Yii2 saving file to Oracle BLOB
Problem is that i can't save file to blob. It works without any error, temp file is created and i can read from it. I checked if it goes to bind - yes it goes with right resource value and with PDO::PARAM_LOB data type.
I have an ActiveRecord class:
class News extends ActiveRecord
{
public function rules()
{
return [
[
['image'],
'image',
'extensions' => 'png jpg',
'maxSize' => 1024 * 300,
]
];
}
public function beforeSave($insert)
{
$fileInfo = UploadedFile::getInstance($this, 'image');
$this->image = fopen($fileInfo->tempName, 'r+');
return parent::beforeSave($insert);
}
}
Table:
CREATE TABLE NEWS
(
RN NUMBER(17,0) PRIMARY KEY NOT NULL,
IMAGE BLOB
);
Logs showing this query:
INSERT INTO "NEWS" ("IMAGE") VALUES (:qp4) RETURNING "RN" INTO :qp8
So it didn't actually bind it or what?
You should simply use image data instead of resource pointer, eg :
$this->image = file_get_contents($fileInfo->tempName);
EDIT: sorry you are right, you need to provide a resource pointer to be able to bind this param using PARAM_LOB .
As stated on php doc, you should try using a transaction, eg :
News::getDb()->transaction(function($db) use ($model) {
$model->save();
});
It appears that PDO_OCI is working with Oracle in old-style way, so you need to start a transaction insert EMPTY_BLOB() first, then bind variable with pointer to file, execute statement and commit.
I've done it with update, because i don't want to make full query manually. First i write pointer to file into $this->file in save() method and call $model->save && $model->saveImage() in controller.
public function saveImage()
{
if (!$this->file) {
return true;
}
$table = self::tableName();
$rn = $this->rn;
$command = Yii::$app->getDb()->createCommand(
"UPDATE $table SET IMAGE=EMPTY_BLOB() WHERE RN=:rn RETURNING IMAGE INTO :image"
);
$command->bindParam(':rn', $rn, PDO::PARAM_STR);
$command->prepare();
$command->bindParam(':image', $this->file, PDO::PARAM_LOB);
return $command->execute();
}
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