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[SPARK-42482][CONNECT] Scala Client Write API V1 #40061

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[SPARK-42482][CONNECT] Scala Client Write API V1 #40061

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9375273
Write
zhenlineo Feb 16, 2023
835276f
Block to wait for the results
zhenlineo Feb 17, 2023
473f66b
More tests
zhenlineo Feb 17, 2023
7e112b2
Move SafeMode to catalyst
zhenlineo Feb 17, 2023
0ff9c80
Fix tests
zhenlineo Feb 17, 2023
0575da2
Revert "Move SafeMode to catalyst"
zhenlineo Feb 18, 2023
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58 changes: 58 additions & 0 deletions connector/connect/client/jvm/src/main/java/org/apache/spark/sql/SaveMode.java
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/*
* 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.spark.sql;

import org.apache.spark.annotation.Stable;

/**
* SaveMode is used to specify the expected behavior of saving a DataFrame to a data source.
*
* @since 3.4.0
*/
@Stable
public enum SaveMode {
/**
* Append mode means that when saving a DataFrame to a data source, if data/table already exists,
* contents of the DataFrame are expected to be appended to existing data.
*
* @since 3.4.0
*/
Append,
/**
* Overwrite mode means that when saving a DataFrame to a data source,
* if data/table already exists, existing data is expected to be overwritten by the contents of
* the DataFrame.
*
* @since 3.4.0
*/
Overwrite,
/**
* ErrorIfExists mode means that when saving a DataFrame to a data source, if data already exists,
* an exception is expected to be thrown.
*
* @since 3.4.0
*/
ErrorIfExists,
/**
* Ignore mode means that when saving a DataFrame to a data source, if data already exists,
* the save operation is expected to not save the contents of the DataFrame and to not
* change the existing data.
*
* @since 3.4.0
*/
Ignore
}
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