mirror of
https://github.com/MariaDB/server.git
synced 2025-07-27 18:02:13 +03:00
MYSQL_TIME handling - client
Remove get_binary_length Enable the clients to work wih date,time and ts directly with binary protocol
This commit is contained in:
@ -115,7 +115,6 @@ static sig_handler pipe_sig_handler(int sig);
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static ulong mysql_sub_escape_string(CHARSET_INFO *charset_info, char *to,
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const char *from, ulong length);
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static my_bool stmt_close(MYSQL_STMT *stmt, my_bool skip_list);
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static unsigned int get_binary_length(uint type);
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static my_bool org_my_init_done=0;
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@ -4056,6 +4055,71 @@ static void store_param_double(NET *net, MYSQL_BIND *param)
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net->write_pos+= 8;
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}
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static void store_param_time(NET *net, MYSQL_BIND *param)
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{
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MYSQL_TIME *tm= (MYSQL_TIME *) param->buffer;
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char buff[15], *pos;
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uint length;
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pos= buff+1;
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pos[0]= tm->neg ? 1: 0;
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int4store(pos+1, tm->day);
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pos[5]= (uchar) tm->hour;
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pos[6]= (uchar) tm->minute;
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pos[7]= (uchar) tm->second;
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int4store(pos+8, tm->second_part);
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if (tm->second_part)
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length= 11;
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else if (tm->hour || tm->minute || tm->second || tm->day)
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length= 8;
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else
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length= 0;
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buff[0]= (char) length++;
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memcpy((char *)net->write_pos, buff, length);
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net->write_pos+= length;
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}
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static void net_store_datetime(NET *net, MYSQL_TIME *tm)
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{
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char buff[12], *pos;
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uint length;
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pos= buff+1;
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int2store(pos, tm->year);
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pos[2]= (uchar) tm->month;
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pos[3]= (uchar) tm->day;
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pos[4]= (uchar) tm->hour;
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pos[5]= (uchar) tm->minute;
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pos[6]= (uchar) tm->second;
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int4store(pos+7, tm->second_part);
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if (tm->second_part)
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length= 11;
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else if (tm->hour || tm->minute || tm->second)
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length= 7;
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else if (tm->year || tm->month || tm->day)
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length= 4;
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else
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length= 0;
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buff[0]= (char) length++;
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memcpy((char *)net->write_pos, buff, length);
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net->write_pos+= length;
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}
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static void store_param_date(NET *net, MYSQL_BIND *param)
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{
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MYSQL_TIME *tm= (MYSQL_TIME *) param->buffer;
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tm->hour= tm->minute= tm->second= 0;
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tm->second_part= 0;
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net_store_datetime(net, tm);
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}
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static void store_param_datetime(NET *net, MYSQL_BIND *param)
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{
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MYSQL_TIME *tm= (MYSQL_TIME *) param->buffer;
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net_store_datetime(net, tm);
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}
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static void store_param_str(NET *net, MYSQL_BIND *param)
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{
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ulong length= min(*param->length, param->buffer_length);
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@ -4110,7 +4174,10 @@ static my_bool store_param(MYSQL_STMT *stmt, MYSQL_BIND *param)
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Either to the length pointer given by the user or param->buffer_length
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*/
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if ((my_realloc_str(net, 9 + *param->length)))
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{
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set_stmt_error(stmt, CR_OUT_OF_MEMORY);
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DBUG_RETURN(1);
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}
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(*param->store_param_func)(net, param);
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}
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DBUG_RETURN(0);
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@ -4326,6 +4393,17 @@ my_bool STDCALL mysql_bind_param(MYSQL_STMT *stmt, MYSQL_BIND * bind)
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param->buffer_length= 8;
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param->store_param_func= store_param_double;
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break;
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case MYSQL_TYPE_TIME:
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/* Buffer length ignored for DATE, TIME and DATETIME */
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param->store_param_func= store_param_time;
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break;
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case MYSQL_TYPE_DATE:
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param->store_param_func= store_param_date;
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break;
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case MYSQL_TYPE_DATETIME:
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case MYSQL_TYPE_TIMESTAMP:
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param->store_param_func= store_param_datetime;
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break;
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case MYSQL_TYPE_TINY_BLOB:
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case MYSQL_TYPE_MEDIUM_BLOB:
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case MYSQL_TYPE_LONG_BLOB:
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@ -4441,24 +4519,91 @@ mysql_send_long_data(MYSQL_STMT *stmt, uint param_number,
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1 Error (Can't alloc net->buffer)
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****************************************************************************/
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/* Return the default binary data length for the common types */
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static unsigned int get_binary_length(uint type)
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static void set_zero_time(MYSQL_TIME *tm)
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{
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switch(type) {
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case MYSQL_TYPE_TINY:
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return 1;
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case MYSQL_TYPE_SHORT:
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case MYSQL_TYPE_YEAR:
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return 2;
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case MYSQL_TYPE_LONG:
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case MYSQL_TYPE_FLOAT:
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return 4;
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case MYSQL_TYPE_LONGLONG:
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case MYSQL_TYPE_DOUBLE:
