PI
更新时间：2025-10-17
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PI
数据仓库 PALO
- 功能发布记录
- 产品概述
- 产品定价
- 快速入门
- 操作手册
- 开发指南
- 数据库连接
- 数据表设计
- 数据导入
- 数据更新与删除
- 数据导出
- 数据查询
- 查询加速
- 查询调优概述
- 物化视图
- 查询缓存
- 高效去重
- Colocation Join
- Hint
- 查询优化实践
- 优化技术原理
- BI工具接入
- 湖仓一体
- Doris集群间数据迁移
- 迁移ClickHouse数据
- SQL手册
- 服务等级协议SLA
- 视频专区
- SQL手册2025
- SQL语句
- 系统信息和帮助
- 类型
- 字符集
- 插件
- 后台任务
- 数据治理
- 安全合规
- 集群管理
- 存储资源管理
- 计算资源管理
- 物理实例管理
- 统计信息
- 函数
- 回收站
- 表和视图
- 表数据和状态管理
- SHOW TRASH
- ADMIN CLEAN TRASH
- SHOW REPLICA DISTRIBUTION
- SHOW REPLICA STATUS
- ADMIN SET REPLICA VERSION
- ADMIN SET REPLICA STATUS
- SHOW TABLET DIAGNOSIS
- SHOW TABLET STORAGE FORMAT
- SHOW TABLETS BELONG
- SHOW TABLET
- ADMIN CHECK TABLET
- ADMIN COPY TABLET
- DIAGNOSE TABLET
- SET TABLE PARTITION VERSION
- SET TABLE STATUS
- CANCEL REPAIR TABLE
- REPAIR TABLE
- COMPACT TABLE
- SHOW DATA SKEW
- SHOW DATA
- CANCEL REBALANCE DISK
- REBALANCE DISK
- 异步物化视图
- 同步物化视图
- 视图
- 索引
- 表
- ALTER COLOCATE GROUP
- SHOW COLUMNS
- SHOW DYNAMIC PARTITION TABLES
- SHOW PARTITIONS
- SHOW PARTITION ID
- SHOW PARTITION
- SHOW CONVERT LIGHT SCHEMA CHANGE PROCESS
- SHOW TABLE STATUS
- SHOW TABLE ID
- SHOW TABLES
- SHOW CREATE TABLE
- DROP TABLE
- TRUNCATE TABLE
- SHOW ALTER TABLE
- CANCEL ALTER TABLE
- ALTER TABLE COMMENT
- ALTER TABLE PROPERTY
- ALTER TABLE REPLACE
- ALTER TABLE RENAME
- ALTER TABLE ROLLUP
- ALTER TABLE PARTITION
- ALTER TABLE COLUMN
- DESC TABLE
- CREATE TABLE
- 表数据和状态管理
- 数据库
- 数据目录
- 事物
- 会话
- 账户、角色和权限
- 数据修改
- 备份恢复
- 导入导出
- CLEAN LABEL
- OUTFILE
- SHOW EXPORT
- CANCEL EXPORT
- EXPORT
- SYNC
- SHOW SYNC JOB
- STOP SYNC JOB
- RESUME SYNC JOB
- PAUSE SYNC JOB
- CREATE SYNC JOB
- SHOW ROUTINE LOAD TASK
- SHOW ROUTINE LOAD
- STOP ROUTINE LOAD
- RESUME ROUTINE LOAD
- PAUSE ROUTINE LOAD
- ALTER ROUTINE LOAD
- CREATE ROUTINE LOAD
- SHOW LOAD WARNINGS
- CANCEL LOAD
- SHOW STREAM LOAD
- SHOW LOAD
- MYSQL LOAD
- BROKER LOAD
- DML
- 数据查询
- SQL函数
- 表值函数
- 表函数
- 分析函数（窗口函数）
- 函数Combinators
- 聚合函数
- BITMAP_UNION
- BITMAP_INTERSECT
- WINDOW_FUNNEL
- SUM0
