U
    cc                     @   s8  d dl mZ d dl mZ ddlmZ ddlmZ ddlmZ ddlmZ ddlm	Z	 dd	lm
Z
 dd
lmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ eddd Zeddd Zdd Zeddd Zeddd Zeddd Zeddd  Zd!S )"    )inspect)Integer   )create_engine)exc)Column)DropConstraint)ForeignKeyConstraint)MetaData)Table)	create_db)"drop_all_schema_objects_pre_tables)drop_db)get_temp_table_name)log)run_reap_dbs)temp_table_keyword_argsZmssqlc              	   C   sl   |  jddR}|d|  |d|  |d|  |d|  |d |d W 5 Q R X d S )	N
AUTOCOMMITZisolation_levelzcreate database %sz1ALTER DATABASE %s SET ALLOW_SNAPSHOT_ISOLATION ONz0ALTER DATABASE %s SET READ_COMMITTED_SNAPSHOT ONzuse %szcreate schema test_schemazcreate schema test_schema_2)connectexecution_optionsexec_driver_sqlcfgengidentconn r   G/tmp/pip-unpacked-wheel-8u86ls_i/sqlalchemy/dialects/mssql/provision.py_mssql_create_db   s    
r   c              	   C   s*   |  jdd}t|| W 5 Q R X d S )Nr   r   )r   r   _mssql_drop_ignorer   r   r   r   _mssql_drop_db"   s    r!   c              
   C   s\   z |  d|  td| W dS  tjk
rV } ztd| W Y dS d }~X Y nX d S )Nzdrop database %szReaped db: %sTzcouldn't drop db: %sF)r   r   infor   ZDatabaseErrorwarning)r   r   errr   r   r   r    (   s    r    c              	   C   s   t d|  t| }| jdd}t dd| |d}dd |D }t }|D ]}||krZ|| qZd	 }}	t	|d
D ]\}	}
t
||
r|d
7 }qt d||	 W 5 Q R X d S )Nzdb reaper connecting to %rr   r   zidentifiers in file: %sz, zselect d.name from sys.databases as d where name like 'TEST_%' and not exists (select session_id from sys.dm_exec_sessions where database_id=d.database_id)c                 S   s   h | ]\}|  qS r   )lower).0dbnamer   r   r   	<setcomp>G   s     z"_reap_mssql_dbs.<locals>.<setcomp>r      z-Dropped %d out of %d stale databases detected)r   r"   r   r   r   joinr   setadd	enumerater    )urlZidentsr   r   Zto_reapZ	all_namesZto_dropnameZdroppedtotalr'   r   r   r   _reap_mssql_dbs9   s*    

  r1   c                 C   s   i S )Nr   )r   r   r   r   r   _mssql_temp_table_keyword_argsV   s    r2   c                 C   s   d| S )Nz##r   )r   r   	base_namer   r   r   _mssql_get_temp_table_name[   s    r4   c                 C   s   |  jdd}t|}d d| j| jfD ]v}|j|dD ]d}t|t tdt	tdt	|d}t|j
||dD ],}|tt|jjg|jjg|d d qpq:q*W 5 Q R X d S )	Nr   r   Zdbo)schemaxyr/   )r/   )r   r   r   Ztest_schemaZtest_schema_2Zget_table_namesr   r
   r   r   Zget_foreign_keysexecuter   r	   cr6   r7   )r   r   r   Z	inspectorr5   ZtnametbZfkr   r   r   r   `   s*      r   N)Z
sqlalchemyr   r    r   r   r5   r   r   r	   r
   r   Ztesting.provisionr   r   r   r   r   r   r   Zfor_dbr   r!   r    r1   r2   r4   r   r   r   r   <module>   s8   




