mirror of https://github.com/apache/superset.git
[sqllab] bugfix where a query has the same alias twice as output (#1734)
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0a40d8ce8f
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@ -11,7 +11,7 @@ from sqlalchemy.pool import NullPool
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from sqlalchemy.orm import sessionmaker
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from superset import (
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app, db, models, utils, dataframe, results_backend, sql_parse, sm)
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app, db, models, utils, dataframe, results_backend, sql_parse)
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from superset.db_engine_specs import LimitMethod
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from superset.jinja_context import get_template_processor
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QueryStatus = models.QueryStatus
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@ -19,6 +19,27 @@ QueryStatus = models.QueryStatus
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celery_app = celery.Celery(config_source=app.config.get('CELERY_CONFIG'))
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def dedup(l, suffix='__'):
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"""De-duplicates a list of string by suffixing a counter
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Always returns the same number of entries as provided, and always returns
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unique values.
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>>> dedup(['foo', 'bar', 'bar', 'bar'])
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['foo', 'bar', 'bar__1', 'bar__2']
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"""
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new_l = []
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seen = {}
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for s in l:
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if s in seen:
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seen[s] += 1
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s += suffix + str(seen[s])
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else:
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seen[s] = 0
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new_l.append(s)
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return new_l
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def create_table_as(sql, table_name, schema=None, override=False):
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"""Reformats the query into the create table as query.
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@ -117,6 +138,7 @@ def get_sql_results(self, query_id, return_results=True, store_results=False):
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cdf = None
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if result_proxy.cursor:
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column_names = [col[0] for col in result_proxy.cursor.description]
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column_names = dedup(column_names)
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if db_engine_spec.limit_method == LimitMethod.FETCH_MANY:
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data = result_proxy.fetchmany(query.limit)
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else:
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@ -197,7 +197,7 @@ class SupersetTestCase(unittest.TestCase):
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perm.view_menu and table.perm in perm.view_menu.name):
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appbuilder.sm.del_permission_role(public_role, perm)
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def run_sql(self, sql, client_id, user_name=None):
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def run_sql(self, sql, client_id, user_name=None, raise_on_error=False):
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if user_name:
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self.logout()
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self.login(username=(user_name if user_name else 'admin'))
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@ -208,6 +208,8 @@ class SupersetTestCase(unittest.TestCase):
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data=dict(database_id=dbid, sql=sql, select_as_create_as=False,
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client_id=client_id),
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)
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if raise_on_error and 'error' in resp:
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raise Exception("run_sql failed")
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return resp
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def test_gamma_permissions(self):
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@ -13,7 +13,7 @@ import unittest
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from flask import escape
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from superset import db, models, utils, appbuilder, sm, jinja_context
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from superset import db, models, utils, appbuilder, sm, jinja_context, sql_lab
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from superset.views import DatabaseView
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from .base_tests import SupersetTestCase
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@ -165,7 +165,7 @@ class CoreTests(SupersetTestCase):
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assert escape(title) in self.client.get(url).data.decode('utf-8')
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def test_doctests(self):
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modules = [utils, models]
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modules = [utils, models, sql_lab]
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for mod in modules:
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failed, tests = doctest.testmod(mod)
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if failed:
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@ -190,6 +190,13 @@ class SqlLabTests(SupersetTestCase):
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self.assertLess(int(first_query_time), v['startDttm'])
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self.assertLess(v['startDttm'], int(second_query_time))
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def test_alias_duplicate(self):
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self.run_sql(
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"SELECT username as col, id as col, username FROM ab_user",
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client_id='2e2df3',
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user_name='admin',
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raise_on_error=True)
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if __name__ == '__main__':
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unittest.main()
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