- INTERSECT_COUNT
- HLL_RAW_AGG
- BITMAP-UNION-INT
- BITMAP_UNION_COUNT
- SEQUENCE_COUNT
- SEQUENCE_MATCH
- RETENTION
- COLLECT_LIST
- COLLECT_SET
- BITMAP_AGG
- MAP_AGG
- ARRAY_AGG
- ANY_VALUE
- GROUPING_ID
- GROUPING
- HLL_UNION_AGG
- GROUP_CONCAT
- GROUP_BIT_XOR
- GROUP_BIT_OR
- GROUP_BIT_AND
- GROUP_BITMAP_XOR
- GROUP_ARRAY_INTERSECT
- HISTOGRAM
- PERCENTILE_APPROX
- PERCENTILE_ARRAY
- PERCENTILE
- APPROX_COUNT_DISTINCT
- COUNT_BY_ENUM
- COUNT
- TOPN_WEIGHTED
- TOPN_ARRAY
- TOPN
- CORR
- COVAR_SAMP
- COVAR
- VAR_SAMP,VARIANCE_SAMP
- VARIANCE,VAR_POP,VARIANCE_POP
- STDDEV,STDDEV_POP
- SUM
- AVG_WEIGHTED
- AVG
- MAX_BY
- MAX
- MIN_BY
- MIN
- 标量函数
- 条件函数
- QUANTILE函数
- 其他函数
- 系统函数
- HLL函数
- BITMAP函数
- BITMAP_REMOVE
- BITMAP_TO_BASE64
- BITMAP_FROM_BASE64
- BITMAP_HASH64
- BITMAP_MIN
- BITMAP_MAX
- BITMAP_HAS_ANY
- BITMAP_HAS_ALL
- BITMAP_CONTAINS
- BITMAP_OR_COUNT
- BITMAP_XOR_COUNT
- BITMAP_AND_NOT_COUNT,BITMAP_ANDNOT_COUNT
- BITMAP_AND_COUNT
- BITMAP_COUNT
- SUB_BITMAP
- BITMAP_SUBSET_IN_RANGE
- BITMAP_SUBSET_LIMIT
- BITMAP_AND_NOT,BITMAP_ANDNOT
- BITMAP_NOT
- BITMAP_XOR
- BITMAP_AND
- BITMAP_OR
- BITMAP_EMPTY
- BITMAP_FROM_ARRAY
- BITMAP_TO_ARRAY
- BITMAP_TO_STRING
- BITMAP_FROM_STRING
- BITMAP_HASH
- TO_BITMAP
- IP函数
- TO_IPV6_OR_NULL
- TO_IPV6_OR_DEFAULT
- TO_IPV6
- TO_IPV4_OR_NULL
- TO_IPV4_OR_DEFAULT
- TO_IPV4
- IS_IPV6_STRING
- IS_IPV4_STRING
- IS_IP_ADDRESS_IN_RANGE
- IPV6_CIDR_TO_RANGE
- IPV4_CIDR_TO_RANGE
- IS_IPV4_MAPPED
- IS_IPV4_COMPAT
- IPV6_STRING_TO_NUM_OR_NULL
- IPV6_STRING_TO_NUM_OR_DEFAULT
- IPV6_STRING_TO_NUM
- IPV6_NUM_TO_STRING
- IPV4_STRING_TO_NUM_OR_NULL
- IPV4_STRING_TO_NUM_OR_DEFAULT
- IPV4_STRING_TO_NUM
- IPV4_NUM_TO_STRING
- JSON函数
- JSON_SEARCH
- JSON_PARSE_NOTNULL_ERROR_TO_VALUE
- JSON_PARSE_NOTNULL_ERROR_TO_INVALID
- JSON_PARSE_NULLABLE_ERROR_TO_NULL
- JSON_PARSE_NULLABLE_ERROR_TO_VALUE
- JSON_PARSE_NULLABLE_ERROR_TO_INVALID
- JSON_SET
- JSON_REPLACE
- JSON_INSERT
- GET_JSON_STRING
- GET_JSON_BIGINT
- GET_JSON_INT
- GET_JSON_DOUBLE
- JSON_LENGTH
- JSON_CONTAINS
