48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2022 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file exchangedb/pg_begin_shard.h
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* @brief implementation of the begin_shard function for Postgres
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* @author Christian Grothoff
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*/
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#ifndef PG_BEGIN_SHARD_H
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#define PG_BEGIN_SHARD_H
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#include "taler_util.h"
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#include "taler_json_lib.h"
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#include "taler_exchangedb_plugin.h"
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/**
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* Function called to grab a work shard on an operation @a op. Runs in its
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* own transaction.
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*
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* @param cls the @e cls of this struct with the plugin-specific state
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* @param job_name name of the operation to grab a word shard for
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* @param delay minimum age of a shard to grab
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* @param shard_size desired shard size
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* @param[out] start_row inclusive start row of the shard (returned)
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* @param[out] end_row exclusive end row of the shard (returned)
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* @return transaction status code
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*/
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enum GNUNET_DB_QueryStatus
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TEH_PG_begin_shard (void *cls,
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const char *job_name,
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struct GNUNET_TIME_Relative delay,
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uint64_t shard_size,
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uint64_t *start_row,
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uint64_t *end_row);
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#endif
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