dev.miku.r2dbc.mysql.constant.ColumnDefinitions Maven / Gradle / Ivy
/*
* Copyright 2018-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dev.miku.r2dbc.mysql.constant;
/**
* Column definition flags.
*/
public final class ColumnDefinitions {
public static final int NOT_NULL = 1;
// public static final int PRIMARY_PART = 1 << 1; // This field is a part of the primary key
// public static final int UNIQUE_PART = 1 << 2; // This field is a part of a unique key
// public static final int KEY_PART = 1 << 3; // This field is a part of a normal key
// public static final int BLOB = 1 << 4;
/**
* Only for 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+.
*/
public static final int UNSIGNED = 1 << 5;
// public static final int ZEROFILL = 1 << 6;
// public static final int BINARY = 1 << 7;
/**
* 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.
*/
public static final int ENUMERABLE = 1 << 8;
// public static final int AUTO_INCREMENT = 1 << 9;
// public static final int TIMESTAMP = 1 << 10;
/**
* 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.
*/
public static final int SET = 1 << 11; // type is set
// public static final int NO_DEFAULT = 1 << 12; // column has no default value
// public static final int ON_UPDATE_NOW = 1 << 13; // field will be set to NOW() in UPDATE statement
private ColumnDefinitions() {
}
}