def _create_file(self, badge: FileBadge) -> int:
# return new id for file badge
params = {
'lines_count': 0,
'duration': 0,
'status': 'new',
'fail_descr': None,
'last_update': datetime.now(),
'name': badge.name,
'type': badge.data_type,
}
insert_query = sql.SQL(
'INSERT INTO {}({} {}) VALUES ({} {}) RETURNING {}').format(
sql.Identifier(self._file_table),
sql.SQL(', ').join(map(sql.Identifier, params.keys())),
_gen_fields_for(self._filter),
sql.SQL(', ').join(map(sql.Literal, params.values())),
_gen_values_for(self._filter),
sql.Identifier('id'),
)
cursor = self.cursor(named=True)
cursor.execute(insert_query)
self.commit()
file_id = cursor.fetchone().id
self._badges[file_id] = badge # time for local cache
return file_id
def calculate(self, max_hours):
batch_cursor = self.cursor()
batch_update_query = pgs.SQL(
'UPDATE {} SET {}=%s WHERE start>=%s AND start<%s AND base1s={} AND ops_uid=%s'
).format(
pgs.Identifier(self.APDEX_TABLE),
pgs.Identifier(self.APDEX_FIELD),
pgs.Literal(self.base1s),
)
batch_params_list = []
for _ in range(max_hours):
period = self.get_next_period()
if not period:
break
ops_map = self.ops_apdex_for2(period)
for ops in ops_map or ():
batch_params_list.append(
(ops.apdex, period.begin, period.end, ops.id))
self.log.append(period)
self._extras.execute_batch(batch_cursor, batch_update_query,
batch_params_list)
self.commit()
def get_next_period(self) -> _Period:
select_query = pgs.SQL(
'SELECT start FROM {} WHERE base1s={} AND {} IS Null ORDER BY start ASC'
).format(
pgs.Identifier(self.APDEX_TABLE),
pgs.Literal(self.base1s),
pgs.Identifier(self.APDEX_FIELD),
)
cursor = self.cursor(named=True)
cursor.execute(select_query)
rows = cursor.fetchone()
return _Period(rows.start) if rows else None
def ops_apdex_for2(self, period: _Period):
apdex_calc_query = pgs.SQL(''' WITH
empty_uid AS (
SELECT ops_uid AS id FROM {0} WHERE
start >= {1}::TIMESTAMP AND start < {2}::TIMESTAMP
AND
base1s = {3}
AND
apdex IS Null
GROUP BY ops_uid
)
SELECT ops_uid AS id,
(COUNT(CASE WHEN status='NS' THEN 1 END) + (COUNT(CASE WHEN status='NT' THEN 1 END)::REAL/2))::REAL
/ COUNT(*)::REAL AS apdex FROM {0}
WHERE
start >= {1}::TIMESTAMP AND start < {2}::TIMESTAMP
AND
base1s = {3}
AND
ops_uid IN (SELECT id FROM empty_uid)
GROUP BY ops_uid ''').format(
pgs.Identifier(self.APDEX_TABLE),
pgs.Literal(period.begin),
pgs.Literal(period.end),
pgs.Literal(self.base1s),
)
cursor = self.cursor(named=True)
cursor.execute(apdex_calc_query)
return cursor.fetchall()
def _check_file_exist(self, badge: FileBadge):
result = None # in case file not exist
check_query = sql.SQL(
'SELECT id FROM {} WHERE {}={} and {}={} {}').format(
sql.Identifier(self._file_table), sql.Identifier('name'),
sql.Literal(badge.name), sql.Identifier('type'),
sql.Literal(badge.data_type), _gen_where_for(self._filter))
cursor = self.cursor(named=True)
cursor.execute(check_query)
rows = cursor.fetchall()
if len(rows) != 0:
result = rows[0].id
self._badges[result] = badge
return result
def _gen_fields_for(_filter: DataFilter):
if not len(_filter):
return sql.SQL('') # safe subquery result
else:
return sql.Composed([
sql.SQL(', {}').format(sql.Identifier(item.field))
for item in _filter
])
def _gen_where_for(_filter: DataFilter):
if not len(_filter):
return sql.SQL('') # safe subquery result
else:
return sql.Composed([
