a
    c	g                     @   st  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 ddlmZ ddlmZ eddd 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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)generate_driver_url)get_temp_table_name)log)normalize_sequence)run_reap_dbs)temp_table_keyword_argsZmssqlc                 C   sj   |   }| jd||f d}|dkr0|jdd}|r>||}z|  W n tjy`   Y d S 0 |S d S )Nz%s+%s)Z
drivernameZpyodbc )query)Zget_backend_namesetZupdate_query_stringget_dialectr   ZNoSuchModuleError)urlZdriverZ	query_strbackendnew_url r   f/var/www/html/llm_bihealth/app/venv/lib/python3.9/site-packages/sqlalchemy/dialects/mssql/provision.pyr      s    
r   c                 C   s   |  jdd\}|d|  |d|  |d|  |d|  |d |d W d    n1 sr0    Y  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connr   r   r   _mssql_create_db+   s    
r(   c                 C   s>   |  jdd}t|| W d    n1 s00    Y  d S )Nr   r   )r    r!   _mssql_drop_ignorer#   r   r   r   _mssql_drop_db:   s    r*   c              
   C   sZ   z |  d|  td| W dS  tjyT } ztd| W Y d }~dS d }~0 0 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 ]}||v rZ|| qZd	 }}	t	|d
D ]\}	}
t
||
r|d
7 }qt d||	 W d    n1 s0    Y  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>^       z"_reap_mssql_dbs.<locals>.<setcomp>r      z-Dropped %d out of %d stale databases detected)r   r+   r   r    r!   joinr"   r   add	enumerater)   )r   Zidentsr%   r'   Zto_reapZ	all_namesZto_dropnameZdroppedtotalr0   r   r   r   _reap_mssql_dbsQ   s&    

r9   c                 C   s   i S )Nr   )r$   r%   r   r   r   _mssql_temp_table_keyword_argsm   s    r:   c                 C   s   d| S )Nz##r   )r$   r%   	base_namer   r   r   _mssql_get_temp_table_namer   s    r<   c                 C   s   |  jdd}t|}d d| j| jfD ]v}|j|dD ]d}t|t tdt	tdt	|d}t|j
||dD ],}|tt|jjg|jjg|d d qpq:q*W d    n1 s0    Y  d S )	Nr   r   Zdbo)schemaxyr7   )r7   )r    r!   r   Ztest_schemaZtest_schema_2Zget_table_namesr   r
   r   r   Zget_foreign_keysexecuter   r	   cr>   r?   )r$   r%   r'   Z	inspectorr=   ZtnametbZfkr   r   r   r   w   s&    r   c                 C   s   |j d u rd|_ |S )Nr3   )start)r$   sequencer   r   r   r      s    
r   N)Z
sqlalchemyr   r   r   r   r   r=   r   r   r	   r
   r   Ztesting.provisionr   r   r   r   r   r   r   r   r   Zfor_dbr(   r*   r)   r9   r:   r<   r   r   r   r   <module>   sD   