- JSON_VALID
- JSON_UNQUOTE
- JSON_QUOTE
- JSON_OBJECT
- JSON_ARRAY
- JSON_TYPE
- JSON_EXISTS_PATH
- JSON_EXTRACT
- JSON_PARSE
- STRUCT函数
- MAP函数
- ARRAY函数
- COUNTEQUAL
- ARRAY_REPEAT
- ARRAY_APPLY
- ARRAY_COUNT
- ARRAYS_OVERLAP
- ARRAY_LAST
- ARRAY_FIRST
- ARRAY_LAST_INDEX
- ARRAY_FIRST_INDEX
- ARRAY_EXISTS
- ARRAY_CUM_SUM
- ARRAY_SHUFFLE
- ARRAY_ZIP
- ARRAY_COMPACY
- ARRAY_PUSHBACK
- ARRAY_PUSHFRONT
- ARRAY_POPFRONT
- ARRAY_POPBACK
- ARRAY_ENUMERATE_UNIQ
- ARRAY_ENUMERATE
- ARRAY_WITH_CONSTANT
- ARRAY_JOIN
- ARRAY_UNION
- ARRAY_DIFFERENCE
- ARRAY_DISTINCT
- ARRAY_RANGE
- ARRAY_INTERSECT
- ARRAY_PRODUCT
- ARRAY_EXCEPT
- ARRAY_CONTAINS
- ARRAY_POSITION
- ARRAY_SORTBY
- ARRAY_REVERSE_SORT
- ARRAY_SORT
- ARRAY_SLICE
- ARRAY_REMOVE
- ARRAY_SIZE
- ARRAY_SUM
- ARRAY_AVG
- ARRAY_FILTER
- ARRAY_MAP
- ARRAY_MIN
- ARRAY_MAX
- ARRAY
- 位处理函数
- 向量函数
- 加密和信息摘要函数
- 地理位置函数
- 时间日期函数
- YEARS_SUB
- YEARS_DIFF
- YEARS_ADD
- MONTHS_SUB
- MONTHS_DIFF
- MONTHS_ADD
- WEEK_FLOOR
- WEEK_CEIL
- WEEKS_SUB
- WEEKS_DIFF
- WEEKS_ADD
- HOURS_SUB
- HOURS_DIFF
- HOURS_ADD
- SECONDS_SUB
- SECONDS_DIFF
- SECONDS_ADD
- MINUTES_SUB
- MINUTES_DIFF
- MINUTES_ADD
- TIMESTAMP
- MICROSECOND_TIMESTAMP
- MILLISECOND_TIMESTAMP
- FROM_MILLISECOND
- FROM_MICROSECOND
- MILLISECONDS_SUB
- MILLISECONDS_DIFF
- MILLISECONDS_ADD
- MICROSECONDS_SUB
- MICROSECONDS_DIFF
- MICROSECONDS_ADD
- MICROSECOND
- YEAR_CEIL
- MONTH_CEIL
- DAY_CEIL
- HOUR_CEIL
- MINUTE_CEIL
- SECOND_CEIL
- DATE_CEIL
- YEAR_FLOOR
- MONTH_FLOOR
- DAY_FLOOR
- HOUR_FLOOR
- MINUTE_FLOOR
- SECOND_FLOOR
- DATE_FLOOR
- DATEDIFF
- DATE_FORMAT
- DATE_TRUNC
- DATE_SUB
- DATE_ADD
- DATE
- TIMESTAMPDIFF
- TIMESTAMPADD
- TIMEDIFF
- STR_TO_DATE
- MAKEDATE
- EXTRACT
- SEC_TO_TIME
- TIME_TO_SEC
- TO_ISO8601
- TO_DAYS
- TO_DATE
- UTC_TIMESTAMP
- UNIX_TIMESTAMP
- FROM_ISO8601_DATE
- FROM_UNIXTIME
- FROM_SECOND
- TO_MONDAY
- LAST_DAY
- FROM_DAYS
- SECOND
- MINUTE
- HOUR
- MONTHNAME
- DAYNAME
- YEARWEEK
- WEEKOFYEAR
- WEEKDAY
- WEEK
- DAYOFWEEK
- DAYOFYEAR
- DAY
- MONTH
- QUARTER
- YEAR
- NOW
- CURTIME,CURRENT_TIME
