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Little fix for expression class

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This commit is contained in:
zYne 2006-12-28 00:06:38 +00:00
parent 61c906266b
commit da0f27d93a
1 changed files with 15 additions and 12 deletions
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27
lib/Doctrine/Expression.php
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@ -31,6 +31,12 @@ Doctrine::autoload('Doctrine_Connection_Module');
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Expression extends Doctrine_Connection_Module {
public function getIdentifier($column) {
return $column;
}
public function getIdentifiers($columns) {
return $columns;
}
/**
* regexp
* returns the regular expression operator
@ -38,7 +44,7 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
* @return string
*/
public function regexp() {
throw new Doctrine_Connection_Exception('Regular expression operator is not supported by this database driver.');
throw new Doctrine_Expression_Exception('Regular expression operator is not supported by this database driver.');
}
/**
* Returns the average value of a column
@ -131,7 +137,7 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
* @param string $expression2
* @return string
*/
public function round($column, $decimals) {
public function round($column, $decimals = 0) {
$column = $this->getIdentifier($column);
return 'ROUND(' . $column . ', ' . $decimals . ')';
@ -190,7 +196,7 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
* @param string $str literal string
* @return integer
*/
public function locate($substr, $str) {
public function locate($str, $substr) {
return 'LOCATE(' . $str . ', ' . $substr . ')';
}
/**
@ -243,9 +249,8 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
*
* @param string|array(string) strings that will be concatinated.
*/
public function concat($arg1, $arg2) {
$args = func_get_args();
$cols = $this->getIdentifiers($cols);
public function concat(array $args) {
$cols = $this->getIdentifiers($args);
return 'CONCAT(' . join(', ', $cols) . ')';
}
/**
@ -263,7 +268,7 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
*/
public function not($expression) {
$expression = $this->getIdentifier($expression);
return 'NOT (' . $expression . ')';
return 'NOT(' . $expression . ')';
}
/**
* Returns the SQL to perform the same mathematical operation over an array
@ -278,15 +283,14 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
* @return string an expression
*/
private function basicMath($type, array $args) {
$args = func_get_args();
$elements = $this->getIdentifiers($elements);
$elements = $this->getIdentifiers($args);
if (count($elements) < 1)
return '';
if (count($elements) == 1) {
return $elements[0];
} else {
return '(' . join(' ' . $type . ' ', $elements) . ')';
return '(' . implode(' ' . $type . ' ', $elements) . ')';
}
}
/**
@ -382,7 +386,6 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
* @return string an expression
*/
public function div(array $args) {
$args = func_get_args();
return $this->basicMath('/', $args);
}
@ -545,7 +548,7 @@ class Doctrine_Expression extends Doctrine_Connection_Module {
if(count($values) == 0)
throw new Doctrine_Expression_Exception('Values array for IN operator should not be empty.');
return $column . ' IN ( ' . join(', ', $values) . ' )';
return $column . ' IN (' . implode(', ', $values) . ')';
}
/**
* Returns SQL that checks if a expression is null.