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add json_schema_valid into tidb_allow_function_for_expression_index (#19812) #19815

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Dec 26, 2024
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add json_schema_valid into tidb_allow_function_for_expression_index (#19812) #19815

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1 change: 1 addition & 0 deletions sql-statements/sql-statement-create-index.md
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Expand Up @@ -157,6 +157,7 @@ Expression index involves various kinds of expressions. To ensure correctness, o
- [`JSON_QUOTE()`](/functions-and-operators/json-functions.md)
- [`JSON_REMOVE()`](/functions-and-operators/json-functions.md)
- [`JSON_REPLACE()`](/functions-and-operators/json-functions.md)
- [`JSON_SCHEMA_VALID()`](/functions-and-operators/json-functions/json-functions-validate.md)
- [`JSON_SEARCH()`](/functions-and-operators/json-functions.md)
- [`JSON_SET()`](/functions-and-operators/json-functions.md)
- [`JSON_STORAGE_SIZE()`](/functions-and-operators/json-functions.md)
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2 changes: 1 addition & 1 deletion system-variables.md
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Expand Up @@ -1051,7 +1051,7 @@ mysql> SHOW GLOBAL VARIABLES LIKE 'max_prepared_stmt_count';

- Scope: NONE
- Applies to hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value): No
- Default value: `json_array, json_array_append, json_array_insert, json_contains, json_contains_path, json_depth, json_extract, json_insert, json_keys, json_length, json_merge_patch, json_merge_preserve, json_object, json_pretty, json_quote, json_remove, json_replace, json_search, json_set, json_storage_size, json_type, json_unquote, json_valid, lower, md5, reverse, tidb_shard, upper, vitess_hash`
- Default value: `json_array, json_array_append, json_array_insert, json_contains, json_contains_path, json_depth, json_extract, json_insert, json_keys, json_length, json_merge_patch, json_merge_preserve, json_object, json_pretty, json_quote, json_remove, json_replace, json_schema_valid, json_search, json_set, json_storage_size, json_type, json_unquote, json_valid, lower, md5, reverse, tidb_shard, upper, vitess_hash`
- This read-only variable is used to show the functions that are allowed to be used for creating [expression indexes](/sql-statements/sql-statement-create-index.md#expression-index).

### tidb_allow_mpp <span class="version-mark">New in v5.0</span>
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