diff --git a/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/AbstractDataAccessService.java b/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/AbstractDataAccessService.java
index 4fa8ea52417b3c3a82f1a475febc289a01d9e3af..d779268551ddac3b0f8f0ed9136bdceb0d6ecb82 100644
--- a/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/AbstractDataAccessService.java
+++ b/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/AbstractDataAccessService.java
@@ -283,6 +283,32 @@ public abstract class AbstractDataAccessService implements DataAccessService {
         return list;
     }
 
+    /**
+     * query table metadata
+     *
+     * @param executeQueryStatement executeQueryStatement
+     * @return metadata
+     */
+    public TableMetadata adasQueryTableMetadata(String executeQueryStatement) {
+        Connection connection = getConnection();
+        TableMetadata metadata = null;
+        try (PreparedStatement ps = connection.prepareStatement(executeQueryStatement);
+            ResultSet resultSet = ps.executeQuery()) {
+            while (resultSet.next()) {
+                metadata = new TableMetadata();
+                metadata.setSchema(resultSet.getString(RS_COL_SCHEMA));
+                metadata.setTableName(resultSet.getString(RS_COL_TABLE_NAME));
+                metadata.setTableRows(resultSet.getLong(RS_COL_TABLE_ROWS));
+                metadata.setAvgRowLength(resultSet.getLong(RS_COL_AVG_ROW_LENGTH));
+            }
+        } catch (SQLException esql) {
+            LogUtils.error(log, "{}adasQueryTableMetadata error: ", ErrorCode.EXECUTE_QUERY_SQL, esql);
+        } finally {
+            closeConnection(connection);
+        }
+        return metadata;
+    }
+
     /**
      * 查询表数据抽样检查点清单
      *
diff --git a/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/OpgsDataAccessService.java b/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/OpgsDataAccessService.java
index ff83211a2651e8752d46d9d637bf14d1a83606b9..6d23ad332b18e5d40ef33740788a4081875d24fd 100644
--- a/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/OpgsDataAccessService.java
+++ b/datachecker-extract/src/main/java/org/opengauss/datachecker/extract/data/access/OpgsDataAccessService.java
@@ -37,6 +37,7 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 
@@ -149,7 +150,15 @@ public class OpgsDataAccessService extends AbstractDataAccessService {
 
     @Override
     public TableMetadata queryTableMetadata(String tableName) {
-        return wrapperTableMetadata(opgsMetaDataMapper.queryTableMetadata(properties.getSchema(), tableName));
+        LowerCaseTableNames lowerCaseTableNames = getLowerCaseTableNames();
+        boolean isSensitive = Objects.equals(LowerCaseTableNames.SENSITIVE, lowerCaseTableNames);
+        String colTableName = isSensitive ? "c.relname tableName" : "lower(c.relname) tableName";
+        String queryTable = isSensitive ? tableName : tableName.toLowerCase(Locale.ROOT);
+        String sql = " select n.nspname tableSchema, " + colTableName + ",c.reltuples tableRows, "
+            + " case when c.reltuples>0 then pg_table_size(c.oid)/c.reltuples else 0 end as avgRowLength "
+            + " from pg_class c LEFT JOIN pg_namespace n on n.oid = c.relnamespace where n.nspname='"
+            + properties.getSchema() + "' and c.relkind ='r' and c.relname='" + queryTable + "';";
+        return wrapperTableMetadata(adasQueryTableMetadata(sql));
     }
 
     @Override