fix: codegen can not get oracle comments

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/Generator.java

@@ -107,7 +107,7 @@ public class Generator {
 
                 buildPrimaryKey(table);
 
-                dialect.buildTableColumns(table, globalConfig, dbMeta, conn);
+                dialect.buildTableColumns(schemaName,table, globalConfig, dbMeta, conn);
 
                 tables.add(table);
             }

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/dialect/IDialect.java

@@ -62,6 +62,11 @@ public interface IDialect {
         public ResultSet getTablesResultSet(DatabaseMetaData dbMeta, Connection conn, String schema, String[] types) throws SQLException {
             return dbMeta.getTables(conn.getCatalog(), StringUtil.isNotBlank(schema) ? schema : dbMeta.getUserName(), null, types);
         }
+
+        @Override
+        protected ResultSet forRemarks(String schema, Table table, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
+            return dbMeta.getColumns(conn.getCatalog(), StringUtil.isNotBlank(schema) ? schema : dbMeta.getUserName(), table.getName(), null);
+        }
     };
 
     /**
@@ -72,13 +77,14 @@ public interface IDialect {
     /**
      * 构建表和列的信息。
      *
+     * @param schemaName
      * @param table        存入的表对象
      * @param globalConfig 全局配置
      * @param dbMeta       数据库元数据
      * @param conn         连接
      * @throws SQLException 发生 SQL 异常时抛出
      */
-    void buildTableColumns(Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException;
+    void buildTableColumns(String schemaName, Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException;
 
     /**
      * 获取表的描述信息。

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/dialect/JdbcDialect.java

@@ -29,8 +29,8 @@ import java.util.Map;
 public abstract class JdbcDialect implements IDialect {
 
     @Override
-    public void buildTableColumns(Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
+    public void buildTableColumns(String schemaName, Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
-        Map<String, String> columnRemarks = buildColumnRemarks(table, dbMeta, conn);
+        Map<String, String> columnRemarks = buildColumnRemarks(schemaName,table, dbMeta, conn);
 
         String sql = forBuildColumnsSql(table.getSchema(), table.getName());
         try (Statement stm = conn.createStatement(); ResultSet rs = stm.executeQuery(sql)) {
@@ -55,9 +55,9 @@ public abstract class JdbcDialect implements IDialect {
         }
     }
 
-    private Map<String, String> buildColumnRemarks(Table table, DatabaseMetaData dbMeta, Connection conn) {
+    private Map<String, String> buildColumnRemarks(String schemaName, Table table, DatabaseMetaData dbMeta, Connection conn) {
         Map<String, String> columnRemarks = new HashMap<>();
-        try (ResultSet colRs = dbMeta.getColumns(conn.getCatalog(), null, table.getName(), null)) {
+        try (ResultSet colRs = forRemarks(schemaName,table, dbMeta, conn)) {
             while (colRs.next()) {
                 columnRemarks.put(colRs.getString("COLUMN_NAME"), colRs.getString("REMARKS"));
             }
@@ -67,6 +67,7 @@ public abstract class JdbcDialect implements IDialect {
         return columnRemarks;
     }
 
+
     @Override
     public ResultSet getTablesResultSet(DatabaseMetaData dbMeta, Connection conn, String schema, String[] types) throws SQLException {
         return dbMeta.getTables(conn.getCatalog(), schema, null, types);
@@ -81,4 +82,23 @@ public abstract class JdbcDialect implements IDialect {
      */
     abstract String forBuildColumnsSql(String schema, String tableName);
 
+
+    /**
+     * 构建 remarks 的 ResultSet
+     *
+     * @param schemaName
+     * @param table
+     * @param dbMeta
+     * @param conn
+     * @return
+     * @throws SQLException
+     */
+    protected ResultSet forRemarks(String schemaName, Table table, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
+        return dbMeta.getColumns(conn.getCatalog(), null, table.getName(), null);
+    }
+
+
+
+
+
 }

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/dialect/SqliteDialect.java

@@ -29,7 +29,7 @@ import java.sql.*;
 public class SqliteDialect implements IDialect {
 
     @Override
-    public void buildTableColumns(Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
+    public void buildTableColumns(String schemaName, Table table, GlobalConfig globalConfig, DatabaseMetaData dbMeta, Connection conn) throws SQLException {
         Statement statement = conn.createStatement();
         ResultSet rs = statement.executeQuery("pragma table_info(" + table.getName() + ")");