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avoid LookupAny with address and too many name tokens
The index for nameaddress_vector has grown so large that PostgreSQL will resort to a sequential scan if there are too many items in the LookupAny list.
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@ -176,11 +176,12 @@ class SearchBuilder:
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sdata.lookups.append(dbf.FieldLookup('nameaddress_vector',
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list(partials), lookups.LookupAll))
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else:
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addr_fulls = [t.token for t
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in self.query.get_tokens(address[0], TokenType.WORD)]
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if len(addr_fulls) > 5:
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return
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sdata.lookups.append(
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dbf.FieldLookup('nameaddress_vector',
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[t.token for t
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in self.query.get_tokens(address[0], TokenType.WORD)],
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lookups.LookupAny))
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dbf.FieldLookup('nameaddress_vector', addr_fulls, lookups.LookupAny))
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sdata.housenumbers = dbf.WeightedStrings([], [])
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yield dbs.PlaceSearch(0.05, sdata, expected_count)
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