io.asyncer.r2dbc.mysql.constant

Class ColumnDefinitions

java.lang.Object

io.asyncer.r2dbc.mysql.constant.ColumnDefinitions

public final class ColumnDefinitions
extends Object

Column definition flags.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ENUMERABLE The real type of this field is ENUMERABLE.
static int	NOT_NULL The data is not null.
static int	SET The real type of this field is SET.
static int	UNSIGNED The data is an unsigned number.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NOT_NULL

public static final int NOT_NULL

The data is not null.

See Also:

Constant Field Values

UNSIGNED

public static final int UNSIGNED

The data is an unsigned number. Only applicable to numeric types, like BIGINT UNSIGNED, INT UNSIGNED, etc.

Note: IEEE-754 floating types (e.g. DOUBLE/FLOAT) do not supports it in MySQL 8.0+. When creating a column as an unsigned floating type, the server may report a warning.

See Also:

Constant Field Values

ENUMERABLE

public static final int ENUMERABLE

The real type of this field is ENUMERABLE.

Note: in order to be compatible with older drivers, MySQL server will send type as VARCHAR for type ENUMERABLE. If this flag is enabled, change data type to ENUMERABLE.

See Also:

Constant Field Values

SET

public static final int SET

The real type of this field is SET.

Note: in order to be compatible with older drivers, MySQL server will send type as VARCHAR for type SET. If this flag is enabled, change data type to SET.

See Also:

Constant Field Values