Ejemplo n.º 1
0
  /**
   * 取得数据库的表信息
   *
   * @return
   */
  public ArrayList<DBMasterEntity> getTables() {
    ArrayList<DBMasterEntity> tadbMasterArrayList = new ArrayList<DBMasterEntity>();
    String sql = "select * from sqlite_master where type='table' order by name";
    CHLogger.i(SQLiteDB.this, sql);
    if (testSQLiteDatabase()) {
      if (sql != null && !sql.equalsIgnoreCase("")) {
        this.queryStr = sql;
        free();
        queryCursor =
            mSQLiteDatabase.rawQuery(
                "select * from sqlite_master where type='table' order by name", null);

        if (queryCursor != null) {
          while (queryCursor.moveToNext()) {
            if (queryCursor != null && queryCursor.getColumnCount() > 0) {
              DBMasterEntity tadbMasterEntity = new DBMasterEntity();
              tadbMasterEntity.setType(queryCursor.getString(0));
              tadbMasterEntity.setName(queryCursor.getString(1));
              tadbMasterEntity.setTbl_name(queryCursor.getString(2));
              tadbMasterEntity.setRootpage(queryCursor.getInt(3));
              tadbMasterEntity.setSql(queryCursor.getString(4));
              tadbMasterArrayList.add(tadbMasterEntity);
            }
          }
        } else {
          CHLogger.e(SQLiteDB.this, "数据库未打开!");
        }
      }
    } else {
      CHLogger.e(SQLiteDB.this, "数据库未打开!");
    }
    return tadbMasterArrayList;
  }
Ejemplo n.º 2
0
  /**
   * INSERT, UPDATE 以及DELETE
   *
   * @param sql 语句
   * @param bindArgs
   * @throws CHDBNotOpenException
   */
  public void execute(String sql, String[] bindArgs) throws CHDBNotOpenException {
    CHLogger.i(SQLiteDB.this, "准备执行SQL[" + sql + "]语句");
    if (testSQLiteDatabase()) {
      if (sql != null && !sql.equalsIgnoreCase("")) {
        this.queryStr = sql;
        if (bindArgs != null) {
          mSQLiteDatabase.execSQL(sql, bindArgs);
        } else {
          mSQLiteDatabase.execSQL(sql);
        }
      }

    } else {
      throw new CHDBNotOpenException("数据库未打开!");
    }
  }
Ejemplo n.º 3
0
 /**
  * 执行查询,主要是SELECT, SHOW 等指令 返回数据集
  *
  * @param sql sql语句
  * @param selectionArgs
  * @return
  */
 public ArrayList<CHHashMap<String>> query(String sql, String[] selectionArgs) {
   CHLogger.i(SQLiteDB.this, sql);
   if (testSQLiteDatabase()) {
     if (sql != null && !sql.equalsIgnoreCase("")) {
       this.queryStr = sql;
     }
     free();
     this.queryCursor = mSQLiteDatabase.rawQuery(sql, selectionArgs);
     if (queryCursor != null) {
       return getQueryCursorData();
     } else {
       CHLogger.e(SQLiteDB.this, "执行" + sql + "错误");
     }
   } else {
     CHLogger.e(SQLiteDB.this, "数据库未打开!");
   }
   return null;
 }
Ejemplo n.º 4
0
  /**
   * 执行查询,主要是SELECT, SHOW 等指令 返回数据集
   *
   * @param clazz
   * @param distinct 限制重复,如过为true则限制,false则不用管
   * @param where where语句
   * @param groupBy groupBy语句
   * @param having having语句
   * @param orderBy orderBy语句
   * @param limit limit语句
   * @return
   */
  @SuppressWarnings("unchecked")
  public <T> List<T> query(
      Class<?> clazz,
      boolean distinct,
      String where,
      String groupBy,
      String having,
      String orderBy,
      String limit) {

    if (testSQLiteDatabase()) {
      List<T> list = null;
      SqlBuilder getSqlBuilder =
          SqlBuilderFactory.getInstance().getSqlBuilder(SqlBuilderFactory.SELECT);
      getSqlBuilder.setClazz(clazz);
      getSqlBuilder.setCondition(distinct, where, groupBy, having, orderBy, limit);
      try {
        String sqlString = getSqlBuilder.getSqlStatement();
        CHLogger.i(SQLiteDB.this, "执行" + sqlString);
        free();
        this.queryCursor = mSQLiteDatabase.rawQuery(sqlString, null);
        list = (List<T>) DBUtils.getListEntity(clazz, this.queryCursor);
      } catch (IllegalArgumentException e) {
        // TODO Auto-generated catch block
        CHLogger.e(SQLiteDB.this, e.getMessage());
        e.printStackTrace();

      } catch (CHDBException e) {
        // TODO Auto-generated catch block
        CHLogger.e(SQLiteDB.this, e.getMessage());
        e.printStackTrace();
      } catch (IllegalAccessException e) {
        // TODO Auto-generated catch block
        CHLogger.e(SQLiteDB.this, e.getMessage());
        e.printStackTrace();
      }
      return list;
    } else {
      return null;
    }
  }