
 XqI                 @   s   d  d l  m Z d  d l Z d  d l Z d  d l Z d  d l m Z d  d l m Z d  d l	 m
 Z
 d  d l m Z m Z d  d l m Z m Z d d	 l m Z d d
 l m Z m Z m Z Gd d   d e  Z d S)    )unicode_literalsN)settings)BaseDatabaseOperations)truncate_name)sixtimezone)force_bytes
force_text   )Database)InsertIdVarOracle_datetimeconvert_unicodec                   s  e  Z d  Z d Z i dq d 6ds d 6du d 6dv d 6dw d	 6Z d
 Z d d   Z d d   Z d d   Z d d   Z	 d d   Z
 e j d  Z d d   Z d d   Z d d   Z d d   Z   f d d   Z d  d!   Z d" d#   Z d$ d%   Z d& d'   Z d( d)   Z d* d+   Z d, d-   Z d. d/   Z d0 d1   Z d2 d3   Z d4 d5   Z d6 d7   Z   f d8 d9   Z d: d;   Z  d< d= d>  Z! d? d@   Z" dA dB   Z# dC dD   Z$ dE dF   Z% dG dH   Z& dI dJ   Z' dK dL   Z( dM dN   Z) dO dP   Z* dQ dR   Z+ dS dT   Z, dU dV dW  Z- dX dY   Z. dZ d[   Z/ d\ d]   Z0 dU d^ d_  Z1 d` da   Z2 db dc   Z3 dd de   Z4   f df dg   Z5 dh di   Z6 dj dk   Z7 dl dm   Z8   f dn do   Z9   S)xDatabaseOperationsz"django.db.backends.oracle.compiler   g] ZSmallIntegerFieldZIntegerField   9V ZBigIntegerFieldr   ZPositiveSmallIntegerFieldZPositiveIntegerFielda~  
DECLARE
    table_value integer;
    seq_value integer;
BEGIN
    SELECT NVL(MAX(%(column)s), 0) INTO table_value FROM %(table)s;
    SELECT NVL(last_number - cache_size, 0) INTO seq_value FROM user_sequences
           WHERE sequence_name = '%(sequence)s';
    WHILE table_value > seq_value LOOP
        SELECT "%(sequence)s".nextval INTO seq_value FROM dual;
    END LOOP;
END;
/c             C   sd   i |  j  |  d 6|  j |  d 6|  j |  d 6|  j |  d 6} d | } d | } | | f S)Nsq_nameZtr_nameZtbl_nameZcol_namez
DECLARE
    i INTEGER;
BEGIN
    SELECT COUNT(*) INTO i FROM USER_CATALOG
        WHERE TABLE_NAME = '%(sq_name)s' AND TABLE_TYPE = 'SEQUENCE';
    IF i = 0 THEN
        EXECUTE IMMEDIATE 'CREATE SEQUENCE "%(sq_name)s"';
    END IF;
END;
/z
CREATE OR REPLACE TRIGGER "%(tr_name)s"
BEFORE INSERT ON %(tbl_name)s
FOR EACH ROW
WHEN (new.%(col_name)s IS NULL)
    BEGIN
        SELECT "%(sq_name)s".nextval
        INTO :new.%(col_name)s FROM dual;
    END;
/)_get_sequence_name_get_trigger_name
quote_name)selftablecolumnargsZsequence_sqlZtrigger_sql r   R/home/ubuntu/projects/ifolica/build/django/django/db/backends/oracle/operations.pyautoinc_sql,   s    


zDatabaseOperations.autoinc_sqlc             C   s   d S)Nz
            SELECT cache_key
              FROM (SELECT cache_key, rank() OVER (ORDER BY cache_key) AS rank FROM %s)
             WHERE rank = %%s + 1
        r   )r   r   r   r   cache_key_culling_sqlL   s    z(DatabaseOperations.cache_key_culling_sqlc             C   s,   | d k r d | Sd | j    | f Sd  S)NZweek_dayzTO_CHAR(%s, 'D')zEXTRACT(%s FROM %s))upper)r   lookup_type
field_namer   r   r   date_extract_sqlS   s    z#DatabaseOperations.date_extract_sqlc             C   sq   t  | j d  \ } } t  | d  \ } } t | j  } t |  } d } | | | | | | j | f g  f S)z
        Implements the interval functionality for expressions
        format for Oracle:
        INTERVAL '3 00:03:20.000000' DAY(1) TO SECOND(6)
        <   z6INTERVAL '%s %02d:%02d:%02d.%06d' DAY(%d) TO SECOND(6))divmodsecondsstrdayslenmicroseconds)r   	timedeltaminutesr$   hoursr&   Zday_precisionfmtr   r   r   date_interval_sql[   s    z$DatabaseOperations.date_interval_sqlc             C   s,   | d k r  d | | j    f Sd | Sd  S)NyearmonthzTRUNC(%s, '%s')z	TRUNC(%s))zyearzmonth)r   )r   r   r    r   r   r   date_trunc_sqlh   s    z!DatabaseOperations.date_trunc_sqlz^[\w/:+-]+$c             C   s]   t  j rA |  j j |  s. t d |   n  d | | f } n  d | } d | } d | S)NzInvalid time zone name: %sz'(FROM_TZ(%s, '0:00') AT TIME ZONE '%s')z$TO_CHAR(%s, 'YYYY-MM-DD HH24:MI:SS')z$TO_DATE(%s, 'YYYY-MM-DD HH24:MI:SS')zCAST(%s AS TIMESTAMP))r   USE_TZ
