Revert some unintended changes, minor doc change.

Signed-off-by: currantw <[email protected]>
Bit-Quill · Dec 19, 2024 · cec3f39 · cec3f39
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diff --git a/docs/ppl-lang/PPL-Example-Commands.md b/docs/ppl-lang/PPL-Example-Commands.md
@@ -275,7 +275,7 @@ source = table |  where ispresent(a) |
 - `source=accounts | parse email '.+@(?<host>.+)' | eval eval_result=1 | fields host, eval_result`
 - `source=accounts | parse email '.+@(?<host>.+)' | where age > 45 | sort - age | fields age, email, host`
 - `source=accounts | parse address '(?<streetNumber>\d+) (?<street>.+)' | where streetNumber > 500 | sort num(streetNumber) | fields streetNumber, street`
-  - **Note**: The `sort num` syntax above is deprecated. To sort numerically, cast to a numerical data type - e.g. `sort cast(streetNumber as integer)`. See [#963](https://github.com/opensearch-project/opensearch-spark/issues/963) for more details.
+  - **Note**: The `sort num` syntax is deprecated. To sort numerically, cast to a numerical data type - e.g. `sort cast(streetNumber as integer)`. See [#963](https://github.com/opensearch-project/opensearch-spark/issues/963) for more details.
 - Limitation: [see limitations](ppl-parse-command.md#limitations)
 
 #### **Grok**

diff --git a/ppl-spark-integration/src/main/antlr4/OpenSearchPPLLexer.g4 b/ppl-spark-integration/src/main/antlr4/OpenSearchPPLLexer.g4
@@ -385,11 +385,11 @@ JSON_ARRAY:                         'JSON_ARRAY';
 JSON_ARRAY_LENGTH:                  'JSON_ARRAY_LENGTH';
 TO_JSON_STRING:                     'TO_JSON_STRING';
 JSON_EXTRACT:                       'JSON_EXTRACT';
+JSON_DELETE :                       'JSON_DELETE';
 JSON_KEYS:                          'JSON_KEYS';
 JSON_VALID:                         'JSON_VALID';
-//JSON_APPEND:                        'JSON_APPEND';
-//JSON_DELETE:                        'JSON_DELETE';
-//JSON_EXTEND:                        'JSON_EXTEND';
+JSON_APPEND:                        'JSON_APPEND';
+//JSON_EXTEND :                       'JSON_EXTEND';
 //JSON_SET:                           'JSON_SET';
 //JSON_ARRAY_ALL_MATCH:               'JSON_ARRAY_ALL_MATCH';
 //JSON_ARRAY_ANY_MATCH:               'JSON_ARRAY_ANY_MATCH';

diff --git a/ppl-spark-integration/src/main/antlr4/OpenSearchPPLParser.g4 b/ppl-spark-integration/src/main/antlr4/OpenSearchPPLParser.g4
@@ -877,10 +877,10 @@ jsonFunctionName
    | JSON_ARRAY_LENGTH
    | TO_JSON_STRING
    | JSON_EXTRACT
+   | JSON_DELETE
+   | JSON_APPEND
    | JSON_KEYS
    | JSON_VALID
-//   | JSON_APPEND
-//   | JSON_DELETE
 //   | JSON_EXTEND
 //   | JSON_SET
 //   | JSON_ARRAY_ALL_MATCH