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75 lines
2.7 KiB
C
75 lines
2.7 KiB
C
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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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/* Purpose of this file is to provide the world with everything necessary
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* to use the nested transaction logic and nothing else. No internal
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* requirements of the nested transaction logic belongs here.
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*/
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#pragma once
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#include "leafentry.h"
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#include "txn/txn_manager.h"
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#include <util/mempool.h>
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// opaque handles used by outside world (i.e. indexer)
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typedef struct ule *ULEHANDLE;
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typedef struct uxr *UXRHANDLE;
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// create a ULE by copying the contents of the given leafentry
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ULEHANDLE toku_ule_create(LEAFENTRY le);
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void toku_ule_free(ULEHANDLE ule_p);
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uint64_t ule_num_uxrs(ULEHANDLE ule);
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uint32_t ule_get_num_committed(ULEHANDLE ule);
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uint32_t ule_get_num_provisional(ULEHANDLE ule);
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UXRHANDLE ule_get_uxr(ULEHANDLE ule, uint64_t ith);
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int ule_is_committed(ULEHANDLE ule, uint64_t ith);
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int ule_is_provisional(ULEHANDLE ule, uint64_t ith);
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bool uxr_is_insert(UXRHANDLE uxr);
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bool uxr_is_delete(UXRHANDLE uxr);
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bool uxr_is_placeholder(UXRHANDLE uxr);
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void *uxr_get_val(UXRHANDLE uxr);
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uint32_t uxr_get_vallen(UXRHANDLE uxr);
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TXNID uxr_get_txnid(UXRHANDLE uxr);
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//1 does much slower debugging
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#define GARBAGE_COLLECTION_DEBUG 0
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