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Fix autogenerated metrics #15

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Merged
merged 3 commits into from
May 14, 2018
Merged

Fix autogenerated metrics #15

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4ce3ab9
Merge pull request #1 from mxmzdlv/master
kuriancheeramelil May 2, 2018
c390445
Added overwritten visit_column function to BigQueryCompiler to fix is…
May 2, 2018
b456f12
Alternate approach as previous fix broke join queries
May 13, 2018
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7 changes: 7 additions & 0 deletions pybigquery/sqlalchemy_bigquery.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
from sqlalchemy.sql.compiler import SQLCompiler, IdentifierPreparer
from sqlalchemy.engine.default import DefaultDialect, DefaultExecutionContext
from sqlalchemy.engine.base import Engine
from sqlalchemy.sql.schema import Column


class UniversalSet(object):
Expand Down Expand Up @@ -67,6 +68,12 @@ def create_cursor(self):


class BigQueryCompiler(SQLCompiler):
def __init__(self, dialect, statement, column_keys=None,
inline=False, **kwargs):
if isinstance(statement, Column):
kwargs['compile_kwargs'] = util.immutabledict({'include_table': False})
super(BigQueryCompiler, self).__init__(dialect, statement, column_keys, inline, **kwargs)

def visit_label(self, *args, **kwargs):
# Use labels in GROUP BY clause
if len(kwargs) == 0 or len(kwargs) == 1:
Expand Down