_tzname_rematch
ValueError)r   r    tznamer   r   r   _convert_field_to_tzu   s    	

z'DatabaseOperations._convert_field_to_tzc             C   s&   |  j  | |  } d | } | g  f S)Nz	TRUNC(%s))r6   )r   r    r5   sqlr   r   r   datetime_cast_date_sql   s    
z)DatabaseOperations.datetime_cast_date_sqlc             C   s.   |  j  | |  } |  j | |  } | g  f S)N)r6   r!   )r   r   r    r5   r7   r   r   r   datetime_extract_sql   s    z'DatabaseOperations.datetime_extract_sqlc             C   s   |  j  | |  } | d
 k r7 d | | j   f } nQ | d k rP d | } n8 | d k ri d | } n | d k r d	 | } n | } | g  f S)Nr.   r/   zTRUNC(%s, '%s')dayz	TRUNC(%s)hourzTRUNC(%s, 'HH24')minutezTRUNC(%s, 'MI'))zyearzmonth)r6   r   )r   r   r    r5   r7   r   r   r   datetime_trunc_sql   s    z%DatabaseOperations.datetime_trunc_sqlc                s  t  t |   j |  } | j j   } | d k rF | j |  j  n | d k re | j |  j  n | d	 k r | j |  j  n| | d k r | j |  j	  n] | d k r | j |  j
  n> | d k r | j |  j  n | d k r | j |  j  n  | j |  j  | S)
NZ	TextFieldBinaryFieldBooleanFieldNullBooleanFieldZDateTimeField	DateFieldZ	TimeFieldZ	UUIDField)r?   r@   )superr   get_db_convertersoutput_fieldget_internal_typeappendconvert_textfield_valueconvert_binaryfield_valueconvert_booleanfield_valueconvert_datetimefield_valueconvert_datefield_valueconvert_timefield_valueconvert_uuidfield_valueconvert_empty_values)r   
expressionZ
convertersinternal_type)	__class__r   r   rC      s$    z$DatabaseOperations.get_db_convertersc             C   s+   t  | t j  r' t | j    } n  | S)N)
isinstancer   LOBr	   read)r   valuerO   
connectioncontextr   r   r   rG      s    z*DatabaseOperations.convert_textfield_valuec             C   s+   t  | t j  r' t | j    } n  | S)N)rR   r   rS   r   rT   )r   rU   rO   rV   rW   r   r   r   rH      s    z,DatabaseOperations.convert_binaryfield_valuec             C   s   | d k r t  |  } n  | S)Nr   r
   )r   r
   )bool)r   rU   rO   rV   rW   r   r   r   rI      s    z-DatabaseOperations.convert_booleanfield_valuec             C   s7   | d  k	 r3 t  j r3 t j | |  j j  } q3 n  | S)N)r   r1   r   Z
make_awarerV   )r   rU   rO   rV   rW   r   r   r   rJ      s    	z.DatabaseOperations.convert_datetimefield_valuec             C   s%   t  | t j  r! | j   } n  | S)N)rR   r   	Timestampdate)r   rU   rO   rV   rW   r   r   r   rK      s    z*DatabaseOperations.convert_datefield_valuec             C   s%   t  | t j  r! | j   } n  | S)N)rR   r   rY   time)r   rU   rO   rV   rW   r   r   r   rL      s    z*DatabaseOperations.convert_timefield_valuec             C   s"   | d  k	 r t  j |  } n  | S)N)uuidUUID)r   rU   rO   rV   rW   r   r   r   rM      s    z*DatabaseOperations.convert_uuidfield_valuec             C   sF   | j  } | d  k rB | j rB d } | j   d k rB d } qB n  | S)N r>       )rD   Zempty_strings_allowedrE   )r   rU   rO   rV   rW   fieldr   r   r   rN      s    	z'DatabaseOperations.convert_empty_valuesc             C   s   d S)Nz DEFERRABLE INITIALLY DEFERREDr   )r   r   r   r   deferrable_sql   s    z!DatabaseOperations.deferrable_sqlc             C   s   d |  j  |  j |   S)NzDROP SEQUENCE %s;)r   r   )r   r   r   r   r   drop_sequence_sql   s    z$DatabaseOperations.drop_sequence_sqlc             C   s   t  | j j    S)N)intZ_insert_id_vargetvalue)r   cursorr   r   r   fetch_returned_insert_id   s    z+DatabaseOperations.fetch_returned_insert_idc             C   s!   | r | j  d  r d Sd Sd  S)NrS   zDBMS_LOB.SUBSTR(%s)z%s)endswith)r   Zdb_typerP   r   r   r   field_cast_sql   s    z!DatabaseOperations.field_cast_sqlc                sV   | j  } | r: t j r: t | t  r: | j d  } n  t t |   j | | |  S)Nzutf-8)		statementr   PY2rR   unicodedecoderB   r   last_executed_query)r   re   r7   paramsri   )rQ   r   r   rm      s    	z&DatabaseOperations.last_executed_queryc             C   s.   |  j  |  } | j d |  | j   d S)NzSELECT "%s".currval FROM dualr   )r   executeZfetchone)r   re   
