fix(db-browser): failed to getTable in mysql5.6

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/mysql/MySQLNoGreaterThan5740IndexEditor.java → libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/mysql/MySQLNoLessThan5700IndexEditor.java

@@ -28,9 +28,11 @@
 import com.oceanbase.tools.dbbrowser.util.StringUtils;
 
 /**
+ * 适配 MySQL 版本：[5.7.00, ~)
+ * 
  * @author jingtian
  */
-public class MySQLNoGreaterThan5740IndexEditor extends DBTableIndexEditor {
+public class MySQLNoLessThan5700IndexEditor extends DBTableIndexEditor {
 
     @Override
     protected void appendIndexColumnModifiers(DBTableIndex index, SqlBuilder sqlBuilder) {}

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/mysql/OBMySQLIndexEditor.java

@@ -27,7 +27,7 @@
  * @Date: 2022/7/19 下午5:04
  * @Description: []
  */
-public class OBMySQLIndexEditor extends MySQLNoGreaterThan5740IndexEditor {
+public class OBMySQLIndexEditor extends MySQLNoLessThan5700IndexEditor {
 
 
     @Override

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/DBSchemaAccessorSqlMappers.java

@@ -51,7 +51,8 @@ public class DBSchemaAccessorSqlMappers {
                 StatementsFiles.OBMYSQL_2276,
                 StatementsFiles.OBMYSQL_225X,
                 StatementsFiles.OBMYSQL_1479,
-                StatementsFiles.MYSQL_5_7_40,
+                StatementsFiles.MYSQL_5_7_x,
+                StatementsFiles.MYSQL_5_6_x,
                 StatementsFiles.OBORACLE_3_x,
                 StatementsFiles.OBORACLE_4_0_x,
                 StatementsFiles.ORACLE_11_g));

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/constant/StatementsFiles.java

@@ -31,7 +31,9 @@ public final class StatementsFiles {
 
     public static final String OBMYSQL_1479 = "schema/sql/obmysql/obmysql_1_4_79.yaml";
 
-    public static final String MYSQL_5_7_40 = "schema/sql/mysql/mysql_5_7_40.yaml";
+    public static final String MYSQL_5_7_x = "schema/sql/mysql/mysql_5_7_x.yaml";
+
+    public static final String MYSQL_5_6_x = "schema/sql/mysql/mysql_5_6_x.yaml";
 
     public static final String OBORACLE_4_0_x = "schema/sql/oboracle/oboracle_4_0_x.yaml";
 

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/doris/DorisSchemaAccessor.java

@@ -70,7 +70,7 @@ public class DorisSchemaAccessor implements DBSchemaAccessor {
 
     public DorisSchemaAccessor(@NonNull JdbcOperations jdbcOperations) {
         this.jdbcOperations = jdbcOperations;
-        this.sqlMapper = DBSchemaAccessorSqlMappers.get(StatementsFiles.MYSQL_5_7_40);
+        this.sqlMapper = DBSchemaAccessorSqlMappers.get(StatementsFiles.MYSQL_5_7_x);
     }
 
     @Override

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/mysql/MySQLNoLessThan5600SchemaAccessor.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2023 OceanBase.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.oceanbase.tools.dbbrowser.schema.mysql;
+
+import org.springframework.jdbc.core.JdbcOperations;
+
+import com.oceanbase.tools.dbbrowser.schema.DBSchemaAccessorSqlMappers;
+import com.oceanbase.tools.dbbrowser.schema.constant.StatementsFiles;
+
+/**
+ *
+ * {@link MySQLNoLessThan5600SchemaAccessor}
+ *
+ * 适配 MySQL 版本：[5.6.00, 5.7.00)
+ *
+ * @author jingtian
+ * @date 2024/2/26
+ * @since ODC_release_4.2.4
+ */
+public class MySQLNoLessThan5600SchemaAccessor extends MySQLNoLessThan5700SchemaAccessor {
+    public MySQLNoLessThan5600SchemaAccessor(JdbcOperations jdbcOperations) {
+        super(jdbcOperations);
+        this.sqlMapper = DBSchemaAccessorSqlMappers.get(StatementsFiles.MYSQL_5_6_x);
+    }
+
+    @Override
+    protected boolean supportGeneratedColumn() {
+        return false;
+    }
+}

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/mysql/MySQLNoGreaterThan5740SchemaAccessor.java → libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/mysql/MySQLNoLessThan5700SchemaAccessor.java

