' @* '{a: 2 + 3, "b": [$.map({x: @, y: @ < 3})[*], {z: "foo"}]}';