sql.SQL(' and {} = {} ').format(sql.Identifier(item.field),
sql.Literal(item.value))
for item in _filter
])
def remove_task_expenses(self, task_id, cursor):
cursor.execute(
sql.SQL('delete from {} where {}={} returning {}').format(
sql.Identifier('Expenses'), sql.Identifier('TaskId'),
sql.Literal(task_id), sql.Identifier('Minutes')))
minutes_sum = minutes_count = 0
for minutes in cursor.fetchall():
minutes_sum += minutes[0]
minutes_count += 1
print("#{}{}".format(
task_id, '(c:{}-s:{})'.format(minutes_count, minutes_sum)
if minutes_count else ''))
manual_task_close_query = sql.SQL(
'UPDATE "Tasks" SET "Closed"={}, "m_lastClosedTouch"={} WHERE "Id"={}'
).format(
sql.Literal(datetime.now()),
sql.Literal(datetime(1111, 11, 11)), # manual closed marker
sql.Literal(task_id))
cursor.execute(manual_task_close_query)
def update_file_status(self,
file_id: int,
is_ok: bool,
fail_reason: str = None):
cursor = self.cursor(named=True)
badge = self._id_to_badge(file_id)
if len(self._batch_params):
batch_query = sql.SQL(
'insert into {} ({}, file_id {}) values ({}, {} {})').format(
sql.Identifier(self._storage_rule[badge.data_type]),
sql.SQL(', ').join(map(sql.Identifier, self._batch_hdr)),
_gen_fields_for(self._filter),
sql.SQL(', ').join(
sql.SQL('%s') for _ in enumerate(self._batch_hdr)),
sql.Literal(file_id),
_gen_values_for(self._filter),
)
self._extras.execute_batch(cursor, batch_query, self._batch_params)
lines_count = len(self._batch_params)
self._batch_params.clear()
params = {
'lines_count': lines_count,
'duration': (datetime.now() - self._attach_begin).seconds,
'status': 'done' if is_ok else 'fail',
'fail_descr': fail_reason,
}
update_query = sql.SQL('UPDATE {} SET ({})=({}) WHERE {}={}').format(
sql.Identifier(self._file_table),
sql.SQL(', ').join(sql.Identifier(key) for key in params.keys()),
sql.SQL(', ').join(
sql.Literal(value) for value in params.values()),
sql.Identifier('id'),
sql.Literal(file_id),
)
cursor.execute(update_query)
self.commit()
def _clear_file_data(self, file_id):
delete_query = sql.SQL('DELETE FROM {} WHERE {}={}').format(
sql.Identifier(
self._storage_rule[self._id_to_badge(file_id).data_type]),
sql.Identifier('file_id'), sql.Literal(file_id))
params = {
'lines_count': 0,
'duration': 0,
'status': 'update',
'fail_descr': None,
'last_update': datetime.now()
}
update_query = sql.SQL('UPDATE {} SET ({}) = ({}) WHERE {}={}').format(
sql.Identifier(self._file_table),
sql.SQL(', ').join(sql.Identifier(key) for key in params.keys()),
sql.SQL(', ').join(
sql.Literal(value) for value in params.values()),
sql.Identifier('id'), sql.Literal(file_id))
cursor = self.cursor()
cursor.execute(delete_query)
cursor.execute(update_query)
self.commit()
def ops_apdex_for(self, period: _Period): # return dict
sq_case = pgs.SQL('COUNT(CASE WHEN status={} THEN 1 END)')
sq_ns_case = sq_case.format(pgs.Literal('NS'))
sq_nt_case = sq_case.format(pgs.Literal('NT'))
n_query = pgs.SQL(
'SELECT ops_uid as id, ({} + ({}::real/2))::real / COUNT(*)::real as apdex FROM {} '
'WHERE start>={} AND start<{} AND base1s={} group by ops_uid'
).format(sq_ns_case, sq_nt_case, pgs.Identifier(self.APDEX_TABLE),
pgs.Literal(period.begin), pgs.Literal(period.end),
pgs.Literal(self.base1s))
cursor = self.cursor(named=True)
cursor.execute(n_query)
return cursor.fetchall()
