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fix: 修复采集数据源时，表字段有sql保留字冲突的名称报错问题 #532

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fix: 修复采集数据源时，表字段有sql保留字冲突的名称报错问题 #532

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53c6f7f
初始化数据源时，数据字段名和sql保留字冲突时，初始化异常
wangjie-zzz Jun 4, 2026
617bd9c
初始化数据源时，数据字段名和sql保留字冲突时，初始化异常
wangjie-zzz Jun 4, 2026
abe862d
初始化数据源时，数据字段名和sql保留字冲突时，初始化异常
wangjie-zzz Jun 5, 2026
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2 changes: 1 addition & 1 deletion ...ent/src/main/java/com/alibaba/cloud/ai/dataagent/service/schema/TableMetadataService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,7 @@ private Map<String, List<String>> fetchTableSampleData(DbConfigBO dbConfig, Acce

try {
// 构建批量查询SQL，一次查询多个列的样本数据
String columnNames = columns.stream().map(ColumnInfoBO::getName).collect(Collectors.joining(", "));
String columnNames = SqlUtil.buildColumnsSql(dbConfig.getDialectType(), columns);
String sql = SqlUtil.buildSelectSql(dbConfig.getDialectType(), tableName, columnNames, 5);

DbQueryParameter batchParam = new DbQueryParameter();
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21 changes: 21 additions & 0 deletions data-agent-management/src/main/java/com/alibaba/cloud/ai/dataagent/util/SqlUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,13 @@
*/
package com.alibaba.cloud.ai.dataagent.util;

import com.alibaba.cloud.ai.dataagent.bo.schema.ColumnInfoBO;
import com.alibaba.cloud.ai.dataagent.enums.BizDataSourceTypeEnum;
import lombok.experimental.UtilityClass;
import org.apache.commons.collections.CollectionUtils;

import java.util.List;
import java.util.stream.Collectors;

/**
* SQL 工具类
Expand All @@ -27,6 +32,22 @@
@UtilityClass
public class SqlUtil {

/**
* 构建Columns SQL块
* @param typeName 数据源类型
* @param columnInfoBOs 列名
* @return Columns SQL块
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*/
public static String buildColumnsSql(String typeName, List<ColumnInfoBO> columnInfoBOs) {
if (CollectionUtils.isEmpty(columnInfoBOs)) {
return "*";
}
if (BizDataSourceTypeEnum.isMysqlDialect(typeName)) {
// mysql使用``标识对象
return columnInfoBOs.stream().map(ColumnInfoBO::getName).map(name -> String.format("`%s`", name)).collect(Collectors.joining(", "));
}
return columnInfoBOs.stream().map(ColumnInfoBO::getName).map(name -> String.format("\"%s\"", name)).collect(Collectors.joining(", "));
}
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/**
* 构建SELECT SQL语句
* @param typeName 数据源类型
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