U
    fc                     @   s   d Z ddlZddlZddlmZ ddlmZmZmZm	Z	 ddl
mZmZmZ ddlmZmZmZ ddlmZmZmZmZmZmZmZmZmZ d	Zd
ZdZdZdZ G dd de!Z"G dd de"Z#G dd de"Z$G dd de"Z%G dd de%Z&dS )z,Implementation of the CRUD database objects.    N   )DbDoc)ER_NO_SUCH_TABLEER_TABLE_EXISTS_ERRORER_X_CMD_NUM_ARGUMENTSER_X_INVALID_ADMIN_COMMAND)NotSupportedErrorOperationalErrorProgrammingError)
deprecatedescapequote_identifier)	FindStatementAddStatementRemoveStatementModifyStatementSelectStatementInsertStatementDeleteStatementUpdateStatementCreateCollectionIndexStatementz_SELECT COUNT(*) FROM information_schema.views WHERE table_schema = '{0}' AND table_name = '{1}'z`SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = '{0}' AND table_name = '{1}'zJSELECT COUNT(*) FROM information_schema.schemata WHERE schema_name = '{0}'zSELECT COUNT(*) FROM {0}.{1}zDROP TABLE IF EXISTS {0}.{1}c                   @   s   e Zd ZdZdd Zedd Zedd Zedd	 Zd
d Z	dd Z
dd Zdd Zdd Zedddd Zedddd ZdS )DatabaseObjectzProvides base functionality for database objects.

    Args:
        schema (mysqlx.Schema): The Schema object.
        name (str): The database object name.
    c                 C   s:   || _ t|tr| n|| _| j  | _| j | _d S N)	_schema
isinstancebytesdecode_nameget_session_sessionget_connection_connection)selfschemaname r%   //tmp/pip-unpacked-wheel-mzf9r1ws/mysqlx/crud.py__init__>   s    zDatabaseObject.__init__c                 C   s   | j S )z5:class:`mysqlx.Session`: The Session object.
        r   r"   r%   r%   r&   sessionD   s    zDatabaseObject.sessionc                 C   s   | j S )z3:class:`mysqlx.Schema`: The Schema object.
        r   r)   r%   r%   r&   r#   J   s    zDatabaseObject.schemac                 C   s   | j S )z/str: The name of this database object.
        r   r)   r%   r%   r&   r$   P   s    zDatabaseObject.namec                 C   s   | j S )z~Returns the underlying connection.

        Returns:
            mysqlx.connection.Connection: The connection object.
        )r!   r)   r%   r%   r&   r    V   s    zDatabaseObject.get_connectionc                 C   s   | j S )zwReturns the session of this database object.

        Returns:
            mysqlx.Session: The Session object.
        r(   r)   r%   r%   r&   r   ^   s    zDatabaseObject.get_sessionc                 C   s   | j S )z{Returns the Schema object of this database object.

        Returns:
            mysqlx.Schema: The Schema object.
        r+   r)   r%   r%   r&   
get_schemaf   s    zDatabaseObject.get_schemac                 C   s   | j S )zwReturns the name of this database object.

        Returns:
            str: The name of this database object.
        r,   r)   r%   r%   r&   get_namen   s    zDatabaseObject.get_namec                 C   s   t dS )zVerifies if this object exists in the database.

        Returns:
            bool: `True` if object exists in database.

        Raises:
           NotImplementedError: This method must be implemented.
        N)NotImplementedErrorr)   r%   r%   r&   exists_in_databasev   s    	z!DatabaseObject.exists_in_databasez8.0.12z)Use 'exists_in_database()' method insteadc                 C   s   |   S )a+  Verifies if this object exists in the database.

        Returns:
            bool: `True` if object exists in database.

        Raises:
           NotImplementedError: This method must be implemented.

        .. deprecated:: 8.0.12
           Use ``exists_in_database()`` method instead.
        )r0   r)   r%   r%   r&   	am_i_real   s    zDatabaseObject.am_i_realzUse 'get_name()' method insteadc                 C   s   |   S )zReturns the name of this database object.

