def execute(request):
response = {'status': -1}
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
try:
response['handle'] = get_api(request, snippet).execute(notebook, snippet)
finally:
if notebook['type'].startswith('query-'):
_snippet = [s for s in notebook['snippets'] if s['id'] == snippet['id']][0]
if 'handle' in response: # No failure
_snippet['result']['handle'] = response['handle']
_snippet['result']['statements_count'] = response['handle']['statements_count']
else:
_snippet['status'] = 'failed'
history = _historify(notebook, request.user)
response['history_id'] = history.id
response['history_uuid'] = history.uuid
# Materialize and HTML escape results
if response['handle'].get('sync') and response['handle']['result'].get('data'):
response['handle']['result']['data'] = escape_rows(response['handle']['result']['data'])
response['status'] = 0
return JsonResponse(response)
def execute(request):
response = {'status': -1}
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
try:
response['handle'] = get_api(request, snippet).execute(notebook, snippet)
finally:
if notebook['type'].startswith('query-'):
_snippet = [s for s in notebook['snippets'] if s['id'] == snippet['id']][0]
if 'handle' in response: # No failure
_snippet['result']['handle'] = response['handle']
else:
_snippet['status'] = 'failed'
history = _historify(notebook, request.user)
response['history_id'] = history.id
response['history_uuid'] = history.uuid
if notebook['isSaved']: # Keep track of history of saved queries
response['history_parent_uuid'] = history.dependencies.filter(type__startswith='query-').latest('last_modified').uuid
# Materialize and HTML escape results
if response['handle'].get('sync') and response['handle']['result'].get('data'):
response['handle']['result']['data'] = escape_rows(response['handle']['result']['data'])
response['status'] = 0
return JsonResponse(response)
def view_results(request, id, first_row=0):
"""
Returns the view for the results of the QueryHistory with the given id.
The query results MUST be ready.
To display query results, one should always go through the execute_query view.
If the result set has has_result_set=False, display an empty result.
If ``first_row`` is 0, restarts (if necessary) the query read. Otherwise, just
spits out a warning if first_row doesn't match the servers conception.
Multiple readers will produce a confusing interaction here, and that's known.
It understands the ``context`` GET parameter. (See execute_query().)
"""
first_row = long(first_row)
start_over = (first_row == 0)
results = type('Result', (object,), {
'rows': 0,
'columns': [],
'has_more': False,
'start_row': 0,
})
data = []
fetch_error = False
error_message = ''
log = ''
columns = []
app_name = get_app_name(request)
query_history = authorized_get_query_history(request, id, must_exist=True)
query_server = query_history.get_query_server_config()
db = dbms.get(request.user, query_server)
handle, state = _get_query_handle_and_state(query_history)
context_param = request.GET.get('context', '')
query_context = parse_query_context(context_param)
# Update the status as expired should not be accessible
expired = state == models.QueryHistory.STATE.expired
# Retrieve query results or use empty result if no result set
try:
if query_server['server_name'] == 'impala' and not handle.has_result_set:
downloadable = False
else:
results = db.fetch(handle, start_over, 100)
# Materialize and HTML escape results
data = escape_rows(results.rows())
# We display the "Download" button only when we know that there are results:
downloadable = first_row > 0 or data
log = db.get_log(handle)
columns = results.data_table.cols()
except Exception, ex:
LOG.exception('error fetching results')
fetch_error = True
error_message, log = expand_exception(ex, db, handle)
def _get_sample_data(db, database, table):
table_obj = db.get_table(database, table)
sample_data = db.get_sample(database, table_obj)
response = {'status': -1}
if sample_data:
response['status'] = 0
response['headers'] = sample_data.cols()
response['rows'] = escape_rows(sample_data.rows(), nulls_only=True)
else:
response['message'] = _('Failed to get sample data.')
return response
def get_indexes(request, database, table):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1}
indexes = db.get_indexes(database, table)
if indexes:
response['status'] = 0
response['headers'] = indexes.cols()
response['rows'] = escape_rows(indexes.rows(), nulls_only=True)
else:
response['message'] = _('Failed to get indexes.')
return JsonResponse(response)
def get_indexes(request, database, table):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1, 'error_message': ''}
indexes = db.get_indexes(database, table)
if indexes:
response['status'] = 0
response['headers'] = indexes.cols()
response['rows'] = escape_rows(indexes.rows(), nulls_only=True)
else:
response['error_message'] = _('Index data took too long to be generated')
return JsonResponse(response)
def execute(request):
response = {"status": -1}
notebook = json.loads(request.POST.get("notebook", "{}"))
snippet = json.loads(request.POST.get("snippet", "{}"))
response["handle"] = get_api(request.user, snippet, request.fs, request.jt).execute(notebook, snippet)
# Materialize and HTML escape results
if response["handle"].get("sync") and response["handle"]["result"].get("data"):
response["handle"]["result"]["data"] = escape_rows(response["handle"]["result"]["data"])
response["status"] = 0
return JsonResponse(response)
def execute(request):
response = {'status': -1}
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
response['handle'] = get_api(request, snippet).execute(notebook, snippet)
# Materialize and HTML escape results
if response['handle'].get('sync') and response['handle']['result'].get('data'):
response['handle']['result']['data'] = escape_rows(response['handle']['result']['data'])
response['status'] = 0
return JsonResponse(response)
def get_sample_data(request, database, table):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1}
table_obj = db.get_table(database, table)
sample_data = db.get_sample(database, table_obj)
if sample_data:
response['status'] = 0
response['headers'] = sample_data.cols()
response['rows'] = escape_rows(sample_data.rows(), nulls_only=True)
else:
response['message'] = _('Failed to get sample data.')
