Function Differences Between MariaDB 10.4 and MySQL 8.0
Contents
The following is a list of all function differences between MariaDB 10.4 and MySQL 8.0. It is based on functions available in the stable MySQL 8.0.17 and MariaDB 10.4.28 releases. For a more complete list of differences, see Incompatibilities and Feature Differences Between MariaDB 10.4 and MySQL 8.0.
Present in MariaDB Only
Dynamic Columns
- COLUMN_ADD
- COLUMN_CHECK
- COLUMN_CREATE
- COLUMN_DELETE
- COLUMN_EXISTS
- COLUMN_GET
- COLUMN_JSON
- COLUMN_LIST
Galera
General
- CHR
- DECODE_ORACLE
- DES_DECRYPT
- DES_ENCRYPT
- LENGTHB
- NVL (Synonym for IFNULL)
- NVL2
- TRIM_ORACLE
- VALUE - the VALUES() function was renamed after MariaDB introduced Table Value Constructors.
Geographical
MySQL has removed the following functions in MySQL 8.0.
- AREA
- AsBinary
- AsText
- AsWKB
- AsWKT
- Buffer
- Centroid
- Contains
- ConvexHull
- Crosses
- Dimension
- Disjoint
- EndPoint
- Envelope
- Equals
- ExteriorRing
- GeomCollFromText
- GeomCollFromWKB
- GeomFromText
- GeomFromWKB
- GeometryCollectionFromText
- GeometryCollectionFromWKB
- GeometryFromText
- GeometryFromWKB
- GeometryN
- GeometryType
- GLENGTH
- InteriorRingN
- Intersects
- IsClosed
- IsEmpty
- IsSimple
- LineFromText
- LineFromWKB
- LineStringFromText
- LineStringFromWKB
- MLineFromText
- MLineFromWKB
- MPointFromText
- MPointFromWKB
- MPolyFromText
- MPolyFromWKB
- MultiLineStringFromText
- MultiLineStringFromWKB
- MultiPointFromText
- MultiPointFromWKB
- MultiPolygonFromText
- MultiPolygonFromWKB
- NumGeometries
- NumInteriorRings
- NumPoints
- Overlaps
- PointFromText
- PointFromWKB
- PointN
- PolyFromText
- PolyFromWKB
- PolygonFromText
- PolygonFromWKB
- SRID
- StartPoint
- Touches
- Within
- X
- Y
JSON
Sequences
Window Functions
Present in MySQL Only
GTID
MariaDB and MySQL have differing GTID implementations.
- GTID_SUBSET
- GTID_SUBTRACT
- WAIT_FOR_EXECUTED_GTID_SET
- WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS()
Geographic
- MBRCOVEREDBY
- MBRCovers
- ST_BUFFER_STRATEGY
- ST_GeoHash
- ST_IsValid
- ST_LatFromGeoHash
- ST_Latitude
- ST_LongFromGeoHash
- ST_Longitude
- ST_PointFromGeoHash
- ST_SIMPLIFY
- ST_TRANSFORM
- ST_VALIDATE
JSON
- JSON_ARRAYAGG
- JSON_OBJECTAGG
- JSON_OVERLAPS
- JSON_SCHEMA_VALID (MDEV-27128)
- JSON_SCHEMA_VALIDATION_REPORT
- JSON_STORAGE_FREE
- JSON_STORAGE_SIZE (MDEV-17397)
- JSON_TABLE
- MEMBER_OF operator
Regular Expressions
- REGEXP_LIKE (MDEV-16599)
UUID
- BIN_TO_UUID
- IS_UUID
- UUID_TO_BIN
Miscellaneous
- ANY_VALUE
- FORMAT_BYTES (MDEV-19629)
- FORMAT_PICO_TIME (MDEV-19629)
- GROUPING (MDEV-32789)
- PS_THREAD_ID (MDEV-19629)
- PS_CURRENT_THREAD_ID
- RANDOM_BYTES
- RELEASE_ALL_LOCKS
- VALIDATE_PASSWORD_STRENGTH
See Also
- Incompatibilities and Feature Differences Between MariaDB 10.4 and MySQL 8.0
- Function Differences Between MariaDB 10.3 and MySQL 8.0
- Function Differences Between MariaDB 10.3 and MySQL 5.7
- System Variable Differences Between MariaDB 10.4 and MySQL 8.0
- MariaDB versus MySQL - Compatibility
- MariaDB versus MySQL - Features
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