4.0.0 (unreleased)

Overview

Framework

Deprecate SQLQuery in favour SQLSelect
DataList::filter by null now internally generates "IS NULL" or "IS NOT NULL" conditions appropriately on queries

Upgrading

Update code that uses SQLQuery

SQLQuery is still implemented, but now extends the new SQLSelect class and has some methods deprecated. Previously this class was used for both selecting and deleting, but these have been superceded by the specialised SQLSelect and SQLDelete classes.

Take care for any code or functions which expect an object of type SQLQuery, as these references should be replaced with SQLSelect. Legacy code which generates SQLQuery can still communicate with new code that expects SQLSelect as it is a subclass of SQLSelect, but the inverse is not true.

Update implementations of augmentSQL

Since this method now takes a SQLSelect as a first parameter, existing code referencing the deprecated SQLQuery type will raise a PHP error.

E.g.

Before:

:::php
function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null) {
	$locale = Translatable::get_current_locale();
	if(!preg_match('/("|\'|`)Locale("|\'|`)/', implode(' ', $query->getWhere())))  {
		$qry = sprintf('"Locale" = \'%s\'', Convert::raw2sql($locale));
		$query->addWhere($qry); 
	}
}

After:

:::php
function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null) {
	$locale = Translatable::get_current_locale();
	if(!preg_match('/("|\'|`)Locale("|\'|`)/', implode(' ', $query->getWhereParameterised($parameters))))  {
		$query->addWhere(array(
			'"Locale"' => $locale
		));
	}
}

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