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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
commit6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch)
tree657d8194422a5daccecfd42d654b8a245ef7b4c8 /src/include/lib/bloomfilter.h
parentInitial commit. (diff)
downloadpostgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz
postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/lib/bloomfilter.h')
-rw-r--r--src/include/lib/bloomfilter.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/include/lib/bloomfilter.h b/src/include/lib/bloomfilter.h
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+/*-------------------------------------------------------------------------
+ *
+ * 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 */