question: public static boolean isIntermediateTable ( String tableName , SQLiteDatabase db ) { if ( ! TextUtils . isEmpty ( tableName ) ) { if ( tableName . matches ( "[0-9a-zA-Z]+_[0-9a-zA-Z]+" ) ) { Cursor cursor = null ; try { cursor = db . query ( Const . TableSchema . TABLE_NAME , null , null , null , null , null , null ) ; if ( cursor . moveToFirst ( ) ) { do { String tableNameDB = cursor . getString ( cursor . getColumnIndexOrThrow ( Const . TableSchema . COLUMN_NAME ) ) ; if ( tableName . equalsIgnoreCase ( tableNameDB ) ) { int tableType = cursor . getInt ( cursor . getColumnIndexOrThrow ( Const . TableSchema . COLUMN_TYPE ) ) ; if ( tableType == Const . TableSchema . INTERMEDIATE_JOIN_TABLE ) { return true ; } break ; } } while ( cursor . moveToNext ( ) ) ; } } catch ( Exception e ) { e . printStackTrace ( ) ; } finally { if ( cursor != null ) { cursor . close ( ) ; } } } } return false ; }
target:  Judge the table name is an intermediate table or not.