io.greptime.models

Annotation Type Column

@Retention(value=RUNTIME)
 @Target(value=FIELD)
public @interface Column

This annotation is used to mapping POJO class into Table.

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
DataType	dataType
String	name The name of the column in the table.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	tag
boolean	timestamp

Element Detail

name

public abstract String name

The name of the column in the table.

It is strongly recommended to use snake case naming convention and avoid using camel case. This is because GreptimeDB treats column names as case-insensitive, which can cause confusion when querying with camel case.

Returns:

the name of the column in the table

dataType

public abstract DataType dataType

tag

public abstract boolean tag

Default:

false

timestamp

public abstract boolean timestamp

Default:

false