Apache Doris v1.0 Documentation
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String Functions

来源 Doris 浏览 2 扫码 打印 2026-11-06 15:41:30
    • appendtrailingcharifabsent
    • ASCII
    • bit_length
    • CHAR_LENGTH
    • concat
    • Concat_ws
    • ends_with
    • findinset
    • hex
    • instr
    • lcase
    • left
    • length
    • locate
    • lower
    • lpad
    • ltrim
    • money_format
    • nullorempty
    • repeat
    • replace
    • REVERSE
    • right
    • rpad
    • split_part
    • starts_with
    • strleft
    • strright
    • substring
    • unhex
    • fuzzy match
    • regular match
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    • Downloads
    • Compilation and Deployment
      • Compilation
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    • SQL Manual
      • SQL Functions
        • Date Time Functions
          • curdate
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          • day
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          • from_days
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          • hour
          • makedate
          • minute
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          • Monthname
          • now
          • second
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          • time_round
          • timediff
          • timestampadd
          • timestampdiff
          • to_days
          • unix_timestamp
          • utc_timestamp
          • week
          • weekday
          • weekofyear
          • year
          • yearweek
        • Sptial Functions
          • ST_AsText,ST_AsWKT
          • ST_Circle
          • `ST_Contains’
          • ST_Distance_Sphere
          • ST_GeometryFromText,ST GeomFromText
          • ST_LineFromText,ST_LineStringFromText
          • St_Point’
          • ST_Polygon,ST_PolyFromText,ST_PolygonFromText
          • ST_X
          • ST_Y
        • String Functions
          • appendtrailingcharifabsent
          • ASCII
          • bit_length
          • CHAR_LENGTH
          • concat
          • Concat_ws
          • ends_with
          • findinset
          • hex
          • instr
          • lcase
          • left
          • length
          • locate
          • lower
          • lpad
          • ltrim
          • money_format
          • nullorempty
          • repeat
          • replace
          • REVERSE
          • right
          • rpad
          • split_part
          • starts_with
          • strleft
          • strright
          • substring
          • unhex
          • fuzzy match
            • like
            • not like
          • regular match
            • regexp
            • regexp_extract
            • regexp_replace
            • not regexp
        • Aggregate Functions
          • APPROXCOUNTDISTINCT
          • GROUP_CONCAT
          • AVG
          • BITMAP_UNION
          • COUNT
          • HLLUNIONAGG
          • MAX
          • MIN
          • PERCENTILE
          • PERCENTILE_APPROX
          • STDDEV,STDDEV_POP
          • STDDEV_SAMP
          • SUM
          • TOPN
          • VARIANCESAMP,VARIANCESAMP
          • VARIANCE,VARPOP,VARIANCEPOP
        • bitmap functions
          • bitmap_and
          • bitmap_contains
          • bitmap_empty
          • bitmapfromstring
          • bitmaphasany
          • bitmaphasall
          • bitmap_hash
          • bitmap_intersect
          • bitmap_or
          • bitmapandcount
          • bitmaporcount
          • bitmapxorcount
          • bitmap_not
          • bitmapandnot
          • bitmapandnot_count
          • bitmapsubsetin_range
          • bitmapsubsetlimit
          • sub_bitmap
          • bitmaptostring
          • bitmap_union
          • bitmap_xor
          • to_bitmap
          • bitmap_max
          • orthogonalbitmapintersect
          • orthogonalbitmapintersect_count
          • orthogonalbitmapunion_count
        • bitwise function
          • bitand
          • bitor
          • bitxor
          • bitnot
        • json function
          • getjsondouble
          • getjsonint
          • getjsonstring
          • json_array
          • json_object
          • json_quote
        • Encryption and Digest Functions
          • AES
