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Create ColumnSchema.php

tags/2.0.0-beta
p0larbeer 11 years ago
parent
commit
b00a84762c
  1. 88
      framework/yii/db/oci/ColumnSchema.php

88
framework/yii/db/oci/ColumnSchema.php

@ -0,0 +1,88 @@
<?php
namespace yii\db\oci;
class ColumnSchema extends \yii\db\ColumnSchema
{
/**
* Initializes the column with its DB type and default value.
* This sets up the column's PHP type, size, precision, scale as well as default value.
* @param string $dbType the column's DB type
* @param mixed $defaultValue the default value
*/
public function extract($dbType, $defaultValue)
{
$this->dbType=$dbType;
$this->extractType($dbType);
$this->extractLimit($dbType);
if($defaultValue!==null)
$this->extractDefault($defaultValue);
}
/**
* Extracts the PHP type from DB type.
* @param string $dbType DB type
* @return string
*/
protected function extractOraType($dbType){
if(strpos($dbType,'FLOAT')!==false) return 'double';
if (strpos($dbType,'NUMBER')!==false || strpos($dbType,'INTEGER')!==false)
{
if(strpos($dbType,'(') && preg_match('/\((.*)\)/',$dbType,$matches))
{
$values=explode(',',$matches[1]);
if(isset($values[1]) and (((int)$values[1]) > 0))
return 'double';
else
return 'integer';
}
else
return 'double';
}
else
return 'string';
}
/**
* Extracts the PHP type from DB type.
* @param string $dbType DB type
*/
protected function extractType($dbType)
{
$this->type=$this->extractOraType($dbType);
}
/**
* Extracts size, precision and scale information from column's DB type.
* @param string $dbType the column's DB type
*/
protected function extractLimit($dbType)
{
if(strpos($dbType,'(') && preg_match('/\((.*)\)/',$dbType,$matches))
{
$values=explode(',',$matches[1]);
$this->size=$this->precision=(int)$values[0];
if(isset($values[1]))
$this->scale=(int)$values[1];
}
}
/**
* Extracts the default value for the column.
* The value is typecasted to correct PHP type.
* @param mixed $defaultValue the default value obtained from metadata
*/
protected function extractDefault($defaultValue)
{
if(stripos($defaultValue,'timestamp')!==false) {
$this->defaultValue=null;
}
else {
$this->defaultValue=$this->typecast($defaultValue);
}
}
}
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