Python cx_Oracle.paramstyle() Examples

The following are 30 code examples of cx_Oracle.paramstyle(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module cx_Oracle , or try the search function .
Example #1
Source File: basedb.py    From torngas with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = []
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
                s.append(safestr(x))
            else:
                x = safestr(x)
                # automatically escape % characters in the query
                # For backward compatability, ignore escaping when the query looks already escaped
                if paramstyle in ['format', 'pyformat']:
                    if '%' in x and '%%' not in x:
                        x = x.replace('%', '%%')
                s.append(x)
        return "".join(s)
Example #2
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, **keywords):
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')
            
        db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
        if db_module.__name__ == "psycopg2":
            import psycopg2.extensions
            psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)

        # if db is not provided postgres driver will take it from PGDATABASE environment variable
        if 'db' in keywords:
            keywords['database'] = keywords.pop('db')
        
        self.dbname = "postgres"
        self.paramstyle = db_module.paramstyle
        DB.__init__(self, db_module, keywords)
        self.supports_multiple_insert = True
        self._sequences = None
Example #3
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 6 votes vote down vote up 
def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = []
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
                s.append(safestr(x))
            else:
                x = safestr(x)
                # automatically escape % characters in the query
                # For backward compatability, ignore escaping when the query looks already escaped
                if paramstyle in ['format', 'pyformat']:
                    if '%' in x and '%%' not in x:
                        x = x.replace('%', '%%')
                s.append(x)
        return "".join(s)
Example #4
Source File: db.py    From bokken with GNU General Public License v2.0 6 votes vote down vote up 
def __init__(self, **keywords):
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')
            
        db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
        if db_module.__name__ == "psycopg2":
            import psycopg2.extensions
            psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)

        # if db is not provided postgres driver will take it from PGDATABASE environment variable
        if 'db' in keywords:
            keywords['database'] = keywords.pop('db')
        
        self.dbname = "postgres"
        self.paramstyle = db_module.paramstyle
        DB.__init__(self, db_module, keywords)
        self.supports_multiple_insert = True
        self._sequences = None
Example #5
Source File: db.py    From bokken with GNU General Public License v2.0 6 votes vote down vote up 
def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = []
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
                s.append(safestr(x))
            else:
                x = safestr(x)
                # automatically escape % characters in the query
                # For backward compatability, ignore escaping when the query looks already escaped
                if paramstyle in ['format', 'pyformat']:
                    if '%' in x and '%%' not in x:
                        x = x.replace('%', '%%')
                s.append(x)
        return "".join(s)
Example #6
Source File: db.py    From Hatkey with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, **keywords):
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')
            
        db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
        if db_module.__name__ == "psycopg2":
            import psycopg2.extensions
            psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
        if db_module.__name__ == "pgdb" and 'port' in keywords:
            keywords["host"] += ":" + str(keywords.pop('port'))

        # if db is not provided postgres driver will take it from PGDATABASE environment variable
        if 'db' in keywords:
            keywords['database'] = keywords.pop('db')
        
        self.dbname = "postgres"
        self.paramstyle = db_module.paramstyle
        DB.__init__(self, db_module, keywords)
        self.supports_multiple_insert = True
        self._sequences = None
Example #7
Source File: db.py    From Hatkey with GNU General Public License v3.0 6 votes vote down vote up 
def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = []
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
                s.append(safestr(x))
            else:
                x = safestr(x)
                # automatically escape % characters in the query
                # For backward compatability, ignore escaping when the query looks already escaped
                if paramstyle in ['format', 'pyformat']:
                    if '%' in x and '%%' not in x:
                        x = x.replace('%', '%%')
                s.append(x)
        return "".join(s)
Example #8
Source File: db.py    From nightmare with GNU General Public License v2.0 6 votes vote down vote up 
def __init__(self, **keywords):
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')
            
        db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
        if db_module.__name__ == "psycopg2":
            import psycopg2.extensions
            psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)