        Returns:
            str: The name of this database object.

        .. deprecated:: 8.0.12
           Use ``get_name()`` method instead.
        )r.   r)   r%   r%   r&   who_am_i   s    
zDatabaseObject.who_am_iN)__name__
__module____qualname____doc__r'   propertyr*   r#   r$   r    r   r-   r.   r0   r   r1   r2   r%   r%   r%   r&   r   7   s"   



r   c                       s|   e Zd ZdZ fddZdd Zdd Zdd	d
Zdd ZdddZ	dddZ
dddZdd ZdddZdddZ  ZS ) SchemazA client-side representation of a database schema. Provides access to
    the schema contents.

    Args:
        session (mysqlx.XSession): Session object.
        name (str): The Schema name.
    c                    s   || _ tt| | | d S r   )r   superr8   r'   )r"   r*   r$   	__class__r%   r&   r'      s    zSchema.__init__c                 C   s    t t| j}| j|dkS zVerifies if this object exists in the database.

        Returns:
            bool: `True` if object exists in database.
        r   )_COUNT_SCHEMAS_QUERYformatr   r   r!   execute_sql_scalarr"   sqlr%   r%   r&   r0      s    zSchema.exists_in_databasec              	   C   s|   | j dd| ji}|  g }|D ]R}|d dkr6q$zt| |d }W n" tk
rj   t| |d }Y nX || q$|S )zyReturns a list of collections for this schema.

        Returns:
            `list`: List of Collection objects.
        list_objectsr#   typeZ
COLLECTION
TABLE_NAMEr$   )r!   get_row_resultr   	fetch_all
Collection
ValueErrorappend)r"   rowscollectionsrow
collectionr%   r%   r&   get_collections   s    zSchema.get_collectionsFc                 C   s   |  ||S )zuReturns a a table object for the given collection

        Returns:
            mysqlx.Table: Table object.

        )	get_table)r"   r$   check_existencer%   r%   r&   get_collection_as_table   s    zSchema.get_collection_as_tablec              	   C   s~   | j dd| ji}|  g }d}|D ]P}|d |kr(zt| |d }W n" tk
rl   t| |d }Y nX || q(|S )zoReturns a list of tables for this schema.

        Returns:
            `list`: List of Table objects.
        rB   r#   )ZTABLEZVIEWrC   rD   r$   )r!   rE   r   rF   TablerH   rI   )r"   rJ   ZtablesZobject_typesrL   tabler%   r%   r&   
get_tables   s    zSchema.get_tablesc                 C   s"   t | |}|r| std|S )zwReturns the table of the given name for this schema.

        Returns:
            mysqlx.Table: Table object.
        zTable does not exist)rR   r0   r
   )r"   r$   rP   rS   r%   r%   r&   rO      s
    
zSchema.get_tablec                 C   s"   t | |}|r| std|S )ztReturns the view of the given name for this schema.

        Returns:
            mysqlx.View: View object.
        zView does not exist)Viewr0   r
   )r"   r$   rP   viewr%   r%   r&   get_view   s
    
zSchema.get_viewc                 C   s"   t | |}|r| std|S )zReturns the collection of the given name for this schema.

        Returns:
            mysqlx.Collection: Collection object.
        zCollection does not exist)rG   r0   r
   )r"   r$   rP   rM   r%   r%   r&   get_collection   s
    
zSchema.get_collectionc                 C   s&   | j dtt| jt|d dS )zmDrops a collection.

