pingcap · ti-chi-bot · Jun 18, 2024 · Jun 18, 2024
diff --git a/functions-and-operators/expressions-pushed-down.md b/functions-and-operators/expressions-pushed-down.md
@@ -18,7 +18,7 @@ TiFlash 也支持[本页](/tiflash/tiflash-supported-pushdown-calculations.md)
 | [比较运算](/functions-and-operators/operators.md#比较方法和操作符) | [`<`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_less-than), [`<=`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_less-than-or-equal), [`=`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_equal), [`!= (<>)`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-equal), [`>`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_greater-than), [`>=`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_greater-than-or-equal), [`<=>`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_equal-to), [BETWEEN ... AND ...](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_between), [COALESCE()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_coalesce), [IN()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_in), [INTERVAL()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_interval), [IS NOT NULL](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_is-not-null), [IS NOT](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_is-not), [IS NULL](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_is-null), [IS](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_is), [ISNULL()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_isnull), [LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_like), [NOT BETWEEN ... AND ...](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-between), [NOT IN()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-in), [NOT LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_not-like), [STRCMP()](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#function_strcmp) |
 | [数值运算](/functions-and-operators/numeric-functions-and-operators.md) | [+](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_plus), [-](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_minus), [*](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_times), [/](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_divide), [DIV](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_div), [% (MOD)](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_mod), [-](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_unary-minus), [ABS()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_abs), [ACOS()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_acos), [ASIN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_asin), [ATAN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_atan), [ATAN2(), ATAN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_atan2), [CEIL()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_ceil), [CEILING()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_ceiling), [CONV()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_conv), [COS()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_cos), [COT()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_cot), [CRC32()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_crc32), [DEGREES()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_degrees), [EXP()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_exp), [FLOOR()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_floor), [LN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_ln), [LOG()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_log), [LOG10()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_log10), [LOG2()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_log2), [MOD()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_mod), [PI()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_pi), [POW()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_pow), [POWER()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_power), [RADIANS()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_radians), [RAND()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_rand), [ROUND()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_round), [SIGN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_sign), [SIN()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_sin), [SQRT()](https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_sqrt) |
 | [控制流运算](/functions-and-operators/control-flow-functions.md) | [CASE](https://dev.mysql.com/doc/refman/5.7/en/flow-control-functions.html#operator_case), [IF()](https://dev.mysql.com/doc/refman/5.7/en/flow-control-functions.html#function_if), [IFNULL()](https://dev.mysql.com/doc/refman/5.7/en/flow-control-functions.html#function_ifnull) |
-| [JSON 运算](/functions-and-operators/json-functions.md) | [JSON_ARRAY([val[, val] ...])](https://dev.mysql.com/doc/refman/5.7/en/json-creation-functions.html#function_json-array),<br/> [JSON_CONTAINS(target, candidate[, path])](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-contains),<br/> [JSON_EXTRACT(json_doc, path[, path] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-extract),<br/> [JSON_INSERT(json_doc, path, val[, path, val] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-insert),<br/> [JSON_LENGTH(json_doc[, path])](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-length),<br/> [JSON_MERGE(json_doc, json_doc[, json_doc] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-merge),<br/> [JSON_OBJECT([key, val[, key, val] ...])](https://dev.mysql.com/doc/refman/5.7/en/json-creation-functions.html#function_json-object),<br/> [JSON_REMOVE(json_doc, path[, path] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-remove),<br/> [JSON_REPLACE(json_doc, path, val[, path, val] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-replace),<br/> [JSON_SET(json_doc, path, val[, path, val] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-set),<br/> [JSON_TYPE(json_val)](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-type),<br/> [JSON_UNQUOTE(json_val)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-unquote),<br/> [JSON_VALID(val)](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-valid) |