@@ -101,19 +101,19 @@
 import lombok.extern.slf4j.Slf4j;
 
 /**
- * {@link MySQLNoGreaterThan5740SchemaAccessor}
+ * {@link MySQLNoLessThan5700SchemaAccessor}
  *
- * 适配 MySQL 版本：(~, 5.7.40]
+ * 适配 MySQL 版本：[5.7.00, ~)
  */
 @Slf4j
-public class MySQLNoGreaterThan5740SchemaAccessor implements DBSchemaAccessor {
+public class MySQLNoLessThan5700SchemaAccessor implements DBSchemaAccessor {
 
     protected JdbcOperations jdbcOperations;
     protected DBSchemaAccessorSqlMapper sqlMapper;
 
-    public MySQLNoGreaterThan5740SchemaAccessor(@NonNull JdbcOperations jdbcOperations) {
+    public MySQLNoLessThan5700SchemaAccessor(@NonNull JdbcOperations jdbcOperations) {
         this.jdbcOperations = jdbcOperations;
-        this.sqlMapper = DBSchemaAccessorSqlMappers.get(StatementsFiles.MYSQL_5_7_40);
+        this.sqlMapper = DBSchemaAccessorSqlMappers.get(StatementsFiles.MYSQL_5_7_x);
     }
 
     @Override
@@ -499,7 +499,9 @@ protected RowMapper<DBTableColumn> listTableRowMapper() {
             tableColumn.setComment(rs.getString(MySQLConstants.COL_COLUMN_COMMENT));
             tableColumn.fillDefaultValue(rs.getString(MySQLConstants.COL_COLUMN_DEFAULT));
             tableColumn.setNullable("YES".equalsIgnoreCase(rs.getString(MySQLConstants.COL_IS_NULLABLE)));
-            tableColumn.setGenExpression(rs.getString(MySQLConstants.COL_COLUMN_GENERATION_EXPRESSION));
+            if (supportGeneratedColumn()) {
+                tableColumn.setGenExpression(rs.getString(MySQLConstants.COL_COLUMN_GENERATION_EXPRESSION));
+            }
             tableColumn.setVirtual(StringUtils.isNotEmpty(tableColumn.getGenExpression()));
             tableColumn.setOrdinalPosition(rs.getInt(MySQLConstants.COL_ORDINAL_POSITION));
             String keyTypeName = rs.getString(MySQLConstants.COL_COLUMN_KEY);
@@ -536,6 +538,10 @@ protected RowMapper<DBTableColumn> listTableRowMapper() {
         };
     }
 
+    protected boolean supportGeneratedColumn() {
+        return true;
+    }
+
     protected RowMapper<DBTableColumn> listBasicTableColumnRowMapper() {
         return (rs, romNum) -> {
             DBTableColumn tableColumn = new DBTableColumn();

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/mysql/OBMySQLSchemaAccessor.java

@@ -54,7 +54,7 @@
  * @author jingtian
  */
 @Slf4j
-public class OBMySQLSchemaAccessor extends MySQLNoGreaterThan5740SchemaAccessor {
+public class OBMySQLSchemaAccessor extends MySQLNoLessThan5700SchemaAccessor {
 
     protected static final Set<String> ESCAPE_SCHEMA_SET = new HashSet<>(3);
 

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/schema/mysql/ODPOBMySQLSchemaAccessor.java

@@ -33,7 +33,7 @@
 /**
  * @author jingtian
  */
-public class ODPOBMySQLSchemaAccessor extends MySQLNoGreaterThan5740SchemaAccessor {
+public class ODPOBMySQLSchemaAccessor extends MySQLNoLessThan5700SchemaAccessor {
 
     public ODPOBMySQLSchemaAccessor(JdbcOperations jdbcOperations) {
         super(jdbcOperations);

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/stats/mysql/DorisStatsAccessor.java

@@ -26,7 +26,7 @@
  * @Create 2024/2/5 16:23
  * @Version 1.0
  */
-public class DorisStatsAccessor extends MySQLNoGreaterThan5740StatsAccessor {
+public class DorisStatsAccessor extends MySQLNoLessThan5700StatsAccessor {
     public DorisStatsAccessor(@NonNull JdbcOperations jdbcOperations) {
         super(jdbcOperations);
     }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/stats/mysql/MySQLNoGreaterThan5740StatsAccessor.java → libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/stats/mysql/MySQLNoLessThan5700StatsAccessor.java