        # if db is not provided postgres driver will take it from PGDATABASE environment variable
        if 'db' in keywords:
            keywords['database'] = keywords.pop('db')
        
        self.dbname = "postgres"
        self.paramstyle = db_module.paramstyle
        DB.__init__(self, db_module, keywords)
        self.supports_multiple_insert = True
        self._sequences = None
Example #9
Source File: db.py    From nightmare with GNU General Public License v2.0 6 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, params
Example #10
Source File: db.py    From nightmare with GNU General Public License v2.0 6 votes vote down vote up 
def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = []
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
                s.append(safestr(x))
            else:
                x = safestr(x)
                # automatically escape % characters in the query
                # For backward compatability, ignore escaping when the query looks already escaped
                if paramstyle in ['format', 'pyformat']:
                    if '%' in x and '%%' not in x:
                        x = x.replace('%', '%%')
                s.append(x)
        return "".join(s)
Example #11
Source File: basedb.py    From torngas with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def __init__(self, **keywords):
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')

        db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
        if db_module.__name__ == "psycopg2":
            import psycopg2.extensions

            psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
        if db_module.__name__ == "pgdb" and 'port' in keywords:
            keywords["host"] += ":" + str(keywords.pop('port'))

        # if db is not provided postgres driver will take it from PGDATABASE environment variable
        if 'db' in keywords:
            keywords['database'] = keywords.pop('db')

        self.dbname = "postgres"
        self.paramstyle = db_module.paramstyle
        DB.__init__(self, db_module, keywords)
        self.supports_multiple_insert = True
        self._sequences = None
Example #12
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def get_marker(self, paramstyle='pyformat'):
        if paramstyle == 'qmark':
            return '?'
        elif paramstyle == 'numeric':
            return ':1'
        elif paramstyle is None or paramstyle in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, paramstyle
Example #13
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, **keywords): 
        import cx_Oracle as db 
        if 'pw' in keywords: 
            keywords['password'] = keywords.pop('pw') 

        #@@ TODO: use db.makedsn if host, port is specified 
        keywords['dsn'] = keywords.pop('db') 
        self.dbname = 'oracle' 
        db.paramstyle = 'numeric' 
        self.paramstyle = db.paramstyle

        # oracle doesn't support pooling 
        keywords.pop('pooling', None) 
        DB.__init__(self, db, keywords)
Example #14
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        # MSSQLDB expects params to be a tuple. 
        # Overwriting the default implementation to convert params to tuple.
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, tuple(params)
Example #15
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, **keywords):
        db = import_driver(["sqlite3", "pysqlite2.dbapi2", "sqlite"], preferred=keywords.pop('driver', None))

        if db.__name__ in ["sqlite3", "pysqlite2.dbapi2"]:
            db.paramstyle = 'qmark'
            
        # sqlite driver doesn't create datatime objects for timestamp columns unless `detect_types` option is passed.
        # It seems to be supported in sqlite3 and pysqlite2 drivers, not surte about sqlite.
        keywords.setdefault('detect_types', db.PARSE_DECLTYPES)

        self.paramstyle = db.paramstyle
        keywords['database'] = keywords.pop('db')
        keywords['pooling'] = False # sqlite don't allows connections to be shared by threads
        self.dbname = "sqlite"        
        DB.__init__(self, db, keywords)
Example #16
Source File: basedb.py    From torngas with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def get_marker(self, paramstyle='pyformat'):
        if paramstyle == 'qmark':
            return '?'
        elif paramstyle == 'numeric':
            return ':1'
        elif paramstyle is None or paramstyle in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, paramstyle
Example #17
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, params
Example #18
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def _param_marker(self):
        """Returns parameter marker based on paramstyle attribute if this database."""
        style = getattr(self, 'paramstyle', 'pyformat')

        if style == 'qmark':
            return '?'
        elif style == 'numeric':
            return ':1'
        elif style in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, style
Example #19
Source File: basedb.py    From torngas with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def _param_marker(self):
        """Returns parameter marker based on paramstyle attribute if this database."""
        style = getattr(self, 'paramstyle', 'pyformat')

        if style == 'qmark':
            return '?'
        elif style == 'numeric':
            return ':1'
        elif style in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, style
Example #20
Source File: db.py    From cosa-nostra with GNU General Public License v3.0 5 votes vote down vote up 
def get_marker(self, paramstyle='pyformat'):
        if paramstyle == 'qmark':
            return '?'
        elif paramstyle == 'numeric':
            return ':1'
        elif paramstyle is None or paramstyle in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, paramstyle
Example #21
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def __init__(self, **keywords): 
        import cx_Oracle as db 
        if 'pw' in keywords: 
            keywords['password'] = keywords.pop('pw') 