        Args:
            name (str): The name of the collection to be dropped.
        rA   FN)r!   execute_nonquery_DROP_TABLE_QUERYr>   r   r   )r"   r$   r%   r%   r&   drop_collection  s     zSchema.drop_collectionNc              
   K   s  |st dd|kr(tdt |d }t| |}| j|d}|dk	r
t|trV|s^t dd}|D ]}||krft d|qfg }	d	|kr|d	 }
t|
t	st d
|	
d	|
f d|kr|d }t|t	tfst d|	
dt|trt|n|f d|	f|d< z| jddd| W nh tk
r } zH|jtkrHtd|jtkrj|sxt d|nt |j|jW 5 d}~X Y nX |S )aJ  Creates in the current schema a new collection with the specified
        name and retrieves an object representing the new collection created.

        Args:
            name (str): The name of the collection.
            reuse_existing (bool): `True` to reuse an existing collection.
            validation (Optional[dict]): A dict, containing the keys `level`
                                         with the validation level and `schema`
                                         with a dict or a string representation
                                         of a JSON schema specification.

        Returns:
            mysqlx.Collection: Collection object.

        Raises:
            :class:`mysqlx.ProgrammingError`: If ``reuse_existing`` is False
                                              and collection exists or the
                                              collection name is invalid.
            :class:`mysqlx.NotSupportedError`: If schema validation is not
                                               supported by the server.

        .. versionchanged:: 8.0.21
        Collection name is invalidZreusezG'reuse' is deprecated since 8.0.21. Please use 'reuse_existing' instead)r#   r$   NInvalid value for 'validation'levelr#   "Invalid option in 'validation': {}r_   Invalid value for 'level'r#   Invalid value for 'schema'
validationoptionsmysqlxcreate_collectionTlYour MySQL server does not support the requested operation. Please update to MySQL 8.0.19 or a later versionzCollection '{}' already exists)r
   warningswarnDeprecationWarningrG   r   r   dictr>   strrI   jsondumpsr!   rY   r	   errnor   r   r   msg)r"   r$   Zreuse_existingrc   kwargsrM   fieldsvalid_optionsoptionrd   r_   r#   errr%   r%   r&   rf     sn    


    zSchema.create_collectionc           
   
   C   s6  |st dt|tr|s"t dd}|D ]}||kr*t d|q*g }d|krz|d }t|tslt d|d|f d|kr|d }t|ttfst d|dt|trt|n|f | j|d	|fd
}z| j	
ddd| W nF tk
r0 }	 z&|	jtkrtdt |	j|	jW 5 d}	~	X Y nX dS )a
  Modifies a collection using a JSON schema validation.

        Args:
            name (str): The name of the collection.
            validation (Optional[dict]): A dict, containing the keys `level`
                                         with the validation level and `schema`
                                         with a dict or a string representation
                                         of a JSON schema specification.

        Raises:
            :class:`mysqlx.ProgrammingError`: If the collection name or
                                              validation is invalid.
            :class:`mysqlx.NotSupportedError`: If schema validation is not
                                               supported by the server.

        .. versionadded:: 8.0.21
        r\   r]   r^   r`   r_   ra   r#   rb   rc   )r#   r$   rd   re   Zmodify_collection_optionsTrg   N)r
   r   rk   r>   rl   rI   rm   rn   r   r!   rY   r	   ro   r   r   rp   )
r"   r$   rc   rs   rt   rd   r_   r#   rr   ru   r%   r%   r&   modify_collectiond  sX    
   zSchema.modify_collection)F)F)F)F)FN)N)r3   r4   r5   r6   r'   r0   rN   rQ   rT   rO   rW   rX   r[   rf   rv   __classcell__r%   r%   r:   r&   r8      s   	
	




Sr8   c                   @   sr   e Zd ZdZdd Zd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dd Zdd ZdS )rG   zRepresents a collection of documents on a schema.

    Args:
        schema (mysqlx.Schema): The Schema object.
        name (str): The collection name.
    c                 C   s*   t t| jjt| j}| j|dkS r<   _COUNT_TABLES_QUERYr>   r   r   r$   r   r!   r?   r@   r%   r%   r&   r0     s    zCollection.exists_in_databaseNc                 C   s   t | |}| j |_|S )zRetrieves documents from a collection.

