✨ 支持达梦数据库

20111564 · Sep 18, 2020 · c3167e3 · c3167e3
1 parent a622bdd
commit c3167e3
Showing 1 changed file with 50 additions and 49 deletions.
diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java b/screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java
@@ -54,57 +54,58 @@
  */
 @SuppressWarnings("serial")
 public class DmDataBaseQuery extends AbstractDatabaseQuery {
-    private ConcurrentMap<String, List<DmTableModel>> tablesMap            = new ConcurrentHashMap<>();
-    private static String                             DM_QUERY_TABLE_SQL   = ""
-                                                                             + "select                                "
-                                                                             + "    ut.table_name TABLE_NAME,         "
-                                                                             + "    utc.comments COMMENTS             "
-                                                                             + "from                                  "
-                                                                             + "        user_tables ut                "
-                                                                             + "left join USER_TAB_COMMENTS utc       "
-                                                                             + "on                                    "
-                                                                             + "        ut.table_name=utc.table_name  ";
+    private final ConcurrentMap<String, List<DmTableModel>> tablesMap            = new ConcurrentHashMap<>();
+    private static final String                             DM_QUERY_TABLE_SQL   = ""
+                                                                                   + "select                                "
+                                                                                   + "    ut.table_name TABLE_NAME,         "
+                                                                                   + "    utc.comments COMMENTS             "
+                                                                                   + "from                                  "
+                                                                                   + "        user_tables ut                "
+                                                                                   + "left join USER_TAB_COMMENTS utc       "
+                                                                                   + "on                                    "
+                                                                                   + "        ut.table_name=utc.table_name  ";
 
-    private static String                             DM_QUERY_COLUMNS_SQL = "" + "select         "
-                                                                             + "        ut.table_name TABLE_NAME    ,    "
-                                                                             + "        uc.column_name COLUMN_NAME  ,    "
-                                                                             //+ "        case uc.data_type when 'INT' then uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type when 'INTEGER' then uc.data_type else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
-                                                                             + "        case uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type  else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
-                                                                             + "        uc.data_length COLUMN_LENGTH  ,  "
-                                                                             + "        uc.DATA_PRECISION  DATA_PRECISION,  "
-                                                                             + "        uc.DATA_SCALE DECIMAL_DIGITS,  "
-                                                                             + "        case uc.NULLABLE when 'Y' then '1' else '0' end case NULLABLE,"
-                                                                             + "        uc.DATA_DEFAULT COLUMN_DEF,  "
-                                                                             + "        ucc.comments REMARKS          "
-                                                                             + "from                                     "
-                                                                             + "        user_tables ut                     "
-                                                                             + "left join USER_TAB_COMMENTS utc            "
-                                                                             + "on                                         "
-                                                                             + "        ut.table_name=utc.table_name       "
-                                                                             + "left join user_tab_columns uc              "
-                                                                             + "on                                         "
-                                                                             + "        ut.table_name=uc.table_name        "
-                                                                             + "left join user_col_comments ucc            "
-                                                                             + "on                                         "
-                                                                             + "        uc.table_name =ucc.table_name      "
-                                                                             + "    and uc.column_name=ucc.column_name  "
-                                                                             + "where 1=1  ";
+    private static final String                             DM_QUERY_COLUMNS_SQL = ""
+                                                                                   + "select         "
+                                                                                   + "        ut.table_name TABLE_NAME    ,    "
+                                                                                   + "        uc.column_name COLUMN_NAME  ,    "
+                                                                                   //+ "        case uc.data_type when 'INT' then uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type when 'INTEGER' then uc.data_type else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
+                                                                                   + "        case uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type  else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
+                                                                                   + "        uc.data_length COLUMN_LENGTH  ,  "
+                                                                                   + "        uc.DATA_PRECISION  DATA_PRECISION,  "
+                                                                                   + "        uc.DATA_SCALE DECIMAL_DIGITS,  "
+                                                                                   + "        case uc.NULLABLE when 'Y' then '1' else '0' end case NULLABLE,"
+                                                                                   + "        uc.DATA_DEFAULT COLUMN_DEF,  "
+                                                                                   + "        ucc.comments REMARKS          "
+                                                                                   + "from                                     "
+                                                                                   + "        user_tables ut                     "
+                                                                                   + "left join USER_TAB_COMMENTS utc            "
+                                                                                   + "on                                         "
+                                                                                   + "        ut.table_name=utc.table_name       "
+                                                                                   + "left join user_tab_columns uc              "
+                                                                                   + "on                                         "
+                                                                                   + "        ut.table_name=uc.table_name        "
+                                                                                   + "left join user_col_comments ucc            "
+                                                                                   + "on                                         "
+                                                                                   + "        uc.table_name =ucc.table_name      "
+                                                                                   + "    and uc.column_name=ucc.column_name  "
+                                                                                   + "where 1=1  ";
 
-    private static String                             DM_QUERY_PK_SQL      = "" + "SELECT "
-                                                                             + "C.OWNER AS TABLE_SCHEM, "
-                                                                             + "C.TABLE_NAME          , "
-                                                                             + "C.COLUMN_NAME         , "
-                                                                             + "C.POSITION        AS KEY_SEQ , "
-                                                                             + "C.CONSTRAINT_NAME AS PK_NAME "
-                                                                             + "FROM "
-                                                                             + "        ALL_CONS_COLUMNS C, "
-                                                                             + "        ALL_CONSTRAINTS K "
-                                                                             + "WHERE "
-                                                                             + "        K.CONSTRAINT_TYPE = 'P' "
-                                                                             + "    AND K.OWNER           = '%s' "
-                                                                             + "    AND K.CONSTRAINT_NAME = C.CONSTRAINT_NAME "
-                                                                             + "    AND K.TABLE_NAME      = C.TABLE_NAME "
-                                                                             + "    AND K.OWNER           = C.OWNER ";
+    private static final String                             DM_QUERY_PK_SQL      = "" + "SELECT "
+                                                                                   + "C.OWNER AS TABLE_SCHEM, "
+                                                                                   + "C.TABLE_NAME          , "
+                                                                                   + "C.COLUMN_NAME         , "
+                                                                                   + "C.POSITION        AS KEY_SEQ , "
+                                                                                   + "C.CONSTRAINT_NAME AS PK_NAME "
+                                                                                   + "FROM "
+                                                                                   + "        ALL_CONS_COLUMNS C, "
+                                                                                   + "        ALL_CONSTRAINTS K "
+                                                                                   + "WHERE "
+                                                                                   + "        K.CONSTRAINT_TYPE = 'P' "
+                                                                                   + "    AND K.OWNER           = '%s' "
+                                                                                   + "    AND K.CONSTRAINT_NAME = C.CONSTRAINT_NAME "
+                                                                                   + "    AND K.TABLE_NAME      = C.TABLE_NAME "
+                                                                                   + "    AND K.OWNER           = C.OWNER ";
 
     /**
      * 构造函数