return JsonResponse(response)
def get_functions(request):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1}
prefix = request.GET.get('prefix', None)
functions = db.get_functions(prefix)
if functions:
response['status'] = 0
rows = escape_rows(functions.rows(), nulls_only=True)
response['functions'] = [row[0] for row in rows]
else:
response['message'] = _('Failed to get functions.')
return JsonResponse(response)
def get_sample_data(request, database, table):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1, 'error_message': ''}
table_obj = db.get_table(database, table)
sample_data = db.get_sample(database, table_obj)
if sample_data:
response['status'] = 0
response['headers'] = sample_data.cols()
response['rows'] = escape_rows(sample_data.rows(), nulls_only=True)
else:
response['error_message'] = _('Sample data took too long to be generated')
return JsonResponse(response)
def get_sample_data(request, database, table):
db = dbms.get(request.user)
response = {'status': -1, 'error_message': ''}
try:
table_obj = db.get_table(database, table)
sample_data = db.get_sample(database, table_obj)
if sample_data:
response['status'] = 0
response['headers'] = sample_data.cols()
response['rows'] = escape_rows(sample_data.rows(), nulls_only=True)
else:
response['error_message'] = _('Sample data took too long to be generated')
except Exception, ex:
error_message, logs = dbms.expand_exception(ex, db)
response['error_message'] = error_message
def get_indexes(request, database, table):
query_server = dbms.get_query_server_config(get_app_name(request))
db = dbms.get(request.user, query_server)
response = {'status': -1, 'error_message': ''}
try:
indexes = db.get_indexes(database, table)
if indexes:
response['status'] = 0
response['headers'] = indexes.cols()
response['rows'] = escape_rows(indexes.rows(), nulls_only=True)
else:
response['error_message'] = _('Index data took too long to be generated')
except Exception, ex:
error_message, logs = dbms.expand_exception(ex, db)
response['error_message'] = error_message
def fetch_result_data(request):
response = {"status": -1}
notebook = json.loads(request.POST.get("notebook", "{}"))
snippet = json.loads(request.POST.get("snippet", "{}"))
rows = json.loads(request.POST.get("rows", 100))
start_over = json.loads(request.POST.get("startOver", False))
response["result"] = get_api(request, snippet).fetch_result(notebook, snippet, rows, start_over)
# Materialize and HTML escape results
if response["result"].get("data") and response["result"].get("type") == "table":
response["result"]["data"] = escape_rows(response["result"]["data"])
response["status"] = 0
return JsonResponse(response)
def fetch_result_data(request):
response = {'status': -1}
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
rows = json.loads(request.POST.get('rows', 100))
start_over = json.loads(request.POST.get('startOver', False))
response['result'] = get_api(request, snippet).fetch_result(notebook, snippet, rows, start_over)
# Materialize and HTML escape results
if response['result'].get('data') and response['result'].get('type') == 'table':
response['result']['data'] = escape_rows(response['result']['data'])
response['status'] = 0
return JsonResponse(response)
def _get_sample_data(db, database, table, column):
table_obj = db.get_table(database, table)
sample_data = db.get_sample(database, table_obj, column)
response = {'status': -1}
if sample_data:
sample = escape_rows(sample_data.rows(), nulls_only=True)
if column:
sample = set([row[0] for row in sample])
sample = [[item] for item in sorted(list(sample))]
response['status'] = 0
response['headers'] = sample_data.cols()
response['rows'] = sample
else:
response['message'] = _('Failed to get sample data.')
return response
def get_sample_data(self, database, table, column=None):
if column is None:
column = ', '.join([col['name'] for col in self.get_columns(database, table)])
snippet = {
'database': table,
'statement': 'SELECT %s FROM %s LIMIT 250' % (column, table)
}
res = self.api.execute(None, snippet)
response = {'status': -1}
if res:
response['status'] = 0
response['headers'] = [col['name'] for col in res['result']['meta']]
response['rows'] = escape_rows(res['result']['data'], nulls_only=True)
else:
response['message'] = _('Failed to get sample data.')
return response
def execute(request):
response = {'status': -1}
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
try:
response['handle'] = get_api(request, snippet).execute(notebook, snippet)
finally:
if notebook['type'].startswith('query-'):
history = _historify(notebook, request.user)
response['history_id'] = history.id
# Materialize and HTML escape results
if response['handle'].get('sync') and response['handle']['result'].get('data'):
response['handle']['result']['data'] = escape_rows(response['handle']['result']['data'])
response['status'] = 0
return JsonResponse(response)
def _get_sample_data(db, database, table, column):
table_obj = db.get_table(database, table)
if table_obj.is_impala_only and db.client.query_server['server_name'] != 'impala':
query_server = get_query_server_config('impala')
db = dbms.get(db.client.user, query_server)
sample_data = db.get_sample(database, table_obj, column)
response = {'status': -1}
if sample_data:
sample = escape_rows(sample_data.rows(), nulls_only=True)
if column:
sample = set([row[0] for row in sample])
sample = [[item] for item in sorted(list(sample))]
response['status'] = 0
response['headers'] = sample_data.cols()
response['full_headers'] = sample_data.full_cols()
response['rows'] = sample
else:
response['message'] = _('Failed to get sample data.')
