28 lines
591 B
Python
28 lines
591 B
Python
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"""
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Constants specific to the SQL storage portion of the ORM.
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"""
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import re
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# Size of each "chunk" for get_iterator calls.
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# Larger values are slightly faster at the expense of more storage space.
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GET_ITERATOR_CHUNK_SIZE = 100
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# Namedtuples for sql.* internal use.
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# How many results to expect from a cursor.execute call
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MULTI = 'multi'
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SINGLE = 'single'
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CURSOR = 'cursor'
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NO_RESULTS = 'no results'
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ORDER_PATTERN = re.compile(r'\?|[-+]?[.\w]+$')
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ORDER_DIR = {
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'ASC': ('ASC', 'DESC'),
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'DESC': ('DESC', 'ASC'),
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}
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# SQL join types.
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INNER = 'INNER JOIN'
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LOUTER = 'LEFT OUTER JOIN'
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