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/* Copyright (c) 2009, 2010, 2011 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OVSDB_MUTATION_H
#define OVSDB_MUTATION_H 1
#include <stddef.h>
#include "compiler.h"
#include "ovsdb-data.h"
struct json;
struct ovsdb_table_schema;
struct ovsdb_row;
/* These list is ordered in ascending order of the fraction of tables row that
* they are (heuristically) expected to leave in query results. */
#define OVSDB_MUTATORS \
OVSDB_MUTATOR(OVSDB_M_ADD, "+=") \
OVSDB_MUTATOR(OVSDB_M_SUB, "-=") \
OVSDB_MUTATOR(OVSDB_M_MUL, "*=") \
OVSDB_MUTATOR(OVSDB_M_DIV, "/=") \
OVSDB_MUTATOR(OVSDB_M_MOD, "%=") \
OVSDB_MUTATOR(OVSDB_M_INSERT, "insert") \
OVSDB_MUTATOR(OVSDB_M_DELETE, "delete")
enum ovsdb_mutator {
#define OVSDB_MUTATOR(ENUM, NAME) ENUM,
OVSDB_MUTATORS
#undef OVSDB_MUTATOR
};
struct ovsdb_error *ovsdb_mutator_from_string(const char *,
enum ovsdb_mutator *)
WARN_UNUSED_RESULT;
const char *ovsdb_mutator_to_string(enum ovsdb_mutator);
struct ovsdb_mutation {
enum ovsdb_mutator mutator;
const struct ovsdb_column *column;
struct ovsdb_datum arg;
struct ovsdb_type type;
};
struct ovsdb_mutation_set {
struct ovsdb_mutation *mutations;
size_t n_mutations;
};
#define OVSDB_MUTATION_SET_INITIALIZER { NULL, 0 }
struct ovsdb_error *ovsdb_mutation_set_from_json(
const struct ovsdb_table_schema *,
const struct json *, struct ovsdb_symbol_table *,
struct ovsdb_mutation_set *) WARN_UNUSED_RESULT;
struct json *ovsdb_mutation_set_to_json(const struct ovsdb_mutation_set *);
void ovsdb_mutation_set_destroy(struct ovsdb_mutation_set *);
struct ovsdb_error *ovsdb_mutation_set_execute(
struct ovsdb_row *, const struct ovsdb_mutation_set *) WARN_UNUSED_RESULT;
#endif /* ovsdb/mutation.h */
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