add batch_expr_strict_mode

Author: WanYixian

operate/view-configure-runtime-parameters.mdx

@@ -19,7 +19,7 @@ For example, you may see a table similar to this:
 ```bsh Runtime Parameters
           Name                  |     Setting     |        Description
 --------------------------------+-----------------+--------------------------------------
- implicit_flush              | false           | If set to `true`, then every INSERT/UPDATE/DELETE statement will block until the entire dataflow is refreshed.
+ implicit_flush                 | false           | If set to `true`, then every INSERT/UPDATE/DELETE statement will block until the entire dataflow is refreshed.
  create_compaction_group_for_mv | false           | If set to `true`, dedicated compaction groups will be created in MV creation.
  query_mode                     | auto            | A temporary config variable to force query running in either local or distributed mode. If the value is auto, the system will decide for you automatically.
  ...
@@ -38,6 +38,7 @@ Below is the detailed information about the parameters you may see after using t
 | batch\_enable\_lookup\_join              | true/false                      | Force the use of lookup join instead of hash join when possible for local batch execution.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | batch\_enable\_sort\_agg                 | true/false                      | Enable usage of sortAgg instead of hash agg when order property is satisfied in batch execution.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
 | batch\_enable\_distributed\_dml              | true/false                      | Enable distributed DML, allowing INSERT/UPDATE/DELETE statements to be executed in a distributed way, such as running on multiple compute nodes. Defaults to false.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
+| batch\_expr\_strict\_mode | true/false | Control whether to let the entire query fail or fill `NULL` values for expression evaluation failures. |
 | max\_split\_range\_gap                       | 8                               | The max gap allowed to transform small range scan into multi point lookup.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | search\_path                                 | "$user", public                 | Set the order in which schemas are searched when an object (table, data type, function, etc.) is referenced by a simple name with no schema specified. See [here](https://www.postgresql.org/docs/14/runtime-config-client.html#GUC-SEARCH-PATH) for details.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
 | visibility\_mode                             | default                         | If `VISIBILITY_MODE` is `all`, we will support querying the latest uncommitted data, and consistency is not guaranteed between the tables.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |