Android sqlite中判断某个表是否存在方法
http://mycoding.iteye.com/blog/939683
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Java代码 /** * 判断某张表是否存在 * @param tabName 表名 * @return */ public boolean tabbleIsExist(String tableName){ boolean result = false; if(tableName == null){ return false; } SQLiteDatabase db = null; Cursor cursor = null; try { db = this.getReadableDatabase(); String sql = "select count(*) as c from Sqlite_master where type ='table' and name ='"+tableName.trim()+"' "; cursor = db.rawQuery(sql, null); if(cursor.moveToNext()){ int count = cursor.getInt(0); if(count>0){ result = true; } } } catch (Exception e) { // TODO: handle exception } return result; } |