- CURDATE,CURRENT_DATE
- CONVERT_TZ
- 字符串函数
- DIGITAL_MASKING
- REGEXP_REPLACE_ONE
- REGEXP_REPLACE
- REGEXP_EXTRACT_OR_NULL
- REGEXP_EXTRACT_ALL
- REGEXP_EXTRACT
- REGEXP
- MASK_LAST_N
- MASK_FIRST_N
- MASK
- MULTI_MATCH_ANY
- MULTI_SEARCH_ALL_POSITIONS
- RANDOM_BYTES
- SPACE
- UUID
- EXTRACT_URL_PARAMETER
- URL_ENCODE
- URL_DECODE
- QUOTE
- TOP_LEVEL_DOMAIN
- FIRST_SIGNIFICANT_SUBDOMAIN
- CUT_TO_FIRST_SIGNIFICANT_SUBDOMAIN
- TRANSLATE
- PROTOCOL
- PARSE_URL
- NGRAM_SEARCH
- STRCMP
- SUBSTRING_INDEX
- SPLIT_BY_STRING
- SPLIT_PART
- STRRIGHT
- STRLEFT
- REPLACE_EMPTY
- REPLACE
- FIND_IN_SET
- LOCATE
- INT_TO_UUID
- INSTR
- ELT
- UNHEX
- HEX
- RTRIM_IN
- LTRIM_IN
- TRIM_IN
- RTRIM
- LTRIM
- TRIM
- STARTS_WITH
- ENDS_WITH
- APPEND_TRAILING_CHAR_IF_ABSENT
- SUB_REPLACE
- COUNT_SUBSTRINGS
- SUBSTRING
- CONCAT_WS
- CONCAT
- CHAR
- REVERSE
- REPEAT
- INITCAP
- UCASE
- LCASE
- RPAD
- LPAD
- CHAR_LENGTH
- DOMAIN_WITHOUT_WWW
- DOMAIN
- LENGTH
- ASCII
- FROM_BASE64
- TO_BASE64
- AUTO_PARTITION_NAME
- 数值函数
- 基础元素
- SQL语句
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数据仓库 PALO
- 功能发布记录
- 产品概述
- 产品定价
- 快速入门
- 操作手册
- 开发指南
- 数据库连接
- 数据表设计
- 数据导入
- 数据更新与删除
- 数据导出
- 数据查询
- 查询加速
- 查询调优概述
- 物化视图
- 查询缓存
- 高效去重
- Colocation Join
- Hint
- 查询优化实践
- 优化技术原理
- BI工具接入
- 湖仓一体
- Doris集群间数据迁移
- 迁移ClickHouse数据
- SQL手册
- 服务等级协议SLA
- 视频专区
- SQL手册2025
- SQL语句
- 系统信息和帮助
- 类型
- 字符集
- 插件
- 后台任务
- 数据治理
- 安全合规
- 集群管理
- 存储资源管理
- 计算资源管理
- 物理实例管理
- 统计信息
- 函数
- 回收站
- 表和视图
- 表数据和状态管理
- SHOW TRASH
- ADMIN CLEAN TRASH
- SHOW REPLICA DISTRIBUTION
- SHOW REPLICA STATUS
- ADMIN SET REPLICA VERSION
- ADMIN SET REPLICA STATUS
- SHOW TABLET DIAGNOSIS
- SHOW TABLET STORAGE FORMAT
- SHOW TABLETS BELONG
- SHOW TABLET
- ADMIN CHECK TABLET
- ADMIN COPY TABLET
- DIAGNOSE TABLET
- SET TABLE PARTITION VERSION
- SET TABLE STATUS
- CANCEL REPAIR TABLE
- REPAIR TABLE
- COMPACT TABLE
- SHOW DATA SKEW
- SHOW DATA
- CANCEL REBALANCE DISK
- REBALANCE DISK
- 异步物化视图
- 同步物化视图
- 视图
- 索引
- 表
- ALTER COLOCATE GROUP
- SHOW COLUMNS
- SHOW DYNAMIC PARTITION TABLES
