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OracleInsertExecutor.java
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OracleInsertExecutor.java
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/*
* Copyright 1999-2019 Seata.io Group.
*
* 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 io.seata.rm.datasource.exec.oracle;
import io.seata.common.loader.LoadLevel;
import io.seata.common.loader.Scope;
import io.seata.rm.datasource.StatementProxy;
import io.seata.rm.datasource.exec.BaseInsertExecutor;
import io.seata.rm.datasource.exec.StatementCallback;
import io.seata.sqlparser.SQLRecognizer;
import io.seata.sqlparser.struct.Null;
import io.seata.sqlparser.struct.Sequenceable;
import io.seata.sqlparser.struct.SqlMethodExpr;
import io.seata.sqlparser.struct.SqlSequenceExpr;
import io.seata.sqlparser.util.JdbcConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.sql.SQLException;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* The type Oracle insert executor.
*
* @author jsbxyyx
*/
@LoadLevel(name = JdbcConstants.ORACLE, scope = Scope.PROTOTYPE)
public class OracleInsertExecutor extends BaseInsertExecutor implements Sequenceable {
private static final Logger LOGGER = LoggerFactory.getLogger(OracleInsertExecutor.class);
/**
* Instantiates a new Abstract dml base executor.
*
* @param statementProxy the statement proxy
* @param statementCallback the statement callback
* @param sqlRecognizer the sql recognizer
*/
public OracleInsertExecutor(StatementProxy statementProxy, StatementCallback statementCallback,
SQLRecognizer sqlRecognizer) {
super(statementProxy, statementCallback, sqlRecognizer);
}
@Override
public Map<String, List<Object>> getPkValues() throws SQLException {
return getPkValuesByColumn();
}
@Override
public Map<String, List<Object>> getPkValuesByColumn() throws SQLException {
Map<String, List<Object>> pkValuesMap = parsePkValuesFromStatement();
Set<String> keySet = pkValuesMap.keySet();
for (String pkKey : keySet) {
List<Object> pkValues = pkValuesMap.get(pkKey);
for (int i = 0; i < pkValues.size(); i++) {
if (!pkKey.isEmpty() && pkValues.get(i) instanceof SqlSequenceExpr) {
pkValues.set(i, getPkValuesBySequence((SqlSequenceExpr) pkValues.get(i), pkKey).get(0));
} else if (!pkKey.isEmpty() && pkValues.get(i) instanceof SqlMethodExpr) {
pkValues.set(i, getGeneratedKeys(pkKey).get(0));
} else if (!pkKey.isEmpty() && pkValues.get(i) instanceof Null) {
pkValues.set(i, getGeneratedKeys(pkKey).get(0));
}
}
pkValuesMap.put(pkKey, pkValues);
}
return pkValuesMap;
}
@Override
public String getSequenceSql(SqlSequenceExpr expr) {
return "SELECT " + expr.getSequence() + ".currval FROM DUAL";
}
}