98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2020-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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/**
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* @file mysql_binlog.h - Extracting information from binary logs
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*/
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#include <maxscale/cdefs.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <time.h>
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MXS_BEGIN_DECLS
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/** Maximum GTID string length */
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#define GTID_MAX_LEN 64
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/** Table map column types */
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#define TABLE_COL_TYPE_DECIMAL 0x00
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#define TABLE_COL_TYPE_TINY 0x01
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#define TABLE_COL_TYPE_SHORT 0x02
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#define TABLE_COL_TYPE_LONG 0x03
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#define TABLE_COL_TYPE_FLOAT 0x04
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#define TABLE_COL_TYPE_DOUBLE 0x05
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#define TABLE_COL_TYPE_NULL 0x06
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#define TABLE_COL_TYPE_TIMESTAMP 0x07
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#define TABLE_COL_TYPE_LONGLONG 0x08
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#define TABLE_COL_TYPE_INT24 0x09
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#define TABLE_COL_TYPE_DATE 0x0a
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#define TABLE_COL_TYPE_TIME 0x0b
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#define TABLE_COL_TYPE_DATETIME 0x0c
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#define TABLE_COL_TYPE_YEAR 0x0d
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#define TABLE_COL_TYPE_NEWDATE 0x0e
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#define TABLE_COL_TYPE_VARCHAR 0x0f
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#define TABLE_COL_TYPE_BIT 0x10
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#define TABLE_COL_TYPE_TIMESTAMP2 0x11
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#define TABLE_COL_TYPE_DATETIME2 0x12
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#define TABLE_COL_TYPE_TIME2 0x13
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#define TABLE_COL_TYPE_NEWDECIMAL 0xf6
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#define TABLE_COL_TYPE_ENUM 0xf7
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#define TABLE_COL_TYPE_SET 0xf8
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#define TABLE_COL_TYPE_TINY_BLOB 0xf9
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#define TABLE_COL_TYPE_MEDIUM_BLOB 0xfa
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#define TABLE_COL_TYPE_LONG_BLOB 0xfb
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#define TABLE_COL_TYPE_BLOB 0xfc
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#define TABLE_COL_TYPE_VAR_STRING 0xfd
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#define TABLE_COL_TYPE_STRING 0xfe
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#define TABLE_COL_TYPE_GEOMETRY 0xff
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/**
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* RBR row event flags
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*/
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#define ROW_EVENT_END_STATEMENT 0x0001
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#define ROW_EVENT_NO_FKCHECK 0x0002
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#define ROW_EVENT_NO_UKCHECK 0x0004
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#define ROW_EVENT_HAS_COLUMNS 0x0008
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/** The table ID used for end of statement row events */
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#define TABLE_DUMMY_ID 0x00ffffff
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const char* column_type_to_string(uint8_t type);
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/** Column type checking functions */
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bool column_is_variable_string(uint8_t type);
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bool column_is_fixed_string(uint8_t type);
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bool column_is_blob(uint8_t type);
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bool column_is_temporal(uint8_t type);
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bool column_is_bit(uint8_t type);
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bool column_is_decimal(uint8_t type);
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/** Various types are stored as fixed string types and the real type is stored
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* in the table metadata */
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bool fixed_string_is_enum(uint8_t type);
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/** Value unpacking */
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size_t unpack_temporal_value(uint8_t type, uint8_t *ptr, uint8_t* metadata, int length, struct tm *tm);
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size_t unpack_enum(uint8_t *ptr, uint8_t *metadata, uint8_t *dest);
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size_t unpack_numeric_field(uint8_t *ptr, uint8_t type, uint8_t* metadata, uint8_t* val);
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size_t unpack_bit(uint8_t *ptr, uint8_t *null_mask, uint32_t col_count,
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uint32_t curr_col_index, uint8_t *metadata, uint64_t *dest);
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size_t unpack_decimal_field(uint8_t *ptr, uint8_t *metadata, double *val_float);
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void format_temporal_value(char *str, size_t size, uint8_t type, struct tm *tm);
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MXS_END_DECLS
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