o
    =a@                     @   s  d dl 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eddd Ze
ddd Z
e	ddd Z	eddd ZdS )    N   )exc)inspect)text)warn_test_suite)	create_db)#drop_all_schema_objects_post_tables)"drop_all_schema_objects_pre_tables)drop_db)log)prepare_for_drop_tables) set_default_schema_on_connection)temp_table_keyword_args
postgresqlc                 C   s   | j j}|jdd h}zt| || W n	 ty   Y nw |s(|d }d}	 z|d||f  W n3 tj	yf } z#|d7 }|dkrH d	t
|v r\td
||j| td W Y d }~n	d }~w    nq+W d    d S 1 sww   Y  d S )N
AUTOCOMMITisolation_levelzselect current_database()r   TzCREATE DATABASE %s TEMPLATE %s   r   zaccessed by other userszFWaiting to create %s, URI %r, template DB %s is in use sleeping for .5g      ?)optionspostgresql_templatedbexecution_optionsbegin_pg_drop_db	Exceptionexec_driver_sqlscalarr   OperationalErrorstrr   infourltimesleep)cfgengidenttemplate_dbconnattempterr r)   ^/var/www/html/gps/gps/lib/python3.10/site-packages/sqlalchemy/dialects/postgresql/provision.py_pg_create_db   sL   

"r+   c              	   C   s   |  jdd7}|  |tdt|d |d|  W d    n1 s*w   Y  W d    d S W d    d S 1 sBw   Y  d S )Nr   r   zselect pg_terminate_backend(pid) from pg_stat_activity where usename=current_user and pid != pg_backend_pid() and datname=:dname)dnamezDROP DATABASE %s)connectr   r   executer   dictr   )r"   r#   r$   r&   r)   r)   r*   r   8   s   
"r   c                 C   s
   ddgiS )Nprefixes	TEMPORARYr)   )r"   r#   r)   r)   r*   #_postgresql_temp_table_keyword_argsG   s   
r2   c                 C   s4   |j }d|_ | }|d|  |  ||_ d S )NTzSET SESSION search_path='%s')
autocommitcursorr.   close)r"   dbapi_connectionschema_nameexisting_autocommitr4   r)   r)   r*   ,_postgresql_set_default_schema_on_connectionL   s   
r9   c                 C   sX   |  jdd}|d D ]	}|d|  qW d    d S 1 s%w   Y  d S )Nr   r   z!select gid from pg_prepared_xactszROLLBACK PREPARED '%s')r-   r   r.   scalars)r"   r#   r&   xidr)   r)   r*   r	   X   s
   "r	   c              
   C   st   ddl m} t|}| "}|dD ]}|||j|d |d d qW d    d S 1 s3w   Y  d S )Nr   )r   *nameschema)r=   r>   )sqlalchemy.dialectsr   r   r   	get_enumsr.   DropEnumTypeENUM)r"   r#   r   	inspectorr&   enumr)   r)   r*   r   _   s   
"r   c                 C   s:   | d}| }|rtdddd |D   dS dS )z;Ensure there are no locks on the current username/database.zselect pid, state, wait_event_type, query from pg_stat_activity where usename=current_user and datname=current_database() and state='idle in transaction' and pid != pg_backend_pid()zHPostgreSQL may not be able to DROP tables due to idle in transaction: %sz; c                 s   s    | ]}|j d  V  qdS )queryN)_mapping).0rowr)   r)   r*   	<genexpr>~   s    z*prepare_for_drop_tables.<locals>.<genexpr>N)r   allr   join)config
connectionresultrowsr)   r)   r*   r   m   s   r   )r     r   r   r   testingr   testing.provisionr   r   r	   r
   r   r   r   r   for_dbr+   r   r2   r9   r)   r)   r)   r*   <module>   s6    
&




