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42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# MySQL Connector/Python - MySQL driver written in Python.
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import django
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from django.db.models.sql import compiler
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from django.utils.six.moves import zip_longest
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class SQLCompiler(compiler.SQLCompiler):
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def resolve_columns(self, row, fields=()):
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values = []
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index_extra_select = len(self.query.extra_select)
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bool_fields = ("BooleanField", "NullBooleanField")
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for value, field in zip_longest(row[index_extra_select:], fields):
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if (field and field.get_internal_type() in bool_fields and
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value in (0, 1)):
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value = bool(value)
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values.append(value)
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return row[:index_extra_select] + tuple(values)
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def as_subquery_condition(self, alias, columns, compiler):
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qn = compiler.quote_name_unless_alias
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qn2 = self.connection.ops.quote_name
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sql, params = self.as_sql()
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return '(%s) IN (%s)' % (', '.join('%s.%s' % (qn(alias), qn2(column)) for column in columns), sql), params
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class SQLInsertCompiler(compiler.SQLInsertCompiler, SQLCompiler):
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pass
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class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler):
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pass
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class SQLUpdateCompiler(compiler.SQLUpdateCompiler, SQLCompiler):
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pass
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class SQLAggregateCompiler(compiler.SQLAggregateCompiler, SQLCompiler):
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pass
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