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Package sqltriples :: Module Query :: Class Query |
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AbstractQuery
--+
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Query
Results
An abstract class providing support for lazy query evaluation.
Method Summary | |
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__init__(self,
store,
functions)
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__getitem__(self,
i)
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__len__(self)
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__repr__(self)
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Return a query clause, associated values, and an updated table index (as a 3-tuple) for this object's query defined using the given table 'index' and the supplied, optional 'constraints' text. | |
Make a subquery for this object using the given 'parent_columns' (indicating the columns which connect with this object's exposed columns), a 'parent_index' (indicating the table index used in the parent query, within which the returned query clause shall be employed), and the current table 'index'. |
Class Variable Summary | |
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Inherited from AbstractQuery | |
list |
table_columns = [('subject', 'subject_type', 0), ('predi...
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Method Details |
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get_query(self, index, constraints=None)Return a query clause, associated values, and an updated table index (as a 3-tuple) for this object's query defined using the given table 'index' and the supplied, optional 'constraints' text. |
get_subquery(self, parent_columns, parent_index, index, match_first=0, match_parent=0, match_child=0)Make a subquery for this object using the given 'parent_columns' (indicating the columns which connect with this object's exposed columns), a 'parent_index' (indicating the table index used in the parent query, within which the returned query clause shall be employed), and the current table 'index'. Return a query clause, associated values, and an updated table index (as a 3-tuple). |
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