Beispiel #1
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    def get_connection(self, autocommit = 0, isolation_level = I_DEFAULT, listen_channel_list = []):
        # autocommit overrider isolation_level
        if autocommit:
            if isolation_level == I_SERIALIZABLE:
                raise Exception('autocommit is not compatible with I_SERIALIZABLE')
            isolation_level = I_AUTOCOMMIT

        # default isolation_level is READ COMMITTED
        if isolation_level < 0:
            isolation_level = I_READ_COMMITTED

        # new conn?
        if not self.conn:
            self.isolation_level = isolation_level
            self.conn = skytools.connect_database(self.loc)
            self.conn.my_name = self.name

            self.conn.set_isolation_level(isolation_level)
            self.conn_time = time.time()
            if self.setup_func:
                self.setup_func(self.name, self.conn)
        else:
            if self.isolation_level != isolation_level:
                raise Exception("Conflict in isolation_level")

        self._sync_listen(listen_channel_list)

        # done
        return self.conn
Beispiel #2
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    def makeSocket(self):
        """Create server connection.
        In this case its not socket but database connection."""

        db = skytools.connect_database(self.connect_string)
        db.set_isolation_level(0) # autocommit
        return db
Beispiel #3
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    def makeSocket(self, timeout=1):
        """Create server connection.
        In this case its not socket but database connection."""

        db = skytools.connect_database(self.connect_string)
        db.set_isolation_level(0)  # autocommit
        return db
Beispiel #4
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    def db_connect(self, connstr):
        db = skytools.connect_database(connstr)
        db.set_isolation_level(0) # autocommit

        q = "select current_database(), current_setting('server_version')"
        curs = db.cursor()
        curs.execute(q)
        res = curs.fetchone()
        self.cur_database = res[0]
        return db
Beispiel #5
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def test():
    from skytools import connect_database
    db = connect_database("dbname=fooz")
    curs = db.cursor()

    s = TableStruct(curs, "public.data1")

    s.drop(curs, T_ALL)
    s.create(curs, T_ALL)
    s.create(curs, T_ALL, "data1_new")
    s.create(curs, T_PKEY)
Beispiel #6
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def manual_check():
    from skytools import connect_database
    db = connect_database("dbname=fooz")
    curs = db.cursor()

    s = TableStruct(curs, "public.data1")

    s.drop(curs, T_ALL)
    s.create(curs, T_ALL)
    s.create(curs, T_ALL, "data1_new")
    s.create(curs, T_PKEY)
Beispiel #7
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    def db_connect(self, connstr):
        db = skytools.connect_database(connstr)
        db.set_isolation_level(0) # autocommit

        q = "select current_database(), current_setting('server_version')"
        curs = db.cursor()
        curs.execute(q)
        res = curs.fetchone()
        print 'Server version', res[1]
        self.cur_database = res[0]
        return db
Beispiel #8
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    def work(self):
        socks = dict(self.poller.poll(1000))
        if self.master in socks and socks[self.master] == zmq.POLLIN:
            zmsg = self.master.recv_multipart()
        else:  # timeout
            return
        try:
            cmsg = CCMessage(zmsg)
            self.log.trace('%s', cmsg)
        except:
            self.log.exception("invalid CC message")
            return

        if not self.db:
            self.log.info('connecting to database')
            self.db = skytools.connect_database(self.connstr)
            self.db.set_isolation_level(0)

        self.process_request(cmsg)
Beispiel #9
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    def work(self):
        socks = dict (self.poller.poll (1000))
        if self.master in socks and socks[self.master] == zmq.POLLIN:
            zmsg = self.master.recv_multipart()
        else: # timeout
            return
        try:
            cmsg = CCMessage (zmsg)
            self.log.trace ('%s', cmsg)
        except:
            self.log.exception ("invalid CC message")
            return

        if not self.db:
            self.log.info('connecting to database')
            self.db = skytools.connect_database(self.connstr)
            self.db.set_isolation_level(0)

        self.process_request(cmsg)
Beispiel #10
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    def db_connect(self, connstr, quiet=False):
        db = skytools.connect_database(connstr)
        db.set_isolation_level(0) # autocommit

        q = "select current_database(), current_setting('server_version')"
        curs = db.cursor()
        curs.execute(q)
        res = curs.fetchone()
        self.cur_database = res[0]
        self.server_version = res[1]
        q = "select pgq.version()"
        try:
            curs.execute(q)
            res = curs.fetchone()
            self.pgq_version = res[0]
        except psycopg2.ProgrammingError:
            self.pgq_version = "<none>"
        if not quiet:
            print "qadmin (%s, server %s, pgq %s)" % (__version__, self.server_version, self.pgq_version)
            #print "Connected to %r" % connstr
        return db
Beispiel #11
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    def db_connect(self, connstr, quiet=False):
        db = skytools.connect_database(connstr)
        db.set_isolation_level(0) # autocommit

        q = "select current_database(), current_setting('server_version')"
        curs = db.cursor()
        curs.execute(q)
        res = curs.fetchone()
        self.cur_database = res[0]
        self.server_version = res[1]
        q = "select pgq.version()"
        try:
            curs.execute(q)
            res = curs.fetchone()
            self.pgq_version = res[0]
        except psycopg2.ProgrammingError:
            self.pgq_version = "<none>"
        if not quiet:
            print "qadmin (%s, server %s, pgq %s)" % (__version__, self.server_version, self.pgq_version)
            #print "Connected to %r" % connstr
        return db
Beispiel #12
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    def get_connection(self, isolation_level=-1, listen_channel_list=()):

        # default isolation_level is READ COMMITTED
        if isolation_level < 0:
            isolation_level = skytools.I_READ_COMMITTED

        # new conn?
        if not self.conn:
            self.isolation_level = isolation_level
            self.conn = skytools.connect_database(self.loc)
            self.conn.my_name = self.name

            self.conn.set_isolation_level(isolation_level)
            self.conn_time = time.time()
            if self.setup_func:
                self.setup_func(self.name, self.conn)
        else:
            if self.isolation_level != isolation_level:
                raise Exception("Conflict in isolation_level")

        self._sync_listen(listen_channel_list)

        # done
        return self.conn
Beispiel #13
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    def get_connection(self, isolation_level = -1, listen_channel_list = []):

        # default isolation_level is READ COMMITTED
        if isolation_level < 0:
            isolation_level = skytools.I_READ_COMMITTED

        # new conn?
        if not self.conn:
            self.isolation_level = isolation_level
            self.conn = skytools.connect_database(self.loc)
            self.conn.my_name = self.name

            self.conn.set_isolation_level(isolation_level)
            self.conn_time = time.time()
            if self.setup_func:
                self.setup_func(self.name, self.conn)
        else:
            if self.isolation_level != isolation_level:
                raise Exception("Conflict in isolation_level")

        self._sync_listen(listen_channel_list)

        # done
        return self.conn
Beispiel #14
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 def connect_database(self):
     self.log.info("connecting to database")
     self.db = skytools.connect_database(self.connstr)
     self.db.set_isolation_level(0)
Beispiel #15
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 def connect_database(self):
     self.log.info("connecting to database")
     self.db = skytools.connect_database(self.connstr)
     self.db.set_isolation_level(0)