function _testQueryBuilderAlias()
{
// get alias generator
$this->assertTrue($am = new epQueryAliasManager());
// check alias generation for classes
$class = "TestClass";
$this->assertTrue($alias1 = $am->getClassAlias($class, true));
// true: create
$this->assertTrue($alias2 = $am->getClassAlias($class, true));
// true: create
$this->assertFalse($alias1 == $alias2);
// unique aliases
$this->assertTrue($class == $am->getClass($alias1));
$this->assertTrue($class == $am->getClass($alias2));
$this->assertTrue(2 == count($am->getClassAliases($class)));
// check alias generation for tables
$table = "TestTable";
$this->assertTrue($alias3 = $am->getTableAlias($table, true));
// true: create
$this->assertTrue($alias4 = $am->getTableAlias($table, true));
// true: create
$this->assertFalse($alias3 == $alias4);
// unique aliases
$this->assertTrue($table == $am->getTable($alias3));
$this->assertTrue($table == $am->getTable($alias4));
$this->assertTrue(2 == count($am->getTableAliases($table)));
// alias uniqueness
$this->assertFalse($alias1 == $alias3);
// unique aliases
$this->assertFalse($alias1 == $alias4);
// unique aliases
$this->assertFalse($alias2 == $alias3);
// unique aliases
$this->assertFalse($alias2 == $alias4);
// unique aliases
}
/**
* Quotes primitive value with its primitve variable (alias.var)
* @param mixed $v
* @param string $pvar
* @return true|string (error message if string)
*/
public function quoteVar(&$v, &$pvar)
{
// unquote pvar
$pvar_ = $this->_unquote($pvar);
// split primitive var to alias and var
list($alias, $var) = @explode('.', $pvar_);
if (!$alias || !$var) {
return "invalid primitive var '{$pvar}'";
}
// get the class for alias
if (!($class = $this->am->getClass($alias))) {
return "no class found for alias '{$alias}'";
}
// get class map
if (!($cm = $this->proot->getClassMap($class))) {
return "no class map for '{$class}'";
}
// is var 'oid'?
if ($var == 'oid') {
// replace var name with column name
$pvar = $this->quoteId($alias) . '.' . $this->quoteId($cm->getOidColumn());
return true;
}
// get field map (for non-oid field)
if (!($fm = $cm->getField($var))) {
return "no field map for '{$class}::{$var}'";
}
// replace var name with column name
$pvar = $this->quoteId($alias) . '.' . $this->quoteId($fm->getColumnName());
// quote value
$v = $this->quote($v, $fm);
return true;
}