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return 8;
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default:
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tm->year= tm->month= tm->day= 0;
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tm->hour= tm->minute= tm->second= 0;
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tm->second_part= 0;
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tm->neg= (bool)0;
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}
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/* Read TIME from binary packet and return it to MYSQL_TIME */
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static uint read_binary_time(MYSQL_TIME *tm, uchar **pos)
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{
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uchar *to;
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uint length;
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if (!(length= net_field_length(pos)))
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{
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set_zero_time(tm);
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return 0;
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}
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to= *pos;
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tm->second_part= (length > 8 ) ? (ulong) sint4korr(to+7): 0;
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tm->day= (ulong) sint4korr(to+1);
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tm->hour= (uint) to[5];
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tm->minute= (uint) to[6];
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tm->second= (uint) to[7];
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tm->year= tm->month= 0;
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tm->neg= (bool)to[0];
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return length;
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}
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/* Read DATETIME from binary packet and return it to MYSQL_TIME */
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static uint read_binary_datetime(MYSQL_TIME *tm, uchar **pos)
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{
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uchar *to;
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uint length;
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if (!(length= net_field_length(pos)))
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{
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set_zero_time(tm);
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return 0;
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}
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to= *pos;
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tm->second_part= (length > 7 ) ? (ulong) sint4korr(to+7): 0;
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if (length > 4)
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{
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tm->hour= (uint) to[4];
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tm->minute= (uint) to[5];
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tm->second= (uint) to[6];
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}
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else
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tm->hour= tm->minute= tm->second= 0;
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tm->year= (uint) sint2korr(to);
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tm->month= (uint) to[2];
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tm->day= (uint) to[3];
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tm->neg= 0;
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return length;
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}
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/* Read DATE from binary packet and return it to MYSQL_TIME */
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static uint read_binary_date(MYSQL_TIME *tm, uchar **pos)
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{
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uchar *to;
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uint length;
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if (!(length= net_field_length(pos)))
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{
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set_zero_time(tm);
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return 0;
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}
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to= *pos;
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tm->year = (uint) sint2korr(to);
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tm->month= (uint) to[2];
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tm->day= (uint) to[3];
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tm->hour= tm->minute= tm->second= 0;
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tm->second_part= 0;
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tm->neg= 0;
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return length;
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}
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/* Convert Numeric to buffer types */
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@ -4595,20 +4740,72 @@ static void send_data_str(MYSQL_BIND *param, char *value, uint length)
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}
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}
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static void send_data_time(MYSQL_BIND *param, MYSQL_TIME ltime,
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uint length)
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{
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switch (param->buffer_type) {
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case MYSQL_TYPE_DATE:
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case MYSQL_TYPE_TIME:
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case MYSQL_TYPE_DATETIME:
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case MYSQL_TYPE_TIMESTAMP:
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{
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MYSQL_TIME *tm= (MYSQL_TIME *)param->buffer;
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tm->year= ltime.year;
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tm->month= ltime.month;
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tm->day= ltime.day;
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tm->hour= ltime.hour;
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tm->minute= ltime.minute;
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tm->second= ltime.second;
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tm->second_part= ltime.second_part;
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tm->neg= ltime.neg;
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break;
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}
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default:
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{
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char buff[25];
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if (!length)
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ltime.time_type= MYSQL_TIMESTAMP_NONE;
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switch (ltime.time_type) {
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case MYSQL_TIMESTAMP_DATE:
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length= my_sprintf(buff,(buff, "%04d-%02d-%02d", ltime.year,
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ltime.month,ltime.day));
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break;
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case MYSQL_TIMESTAMP_FULL:
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length= my_sprintf(buff,(buff, "%04d-%02d-%02d %02d:%02d:%02d",
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ltime.year,ltime.month,ltime.day,
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ltime.hour,ltime.minute,ltime.second));
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break;
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case MYSQL_TIMESTAMP_TIME:
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length= my_sprintf(buff, (buff, "%02d:%02d:%02d",
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ltime.hour,ltime.minute,ltime.second));
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break;
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default:
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length= 0;
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buff[0]='\0';
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}
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send_data_str(param, (char *)buff, length);
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}
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}
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}
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/* Fetch data to buffers */
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static my_bool fetch_results(MYSQL_STMT *stmt, MYSQL_BIND *param,
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uint field_type, uchar **row)
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static void fetch_results(MYSQL_BIND *param, uint field_type, uchar **row)
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{
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ulong length;