return response
def execute(request):
response = {'status': -1}
result = None
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
try:
response['handle'] = get_api(request, snippet).execute(notebook, snippet)
# Retrieve and remove the result from the handle
if response['handle'].get('sync'):
result = response['handle'].pop('result')
finally:
if notebook['type'].startswith('query-'):
_snippet = [s for s in notebook['snippets'] if s['id'] == snippet['id']][0]
if 'handle' in response: # No failure
_snippet['result']['handle'] = response['handle']
_snippet['result']['statements_count'] = response['handle'].get('statements_count', 1)
_snippet['result']['statement_id'] = response['handle'].get('statement_id', 0)
_snippet['result']['handle']['statement'] = response['handle'].get('statement', snippet['statement']) # For non HS2, as non multi query yet
else:
_snippet['status'] = 'failed'
history = _historify(notebook, request.user)
response['history_id'] = history.id
response['history_uuid'] = history.uuid
if notebook['isSaved']: # Keep track of history of saved queries
response['history_parent_uuid'] = history.dependencies.filter(type__startswith='query-').latest('last_modified').uuid
# Inject and HTML escape results
if result is not None:
response['result'] = result
response['result']['data'] = escape_rows(result['data'])
response['status'] = 0
return JsonResponse(response)
def view_results(request, id, first_row=0):
"""
Returns the view for the results of the QueryHistory with the given id.
The query results MUST be ready.
To display query results, one should always go through the execute_query view.
If the result set has has_result_set=False, display an empty result.
If ``first_row`` is 0, restarts (if necessary) the query read. Otherwise, just
spits out a warning if first_row doesn't match the servers conception.
Multiple readers will produce a confusing interaction here, and that's known.
It understands the ``context`` GET parameter. (See execute_query().)
"""
first_row = long(first_row)
start_over = (first_row == 0)
results = type('Result', (object, ), {
'rows': 0,
'columns': [],
'has_more': False,
'start_row': 0,
})
data = []
fetch_error = False
error_message = ''
log = ''
columns = []
app_name = get_app_name(request)
query_history = authorized_get_query_history(request, id, must_exist=True)
query_server = query_history.get_query_server_config()
db = dbms.get(request.user, query_server)
handle, state = _get_query_handle_and_state(query_history)
context_param = request.GET.get('context', '')
query_context = parse_query_context(context_param)
# Update the status as expired should not be accessible
expired = state == models.QueryHistory.STATE.expired
# Retrieve query results or use empty result if no result set
try:
if query_server[
'server_name'] == 'impala' and not handle.has_result_set:
downloadable = False
else:
results = db.fetch(handle, start_over, 100)
# Materialize and HTML escape results
data = escape_rows(results.rows())
# We display the "Download" button only when we know that there are results:
downloadable = first_row > 0 or data
log = db.get_log(handle)
columns = results.data_table.cols()
except Exception, ex:
LOG.exception('error fetching results')
fetch_error = True
error_message, log = expand_exception(ex, db, handle)
def view_results(request, id, first_row=0):
"""
Returns the view for the results of the QueryHistory with the given id.
The query results MUST be ready.
To display query results, one should always go through the execute_query view.
If the result set has has_result_set=False, display an empty result.
If ``first_row`` is 0, restarts (if necessary) the query read. Otherwise, just
spits out a warning if first_row doesn't match the servers conception.
Multiple readers will produce a confusing interaction here, and that's known.
It understands the ``context`` GET parameter. (See execute_query().)
"""
first_row = int(first_row)
start_over = (first_row == 0)
results = type('Result', (object,), {
'rows': 0,
'columns': [],
'has_more': False,
'start_row': 0,
})
data = []
fetch_error = False
error_message = ''
log = ''
columns = []
app_name = get_app_name(request)
query_history = authorized_get_query_history(request, id, must_exist=True)
query_server = query_history.get_query_server_config()
db = dbms.get(request.user, query_server)
handle, state = _get_query_handle_and_state(query_history)
context_param = request.GET.get('context', '')
query_context = parse_query_context(context_param)
# Update the status as expired should not be accessible
expired = state == models.QueryHistory.STATE.expired
# Retrieve query results or use empty result if no result set
try:
if query_server['server_name'] == 'impala' and not handle.has_result_set:
downloadable = False
else:
results = db.fetch(handle, start_over, 100)
# Materialize and HTML escape results
data = escape_rows(results.rows())
# We display the "Download" button only when we know that there are results:
downloadable = first_row > 0 or data
log = db.get_log(handle)
columns = results.data_table.cols()
except Exception as ex:
LOG.exception('error fetching results')
fetch_error = True
error_message, log = expand_exception(ex, db, handle)
# Handle errors
error = fetch_error or results is None or expired
context = {
'error': error,
'message': error_message,
'query': query_history,
