def __init__(self, document, inverted_index):
"""Constructor.
Args:
document: The ScoredDocument to evaluate the expression for.
inverted_index: The search index (used for snippeting).
"""
self._doc = document
self._doc_pb = document.document
self._inverted_index = inverted_index
self._tokenizer = simple_tokenizer.SimpleTokenizer(preserve_case=False)
self._case_preserving_tokenizer = simple_tokenizer.SimpleTokenizer(
preserve_case=True)
self._function_table = {
ExpressionParser.ABS: self._Unsupported('abs'),
ExpressionParser.COUNT: self._Count,
ExpressionParser.DISTANCE: self._Unsupported('distance'),
ExpressionParser.GEOPOINT: self._Unsupported('geopoint'),
ExpressionParser.LEN: self._Unsupported('len'),
ExpressionParser.LOG: self._Unsupported('log'),
ExpressionParser.MAX: self._Max,
ExpressionParser.MIN: self._Min,
ExpressionParser.POW: self._Unsupported('pow'),
ExpressionParser.SNIPPET: self._Snippet,
ExpressionParser.SWITCH: self._Unsupported('switch'),
}
def __init__(self, document, inverted_index, is_sort_expression=False):
"""Constructor.
Args:
document: The ScoredDocument to evaluate the expression for.
inverted_index: The search index (used for snippeting).
is_sort_expression: The flag indicates if this is a sort expression. Some
operations (such as COUNT) are not supported in sort expressions.
"""
self._doc = document
self._doc_pb = document.document
self._inverted_index = inverted_index
self._tokenizer = simple_tokenizer.SimpleTokenizer(preserve_case=False)
self._case_preserving_tokenizer = simple_tokenizer.SimpleTokenizer(
preserve_case=True)
self._function_table = {
ExpressionParser.ABS: self._Unsupported('abs'),
ExpressionParser.COUNT: self._Count,
ExpressionParser.DISTANCE: self._Distance,
ExpressionParser.GEOPOINT: self._Geopoint,
ExpressionParser.LOG: self._Unsupported('log'),
ExpressionParser.MAX: self._Max,
ExpressionParser.MIN: self._Min,
ExpressionParser.POW: self._Unsupported('pow'),
ExpressionParser.SNIPPET: self._Snippet,
ExpressionParser.SWITCH: self._Unsupported('switch'),
}
self._is_sort_expression = is_sort_expression
def __init__(self, document, inverted_index):
"""Constructor.
Args:
document: The ScoredDocument to evaluate the expression for.
inverted_index: The search index (used for snippeting).
"""
self._doc = document
self._doc_pb = document.document
self._inverted_index = inverted_index
self._tokenizer = simple_tokenizer.SimpleTokenizer(preserve_case=False)
self._case_preserving_tokenizer = simple_tokenizer.SimpleTokenizer(
preserve_case=True)
self._function_table = {
'max': self._Max,
'min': self._Min,
'count': self._Count,
'snippet': self._Snippet,
'distance': self._Unsupported('distance'),
}
def __init__(self, index_spec):
self._index_spec = index_spec
self._documents = {}
self._parser = simple_tokenizer.SimpleTokenizer(split_restricts=False)
self._inverted_index = RamInvertedIndex(
simple_tokenizer.SimpleTokenizer())
def __init__(self, query, inverted_index): self._query = query self._inverted_index = inverted_index self._parser = simple_tokenizer.SimpleTokenizer()
