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fix: 1186 Fixed the problem that MySQL cannot obtain table comments. #1188

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fix: 1186 Fixed the problem that MySQL cannot obtain table comments. #1188

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20 changes: 17 additions & 3 deletions ...er/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/MysqlDBManage.java
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Original file line number Diff line number Diff line change
@@ -1,13 +1,16 @@
package ai.chat2db.plugin.mysql;

import java.sql.Connection;
import java.sql.SQLException;

import ai.chat2db.spi.DBManage;
import ai.chat2db.spi.jdbc.DefaultDBManage;
import ai.chat2db.spi.model.KeyValue;
import ai.chat2db.spi.sql.ConnectInfo;
import ai.chat2db.spi.sql.SQLExecutor;
import org.springframework.util.StringUtils;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;

public class MysqlDBManage extends DefaultDBManage implements DBManage {
@Override
public void connectDatabase(Connection connection, String database) {
Expand All @@ -29,6 +32,17 @@ public void dropTable(Connection connection, String databaseName, String schemaN
SQLExecutor.getInstance().execute(connection,sql, resultSet -> null);
}

@Override
public Connection getConnection(ConnectInfo connectInfo) {
KeyValue keyValue = new KeyValue();
keyValue.setKey("useInformationSchema");
keyValue.setValue("true");
List<KeyValue> extendInfoList = connectInfo.getExtendInfo();
extendInfoList.add(keyValue);
connectInfo.setExtendInfo(extendInfoList);
return super.getConnection(connectInfo);
}

public static String format(String tableName) {
return "`" + tableName + "`";
}
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