async def __anext__(self):
if not self.connection:
raise SQLError(
"Attempting to use uninitialized aio cursor, please await on it or use with expression."
)
if not self.data:
raise StopAsyncIteration
if self._field_names:
result = self._field_names
self._field_names = None
return result
try:
row = next(self.data)
except StopIteration:
if self.more:
result = await sql_fields_cursor_get_page_async(
self.connection, self.cursor_id, self._field_count)
if result.status != 0:
raise SQLError(result.message)
self.data, self.more = iter(
result.value['data']), result.value['more']
try:
row = next(self.data)
except StopIteration:
raise StopAsyncIteration
else:
raise StopAsyncIteration
return await asyncio.gather(
*[self.client.unwrap_binary(v) for v in row])
def __next__(self):
if not self.data:
raise StopIteration
if self._field_names:
result = self._field_names
self._field_names = None
return result
try:
row = next(self.data)
except StopIteration:
if self.more:
result = sql_fields_cursor_get_page(self.connection,
self.cursor_id,
self._field_count)
if result.status != 0:
raise SQLError(result.message)
self.data, self.more = iter(
result.value['data']), result.value['more']
row = next(self.data)
else:
raise StopIteration
return [self.client.unwrap_binary(v) for v in row]
def _finalize_init(self, result):
if result.status != 0:
raise SQLError(result.message)
self.cursor_id, self.more = result.value['cursor'], result.value[
'more']
self.data = iter(result.value['data'])
self._field_names = result.value.get('fields', None)
if self._field_names:
self._field_count = len(self._field_names)
else:
self._field_count = result.value['field_count']
def __init__(self, client, cache_info, *args, **kwargs):
"""
:param client: Synchronous Apache Ignite client.
:param cache_info: Cache meta info.
"""
self.client = client
self.cache_info = cache_info
self.connection = self.client.random_node
result = sql(self.connection, self.cache_info, *args, **kwargs)
if result.status != 0:
raise SQLError(result.message)
self.cursor_id, self.more = result.value['cursor'], result.value[
'more']
self.data = iter(result.value['data'].items())
def __next__(self):
if not self.data:
raise StopIteration
try:
k, v = next(self.data)
except StopIteration:
if self.more:
result = sql_cursor_get_page(self.connection, self.cursor_id)
if result.status != 0:
raise SQLError(result.message)
self.data, self.more = iter(
result.value['data'].items()), result.value['more']
k, v = next(self.data)
else:
raise StopIteration
return self.client.unwrap_binary(k), self.client.unwrap_binary(v)