table_nameZpk_namer   r   r   r   last_insert_id   s    z!DatabaseOperations.last_insert_idNc             C   s   | d k r d Sd S)Niexact	icontainsistartswith	iendswithz	UPPER(%s)z%s)rr   rs   rt   ru   r   )r   r   rP   r   r   r   lookup_cast  s    zDatabaseOperations.lookup_castc             C   s   d S)Ni  r   )r   r   r   r   max_in_list_size  s    z#DatabaseOperations.max_in_list_sizec             C   s   d S)N   r   )r   r   r   r   max_name_length  s    z"DatabaseOperations.max_name_lengthc             C   s   d S)NZNULLr   )r   r   r   r   pk_default_value  s    z#DatabaseOperations.pk_default_valuec             C   s   | S)Nr   )r   xr   r   r   prep_for_iexact_query  s    z(DatabaseOperations.prep_for_iexact_queryc             C   s    | d  k r d St  | j    S)Nr^   )r	   rT   )r   rU   r   r   r   process_clob  s    zDatabaseOperations.process_clobc             C   s^   | j  d  rB | j d  rB d t | j   |  j    } n  | j d d  } | j   S)N"z"%s"%z%%)
startswithrg   r   r   ry   replace)r   namer   r   r   r     s     "zDatabaseOperations.quote_namec             C   s   d S)NzDBMS_RANDOM.RANDOMr   )r   r   r   r   random_function_sql&  s    z&DatabaseOperations.random_function_sqlc             C   s#   | d k r d } n d } d | S)Nregexz'c'z'i'zREGEXP_LIKE(%%s, %%s, %s)r   )r   r   Zmatch_optionr   r   r   regex_lookup)  s    	zDatabaseOperations.regex_lookupc             C   s   d t    f f S)NzRETURNING %s INTO %%s)r   )r   r   r   r   return_insert_id0  s    z#DatabaseOperations.return_insert_idc             C   s   t  d |  j |   S)Nz
SAVEPOINT )r   r   )r   sidr   r   r   savepoint_create_sql3  s    z'DatabaseOperations.savepoint_create_sqlc             C   s   t  d |  j |   S)NzROLLBACK TO SAVEPOINT )r   r   )r   r   r   r   r   savepoint_rollback_sql6  s    z)DatabaseOperations.savepoint_rollback_sqlFc                sG   | r?    f d d   | D } | j    j  |   | Sg  Sd  S)Nc                sG   g  |  ]= } d   j  d   j  d   j   j |   f  q S)z	%s %s %s;DELETEZFROM)ZSQL_KEYWORDZ	SQL_FIELDr   ).0r   )r   styler   r   
<listcomp>?  s   	z0DatabaseOperations.sql_flush.<locals>.<listcomp>)extendsequence_reset_by_name_sql)r   r   Ztables	sequencesZallow_cascader7   r   )r   r   r   	sql_flush9  s    
zDatabaseOperations.sql_flushc       	      C   s   g  } x| | D]t } |  j  | d  } |  j | d  } |  j | d pL d  } |  j i | d 6| d 6| d 6} | j |  q W| S)Nr   r   idsequence)r   r   _sequence_reset_sqlrF   )	r   r   r   r7   Zsequence_infosequence_namerp   column_namequeryr   r   r   r   K  s    	z-DatabaseOperations.sequence_reset_by_name_sqlc             C   sH  d d l  m } g  } |  j } x"| D]} x | j j D]~ } t | | j  r9 |  j | j j  } |  j	 | j j  }	 |  j | j
  }
 | j | i |	 d 6| d 6|
 d 6 Pq9 q9 Wx | j j D]t } | j j s |  j | j    } |  j	 | j    }	 |  j d  }
 | j | i |	 d 6| d 6|
 d 6 q q Wq& W| S)Nr   )modelsr   r   r   r   )Z	django.dbr   r   Z_metaZlocal_fieldsrR   Z	AutoFieldr   Zdb_tabler   r   rF   Zmany_to_manyZremote_fieldZthroughZm2m_db_table)r   r   Z
model_listr   outputr   modelfrp   r   r   r   r   r   sequence_reset_sqlY  s,    	z%DatabaseOperations.sequence_reset_sqlc             C   s   d S)Nr^   r   )r   r   r   r   start_transaction_sqls  s    z(DatabaseOperations.start_transaction_sqlc             C   s,   | r d |  j  |  Sd |  j  |  Sd  S)NzUSING INDEX TABLESPACE %szTABLESPACE %s)r   )r   Z
tablespaceinliner   r   r   tablespace_sqlv  s    z!DatabaseOperations.tablespace_sqlc             C   s   | S)z
        Transform a date value to an object compatible with what is expected
        by the backend driver for date columns.