'results': data,
'columns': columns,
'expected_first_row': first_row,
'log': log,
'hadoop_jobs': app_name != 'impala' and parse_out_jobs(log),
'query_context': query_context,
'can_save': False,
'context_param': context_param,
'expired': expired,
'app_name': app_name,
'next_json_set': None,
'is_finished': query_history.is_finished()
}
if not error:
download_urls = {}
if downloadable:
for format in common.DL_FORMATS:
download_urls[format] = reverse(app_name + ':download', kwargs=dict(id=str(id), format=format))
results.start_row = first_row
context.update({
'id': id,
'results': data,
'has_more': results.has_more,
'next_row': results.start_row + len(data),
'start_row': results.start_row,
'expected_first_row': first_row,
'columns': columns,
'download_urls': download_urls,
'can_save': query_history.owner == request.user,
'next_json_set':
reverse(get_app_name(request) + ':view_results', kwargs={
'id': str(id),
'first_row': results.start_row + len(data)
}
)
+ ('?context=' + context_param or '') + '&format=json'
})
context['columns'] = massage_columns_for_json(columns)
if 'save_form' in context:
del context['save_form']
if 'query' in context:
del context['query']
return JsonResponse(context)
response["history_parent_uuid"] = (
history.dependencies.filter(type__startswith="query-").latest("last_modified").uuid
)
except QueryError, ex: # We inject the history information from _historify() to the failed queries
if response.get("history_id"):
ex.extra["history_id"] = response["history_id"]
if response.get("history_uuid"):
ex.extra["history_uuid"] = response["history_uuid"]
if response.get("history_parent_uuid"):
ex.extra["history_parent_uuid"] = response["history_parent_uuid"]
raise ex
# Inject and HTML escape results
if result is not None:
response["result"] = result
response["result"]["data"] = escape_rows(result["data"])
response["status"] = 0
return response
@require_POST
@check_document_access_permission()
@api_error_handler
def execute(request):
notebook = json.loads(request.POST.get("notebook", "{}"))
snippet = json.loads(request.POST.get("snippet", "{}"))
response = _execute_notebook(request, notebook, snippet)
def guess_field_types(request):
file_format = json.loads(request.POST.get('fileFormat', '{}'))
if file_format['inputFormat'] == 'localfile':
path = urllib_unquote(file_format['path'])
with open(path, 'r') as local_file:
reader = csv.reader(local_file)
csv_data = list(reader)
if file_format['format']['hasHeader']:
sample = csv_data[1:5]
column_row = [
re.sub('[^0-9a-zA-Z]+', '_', col) for col in csv_data[0]
]
else:
sample = csv_data[:4]
column_row = [
'field_' + str(count + 1)
for count, col in enumerate(sample[0])
]
field_type_guesses = []
for count, col in enumerate(column_row):
column_samples = [
sample_row[count] for sample_row in sample
if len(sample_row) > count
]
field_type_guess = guess_field_type_from_samples(
column_samples)
field_type_guesses.append(field_type_guess)
columns = [
Field(column_row[count], field_type_guesses[count]).to_dict()
for count, col in enumerate(column_row)
]
format_ = {'columns': columns, 'sample': sample}
elif file_format['inputFormat'] == 'file':
indexer = MorphlineIndexer(request.user, request.fs)
path = urllib_unquote(file_format["path"])
if path[-3:] == 'xls' or path[-4:] == 'xlsx':
path = excel_to_csv_file_name_change(path)
stream = request.fs.open(path)
encoding = check_encoding(stream.read(10000))
LOG.debug('File %s encoding is %s' % (path, encoding))
stream.seek(0)
_convert_format(file_format["format"], inverse=True)
format_ = indexer.guess_field_types({
"file": {
"stream": stream,
"name": path
},
"format": file_format['format']
})
# Note: Would also need to set charset to table (only supported in Hive)
if 'sample' in format_ and format_['sample']:
format_['sample'] = escape_rows(format_['sample'],
nulls_only=True,
encoding=encoding)
for col in format_['columns']:
col['name'] = smart_unicode(col['name'],
errors='replace',
encoding=encoding)
elif file_format['inputFormat'] == 'table':
sample = get_api(request, {
'type': 'hive'
}).get_sample_data({'type': 'hive'},
database=file_format['databaseName'],
table=file_format['tableName'])
db = dbms.get(request.user)
table_metadata = db.get_table(database=file_format['databaseName'],
table_name=file_format['tableName'])
format_ = {
"sample":
sample['rows'][:4],
"columns": [
Field(col.name,
HiveFormat.FIELD_TYPE_TRANSLATE.get(col.type,
'string')).to_dict()
for col in table_metadata.cols
]
}
elif file_format['inputFormat'] == 'query':
query_id = file_format['query']['id'] if file_format['query'].get(
'id') else file_format['query']
notebook = Notebook(document=Document2.objects.document(
user=request.user, doc_id=query_id)).get_data()
snippet = notebook['snippets'][0]
db = get_api(request, snippet)
if file_format.get('sampleCols'):
columns = file_format.get('sampleCols')
sample = file_format.get('sample')
else:
snippet['query'] = snippet['statement']
try:
sample = db.fetch_result(notebook, snippet, 4,
start_over=True)['rows'][:4]
except Exception as e:
LOG.warning(
'Skipping sample data as query handle might be expired: %s'
% e)
sample = [[], [], [], [], []]
columns = db.autocomplete(snippet=snippet, database='', table='')
columns = [
Field(
col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(col['type'],
'string')).to_dict()
for col in columns['extended_columns']
