// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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  DORIS_BE_SRC_QUERY_MYSQL_MYSQL_GLOBAL_H
#define  DORIS_BE_SRC_QUERY_MYSQL_MYSQL_GLOBAL_H

#include <stdint.h>
#include <float.h>

namespace doris {

typedef unsigned char uchar;

#define int1store(T, A) *((uint8_t*)(T)) = (uint8_t)(A)
#define int2store(T, A) *((uint16_t*)(T)) = (uint16_t)(A)
#define int3store(T, A) do { *(T) =  (uchar)((A));\
    *(T + 1) = (uchar)(((uint32_t)(A) >> 8));\
    *(T + 2) = (uchar)(((A) >> 16)); } while (0)
#define int8store(T, A) *((int64_t *)(T)) = (uint64_t)(A)

#define MY_ALIGN(A, L) (((A) + (L) - 1) & ~((L) - 1))
#define SIZEOF_CHARP 8

#define MAX_TINYINT_WIDTH       3			/* Max width for a TINY w.o. sign */
#define MAX_SMALLINT_WIDTH      5       	/* Max width for a SHORT w.o. sign */
#define MAX_MEDIUMINT_WIDTH     8       	/* Max width for a INT24 w.o. sign */
#define MAX_INT_WIDTH           10      	/* Max width for a LONG w.o. sign */
#define MAX_BIGINT_WIDTH        20      	/* Max width for a LONGLONG */
#define MAX_CHAR_WIDTH          255			/* Max length for a CHAR colum */
#define MAX_BLOB_WIDTH          16777216	/* Default width for blob */
			
#define MAX_DECPT_FOR_F_FORMAT	DBL_DIG
#define MAX_DATETIME_WIDTH		19          /* YYYY-MM-DD HH:MM:SS */
		
/* -[digits].E+## */
#define MAX_FLOAT_STR_LENGTH	(FLT_DIG + 6)
/* -[digits].E+### */
#define MAX_DOUBLE_STR_LENGTH	(DBL_DIG + 7)

/* -[digits].[frac] */
#define MAX_DECIMAL_STR_LENGTH   29

#endif  //_DORIS_BE_SRC_QUERY_MYSQL_MYSQL_GLOBAL_H_
}
