modules/api/src/main/java/org/apache/ignite/schema/definition/SchemaManagementMode.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.ignite.schema.definition;

/**
 * Schema mode.
 * <p>
 * Defines the way inserting data will be validated against the schema and schema evolution capabilities.
 */
//TODO: rename to MANUAL and AUTO?
public enum SchemaManagementMode {
    /**
     * Normal mode offers strong validation for the inserting data.
     * Explicit schema changes only are allowed.
     */
    STRICT,

    /**
     * Extended mode that allows the schema to be fit the inserting data automatically.
     * Only safe implicit schema changes are allowed, e.g. adding extra columns and widening column type.
     * Changes like column removal or narrowing column type won't be applied implicitly.
     */
    LIVE
}