def test_views(self):
"""test views """
metadata = load_from_file("complex_db.yaml")
person_name = find_table_name(metadata, 'Person')
(view, _) = make_view_without_table(metadata,
person_name, 'FullName')
# process_dataset = find_table(view, 'ProcessedDatasetView')
# data_tier = find_table(view, 'DataTierView')
# process_dataset = find_table(view, 'PrimaryDatasetView')
# files = find_table(view, 'FilesView')
# This shows what happens to the foreign keys
# when you make a select statement.
for table_name in view.tables:
table = view.tables[table_name]
for f_key in table.foreign_keys:
vals = {}
vals['table'] = table_name
vals['column'] = f_key.parent.name
if f_key.parent.table.__dict__.has_key('name'):
vals['from'] = f_key.parent.table.name
else:
vals['from'] = "none"
if f_key.column.table.__dict__.has_key('name'):
vals['to'] = f_key.column.table
else:
vals['to'] = "none"
_LOGGER.debug(
"test_views %(table)s.%(column)s %(from)s->%(to)s"
% vals)
def test_view_build(self):
"""test view build """
_LOGGER.debug("test_view_build start")
metadata = load_from_file("complex_db.yaml")
person_name = find_table_name(metadata, 'Person')
(view, foreign_keys) = make_view_without_table(metadata,
person_name, 'FullName')
# for table_name in view.tables:
# print table_name, list(view.tables[table_name].c)
# files = find_table(view, 'FilesView')
process_dataset = find_table(view, 'ProcessedDatasetView')
data_tier = find_table(view, 'DataTierView')
process_dataset = find_table(view, 'PrimaryDatasetView')
query_builder = Schema(view.tables, foreign_keys)
select_test = select([process_dataset.c.Name, data_tier.c.Name,
process_dataset.c.Description],
process_dataset.c.ID==0)
query = query_builder.build_query(select_test)
_LOGGER.debug("test_view_build query: " + str(query))
_LOGGER.debug("test_view_build finish")
def test_live_view(self):
""" test live views"""
_LOGGER.debug("test_live_view start")
metadata = self.metadata
person_name = find_table_name(metadata, 'Person')
(view, foreignkeys) = make_view_without_table(metadata,
person_name, 'DistinguishedName')
# for table_name in view.tables:
# print table_name, list(view.tables[table_name].c)
process_dataset = find_table(view, 'ProcessedDatasetView')
app_exec = find_table(view, 'AppExecutableView')
select_test = select([process_dataset.c.Name,
app_exec.c.ExecutableName])
query_builder = Schema(view.tables, foreignkeys)
query = query_builder.build_query(select_test)
# print "test_live_view query:", query
results = query.execute()
rows = results.fetchall()
_LOGGER.debug("test_live_view query: " + str(query))
_LOGGER.debug("test_live_view result: %s" % (rows,))
# print "test_live_view result: %s" % (rows,)
_LOGGER.debug("test_live_view finish")
