Oracle, Query - Lowercase Characters

Using several modules, they use AR, all requests, models, written in lower case.

With Oracle, run only queries that are written in upper case.

when you specify

‘db’ => array

(

‘class’ => ‘CDbConnection’,

‘connectionString’ => ‘oci: dbname = localhost: 1521/oracle; charset = UTF8’,

[b]‘attributes’ => array (PDO :: ATTR_CASE => PDO :: CASE_LOWER),

‘columnCase’ => PDO :: CASE_LOWER,[/b]

‘username’ => ‘WEBBILLING’,

‘password’ => ‘Rfvxfnrf’,

)

I receive an error

Undefined index: COLUMN_NAME

… yii \ framework \ db \ schema \ oci \ COciSchema.php (229)

Line 229:

$ c-> name = $ column [‘COLUMN_NAME’];

What to do to run the query in the lower register, or need to rewrite COciSchema.php?