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#ifndef TARANTOOL_BOX_XROW_UPDATE_H_INCLUDED
#define TARANTOOL_BOX_XROW_UPDATE_H_INCLUDED
/*
* Copyright 2010-2016, Tarantool AUTHORS, please see AUTHORS file.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stddef.h>
#include <stdbool.h>
#include "trivia/util.h"
#if defined(__cplusplus)
extern "C" {
#endif /* defined(__cplusplus) */
enum {
/** A limit on how many operations a single UPDATE can have. */
BOX_UPDATE_OP_CNT_MAX = 4000,
};
struct tuple_format;
int
xrow_update_check_ops(const char *expr, const char *expr_end,
struct tuple_format *format, int index_base);
const char *
xrow_update_execute(const char *expr,const char *expr_end,
const char *old_data, const char *old_data_end,
struct tuple_format *format, uint32_t *p_new_size,
int index_base, uint64_t *column_mask);
const char *
xrow_upsert_execute(const char *expr, const char *expr_end,
const char *old_data, const char *old_data_end,
struct tuple_format *format, uint32_t *p_new_size,
int index_base, bool suppress_error,
uint64_t *column_mask);
/**
* Try to merge two update/upsert expressions to an equivalent one.
* Resulting expression is allocated on given allocator.
* Due to optimization reasons resulting expression
* is located inside a bigger allocation. There also some hidden
* internal allocations are made in this function.
* Thus the only allocator that can be used in this function
* is region allocator.
* If it isn't possible to merge expressions NULL is returned.
*/
const char *
xrow_upsert_squash(const char *expr1, const char *expr1_end,
const char *expr2, const char *expr2_end,
struct tuple_format *format, size_t *result_size,
int index_base);
#if defined(__cplusplus)
} /* extern "C" */
#endif /* defined(__cplusplus) */
#endif /* TARANTOOL_BOX_XROW_UPDATE_H_INCLUDED */
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