]
format_ = {
"sample": sample,
"columns": columns,
}
elif file_format['inputFormat'] == 'rdbms':
api = _get_api(request)
sample = api.get_sample_data(None,
database=file_format['rdbmsDatabaseName'],
table=file_format['tableName'])
format_ = {
"sample":
list(sample['rows'])[:4],
"columns": [
Field(col['name'], col['type']).to_dict()
for col in sample['full_headers']
]
}
elif file_format['inputFormat'] == 'stream':
if file_format['streamSelection'] == 'kafka':
data = get_topic_data(request.user,
file_format.get('kafkaSelectedTopics'))
kafkaFieldNames = [col['name'] for col in data['full_headers']]
kafkaFieldTypes = [col['type'] for col in data['full_headers']]
topics_data = data['rows']
format_ = {
"sample":
topics_data,
"columns": [
Field(col, 'string', unique=False).to_dict()
for col in kafkaFieldNames
]
}
elif file_format['streamSelection'] == 'flume':
if 'hue-httpd/access_log' in file_format['channelSourcePath']:
columns = [{
'name': 'id',
'type': 'string',
'unique': True
}, {
'name': 'client_ip',
'type': 'string'
}, {
'name': 'time',
'type': 'date'
}, {
'name': 'request',
'type': 'string'
}, {
'name': 'code',
'type': 'plong'
}, {
'name': 'bytes',
'type': 'plong'
}, {
'name': 'method',
'type': 'string'
}, {
'name': 'url',
'type': 'string'
}, {
'name': 'protocol',
'type': 'string'
}, {
'name': 'app',
'type': 'string'
}, {
'name': 'subapp',
'type': 'string'
}]
else:
columns = [{'name': 'message', 'type': 'string'}]
format_ = {
"sample": [['...'] * len(columns)] * 4,
"columns": [
Field(col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(
col['type'], 'string'),
unique=col.get('unique')).to_dict()
for col in columns
]
}
elif file_format['inputFormat'] == 'connector':
if file_format['connectorSelection'] == 'sfdc':
sf = Salesforce(username=file_format['streamUsername'],
password=file_format['streamPassword'],
security_token=file_format['streamToken'])
table_metadata = [{
'name': column['name'],
'type': column['type']
} for column in sf.restful('sobjects/%(streamObject)s/describe/' %
file_format)['fields']]
query = 'SELECT %s FROM %s LIMIT 4' % (', '.join(
[col['name']
for col in table_metadata]), file_format['streamObject'])
print(query)
try:
records = sf.query_all(query)
except SalesforceRefusedRequest as e:
raise PopupException(message=str(e))
format_ = {
"sample":
[list(row.values())[1:] for row in records['records']],
"columns": [
Field(
col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(
col['type'], 'string')).to_dict()
for col in table_metadata
]
}
else:
raise PopupException(
_('Connector format not recognized: %(connectorSelection)s') %
file_format)
else:
raise PopupException(
_('Input format not recognized: %(inputFormat)s') % file_format)
return JsonResponse(format_)
response['history_uuid'] = history.uuid
if notebook['isSaved']: # Keep track of history of saved queries
response['history_parent_uuid'] = history.dependencies.filter(type__startswith='query-').latest('last_modified').uuid
except QueryError, ex: # We inject the history information from _historify() to the failed queries
if response.get('history_id'):
ex.extra['history_id'] = response['history_id']
if response.get('history_uuid'):
ex.extra['history_uuid'] = response['history_uuid']
if response.get('history_parent_uuid'):
ex.extra['history_parent_uuid'] = response['history_parent_uuid']
raise ex
# Inject and HTML escape results
if result is not None:
response['result'] = result
response['result']['data'] = escape_rows(result['data'])
response['status'] = 0
return response
@require_POST
@check_document_access_permission()
@api_error_handler
def execute(request):
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
response = _execute_notebook(request, notebook, snippet)
return JsonResponse(response)
def guess_field_types(request):
file_format = json.loads(request.POST.get('fileFormat', '{}'))
if file_format['inputFormat'] == 'file':
indexer = MorphlineIndexer(request.user, request.fs)
path = urllib_unquote(file_format["path"])
stream = request.fs.open(path)
encoding = check_encoding(stream.read(10000))
stream.seek(0)
_convert_format(file_format["format"], inverse=True)
format_ = indexer.guess_field_types({
"file": {
"stream": stream,
"name": path
},
"format": file_format['format']
})
# Note: Would also need to set charset to table (only supported in Hive)
if 'sample' in format_ and format_['sample']:
format_['sample'] = escape_rows(format_['sample'],
nulls_only=True,
encoding=encoding)
for col in format_['columns']:
col['name'] = smart_unicode(col['name'],
errors='replace',
encoding=encoding)
elif file_format['inputFormat'] == 'table':
sample = get_api(request, {
'type': 'hive'
}).get_sample_data({'type': 'hive'},
database=file_format['databaseName'],
table=file_format['tableName'])
db = dbms.get(request.user)
table_metadata = db.get_table(database=file_format['databaseName'],
table_name=file_format['tableName'])
format_ = {
"sample":
sample['rows'][:4],
"columns": [
Field(col.name,
HiveFormat.FIELD_TYPE_TRANSLATE.get(col.type,
'string')).to_dict()
for col in table_metadata.cols
]
}
elif file_format['inputFormat'] == 'query':
query_id = file_format['query']['id'] if file_format['query'].get(
'id') else file_format['query']
notebook = Notebook(document=Document2.objects.document(
user=request.user, doc_id=query_id)).get_data()
snippet = notebook['snippets'][0]