        #@@ TODO: use db.makedsn if host, port is specified 
        keywords['dsn'] = keywords.pop('db') 
        self.dbname = 'oracle' 
        db.paramstyle = 'numeric' 
        self.paramstyle = db.paramstyle

        # oracle doesn't support pooling 
        keywords.pop('pooling', None) 
        DB.__init__(self, db, keywords)
Example #22
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        # MSSQLDB expects params to be a tuple. 
        # Overwriting the default implementation to convert params to tuple.
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, tuple(params)
Example #23
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def __init__(self, **keywords):
        db = import_driver(["sqlite3", "pysqlite2.dbapi2", "sqlite"], preferred=keywords.pop('driver', None))

        if db.__name__ in ["sqlite3", "pysqlite2.dbapi2"]:
            db.paramstyle = 'qmark'
            
        # sqlite driver doesn't create datatime objects for timestamp columns unless `detect_types` option is passed.
        # It seems to be supported in sqlite3 and pysqlite2 drivers, not surte about sqlite.
        keywords.setdefault('detect_types', db.PARSE_DECLTYPES)

        self.paramstyle = db.paramstyle
        keywords['database'] = keywords.pop('db')
        self.dbname = "sqlite"        
        DB.__init__(self, db, keywords)
Example #24
Source File: basedb.py    From torngas with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, params
Example #25
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, params
Example #26
Source File: db.py    From bokken with GNU General Public License v2.0 5 votes vote down vote up 
def _param_marker(self):
        """Returns parameter marker based on paramstyle attribute if this database."""
        style = getattr(self, 'paramstyle', 'pyformat')

        if style == 'qmark':
            return '?'
        elif style == 'numeric':
            return ':1'
        elif style in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, style
Example #27
Source File: db.py    From nightmare with GNU General Public License v2.0 5 votes vote down vote up 
def get_marker(self, paramstyle='pyformat'):
        if paramstyle == 'qmark':
            return '?'
        elif paramstyle == 'numeric':
            return ':1'
        elif paramstyle is None or paramstyle in ['format', 'pyformat']:
            return '%s'
        raise UnknownParamstyle, paramstyle
Example #28
Source File: db.py    From Hatkey with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, **keywords): 
        import cx_Oracle as db 
        if 'pw' in keywords: 
            keywords['password'] = keywords.pop('pw') 

        #@@ TODO: use db.makedsn if host, port is specified 
        keywords['dsn'] = keywords.pop('db') 
        self.dbname = 'oracle' 
        db.paramstyle = 'numeric' 
        self.paramstyle = db.paramstyle

        # oracle doesn't support pooling 
        keywords.pop('pooling', None) 
        DB.__init__(self, db, keywords)
Example #29
Source File: db.py    From Hatkey with GNU General Public License v3.0 5 votes vote down vote up 
def _process_query(self, sql_query):
        """Takes the SQLQuery object and returns query string and parameters.
        """
        # MSSQLDB expects params to be a tuple. 
        # Overwriting the default implementation to convert params to tuple.
        paramstyle = getattr(self, 'paramstyle', 'pyformat')
        query = sql_query.query(paramstyle)
        params = sql_query.values()
        return query, tuple(params)
Example #30
Source File: db.py    From Hatkey with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, **keywords):
        try:
            import kinterbasdb as db
        except Exception:
            db = None
            pass
        if 'pw' in keywords:
            keywords['password'] = keywords.pop('pw')
        keywords['database'] = keywords.pop('db')

        self.paramstyle = db.paramstyle

        DB.__init__(self, db, keywords)