- SHOW PARTITIONS
- SHOW PARTITION ID
- SHOW PARTITION
- SHOW CONVERT LIGHT SCHEMA CHANGE PROCESS
- SHOW TABLE STATUS
- SHOW TABLE ID
- SHOW TABLES
- SHOW CREATE TABLE
- DROP TABLE
- TRUNCATE TABLE
- SHOW ALTER TABLE
- CANCEL ALTER TABLE
- ALTER TABLE COMMENT
- ALTER TABLE PROPERTY
- ALTER TABLE REPLACE
- ALTER TABLE RENAME
- ALTER TABLE ROLLUP
- ALTER TABLE PARTITION
- ALTER TABLE COLUMN
- DESC TABLE
- CREATE TABLE
- 表数据和状态管理
- 数据库
- 数据目录
- 事物
- 会话
- 账户、角色和权限
- 数据修改
- 备份恢复
- 导入导出
- CLEAN LABEL
- OUTFILE
- SHOW EXPORT
- CANCEL EXPORT
- EXPORT
- SYNC
- SHOW SYNC JOB
- STOP SYNC JOB
- RESUME SYNC JOB
- PAUSE SYNC JOB
- CREATE SYNC JOB
- SHOW ROUTINE LOAD TASK
- SHOW ROUTINE LOAD
- STOP ROUTINE LOAD
- RESUME ROUTINE LOAD
- PAUSE ROUTINE LOAD
- ALTER ROUTINE LOAD
- CREATE ROUTINE LOAD
- SHOW LOAD WARNINGS
- CANCEL LOAD
- SHOW STREAM LOAD
- SHOW LOAD
- MYSQL LOAD
- BROKER LOAD
- DML
- 数据查询
- SQL函数
- 表值函数
- 表函数
- 分析函数（窗口函数）
- 函数Combinators
- 聚合函数
- BITMAP_UNION
- BITMAP_INTERSECT
- WINDOW_FUNNEL
- SUM0
- INTERSECT_COUNT
- HLL_RAW_AGG
- BITMAP-UNION-INT
- BITMAP_UNION_COUNT
- SEQUENCE_COUNT
- SEQUENCE_MATCH
- RETENTION
- COLLECT_LIST
- COLLECT_SET
- BITMAP_AGG
- MAP_AGG
- ARRAY_AGG
- ANY_VALUE
- GROUPING_ID
- GROUPING
- HLL_UNION_AGG
- GROUP_CONCAT
- GROUP_BIT_XOR
- GROUP_BIT_OR
- GROUP_BIT_AND
- GROUP_BITMAP_XOR
- GROUP_ARRAY_INTERSECT
- HISTOGRAM
- PERCENTILE_APPROX
- PERCENTILE_ARRAY
- PERCENTILE
- APPROX_COUNT_DISTINCT
- COUNT_BY_ENUM
- COUNT
- TOPN_WEIGHTED
- TOPN_ARRAY
- TOPN
- CORR
- COVAR_SAMP
- COVAR
- VAR_SAMP,VARIANCE_SAMP
- VARIANCE,VAR_POP,VARIANCE_POP
- STDDEV,STDDEV_POP
- SUM
- AVG_WEIGHTED
- AVG
- MAX_BY
- MAX
- MIN_BY
- MIN
- 标量函数
- 条件函数
- QUANTILE函数
- 其他函数
- 系统函数
- HLL函数
- BITMAP函数
- BITMAP_REMOVE
- BITMAP_TO_BASE64
- BITMAP_FROM_BASE64
- BITMAP_HASH64
- BITMAP_MIN
- BITMAP_MAX
- BITMAP_HAS_ANY
- BITMAP_HAS_ALL
- BITMAP_CONTAINS
- BITMAP_OR_COUNT
- BITMAP_XOR_COUNT
- BITMAP_AND_NOT_COUNT,BITMAP_ANDNOT_COUNT
- BITMAP_AND_COUNT
- BITMAP_COUNT
- SUB_BITMAP
- BITMAP_SUBSET_IN_RANGE
- BITMAP_SUBSET_LIMIT