        Args:
            condition (Optional[str]): The string with the filter expression of
                                       the documents to be retrieved.
        )r   r!   get_next_statement_idstmt_idr"   	conditionstmtr%   r%   r&   find  s    
zCollection.findc                 G   s   t | j| S )zAdds a list of documents to a collection.

        Args:
            *values: The document list to be added into the collection.

        Returns:
            mysqlx.AddStatement: AddStatement object.
        )r   add)r"   valuesr%   r%   r&   r     s    	zCollection.addc                 C   s   t | |}| j |_|S )ap  Removes documents based on the ``condition``.

        Args:
            condition (str): The string with the filter expression of the
                             documents to be removed.

        Returns:
            mysqlx.RemoveStatement: RemoveStatement object.

        .. versionchanged:: 8.0.12
           The ``condition`` parameter is now mandatory.
        )r   r!   rz   r{   r|   r%   r%   r&   remove  s    
zCollection.removec                 C   s   t | |}| j |_|S )ar  Modifies documents based on the ``condition``.

        Args:
            condition (str): The string with the filter expression of the
                             documents to be modified.

        Returns:
            mysqlx.ModifyStatement: ModifyStatement object.

        .. versionchanged:: 8.0.12
           The ``condition`` parameter is now mandatory.
        )r   r!   rz   r{   r|   r%   r%   r&   modify  s    
zCollection.modifyc              
   C   st   t t| jjt| j}z| j|}W nD tk
rn } z&|j	t
kr\td| j| jj W 5 d}~X Y nX |S )z}Counts the documents in the collection.

        Returns:
            int: The total of documents in the collection.
        z-Collection '{}' does not exist in schema '{}'N_COUNT_QUERYr>   r   r   r$   r   r!   r?   r	   ro   r   r"   rA   resru   r%   r%   r&   count  s    
 zCollection.countc                 C   s   t | ||S )ab  Creates a collection index.

        Args:
            index_name (str): Index name.
            fields_desc (dict): A dictionary containing the fields members that
                                constraints the index to be created. It must
                                have the form as shown in the following::

                                   {"fields": [{"field": member_path,
                                                "type": member_type,
                                                "required": member_required,
                                                "array": array,
                                                "collation": collation,
                                                "options": options,
                                                "srid": srid},
                                                # {... more members,
                                                #      repeated as many times
                                                #      as needed}
                                                ],
                                    "type": type}
        )r   )r"   
index_nameZfields_descr%   r%   r&   create_index  s    zCollection.create_indexc              	   C   s$   | j ddd| jj| j|d dS )z[Drops a collection index.

        Args:
            index_name (str): Index name.
        re   Zdrop_collection_indexF)r#   rM   r$   N)r!   rY   r   r$   r   )r"   r   r%   r%   r&   
drop_index  s    
 zCollection.drop_indexc                 C   s:   d|kr|d |krt d| dd|d| S )zReplaces the Document matching the document ID with a new document
        provided.

        Args:
            doc_id (str): Document ID
            doc (:class:`mysqlx.DbDoc` or `dict`): New Document
        _idKReplacement document has an _id that is different than the matched document	_id = :id$id)r
   r   setbindexecuter"   doc_iddocr%   r%   r&   replace_one"  s     zCollection.replace_onec                 C   sH   d|kr|d |krt dt|ts.t|}| ||d S )zUpserts the Document matching the document ID with a new document
        provided.

        Args:
            doc_id (str): Document ID
            doc (:class:`mysqlx.DbDoc` or dict): New Document
        r   r   T)r
   r   r   r   copyZupsertr   r   r%   r%   r&   add_or_replace_one2  s    
zCollection.add_or_replace_onec                 C   s,   |  dd| }| }| j  |S )zReturns a Document matching the Document ID.

