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+/*
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+ * Copyright (c) 2011-2020, baomidou (jobob@qq.com).
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+ * <p>
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+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
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+ * use this file except in compliance with the License. You may obtain a copy of
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+ * the License at
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+ * <p>
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+ * https://www.apache.org/licenses/LICENSE-2.0
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+ * <p>
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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+ * License for the specific language governing permissions and limitations under
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+ * the License.
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+ */
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+package com.baomidou.mybatisplus.extension.injector.methods;
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+
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+import com.baomidou.mybatisplus.core.enums.SqlMethod;
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+import com.baomidou.mybatisplus.core.injector.AbstractMethod;
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+import com.baomidou.mybatisplus.core.metadata.TableInfo;
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+import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
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+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
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+import com.baomidou.mybatisplus.core.toolkit.sql.SqlScriptUtils;
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+import org.apache.ibatis.executor.keygen.KeyGenerator;
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+import org.apache.ibatis.executor.keygen.NoKeyGenerator;
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+import org.apache.ibatis.mapping.MappedStatement;
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+import org.apache.ibatis.mapping.SqlSource;
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+
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+/**
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+ * 插入一条数据(选择字段插入)
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+ *
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+ * @author fly
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+ * @since 2018-04-06
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+ */
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+@SuppressWarnings("all")
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+public class Upsert extends AbstractMethod {
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+
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+ @Override
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+ public MappedStatement injectMappedStatement(Class<?> mapperClass, Class<?> modelClass, TableInfo tableInfo) {
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+ KeyGenerator keyGenerator = new NoKeyGenerator();
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+ SqlMethod sqlMethod = SqlMethod.INSERT_ONE;
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+ String columnScript = SqlScriptUtils.convertTrim(tableInfo.getAllInsertSqlColumnMaybeIf(),
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+ LEFT_BRACKET, RIGHT_BRACKET, null, COMMA);
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+ String valuesScript = SqlScriptUtils.convertTrim(tableInfo.getAllInsertSqlPropertyMaybeIf(null),
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+ LEFT_BRACKET, RIGHT_BRACKET, null, COMMA);
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+ String keyProperty = null;
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+ String keyColumn = null;
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+ // 表包含主键处理逻辑,如果不包含主键当普通字段处理
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+ if (StringUtils.isNotBlank(tableInfo.getKeyProperty())) {
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+ // 自增主键会造成HBase单Region数据挤压,直接移除
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+ if (null != tableInfo.getKeySequence()) {
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+ keyGenerator = TableInfoHelper.genKeyGenerator(getMethod(sqlMethod), tableInfo, builderAssistant);
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+ keyProperty = tableInfo.getKeyProperty();
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+ keyColumn = tableInfo.getKeyColumn();
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+ }
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+ }
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+ String sql = String.format(sqlMethod.getSql(), tableInfo.getTableName(), columnScript, valuesScript);
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+ SqlSource sqlSource = languageDriver.createSqlSource(configuration, sql, modelClass);
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+ return this.addInsertMappedStatement(mapperClass, modelClass, getMethod(sqlMethod), sqlSource, keyGenerator, keyProperty, keyColumn);
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+ }
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+
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+ @Override
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+ public String getMethod(SqlMethod sqlMethod) {
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+ // 自定义 mapper 方法名
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+ return "upsert";
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+ }
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+}
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