          • MD5
          • MD5SUM
          • SM4
          • SM3
          • SM3SUM
        • Hash Functions
          • murmurhash332
        • Math Functions
          • conv
          • pmod
        • table functions
          • explode_bitmap
          • explode_split
          • explodejsonarray
        • window function
        • CAST
        • DIGITAL-MASKING
      • SQL Statements
        • Account Management
          • CREATE ROLE
          • CREATE USER
          • DROP ROLE
          • DROP USER
          • Grant
          • REVOKE
          • SET PASSWORD
          • SET PROPERTY
          • SHOW GRANTS
          • SHOW ROLES
        • Administration
          • ADMIN CANCEL REPAIR
          • ADMIN CLEAN TRASH
          • ADMIN CHECK TABLET
          • ADMIN COMPACT
          • ADMIN REPAIR
          • ADMIN SET CONFIG
          • ADMIN SET REPLICA STATUS
          • ADMIN SHOW CONFIG
          • ADMIN SHOW REPLICA DISTRIBUTION
          • ADMIN SHOW REPLICA STATUS
          • ALTER CLUSTER
          • ALTER SYSTEM
          • CANCEL DECOMMISSION
          • CREATE CLUSTER
          • CREATE FILE
          • DROP CLUSTER
          • DROP FILE
          • ENTER
          • INSTALL PLUGIN
          • LINK DATABASE
          • MIGRATE DATABASE
          • SET LDAPADMINPASSWORD
          • SHOW BACKENDS
          • SHOW BROKER
          • SHOW FILE
          • SHOW FRONTENDS
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        • Data Definition
          • ALTER DATABASE
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          • CANCEL ALTER
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          • CREATE ENCRYPTKEY
          • CANCEL RESTORE
          • CREATE DATABASE
          • CREATE INDEX
          • CREATE MATERIALIZED VIEW
          • CREATE REPOSITORY
          • CREATE TABLE LIKE
          • CREATE TABLE
          • CREATE VIEW
          • Colocate Join
          • DROP DATABASE
          • DROP ENCRYPTKEY
          • DROP INDEX
          • DROP MATERIALIZED VIEW
          • DROP REPOSITORY
          • DROP TABLE
          • DROP VIEW
          • HLL
          • RECOVER
          • REFRESH DATABASE
          • REFRESH TABLE
          • RESTORE
          • SHOW ENCRYPTKEYS
          • TRUNCATE TABLES
          • CREATE FUNCTION
          • DROP FUNCTION
          • SHOW FUNCTIONS
        • Data Manipulation
          • BEGIN
          • BROKER LOAD
          • CANCEL DELETE
          • Cancel Label
          • CANCEL LOAD
          • CREATE SYNC JOB
          • DELETE
          • EXPORT
          • GET LABEL STATE
          • GROUP BY
          • LOAD
          • MINI LOAD
          • MULTI LOAD
          • OUTFILE
          • PAUSE ROUTINE LOAD
          • PAUSE SYNC JOB
          • RESTORE TABLET
          • RESUME ROUTINE LOAD
          • RESUME SYNC JOB
          • ROUTINE LOAD
          • SHOW ALTER
          • SHOW BACKUP
          • SHOW CREATE FUNCTION
          • SHOW CREATE ROUTINE LOAD
          • SHOW DATA
          • SHOW DATA SKEW
          • SHOW DATABASES
          • SHOW DELETE
          • SHOW DYNAMIC PARTITION TABLES
          • SHOW EXPORT
          • SHOW LOAD
          • SHOW PARTITIONS
          • SHOW PROPERTY
          • SHOW REPOSITORIES
          • SHOW RESTORE
          • SHOW ROUTINE LOAD TASK
          • SHOW ROUTINE LOAD
          • SHOW SNAPSHOT
          • SHOW SYNC JOB
          • SHOW TABLES
          • SHOW TABLE CREATION
          • SHOW TABLET
          • SHOW TRANSACTION
          • SHOW LAST INSERT
          • STOP ROUTINE LOAD
          • STOP SYNC JOB
          • STREAM LOAD
          • ALTER ROUTINE LOAD
          • INSERT
          • UPDATE
          • Lateral View
        • Data Types
          • BIGINT
          • BITMAP
          • BOOLEAN
          • CHAR
          • date
          • DATETIME
          • DECIMAL
          • Double
          • FLOAT
          • HLL (HyperLogLog)
          • INT
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          • STRING
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          • VARCHAR
        • Utility
          • Describe
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      • user case
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