        The default implementation transforms the date to text, but that is not
        necessary for Oracle.
        r   )r   rU   r   r   r   adapt_datefield_value|  s    z(DatabaseOperations.adapt_datefield_valuec             C   s_   | d k r d St  j |  rR t j rC t  j | |  j j   } qR t d   n  t j |  S)aE  
        Transform a datetime value to an object compatible with what is expected
        by the backend driver for datetime columns.

        If naive datetime is passed assumes that is in UTC. Normally Django
        models.DateTimeField makes sure that if USE_TZ is True passed datetime
        is timezone aware.
        NzNOracle backend does not support timezone-aware datetimes when USE_TZ is False.)	r   is_awarer   r1   Z
make_naiverV   r4   r   Zfrom_datetime)r   rU   r   r   r   adapt_datetimefield_value  s    
	z,DatabaseOperations.adapt_datetimefield_valuec             C   s{   | d  k r d  St  | t j  r5 t j j | d  St j |  rS t d   n  t d d d | j	 | j
 | j | j  S)Nz%H:%M:%Sz5Oracle backend does not support timezone-aware times.il  r
   )rR   r   string_typesdatetimestrptimer   r   r4   r   r;   r<   secondmicrosecond)r   rU   r   r   r   adapt_timefield_value  s    z(DatabaseOperations.adapt_timefield_valuec                s   | d k r d d j  |  S| d k r: d d j  |  S| d k rU t d   n | d k rr d	 d j  |  St t |   j | |  S)
zIOracle requires special cases for %% and & operators in query expressionsz%%zMOD(%s),&z
BITAND(%s)|z'Bit-wise or is not supported in Oracle.^z	POWER(%s))joinNotImplementedErrorrB   r   combine_expression)r   Z	connectorZsub_expressions)rQ   r   r   r     s    z%DatabaseOperations.combine_expressionc             C   s'   |  j    d } d t | |  j   S)N   z%s_SQ)ry   r   r   )r   r   name_lengthr   r   r   r     s    z%DatabaseOperations._get_sequence_namec             C   s'   |  j    d } d t | |  j   S)Nr   z%s_TR)ry   r   r   )r   r   r   r   r   r   r     s    z$DatabaseOperations._get_trigger_namec             C   s   d j  d d   | D  S)Nz UNION ALL c             s   s"   |  ] } d  d j  |  Vq d S)zSELECT %s FROM DUALz, N)r   )r   rowr   r   r   	<genexpr>  s   z5DatabaseOperations.bulk_insert_sql.<locals>.<genexpr>)r   )r   fieldsZplaceholder_rowsr   r   r   bulk_insert_sql  s    	z"DatabaseOperations.bulk_insert_sqlc                sX   | d k r< | \ } } | \ } } d | | f | | f St  t |   j | | |  S)NrA   zNUMTODSINTERVAL(%s - %s, 'DAY'))rB   r   subtract_temporals)r   rP   ZlhsZrhsZlhs_sqlZ
lhs_paramsZrhs_sqlZ
rhs_params)rQ   r   r   r     s
    z%DatabaseOperations.subtract_temporalsg] )r   r   g] )r   r   9V )r   r   )r   r   )r   r   ):__name__
__module____qualname__Zcompiler_moduleZinteger_field_rangesr   r   r   r!   r-   r0   recompiler2   r6   r8   r9   r=   rC   rG   rH   rI   rJ   rK   rL   rM   rN   ra   rb   rf   rh   rm   rq   rv   rw   ry   rz   r|   r}   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   )rQ   r   r      st   
 	
	r   )
__future__r   r   r   r\   Zdjango.confr   Z"django.db.backends.base.operationsr   Zdjango.db.backends.utilsr   Zdjango.utilsr   r   Zdjango.utils.encodingr   r	   baser   utilsr   r   r   r   r   r   r   r   <module>   s   