Class dataquery

abstract datasource

need to implement the Iterator methods

cmc\db\dataquery implements cmc\db\datasource

Abstract
Namespace: cmc\db
Copyright: Copyright (c) Calmarsoft company (FRANCE) (http://calmarsoft.com)
License: GNU General Public License version 3
Version: 0.9
Link: CMC Project
Located at db/dataquery.php

Methods summary

`public`	# `__construct( )`
`abstract public`	# `execute( )` executes the datasource executes the datasource
`abstract public array`	# `fetch_assoc( )` fetch a record, and returns an associative array of values fetch a record, and returns an associative array of values Returns `array`
`abstract public type`	# `setparams( type $params )` updates parameter bindings updates parameter bindings Parameters `$params` `type` $params Returns `type`
`public array\|null`	# `current( )` returns the last fetched row returns the last fetched row Returns `array\|null` Implementation of `Iterator::current()`
`public integer`	# `key( )` Iterator: returns the position Iterator: returns the position Returns `integer` Implementation of `Iterator::key()`
`public type`	# `next( )` Iterator: returns the next record Iterator: returns the next record Returns `type` Implementation of `Iterator::next()`
`public boolean`	# `first( )` Iterator: rewind and returns the first record Iterator: rewind and returns the first record Returns `boolean`
`public`	# `rewind( )` refresh query (in this implementation: re-execute) refresh query (in this implementation: re-execute) Implementation of `Iterator::rewind()`
`public`	# `valid( )` checks if current record is available checks if current record is available Implementation of `Iterator::valid()`
`public`	# `dataenv( )`

`string`	`className`	`__CLASS__`	#

`protected mixed`	`$_currentrow`	#
`protected mixed`	`$_position`	#
`protected cmc\db\database`	`$_db`	# underlying database underlying database