[thirdparty/git.git] / reftable / merged.h

/*
Copyright 2020 Google LLC

Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/

#ifndef MERGED_H
#define MERGED_H

#include "pq.h"

struct reftable_merged_table {
	struct reftable_table *stack;
	size_t stack_len;
	uint32_t hash_id;

	/* If unset, produce deletions. This is useful for compaction. For the
	 * full stack, deletions should be produced. */
	int suppress_deletions;

	uint64_t min;
	uint64_t max;
};

struct merged_iter {
	struct reftable_iterator *stack;
	uint32_t hash_id;
	size_t stack_len;
	uint8_t typ;
	int suppress_deletions;
	struct merged_iter_pqueue pq;
	struct strbuf key;
	struct strbuf entry_key;
};

void merged_table_release(struct reftable_merged_table *mt);

#endif
Commit	Line	Data
1ae2b8cd HWN	1	/*
	2	Copyright 2020 Google LLC
	3
	4	Use of this source code is governed by a BSD-style
	5	license that can be found in the LICENSE file or at
	6	https://developers.google.com/open-source/licenses/bsd
	7	*/
	8
	9	#ifndef MERGED_H
	10	#define MERGED_H
	11
	12	#include "pq.h"
	13
	14	struct reftable_merged_table {
	15	struct reftable_table *stack;
	16	size_t stack_len;
	17	uint32_t hash_id;
	18
	19	/* If unset, produce deletions. This is useful for compaction. For the
	20	* full stack, deletions should be produced. */
	21	int suppress_deletions;
	22
	23	uint64_t min;
	24	uint64_t max;
	25	};
	26
	27	struct merged_iter {
	28	struct reftable_iterator *stack;
	29	uint32_t hash_id;
	30	size_t stack_len;
	31	uint8_t typ;
	32	int suppress_deletions;
	33	struct merged_iter_pqueue pq;
829231dc PS	34	struct strbuf key;
829231dc PS	35	struct strbuf entry_key;
1ae2b8cd HWN	36	};
	37
	38	void merged_table_release(struct reftable_merged_table *mt);
	39
	40	#endif