        Args:
            doc_id (str): Document ID

        Returns:
            mysqlx.DbDoc: The Document matching the Document ID.
        r   r   )r   r   r   Z	fetch_oner!   Zfetch_active_result)r"   r   resultr   r%   r%   r&   get_oneC  s    	
zCollection.get_onec                 C   s   |  dd| S )zRemoves a Document matching the Document ID.

        Args:
            doc_id (str): Document ID

        Returns:
            mysqlx.Result: Result object.
        r   r   )r   r   r   )r"   r   r%   r%   r&   
remove_oneQ  s    	zCollection.remove_one)N)r3   r4   r5   r6   r0   r   r   r   r   r   r   r   r   r   r   r   r%   r%   r%   r&   rG     s   

rG   c                   @   sH   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dS )rR   zRepresents a database table on a schema.

    Provides access to the table through standard INSERT/SELECT/UPDATE/DELETE
    statements.

    Args:
        schema (mysqlx.Schema): The Schema object.
        name (str): The table name.
    c                 C   s*   t t| jjt| j}| j|dkS r<   rx   r@   r%   r%   r&   r0   h  s    zTable.exists_in_databasec                 G   s   t | f| }| j |_|S )zCreates a new :class:`mysqlx.SelectStatement` object.

        Args:
            *fields: The fields to be retrieved.

        Returns:
            mysqlx.SelectStatement: SelectStatement object
        )r   r!   rz   r{   r"   rr   r~   r%   r%   r&   selectr  s    	zTable.selectc                 G   s   t | f| }| j |_|S )zCreates a new :class:`mysqlx.InsertStatement` object.

        Args:
            *fields: The fields to be inserted.

        Returns:
            mysqlx.InsertStatement: InsertStatement object
        )r   r!   rz   r{   r   r%   r%   r&   insert  s    	zTable.insertc                 C   s   t | }| j |_|S )zCreates a new :class:`mysqlx.UpdateStatement` object.

        Returns:
            mysqlx.UpdateStatement: UpdateStatement object
        )r   r!   rz   r{   r"   r~   r%   r%   r&   update  s    zTable.updatec                 C   s   t | }| j |_|S )zCreates a new :class:`mysqlx.DeleteStatement` object.

        Returns:
            mysqlx.DeleteStatement: DeleteStatement object

        .. versionchanged:: 8.0.12
           The ``condition`` parameter was removed.
        )r   r!   rz   r{   r   r%   r%   r&   delete  s    	zTable.deletec              
   C   st   t t| jjt| j}z| j|}W nD tk
rn } z&|j	t
kr\td| j| jj W 5 d}~X Y nX |S )ziCounts the rows in the table.

        Returns:
            int: The total of rows in the table.
        z(Table '{}' does not exist in schema '{}'Nr   r   r%   r%   r&   r     s    
 zTable.countc                 C   s*   t t| jjt| j}| j|dkS )zDetermine if the underlying object is a view or not.

        Returns:
            bool: `True` if the underlying object is a view.
        r   _COUNT_VIEWS_QUERYr>   r   r   r$   r   r!   r?   r@   r%   r%   r&   is_view  s    zTable.is_viewN)r3   r4   r5   r6   r0   r   r   r   r   r   r   r%   r%   r%   r&   rR   ]  s   


rR   c                   @   s   e Zd ZdZdd ZdS )rU   zRepresents a database view on a schema.

    Provides a mechanism for creating, alter and drop views.

    Args:
        schema (mysqlx.Schema): The Schema object.
        name (str): The table name.
    c                 C   s*   t t| jjt| j}| j|dkS r<   r   r@   r%   r%   r&   r0     s    zView.exists_in_databaseN)r3   r4   r5   r6   r0   r%   r%   r%   r&   rU     s   	rU   )'r6   rm   rh   Zdbdocr   	errorcoder   r   r   r   errorsr   r	   r
   Zhelpersr   r   r   Z	statementr   r   r   r   r   r   r   r   r   r   ry   r=   r   rZ   objectr   r8   rG   rR   rU   r%   r%   r%   r&   <module>   s(   ,f   ;c