db = get_api(request, snippet)
if file_format.get('sampleCols'):
columns = file_format.get('sampleCols')
sample = file_format.get('sample')
else:
snippet['query'] = snippet['statement']
try:
sample = db.fetch_result(notebook, snippet, 4,
start_over=True)['rows'][:4]
except Exception as e:
LOG.warn(
'Skipping sample data as query handle might be expired: %s'
% e)
sample = [[], [], [], [], []]
columns = db.autocomplete(snippet=snippet, database='', table='')
columns = [
Field(
col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(col['type'],
'string')).to_dict()
for col in columns['extended_columns']
]
format_ = {
"sample": sample,
"columns": columns,
}
elif file_format['inputFormat'] == 'rdbms':
api = _get_api(request)
sample = api.get_sample_data(None,
database=file_format['rdbmsDatabaseName'],
table=file_format['tableName'])
format_ = {
"sample":
list(sample['rows'])[:4],
"columns": [
Field(col['name'], col['type']).to_dict()
for col in sample['full_headers']
]
}
elif file_format['inputFormat'] == 'stream':
if file_format['streamSelection'] == 'kafka':
if file_format.get(
'kafkaSelectedTopics') == 'NavigatorAuditEvents':
kafkaFieldNames = [
'id', 'additionalInfo', 'allowed', 'collectionName',
'databaseName', 'db', 'DELEGATION_TOKEN_ID', 'dst',
'entityId', 'family', 'impersonator', 'ip', 'name',
'objectType', 'objType', 'objUsageType', 'operationParams',
'operationText', 'op', 'opText', 'path', 'perms',
'privilege', 'qualifier', 'QUERY_ID', 'resourcePath',
'service', 'SESSION_ID', 'solrVersion', 'src', 'status',
'subOperation', 'tableName', 'table', 'time', 'type',
'url', 'user'
]
kafkaFieldTypes = ['string'] * len(kafkaFieldNames)
kafkaFieldNames.append('timeDate')
kafkaFieldTypes.append('date')
else:
# Note: mocked here, should come from SFDC or Kafka API or sampling job
kafkaFieldNames = file_format.get('kafkaFieldNames',
'').split(',')
kafkaFieldTypes = file_format.get('kafkaFieldTypes',
'').split(',')
data = """%(kafkaFieldNames)s
%(data)s""" % {
'kafkaFieldNames': ','.join(kafkaFieldNames),
'data': '\n'.join(
[','.join(['...'] * len(kafkaFieldTypes))] * 5)
}
stream = string_io()
stream.write(data)
_convert_format(file_format["format"], inverse=True)
indexer = MorphlineIndexer(request.user, request.fs)
format_ = indexer.guess_field_types({
"file": {
"stream": stream,
"name": file_format['path']
},
"format": file_format['format']
})
type_mapping = dict(list(zip(kafkaFieldNames, kafkaFieldTypes)))
for col in format_['columns']:
col['keyType'] = type_mapping[col['name']]
col['type'] = type_mapping[col['name']]
elif file_format['streamSelection'] == 'flume':
if 'hue-httpd/access_log' in file_format['channelSourcePath']:
columns = [{
'name': 'id',
'type': 'string',
'unique': True
}, {
'name': 'client_ip',
'type': 'string'
}, {
'name': 'time',
'type': 'date'
}, {
'name': 'request',
'type': 'string'
}, {
'name': 'code',
'type': 'plong'
}, {
'name': 'bytes',
'type': 'plong'
}, {
'name': 'method',
'type': 'string'
}, {
'name': 'url',
'type': 'string'
}, {
'name': 'protocol',
'type': 'string'
}, {
'name': 'app',
'type': 'string'
}, {
'name': 'subapp',
'type': 'string'
}]
else:
columns = [{'name': 'message', 'type': 'string'}]
format_ = {
"sample": [['...'] * len(columns)] * 4,
"columns": [
Field(col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(
col['type'], 'string'),
unique=col.get('unique')).to_dict()
for col in columns
]
}
elif file_format['inputFormat'] == 'connector':
if file_format['connectorSelection'] == 'sfdc':
sf = Salesforce(username=file_format['streamUsername'],
password=file_format['streamPassword'],
security_token=file_format['streamToken'])
table_metadata = [{
'name': column['name'],
'type': column['type']
} for column in sf.restful('sobjects/%(streamObject)s/describe/' %
file_format)['fields']]
query = 'SELECT %s FROM %s LIMIT 4' % (', '.join(
[col['name']
for col in table_metadata]), file_format['streamObject'])
print(query)
try:
records = sf.query_all(query)
except SalesforceRefusedRequest as e:
raise PopupException(message=str(e))
format_ = {
"sample":
[list(row.values())[1:] for row in records['records']],
"columns": [
Field(
col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(
col['type'], 'string')).to_dict()
for col in table_metadata
]
}
else:
raise PopupException(
_('Connector format not recognized: %(connectorSelection)s') %
file_format)
else:
raise PopupException(
_('Input format not recognized: %(inputFormat)s') % file_format)
return JsonResponse(format_)
response['status'] = 0
if async:
notebook = make_notebook(
name=_('Table sample for `%(database)s`.`%(table)s`.`%(column)s`') % {'database': database, 'table': table, 'column': column},
editor_type=_get_servername(db),
statement=sample_data,
status='ready-execute',
skip_historify=True,
is_task=False,
compute=cluster if cluster else None
)
response['result'] = notebook.execute(request=MockedDjangoRequest(user=db.client.user), batch=False)
if table_obj.is_impala_only:
response['result']['type'] = 'impala'
else:
sample = escape_rows(sample_data.rows(), nulls_only=True)
if column:
sample = set([row[0] for row in sample])
sample = [[item] for item in sorted(list(sample))]
response['headers'] = sample_data.cols()
response['full_headers'] = sample_data.full_cols()
response['rows'] = sample
else:
response['message'] = _('Failed to get sample data.')
