28 lines
860 B
C
28 lines
860 B
C
/*-------------------------------------------------------------------------
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*
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* bloomfilter.h
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* Space-efficient set membership testing
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*
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* Copyright (c) 2018-2024, PostgreSQL Global Development Group
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*
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* IDENTIFICATION
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* src/include/lib/bloomfilter.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef BLOOMFILTER_H
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#define BLOOMFILTER_H
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typedef struct bloom_filter bloom_filter;
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extern bloom_filter *bloom_create(int64 total_elems, int bloom_work_mem,
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uint64 seed);
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extern void bloom_free(bloom_filter *filter);
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extern void bloom_add_element(bloom_filter *filter, unsigned char *elem,
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size_t len);
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extern bool bloom_lacks_element(bloom_filter *filter, unsigned char *elem,
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size_t len);
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extern double bloom_prop_bits_set(bloom_filter *filter);
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#endif /* BLOOMFILTER_H */
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