MatrixOne Features

This document lists the features supported by the latest version of MatrixOne and features that are common and in MatrixOne's roadmap but not currently supported.

Data definition language (DDL)

Data definition Language(DDL)	Supported(Y)/Not supported (N) /Experimental (E)
CREATE DATABASE	Y
DROP DATABASE	Y
ALTER DATABASE	N
CREATE TABLE	Y
ALTER TABLE	E, The clauses: `CHANGE [COLUMN]`, `MODIFY [COLUMN]`, `RENAME COLUMN`, `ADD [CONSTRAINT [symbol]] PRIMARY KEY`, `DROP PRIMARY KEY`, and `ALTER COLUMN ORDER BY` can be used in ALTER It can be freely combined in the TABLE statement. Still, it is not supported to be used with other clauses for the time being.
RENAME TABLE	N, Can be replaced by `ALTER TABLE tbl RENAME TO new_tbl`
DROP TABLE	Y
CREATE INDEX	Y, Secondary indexes have no speedup
DROP INDEX	Y
MODIFY COLUMN	N
PRIMARY KEY	Y
CREATE VIEW	Y
ALTER VIEW	Y
DROP VIEW	Y
TRUNCATE TABLE	Y
AUTO_INCREMENT	Y
SEQUENCE	Y
TEMPORARY TABLE	Y
CREATE STREAM	E, Only some types are supported
PARTITION BY	E, Only some types are supported
CHARSET, COLLATION	N, Only UTF8 is supported by default

Data manipulation/query language (DML/DQL)

SQL Statement	Supported(Y)/Not supported (N) /Experimental (E)
SELECT	Y
INSERT	Y
UPDATE	Y
DELETE	Y
REPLACE	Y
INSERT ON DUPLICATE KEY UPDATE	Y
LOAD DATA	Y
SELECT INTO	Y
INNER/LEFT/RIGHT/OUTER JOIN	Y
UNION, UNION ALL	Y
EXCEPT, INTERSECT	Y
GROUP BY, ORDER BY	Y
CLUSTER BY	Y
SUBQUERY	Y
(Common Table Expressions, CTE)	Y
BEGIN/START TRANSACTION, COMMIT, ROLLBACK	Y
EXPLAIN	Y
EXPLAIN ANALYZE	Y
LOCK/UNLOCK TABLE	N
User-defined Variables	Y

Advanced SQL Features

Advanced SQL Features	Supported(Y)/Not supported (N) /Experimental (E)
PREPARE	Y
STORED PROCEDURE	N
TRIGGER	N
EVENT SCHEDULER	N
UDF	Y
Materialized VIEW	N

Stream Calculation

Stream Computing Capabilities	Supported (Y) / Not Supported (N) / Experimental Features (E)
Dynamic Tables	E
Kafka Connectors	E
Materialized View	N
(incremental) Materialized View	N

Timing

Timing	Supported (Y) / Not Supported (N) / Experimental Features (E)
Timing Table	Y
Sliding window	Y
Downsampling	Y
Interpolation	Y
TTL(Time To Live)	N
ROLLUP	Y

Data types

Data type categories	Data types	Supported(Y)/Not supported (N) /Experimental (E)
Integer Numbers	TINYINT/SMALLINT/INT/BIGINT (UNSIGNED)	Y
	BIT	N
Real Numbers	FLOAT	Y
	DOUBLE	Y
String Types	CHAR	Y
	VARCHAR	Y
	BINARY	Y
	VARBINARY	Y
	TINYTEXT/TEXT/MEDIUMTEXT/LONGTEXT	Y
	ENUM	Y, Not support Filtering ENUM values and Sorting ENUM values
	SET	N
Binary Types	TINYBLOB/BLOB/MEDIUMBLOB/LONGBLOB	Y
Time and Date Types	DATE	Y
	TIME	Y
	DATETIME	Y
	TIMESTAMP	Y
	YEAR	Y
Boolean	BOOL	Y
Decimal Types	DECIMAL	Y, up to 38 digits
JSON Types	JSON	Y
vector type	VECTOR	N
Spatial Type	SPATIAL	N

Indexing and constraints

Indexing and constraints	Supported(Y)/Not supported (N) /Experimental (E)
PRIMARY KEY	Y
Composite PRIMARY KEY	Y
UNIQUE KEY	Y
Secondary KEY	Y, Syntax only implementation
FOREIGN KEY	Y
Enforced Constraints on Invalid Data	Y
ENUM and SET Constraints	N
NOT NULL Constraint	Y
AUTO INCREMENT Constraint	Y

Transactions

Transactions	Supported(Y)/Not supported (N) /Experimental (E)
Pessimistic transactions	Y
Optimistic transactions	Y
Distributed Transaction	Y
Snapshot Isolation	Y
READ COMMITTED	Y

Functions and Operators

Functions and Operators Categories	Supported(Y)/Not supported (N) /Experimental (E)
Aggregate Functions	Y
Mathematical	Y
Datetime	Y
String	Y
CAST	Y
Flow Control Functions	E
Window Functions	Y
JSON Functions	Y
System Functions	Y
Other Functions	Y
Operators	Y

PARTITION

PARTITION	Supported(Y)/Not supported (N) /Experimental (E)
KEY(column_list)	E
HASH(expr)	E
RANGE(expr)	N
RANGE COLUMNS	N
LIST	N
LIST COLUMNS	N

Import and Export

Import and Export	Supported(Y)/Not supported (N) /Experimental (E)
LOAD DATA	Y
SOURCE	Y
Load data from S3	Y
modump	Y
mysqldump	N

Security and Access Control

Security	Supported(Y)/Not supported (N) /Experimental (E)
Transport Layer Encryption TLS	Y
Encryption at rest	Y
Import from Object Storage	Y
Role-Based Access Control (RBAC)	Y
Multi-Account	Y

Backup and Restore

Backup and Restore	Supported(Y)/Not supported (N) /Experimental (E)
Logical Backup and Restore	Y, Only the modump tool is supported
Physical Backup and Restore	Y

Management Tool

Management Tool	Supported(Y)/Not supported (N) /Experimental (E)
Stand-alone mo_ctl deployment management	Y
Distributed mo_ctl deployment management	E, Enterprise Edition only
Visual management platform	E, Public cloud version only
System Logging	Y
System indicator monitoring	Y
Slow query log	Y
SQL record	Y
Kubernetes operator	Y

Deployment Method

Deployment Method	Supported(Y)/Not supported (N) /Experimental (E)
Stand-alone environment privatization deployment	Y
Distributed environment privatization deployment	Y, self-built Kubernetes and minIO object storage
Alibaba Cloud distributed self-built deployment	Y, ACK+OSS
Tencent Cloud Distributed Self-built Deployment	Y, TKE+COS
AWS distributed self-built deployment	Y, EKS+S3
Public Cloud Serverless	Y, MatrixOne Cloud, Support AWS, Alibaba Cloud