@@ -30,11 +30,11 @@
 import lombok.NonNull;
 
 /**
- * {@link MySQLNoGreaterThan5740StatsAccessor}
+ * {@link MySQLNoLessThan5700StatsAccessor}
  *
- * 适配 MySQL 版本：(~, 5.7.40]
+ * 适配 MySQL 版本：[5.7.00, ~)
  */
-public class MySQLNoGreaterThan5740StatsAccessor implements DBStatsAccessor {
+public class MySQLNoLessThan5700StatsAccessor implements DBStatsAccessor {
     private static final String QUERY_SESSION_FROM_PROCESSLIST = "SELECT `ID`, "
             + "`USER` as USERNAME, "
             + "`DB` as DATABASE_NAME, "
@@ -56,7 +56,7 @@ public class MySQLNoGreaterThan5740StatsAccessor implements DBStatsAccessor {
 
     final JdbcOperations jdbcOperations;
 
-    public MySQLNoGreaterThan5740StatsAccessor(@NonNull JdbcOperations jdbcOperations) {
+    public MySQLNoLessThan5700StatsAccessor(@NonNull JdbcOperations jdbcOperations) {
         this.jdbcOperations = jdbcOperations;
     }
 

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/stats/mysql/OBMySQLStatsAccessor.java

@@ -26,7 +26,7 @@
  * @date 2022-11-09 15:02
  * @since ODC_release_4.1.0
  */
-public class OBMySQLStatsAccessor extends MySQLNoGreaterThan5740StatsAccessor {
+public class OBMySQLStatsAccessor extends MySQLNoLessThan5700StatsAccessor {
 
     public OBMySQLStatsAccessor(@NonNull JdbcOperations jdbcOperations) {
         super(jdbcOperations);

