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Diffstat (limited to 'src/include/lib/bloomfilter.h')
| -rw-r--r-- | src/include/lib/bloomfilter.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/include/lib/bloomfilter.h b/src/include/lib/bloomfilter.h new file mode 100644 index 0000000..52343ba --- /dev/null +++ b/src/include/lib/bloomfilter.h @@ -0,0 +1,27 @@ +/*------------------------------------------------------------------------- + * + * bloomfilter.h + * Space-efficient set membership testing + * + * Copyright (c) 2018-2020, PostgreSQL Global Development Group + * + * IDENTIFICATION + * src/include/lib/bloomfilter.h + * + *------------------------------------------------------------------------- + */ +#ifndef BLOOMFILTER_H +#define BLOOMFILTER_H + +typedef struct bloom_filter bloom_filter; + +extern bloom_filter *bloom_create(int64 total_elems, int bloom_work_mem, + uint64 seed); +extern void bloom_free(bloom_filter *filter); +extern void bloom_add_element(bloom_filter *filter, unsigned char *elem, + size_t len); +extern bool bloom_lacks_element(bloom_filter *filter, unsigned char *elem, + size_t len); +extern double bloom_prop_bits_set(bloom_filter *filter); + +#endif /* BLOOMFILTER_H */ |