Yii 1.1 模型关系不能在 select 上使用连接的 table 列
Yii 1.1 model relation can't use joined table column on select
这是我的class
Class System extends CActiveRecord
{
public function relations() {
return array(
'SystemInverterModuleMountGrouped' => array(self::HAS_MANY, 'SystemInverterModule', array('id' => 'system_inverter_id'),
'through' => 'SystemInverter',
'group' => 'system_id, SystemInverterModuleMountGrouped.mount_id',
'condition' => 'SystemInverterModuleMountGrouped.mount_id is not null AND SystemInverterModuleMountGrouped.mount_id != "" AND number_of_mounts > 0 AND
CASE WHEN Mount.unit_of_measure = 1 THEN
SystemInverterModuleMountGrouped.existing_array != 1
ELSE true
END',
'select' => '*, '
. 'SUM(SystemInverterModuleMountGrouped.number_of_mounts) AS number_of_mounts_grouped, ',
'with' => 'Mount'
)
);
}
}
这工作正常,但现在我想在特定条件下求和 number_of_mounts
array(
'select' => '*, '
. 'IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped, ',
)
它不起作用,yii 抛出错误
Active record “SystemInverterModule” is trying to select an invalid column “IF(Mount.unit_of_measure IN (1”. Note, the column must exist in the table or be an expression with alias.
请注意,我可以在
条件下使用 Mount.unit_of_measure
'condition' => 'CASE WHEN Mount.unit_of_measure = 1 THEN '
它适用于原始 sql 查询
SELECT IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped
FROM `SystemInverterModules` `SystemInverterModuleMountGrouped`
LEFT OUTER JOIN `SystemInverter` `SystemInverter`
ON (`SystemInverter`.`id` = `SystemInverterModuleMountGrouped`.`system_inverter_id`)
LEFT OUTER JOIN `Inventory` `Mount`
ON (`SystemInverterModuleMountGrouped`.`mount_id` = `Mount`.`id`)
WHERE (SystemInverterModuleMountGrouped.mount_id is not null AND SystemInverterModuleMountGrouped.mount_id != "" AND
number_of_mounts > 0 AND
CASE WHEN Mount.unit_of_measure = 1 THEN
SystemInverterModuleMountGrouped.existing_array != 1
ELSE true END
)
AND (`SystemInverter`.`system_id` = '42146')
GROUP BY system_id, SystemInverterModuleMountGrouped.mount_id
ORDER BY sort_mounting ASC
在这种情况下,您应该使用数组来声明 select
- 字符串格式不适用于复杂的表达式:
'select' => [
'*',
'IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped',
],
这是我的class
Class System extends CActiveRecord
{
public function relations() {
return array(
'SystemInverterModuleMountGrouped' => array(self::HAS_MANY, 'SystemInverterModule', array('id' => 'system_inverter_id'),
'through' => 'SystemInverter',
'group' => 'system_id, SystemInverterModuleMountGrouped.mount_id',
'condition' => 'SystemInverterModuleMountGrouped.mount_id is not null AND SystemInverterModuleMountGrouped.mount_id != "" AND number_of_mounts > 0 AND
CASE WHEN Mount.unit_of_measure = 1 THEN
SystemInverterModuleMountGrouped.existing_array != 1
ELSE true
END',
'select' => '*, '
. 'SUM(SystemInverterModuleMountGrouped.number_of_mounts) AS number_of_mounts_grouped, ',
'with' => 'Mount'
)
);
}
}
这工作正常,但现在我想在特定条件下求和 number_of_mounts
array(
'select' => '*, '
. 'IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped, ',
)
它不起作用,yii 抛出错误
Active record “SystemInverterModule” is trying to select an invalid column “IF(Mount.unit_of_measure IN (1”. Note, the column must exist in the table or be an expression with alias.
请注意,我可以在
条件下使用 Mount.unit_of_measure'condition' => 'CASE WHEN Mount.unit_of_measure = 1 THEN '
它适用于原始 sql 查询
SELECT IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped
FROM `SystemInverterModules` `SystemInverterModuleMountGrouped`
LEFT OUTER JOIN `SystemInverter` `SystemInverter`
ON (`SystemInverter`.`id` = `SystemInverterModuleMountGrouped`.`system_inverter_id`)
LEFT OUTER JOIN `Inventory` `Mount`
ON (`SystemInverterModuleMountGrouped`.`mount_id` = `Mount`.`id`)
WHERE (SystemInverterModuleMountGrouped.mount_id is not null AND SystemInverterModuleMountGrouped.mount_id != "" AND
number_of_mounts > 0 AND
CASE WHEN Mount.unit_of_measure = 1 THEN
SystemInverterModuleMountGrouped.existing_array != 1
ELSE true END
)
AND (`SystemInverter`.`system_id` = '42146')
GROUP BY system_id, SystemInverterModuleMountGrouped.mount_id
ORDER BY sort_mounting ASC
在这种情况下,您应该使用数组来声明 select
- 字符串格式不适用于复杂的表达式:
'select' => [
'*',
'IF(Mount.unit_of_measure IN (1,2,3), 0, SUM(SystemInverterModuleMountGrouped.number_of_mounts)) AS number_of_mounts_grouped',
],