return response
@error_handler
def get_indexes(request, database, table):
response['status'] = 0
if async:
notebook = make_notebook(
name=_('Table sample for `%(database)s`.`%(table)s`.`%(column)s`') % {'database': database, 'table': table, 'column': column},
editor_type=_get_servername(db),
statement=sample_data,
status='ready-execute',
skip_historify=True,
is_task=False,
compute=cluster if cluster else None
)
response['result'] = notebook.execute(request=MockedDjangoRequest(user=db.client.user), batch=False)
if table_obj.is_impala_only:
response['result']['type'] = 'impala'
else:
sample = escape_rows(sample_data.rows(), nulls_only=True)
if column:
sample = set([row[0] for row in sample])
sample = [[item] for item in sorted(list(sample))]
response['headers'] = sample_data.cols()
response['full_headers'] = sample_data.full_cols()
response['rows'] = sample
else:
response['message'] = _('Failed to get sample data.')
return response
@error_handler
def get_indexes(request, database, table):
'history_parent_uuid'] = history.dependencies.filter(
type__startswith='query-').latest(
'last_modified').uuid
except QueryError, ex: # We inject the history information from _historify() to the failed queries
if response.get('history_id'):
ex.extra['history_id'] = response['history_id']
if response.get('history_uuid'):
ex.extra['history_uuid'] = response['history_uuid']
if response.get('history_parent_uuid'):
ex.extra['history_parent_uuid'] = response['history_parent_uuid']
raise ex
# Inject and HTML escape results
if result is not None:
response['result'] = result
response['result']['data'] = escape_rows(result['data'])
response['status'] = 0
return response
@require_POST
@check_document_access_permission()
@api_error_handler
def execute(request, engine=None):
notebook = json.loads(request.POST.get('notebook', '{}'))
snippet = json.loads(request.POST.get('snippet', '{}'))
response = _execute_notebook(request, notebook, snippet)
def guess_field_types(request):
file_format = json.loads(request.POST.get('fileFormat', '{}'))
if file_format['inputFormat'] == 'file':
indexer = MorphlineIndexer(request.user, request.fs)
path = urllib.unquote(file_format["path"])
stream = request.fs.open(path)
encoding = chardet.detect(stream.read(10000)).get('encoding')
stream.seek(0)
_convert_format(file_format["format"], inverse=True)
format_ = indexer.guess_field_types({
"file": {
"stream": stream,
"name": path
},
"format": file_format['format']
})
# Note: Would also need to set charset to table (only supported in Hive)
if 'sample' in format_:
format_['sample'] = escape_rows(format_['sample'],
nulls_only=True,
encoding=encoding)
for col in format_['columns']:
col['name'] = smart_unicode(col['name'],
errors='replace',
encoding=encoding)
elif file_format['inputFormat'] == 'table':
sample = get_api(request, {
'type': 'hive'
}).get_sample_data({'type': 'hive'},
database=file_format['databaseName'],
table=file_format['tableName'])
db = dbms.get(request.user)
table_metadata = db.get_table(database=file_format['databaseName'],
table_name=file_format['tableName'])
format_ = {
"sample":
sample['rows'][:4],
"columns": [
Field(col.name,
HiveFormat.FIELD_TYPE_TRANSLATE.get(col.type,
'string')).to_dict()
for col in table_metadata.cols
]
}
elif file_format['inputFormat'] == 'query':
query_id = file_format['query']['id'] if file_format['query'].get(
'id') else file_format['query']
notebook = Notebook(document=Document2.objects.document(
user=request.user, doc_id=query_id)).get_data()
snippet = notebook['snippets'][0]
db = get_api(request, snippet)
if file_format.get('sampleCols'):
columns = file_format.get('sampleCols')
sample = file_format.get('sample')
else:
snippet['query'] = snippet['statement']
try:
sample = db.fetch_result(notebook, snippet, 4,
start_over=True)['rows'][:4]
except Exception, e:
LOG.warn(
'Skipping sample data as query handle might be expired: %s'
% e)
sample = [[], [], [], [], []]
columns = db.autocomplete(snippet=snippet, database='', table='')
columns = [
Field(
col['name'],
HiveFormat.FIELD_TYPE_TRANSLATE.get(col['type'],
'string')).to_dict()
for col in columns['extended_columns']
]
format_ = {
"sample": sample,
"columns": columns,
}
def _execute_notebook(request, notebook, snippet):
response = {'status': -1}
result = None
history = None
historify = (notebook['type'] != 'notebook'
or snippet.get('wasBatchExecuted')
) and not notebook.get('skipHistorify')
try:
try:
sessions = notebook.get('sessions') and notebook[
'sessions'] # Session reference for snippet execution without persisting it
active_executable = json.loads(request.POST.get(
'executable', '{}')) # Editor v2
# TODO: Use statement, database etc. from active_executable
if historify:
history = _historify(notebook, request.user)
notebook = Notebook(document=history).get_data()
interpreter = get_api(request, snippet)
if snippet.get('interface') == 'sqlalchemy':
interpreter.options['session'] = sessions[0]
with opentracing.tracer.start_span('interpreter') as span:
# interpreter.execute needs the sessions, but we don't want to persist them
pre_execute_sessions = notebook['sessions']
notebook['sessions'] = sessions
response['handle'] = interpreter.execute(notebook, snippet)
notebook['sessions'] = pre_execute_sessions
# Retrieve and remove the result from the handle
if response['handle'].get('sync'):
result = response['handle'].pop('result')
finally:
if historify:
_snippet = [
s for s in notebook['snippets'] if s['id'] == snippet['id']
][0]
if 'id' in active_executable: # Editor v2
# notebook_executable is the 1-to-1 match of active_executable in the notebook structure
notebook_executable = [
e for e in _snippet['executor']['executables']
if e['id'] == active_executable['id']
][0]
if 'handle' in response:
notebook_executable['handle'] = response['handle']
if history:
notebook_executable['history'] = {
'id': history.id,
'uuid': history.uuid
}
notebook_executable['operationId'] = history.uuid
if 'handle' in response: # No failure
if 'result' not in _snippet: # Editor v2
_snippet['result'] = {}
_snippet['result']['handle'] = response['handle']
_snippet['result']['statements_count'] = response[
'handle'].get('statements_count', 1)
_snippet['result']['statement_id'] = response[
'handle'].get('statement_id', 0)
_snippet['result']['handle']['statement'] = response[
'handle'].get('statement', snippet['statement']).strip(
) # For non HS2, as non multi query yet
else:
_snippet['status'] = 'failed'
if history: # If _historify failed, history will be None. If we get Atomic block exception, something underneath interpreter.execute() crashed and is not handled.