- BITMAP_AND_NOT,BITMAP_ANDNOT
- BITMAP_NOT
- BITMAP_XOR
- BITMAP_AND
- BITMAP_OR
- BITMAP_EMPTY
- BITMAP_FROM_ARRAY
- BITMAP_TO_ARRAY
- BITMAP_TO_STRING
- BITMAP_FROM_STRING
- BITMAP_HASH
- TO_BITMAP
- IP函数
- TO_IPV6_OR_NULL
- TO_IPV6_OR_DEFAULT
- TO_IPV6
- TO_IPV4_OR_NULL
- TO_IPV4_OR_DEFAULT
- TO_IPV4
- IS_IPV6_STRING
- IS_IPV4_STRING
- IS_IP_ADDRESS_IN_RANGE
- IPV6_CIDR_TO_RANGE
- IPV4_CIDR_TO_RANGE
- IS_IPV4_MAPPED
- IS_IPV4_COMPAT
- IPV6_STRING_TO_NUM_OR_NULL
- IPV6_STRING_TO_NUM_OR_DEFAULT
- IPV6_STRING_TO_NUM
- IPV6_NUM_TO_STRING
- IPV4_STRING_TO_NUM_OR_NULL
- IPV4_STRING_TO_NUM_OR_DEFAULT
- IPV4_STRING_TO_NUM
- IPV4_NUM_TO_STRING
- JSON函数
- JSON_SEARCH
- JSON_PARSE_NOTNULL_ERROR_TO_VALUE
- JSON_PARSE_NOTNULL_ERROR_TO_INVALID
- JSON_PARSE_NULLABLE_ERROR_TO_NULL
- JSON_PARSE_NULLABLE_ERROR_TO_VALUE
- JSON_PARSE_NULLABLE_ERROR_TO_INVALID
- JSON_SET
- JSON_REPLACE
- JSON_INSERT
- GET_JSON_STRING
- GET_JSON_BIGINT
- GET_JSON_INT
- GET_JSON_DOUBLE
- JSON_LENGTH
- JSON_CONTAINS
- JSON_VALID
- JSON_UNQUOTE
- JSON_QUOTE
- JSON_OBJECT
- JSON_ARRAY
- JSON_TYPE
- JSON_EXISTS_PATH
- JSON_EXTRACT
- JSON_PARSE
- STRUCT函数
- MAP函数
- ARRAY函数
- COUNTEQUAL
- ARRAY_REPEAT
- ARRAY_APPLY
- ARRAY_COUNT
- ARRAYS_OVERLAP
- ARRAY_LAST
- ARRAY_FIRST
- ARRAY_LAST_INDEX
- ARRAY_FIRST_INDEX
- ARRAY_EXISTS
- ARRAY_CUM_SUM
- ARRAY_SHUFFLE
- ARRAY_ZIP
- ARRAY_COMPACY
- ARRAY_PUSHBACK
- ARRAY_PUSHFRONT
- ARRAY_POPFRONT
- ARRAY_POPBACK
- ARRAY_ENUMERATE_UNIQ
- ARRAY_ENUMERATE
- ARRAY_WITH_CONSTANT
- ARRAY_JOIN
- ARRAY_UNION
- ARRAY_DIFFERENCE
- ARRAY_DISTINCT
- ARRAY_RANGE
- ARRAY_INTERSECT
- ARRAY_PRODUCT
- ARRAY_EXCEPT
- ARRAY_CONTAINS
- ARRAY_POSITION
- ARRAY_SORTBY
- ARRAY_REVERSE_SORT
- ARRAY_SORT
- ARRAY_SLICE
- ARRAY_REMOVE
- ARRAY_SIZE
- ARRAY_SUM
- ARRAY_AVG
- ARRAY_FILTER
- ARRAY_MAP
- ARRAY_MIN
- ARRAY_MAX
- ARRAY
- 位处理函数
- 向量函数
- 加密和信息摘要函数
- 地理位置函数
- 时间日期函数
- YEARS_SUB
- YEARS_DIFF
- YEARS_ADD
- MONTHS_SUB
- MONTHS_DIFF
- MONTHS_ADD
- WEEK_FLOOR
- WEEK_CEIL
- WEEKS_SUB
- WEEKS_DIFF
- WEEKS_ADD
- HOURS_SUB