+| [JSON 运算](/functions-and-operators/json-functions.md) | [JSON_ARRAY([val[, val] ...])](https://dev.mysql.com/doc/refman/5.7/en/json-creation-functions.html#function_json-array),<br/> [JSON_CONTAINS(target, candidate[, path])](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-contains),<br/> [JSON_EXTRACT(json_doc, path[, path] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-extract),<br/> [JSON_INSERT(json_doc, path, val[, path, val] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-insert),<br/> [JSON_LENGTH(json_doc[, path])](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-length),<br/> [JSON_MERGE(json_doc, json_doc[, json_doc] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-merge),<br/> [JSON_OBJECT([key, val[, key, val] ...])](https://dev.mysql.com/doc/refman/5.7/en/json-creation-functions.html#function_json-object),<br/> [JSON_REMOVE(json_doc, path[, path] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-remove),<br/> [JSON_SET(json_doc, path, val[, path, val] ...)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-set),<br/> [JSON_TYPE(json_val)](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-type),<br/> [JSON_UNQUOTE(json_val)](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-unquote),<br/> [JSON_VALID(val)](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-valid) |
 | [日期运算](/functions-and-operators/date-and-time-functions.md) | [DATE()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_date), [DATE_FORMAT()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_date-format), [DATEDIFF()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_datediff), [DAYOFMONTH()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_dayofmonth), [DAYOFWEEK()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_dayofweek), [DAYOFYEAR()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_dayofyear), [FROM_DAYS()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_from-days), [HOUR()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_hour), [MAKEDATE()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_makedate), [MAKETIME()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_maketime), [MICROSECOND()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_microsecond), [MINUTE()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_minute), [MONTH()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_month), [MONTHNAME()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_monthname), [PERIOD_ADD()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_period-add), [PERIOD_DIFF()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_period-diff), [SEC_TO_TIME()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_sec-to-time), [SECOND()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_second), [SYSDATE()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_sysdate), [TIME_TO_SEC()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_time-to-sec), [TIMEDIFF()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_timediff), [WEEK()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_week), [WEEKOFYEAR()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_weekofyear), [YEAR()](https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_year) |
 | [字符串函数](/functions-and-operators/string-functions.md) | [ASCII()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_ascii), [BIT_LENGTH()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_bit-length), [CHAR()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_char), [CHAR_LENGTH()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_char-length), [CONCAT()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_concat), [CONCAT_WS()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_concat-ws), [ELT()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_elt), [FIELD()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_field), [HEX()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_hex), [LENGTH()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_length), [LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_like), [LTRIM()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_ltrim), [MID()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_mid), [NOT LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_not-like), [NOT REGEXP](https://dev.mysql.com/doc/refman/5.7/en/regexp.html#operator_not-regexp), [REGEXP](https://dev.mysql.com/doc/refman/5.7/en/regexp.html#operator_regexp), [REGEXP_INSTR ()](https://dev.mysql.com/doc/refman/8.0/en/regexp.html#function_regexp-instr), [REGEXP_LIKE ()](https://dev.mysql.com/doc/refman/8.0/en/regexp.html#function_regexp-like), [REGEXP_REPLACE ()](https://dev.mysql.com/doc/refman/8.0/en/regexp.html#function_regexp-replace), [REGEXP_SUBSTR ()](https://dev.mysql.com/doc/refman/8.0/en/regexp.html#function_regexp-substr), [REPLACE()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_replace), [REVERSE()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_reverse), [RIGHT()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_right), [RLIKE](https://dev.mysql.com/doc/refman/5.7/en/regexp.html#operator_regexp), [RTRIM()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_rtrim), [SPACE()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_space), [STRCMP()](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#function_strcmp), [SUBSTR()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_substr), [SUBSTRING()](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_substring) |
 | [聚合函数](/functions-and-operators/aggregate-group-by-functions.md#group-by-聚合函数) | [COUNT()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_count), [COUNT(DISTINCT)](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_count-distinct), [SUM()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_sum), [AVG()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_avg), [MAX()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_max), [MIN()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_min), [VARIANCE()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_variance), [VAR_POP()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_var-pop), [STD()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_std), [STDDEV()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_stddev), [STDDEV_POP](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_stddev-pop), [VAR_SAMP()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_var-samp), [STDDEV_SAMP()](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_stddev-samp), [JSON_ARRAYAGG(key)](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_json-arrayagg), [JSON_OBJECTAGG(key, value)](https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions.html#function_json-objectagg) |