history.update_data(notebook)
history.save()
response['history_id'] = history.id
response['history_uuid'] = history.uuid
if notebook[
'isSaved']: # Keep track of history of saved queries
response[
'history_parent_uuid'] = history.dependencies.filter(
type__startswith='query-').latest(
'last_modified').uuid
except QueryError as ex: # We inject the history information from _historify() to the failed queries
if response.get('history_id'):
ex.extra['history_id'] = response['history_id']
if response.get('history_uuid'):
ex.extra['history_uuid'] = response['history_uuid']
if response.get('history_parent_uuid'):
ex.extra['history_parent_uuid'] = response['history_parent_uuid']
raise ex
# Inject and HTML escape results
if result is not None:
response['result'] = result
response['result']['data'] = escape_rows(result['data'])
response['status'] = 0
return response
def _execute_notebook(request, notebook, snippet):
response = {'status': -1}
result = None
history = None
historify = (notebook['type'] != 'notebook'
or snippet.get('wasBatchExecuted')
) and not notebook.get('skipHistorify')
try:
try:
session = notebook.get('sessions') and notebook['sessions'][
0] # Session reference for snippet execution without persisting it
if historify:
history = _historify(notebook, request.user)
notebook = Notebook(document=history).get_data()
interpreter = get_api(request, snippet)
if snippet.get('interface') == 'sqlalchemy':
interpreter.options['session'] = session
response['handle'] = interpreter.execute(notebook, snippet)
# Retrieve and remove the result from the handle
if response['handle'].get('sync'):
result = response['handle'].pop('result')
finally:
if historify:
_snippet = [
s for s in notebook['snippets'] if s['id'] == snippet['id']
][0]
if 'handle' in response: # No failure
_snippet['result']['handle'] = response['handle']
_snippet['result']['statements_count'] = response[
'handle'].get('statements_count', 1)
_snippet['result']['statement_id'] = response[
'handle'].get('statement_id', 0)
_snippet['result']['handle']['statement'] = response[
'handle'].get('statement', snippet['statement']).strip(
) # For non HS2, as non multi query yet
else:
_snippet['status'] = 'failed'
if history: # If _historify failed, history will be None. If we get Atomic block exception, something underneath interpreter.execute() crashed and is not handled.
history.update_data(notebook)
history.save()
response['history_id'] = history.id
response['history_uuid'] = history.uuid
if notebook[
'isSaved']: # Keep track of history of saved queries
response[
'history_parent_uuid'] = history.dependencies.filter(
type__startswith='query-').latest(
'last_modified').uuid
except QueryError as ex: # We inject the history information from _historify() to the failed queries
if response.get('history_id'):
ex.extra['history_id'] = response['history_id']
if response.get('history_uuid'):
ex.extra['history_uuid'] = response['history_uuid']
if response.get('history_parent_uuid'):
ex.extra['history_parent_uuid'] = response['history_parent_uuid']
raise ex
# Inject and HTML escape results
if result is not None:
response['result'] = result
response['result']['data'] = escape_rows(result['data'])
response['status'] = 0
return response
table=None,
column=None,
async=False,
operation=None):
engine = self._create_engine()
inspector = inspect(engine)
assist = Assist(inspector, engine, backticks=self.backticks)
response = {'status': -1, 'result': {}}
metadata, sample_data = assist.get_sample_data(database, table, column)
has_result_set = sample_data is not None
if sample_data:
response['status'] = 0
response['rows'] = escape_rows(sample_data)
if table:
columns = assist.get_columns(database, table)
response['full_headers'] = [{
'name': col.get('name'),
'type': str(col.get('type')),
'comment': ''
} for col in columns]
elif metadata:
response['full_headers'] = [{
'name':
col[0] if type(col) is dict or type(col) is tuple else col,
'type':
'STRING_TYPE',
'comment':