support nulls_last in sqlite
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1 changed files with 14 additions and 1 deletions
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@ -25,7 +25,20 @@ class SQLCompiler(SQLCompiler):
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def get_ordering(self):
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def get_ordering(self):
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result, group_by = super(SQLCompiler, self).get_ordering()
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result, group_by = super(SQLCompiler, self).get_ordering()
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if self.query.nulls_last and len(result):
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if self.query.nulls_last and len(result):
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if self.connection.vendor == 'sqlite':
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_result = []
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for r in result:
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if r.endswith(' DESC'):
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_r = r[:-len(' DESC')]
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elif r.endswith(' ASC'):
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_r = r[:-len(' ASC')]
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_result.append(_r + ' IS NULL')
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_result.append(r)
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result = _result
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else:
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result = map(lambda e: e + ' NULLS LAST', result)
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result = map(lambda e: e + ' NULLS LAST', result)
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print result
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return result, group_by
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return result, group_by
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class Query(Query):
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class Query(Query):
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