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fix: 优化自定义分词插入(修改为插入时,遇到唯一索引错误跳过)
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LeiGaoRobot committed Nov 6, 2023
1 parent 1f3b7f2 commit 66c6bfa
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Showing 5 changed files with 73 additions and 2 deletions.
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Expand Up @@ -102,7 +102,7 @@ public boolean deleteBathByName(List<String> names) {
@Override
@Transactional(rollbackFor = Exception.class)
public long insertBatchCustomWords(List<CustomWords> customWordsList) {
return this.baseMapper.insertBatchSomeColumn(customWordsList);
return this.baseMapper.insertIgnoreBatchAllColumn(customWordsList);
}

/**
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Expand Up @@ -368,7 +368,6 @@ private void analyzeAndSaveWords(EsGoodsIndex goods) {
keywordsList.forEach(item -> customWordsArrayList.add(new CustomWords(item)));
//这里采用先批量删除再插入的方法,故意这么做。否则需要挨个匹配是否存在,性能消耗更大
if (CollUtil.isNotEmpty(customWordsArrayList)) {
customWordsService.deleteBathByName(keywordsList);
customWordsService.insertBatchCustomWords(customWordsArrayList);
}
} catch (Exception e) {
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@@ -0,0 +1,68 @@
package cn.lili.mybatis.mybatisplus.external;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.enums.SqlMethod;
import com.baomidou.mybatisplus.core.injector.AbstractMethod;
import com.baomidou.mybatisplus.core.metadata.TableFieldInfo;
import com.baomidou.mybatisplus.core.metadata.TableInfo;
import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.sql.SqlScriptUtils;
import lombok.Setter;
import lombok.experimental.Accessors;
import org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator;
import org.apache.ibatis.executor.keygen.KeyGenerator;
import org.apache.ibatis.executor.keygen.NoKeyGenerator;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlSource;

import java.util.List;
import java.util.function.Predicate;

public class InsertIgnoreBatchAllColumn extends AbstractMethod {

private static final String MAPPER_METHOD = "insertIgnoreBatchAllColumn";
private static final long serialVersionUID = 9014932405041929700L;

@Setter
@Accessors(chain = true)
private Predicate<TableFieldInfo> predicate;

@SuppressWarnings("Duplicates")
@Override
public MappedStatement injectMappedStatement(Class<?> mapperClass, Class<?> modelClass, TableInfo tableInfo) {
KeyGenerator keyGenerator = new NoKeyGenerator();
SqlMethod sqlMethod = SqlMethod.INSERT_ONE;
String sqlTemplate = "<script>\nINSERT IGNORE INTO %s %s VALUES %s\n</script>";

List<TableFieldInfo> fieldList = tableInfo.getFieldList();
String insertSqlColumn = tableInfo.getKeyInsertSqlColumn(true, false) +
this.filterTableFieldInfo(fieldList, predicate, TableFieldInfo::getInsertSqlColumn, EMPTY);
String columnScript = LEFT_BRACKET + insertSqlColumn.substring(0, insertSqlColumn.length() - 1) + RIGHT_BRACKET;
String insertSqlProperty = tableInfo.getKeyInsertSqlProperty(true, ENTITY_DOT, false) +
this.filterTableFieldInfo(fieldList, predicate, i -> i.getInsertSqlProperty(ENTITY_DOT), EMPTY);
insertSqlProperty = LEFT_BRACKET + insertSqlProperty.substring(0, insertSqlProperty.length() - 1) + RIGHT_BRACKET;
String valuesScript = SqlScriptUtils.convertForeach(insertSqlProperty, "list", null, ENTITY, COMMA);
String keyProperty = null;
String keyColumn = null;
// 表包含主键处理逻辑,如果不包含主键当普通字段处理
if (StringUtils.isNotEmpty(tableInfo.getKeyProperty())) {
if (tableInfo.getIdType() == IdType.AUTO) {
/* 自增主键 */
keyGenerator = new Jdbc3KeyGenerator();
keyProperty = tableInfo.getKeyProperty();
keyColumn = tableInfo.getKeyColumn();
} else {
if (null != tableInfo.getKeySequence()) {
keyGenerator = TableInfoHelper.genKeyGenerator(sqlMethod.getMethod(), tableInfo, builderAssistant);
keyProperty = tableInfo.getKeyProperty();
keyColumn = tableInfo.getKeyColumn();
}
}
}
String sql = String.format(sqlTemplate, tableInfo.getTableName(), columnScript, valuesScript);
SqlSource sqlSource = languageDriver.createSqlSource(configuration, sql, modelClass);
return this.addInsertMappedStatement(mapperClass, modelClass, MAPPER_METHOD, sqlSource, keyGenerator, keyProperty, keyColumn);
}
}

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@@ -1,5 +1,6 @@
package cn.lili.mybatis.mybatisplus.external;


import java.util.List;

/**
Expand All @@ -16,4 +17,6 @@ public interface SpiceBaseMapper<T> {
* @return 成功插入的数据条数
*/
long insertBatchSomeColumn(List<T> entityList);

int insertIgnoreBatchAllColumn(List<T> list);
}
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Expand Up @@ -28,6 +28,7 @@ public List<AbstractMethod> getMethodList(Class<?> mapperClass, TableInfo tableI
// methodList.add(new InsertBatchSomeColumn(t -> !t.isLogicDelete() && !"update_time".equals(t.getColumn())));
// 要逻辑删除 t.isLogicDelete() 默认不要
methodList.add(new InsertBatchSomeColumn(t -> !t.isLogicDelete()));
methodList.add(new InsertIgnoreBatchAllColumn());
return methodList;
}
}

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