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DocumentationTDSQL-C for MySQLOperation GuideAnalysis EngineFeature Limits and CompatibilityData Types

Data Types

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Last updated: 2025-06-03 16:18:11
This document provides a detailed list of data types supported in the read-only analysis engine.

Numeric Data Types

Type Classification
Type
Support Status and Description
Numeric data types
TINYINT
Supported
SMALLINT
Supported
MEDIUMINT
Supported
INT
Supported
BIGINT
Supported
DECIMAL and NUMERIC
Supported
FLOAT
Supported
DOUBLE
Supported
BIT
Supported
Note:
In the read-only analysis engine, the BIT data type is supported by converting it to an unsigned INT type. As a result, BIT data is only supported in numeric comparison scenarios within the read-only analysis engine.
Date and time data types
DATE
Supported
DATETIMESTAMP
Supported
TIMESTAMP
Supported
TIME
Supported
YEAR
Supported
Character data types
CHAR
Supported
VARCHAR
Supported
BINARY
Supported
BLOB
Supported
TEXT
Supported
ENUM
Supported
Note:
In the read-only analysis engine, the ENUM and SET data types are supported by converting them to the STRING type. As a result, related expressions or specialized functions such as & and FIND_IN_SET are not supported.
SET
Spatial data types
GEOMETRY
Not supported.
POINT
Not supported.
LINESTRING
Not supported.
POLYGON
Not supported.
JSON data types
JSON
Supported
Note:
The JSON data type is supported starting from read-only analysis engine kernel version 2.2410.1.0. It is not supported in version 1.2404.x.
Previous Topic: Description of Supported Type Conversion FunctionsNext Topic: Enabling Read-Only Analysis Engine

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