- HOURS_DIFF
- HOURS_ADD
- SECONDS_SUB
- SECONDS_DIFF
- SECONDS_ADD
- MINUTES_SUB
- MINUTES_DIFF
- MINUTES_ADD
- TIMESTAMP
- MICROSECOND_TIMESTAMP
- MILLISECOND_TIMESTAMP
- FROM_MILLISECOND
- FROM_MICROSECOND
- MILLISECONDS_SUB
- MILLISECONDS_DIFF
- MILLISECONDS_ADD
- MICROSECONDS_SUB
- MICROSECONDS_DIFF
- MICROSECONDS_ADD
- MICROSECOND
- YEAR_CEIL
- MONTH_CEIL
- DAY_CEIL
- HOUR_CEIL
- MINUTE_CEIL
- SECOND_CEIL
- DATE_CEIL
- YEAR_FLOOR
- MONTH_FLOOR
- DAY_FLOOR
- HOUR_FLOOR
- MINUTE_FLOOR
- SECOND_FLOOR
- DATE_FLOOR
- DATEDIFF
- DATE_FORMAT
- DATE_TRUNC
- DATE_SUB
- DATE_ADD
- DATE
- TIMESTAMPDIFF
- TIMESTAMPADD
- TIMEDIFF
- STR_TO_DATE
- MAKEDATE
- EXTRACT
- SEC_TO_TIME
- TIME_TO_SEC
- TO_ISO8601
- TO_DAYS
- TO_DATE
- UTC_TIMESTAMP
- UNIX_TIMESTAMP
- FROM_ISO8601_DATE
- FROM_UNIXTIME
- FROM_SECOND
- TO_MONDAY
- LAST_DAY
- FROM_DAYS
- SECOND
- MINUTE
- HOUR
- MONTHNAME
- DAYNAME
- YEARWEEK
- WEEKOFYEAR
- WEEKDAY
- WEEK
- DAYOFWEEK
- DAYOFYEAR
- DAY
- MONTH
- QUARTER
- YEAR
- NOW
- CURTIME,CURRENT_TIME
- CURDATE,CURRENT_DATE
- CONVERT_TZ
- 字符串函数
- DIGITAL_MASKING
- REGEXP_REPLACE_ONE
- REGEXP_REPLACE
- REGEXP_EXTRACT_OR_NULL
- REGEXP_EXTRACT_ALL
- REGEXP_EXTRACT
- REGEXP
- MASK_LAST_N
- MASK_FIRST_N
- MASK
- MULTI_MATCH_ANY
- MULTI_SEARCH_ALL_POSITIONS
- RANDOM_BYTES
- SPACE
- UUID
- EXTRACT_URL_PARAMETER
- URL_ENCODE
- URL_DECODE
- QUOTE
- TOP_LEVEL_DOMAIN
- FIRST_SIGNIFICANT_SUBDOMAIN
- CUT_TO_FIRST_SIGNIFICANT_SUBDOMAIN
- TRANSLATE
- PROTOCOL
- PARSE_URL
- NGRAM_SEARCH
- STRCMP
- SUBSTRING_INDEX
- SPLIT_BY_STRING
- SPLIT_PART
- STRRIGHT
- STRLEFT
- REPLACE_EMPTY
- REPLACE
- FIND_IN_SET
- LOCATE
- INT_TO_UUID
- INSTR
- ELT
- UNHEX
- HEX
- RTRIM_IN
- LTRIM_IN
- TRIM_IN
- RTRIM
- LTRIM
- TRIM
- STARTS_WITH
- ENDS_WITH
- APPEND_TRAILING_CHAR_IF_ABSENT
- SUB_REPLACE
- COUNT_SUBSTRINGS
- SUBSTRING
- CONCAT_WS
- CONCAT
- CHAR
- REVERSE
- REPEAT
- INITCAP
- UCASE
- LCASE
- RPAD
- LPAD
- CHAR_LENGTH
- DOMAIN_WITHOUT_WWW
- DOMAIN
- LENGTH
- ASCII
- FROM_BASE64
- TO_BASE64
- AUTO_PARTITION_NAME
- 数值函数
- 基础元素
- SQL语句