libs/db-browser/src/main/resources/schema/sql/mysql/mysql_5_6_x.yaml

@@ -0,0 +1,183 @@
+sqls:
+  list-basic-table-columns: |-
+    SELECT
+      TABLE_SCHEMA,
+      TABLE_NAME,
+      COLUMN_NAME,
+      DATA_TYPE,
+      COLUMN_COMMENT
+    FROM
+      information_schema.columns
+    WHERE
+      TABLE_SCHEMA = ? AND TABLE_NAME = ?
+    ORDER BY
+      ORDINAL_POSITION ASC
+  list-basic-schema-table-columns: |-
+    SELECT
+      TABLE_SCHEMA,
+      TABLE_NAME,
+      COLUMN_NAME,
+      DATA_TYPE,
+      COLUMN_COMMENT
+    FROM
+      information_schema.columns
+    WHERE
+      TABLE_SCHEMA = ?
+      AND TABLE_NAME IN (
+        SELECT
+          TABLE_NAME
+        FROM
+          information_schema.tables
+        WHERE
+          TABLE_SCHEMA = ? AND TABLE_TYPE = 'BASE TABLE'
+      )
+    ORDER BY
+      TABLE_NAME ASC,
+      ORDINAL_POSITION ASC
+  list-basic-view-columns: |-
+    SELECT
+      TABLE_SCHEMA,
+      TABLE_NAME,
+      COLUMN_NAME,
+      DATA_TYPE,
+      COLUMN_COMMENT
+    FROM
+      information_schema.columns
+    WHERE
+      TABLE_SCHEMA = ? AND TABLE_NAME = ?
+    ORDER BY
+      ORDINAL_POSITION ASC
+  list-basic-schema-view-columns: |-
+    SELECT
+      TABLE_SCHEMA,
+      TABLE_NAME,
+      COLUMN_NAME,
+      DATA_TYPE,
+      COLUMN_COMMENT
+    FROM
+      information_schema.columns
+    WHERE
+      TABLE_SCHEMA = ?
+      AND TABLE_NAME IN (
+        SELECT
+          TABLE_NAME
+        FROM
+          information_schema.tables
+        WHERE
+          TABLE_SCHEMA = ? AND TABLE_TYPE = 'VIEW'
+      )
+    ORDER BY
+      TABLE_NAME ASC,
+      ORDINAL_POSITION ASC
+  list-table-columns: |-
+    SELECT
+      TABLE_NAME,
+      TABLE_SCHEMA,
+      ORDINAL_POSITION,
+      COLUMN_NAME,
+      DATA_TYPE,
+      COLUMN_TYPE,
+      NUMERIC_SCALE,
+      NUMERIC_PRECISION,
+      DATETIME_PRECISION,
+      NUMERIC_SCALE,
+      CHARACTER_MAXIMUM_LENGTH,
+      EXTRA,
+      CHARACTER_SET_NAME,
+      COLLATION_NAME,
+      COLUMN_COMMENT,
+      COLUMN_DEFAULT,
+      IS_NULLABLE,
+      COLUMN_KEY
+    FROM
+      information_schema.columns
+    WHERE
+      TABLE_SCHEMA = ? AND TABLE_NAME = ?
+    ORDER BY
+      ORDINAL_POSITION ASC
+  list-table-constraints: |-
+    SELECT
+      t1.CONSTRAINT_NAME,
+      t1.CONSTRAINT_SCHEMA,
+      t1.TABLE_NAME,
+      t1.COLUMN_NAME,
+      t1.ORDINAL_POSITION,
+      t1.REFERENCED_TABLE_SCHEMA,
+      t1.REFERENCED_TABLE_NAME,
+      t1.REFERENCED_COLUMN_NAME,
+      t2.CONSTRAINT_TYPE
+    FROM
+      information_schema.key_column_usage t1
+      LEFT JOIN information_schema.table_constraints t2 ON t1.TABLE_NAME = t2.TABLE_NAME
+      and t1.TABLE_SCHEMA = t2.TABLE_SCHEMA
+      and t1.CONSTRAINT_NAME = t2.CONSTRAINT_NAME
+    WHERE
+      t1.TABLE_SCHEMA = ? AND t1.TABLE_NAME = ?
+    ORDER BY
+      t1.CONSTRAINT_NAME,
+      t1.ORDINAL_POSITION ASC
+  get-table-option: |-
+    SELECT
+      `CREATE_TIME`,
+      `UPDATE_TIME`,
+      `AUTO_INCREMENT`,
+      `TABLE_COLLATION`,
+      `TABLE_COMMENT`
+    FROM
+      `information_schema`.`tables`
+    WHERE
+      TABLE_SCHEMA = ? and TABLE_NAME = ?
+  get-partition: |-
+    SELECT
+      PARTITION_NAME,
+      SUBPARTITION_NAME,
+      COUNT(SUBPARTITION_NAME) AS SUB_NUM,
+      PARTITION_ORDINAL_POSITION,
+      PARTITION_METHOD,
+      SUBPARTITION_METHOD,
+      PARTITION_EXPRESSION,
+      SUBPARTITION_EXPRESSION,
+      PARTITION_DESCRIPTION 
+    FROM
+      information_schema.partitions
+    WHERE
+      TABLE_SCHEMA = ? AND TABLE_NAME = ?
+    GROUP BY
+      PARTITION_NAME
+    ORDER BY
+      PARTITION_NAME ASC
+  list-partitions: |-
+    SELECT
+      PARTITION_NAME as PARTITION_NAME,
+      SUBPARTITION_NAME as SUBPARTITION_NAME,
+      PARTITION_ORDINAL_POSITION as PARTITION_ORDINAL_POSITION,
+      PARTITION_METHOD as PARTITION_METHOD,
+      SUBPARTITION_METHOD as SUBPARTITION_METHOD,
+      PARTITION_EXPRESSION as PARTITION_EXPRESSION,
+      SUBPARTITION_EXPRESSION as SUBPARTITION_EXPRESSION,
+      PARTITION_DESCRIPTION as PARTITION_DESCRIPTION,
+      TABLE_NAME as TABLE_NAME
+    FROM
+      information_schema.partitions
+    WHERE
+      TABLE_SCHEMA = ? AND PARTITION_NAME is not null
+  list-schema-index: |-
+    SELECT 
+      TABLE_SCHEMA, 
+      TABLE_NAME, 
+      NON_UNIQUE, 
+      INDEX_NAME, 
+      SEQ_IN_INDEX, 
+      COLUMN_NAME,
+      COLLATION, 
+      CARDINALITY, 
+      SUB_PART, 
+      INDEX_TYPE, 
+      COMMENT, 
+      INDEX_COMMENT
+    FROM
+      information_schema.statistics 
+    WHERE TABLE_SCHEMA = ? 
+    ORDER BY 
+      TABLE_NAME, 
+      SEQ_IN_INDEX