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length= (ulong)get_binary_length(field_type);
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switch (field_type) {
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case MYSQL_TYPE_TINY:
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{
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uchar value= (uchar) **row;
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send_data_long(param,(longlong)value);
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length= 1;
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break;
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}
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case MYSQL_TYPE_SHORT:
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@ -4616,18 +4813,21 @@ static my_bool fetch_results(MYSQL_STMT *stmt, MYSQL_BIND *param,
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{
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short value= (short)sint2korr(*row);
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send_data_long(param,(longlong)value);
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length= 2;
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break;
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}
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case MYSQL_TYPE_LONG:
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{
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int32 value= (int32)sint4korr(*row);
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send_data_long(param,(int32)value);
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length= 4;
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break;
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}
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case MYSQL_TYPE_LONGLONG:
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{
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longlong value= (longlong)sint8korr(*row);
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send_data_long(param,value);
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length= 8;
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break;
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}
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case MYSQL_TYPE_FLOAT:
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@ -4635,6 +4835,7 @@ static my_bool fetch_results(MYSQL_STMT *stmt, MYSQL_BIND *param,
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float value;
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float4get(value,*row);
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send_data_double(param,(double)value);
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length= 4;
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break;
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}
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case MYSQL_TYPE_DOUBLE:
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@ -4642,115 +4843,35 @@ static my_bool fetch_results(MYSQL_STMT *stmt, MYSQL_BIND *param,
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double value;
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float8get(value,*row);
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send_data_double(param,(double)value);
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length= 8;
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break;
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}
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case MYSQL_TYPE_DATE:
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case MYSQL_TYPE_DATETIME:
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case MYSQL_TYPE_TIMESTAMP:
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{
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uchar month,day;
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short year;
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int arg_length;
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char ts[50],frac[10],time[20],date[20];
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if (!(length= net_field_length(row)))
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{
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*param->length= 0;
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break;
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}
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if (param->buffer_type < MYSQL_TYPE_VAR_STRING ||
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param->buffer_type > MYSQL_TYPE_STRING)
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{
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/*
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Don't allow fetching of date/time/ts to non-string types
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TODO: Allow fetching of date or time to long types.
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*/
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sprintf(stmt->last_error,
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ER(stmt->last_errno= CR_UNSUPPORTED_PARAM_TYPE),
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param->buffer_type, param->param_number);
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return 1;
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}
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arg_length= 0;
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if (length > 7)
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{
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int sec_part= sint4korr(*row+7);
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sprintf(frac,".%04d", sec_part);
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arg_length+= 5;
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}
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if (length == 7)
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{
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uchar hour, minute, sec;
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hour= *(*row+4);
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minute= *(*row+5);
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sec= *(*row+6);
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sprintf((char *)time," %02d:%02d:%02d",hour,minute,sec);
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arg_length+= 9;
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}
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year= sint2korr(*row);
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month= *(*row+2);
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day= *(*row+3);
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sprintf((char*) date,"%04d-%02d-%02d",year,month,day);
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arg_length+= 10;
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if (arg_length != 19)
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time[0]='\0';
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if (arg_length != 24)
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frac[0]='\0';
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strxmov(ts,date,time,frac,NullS);
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send_data_str(param,ts,arg_length);
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MYSQL_TIME tm;
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length= read_binary_date(&tm,row);
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tm.time_type= MYSQL_TIMESTAMP_DATE;
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send_data_time(param, tm, length);
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break;
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}
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case MYSQL_TYPE_TIME:
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{
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int day, arg_length;
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uchar hour, minute, sec;
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char ts[255], frac[20], time[20];
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const char *sign= "";
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if (!(length= net_field_length(row)))
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{
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*param->length= 0;
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break;
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}
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if (param->buffer_type < MYSQL_TYPE_VAR_STRING ||
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param->buffer_type > MYSQL_TYPE_STRING)
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{
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/*
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Don't allow fetching of date/time/ts to non-string types
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TODO: Allow fetching of time to long types without
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any conversion.
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*/
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sprintf(stmt->last_error,
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ER(stmt->last_errno= CR_UNSUPPORTED_PARAM_TYPE),
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param->buffer_type, param->param_number);
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return 1;
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}
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arg_length= 0;
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if (length > 8)
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{
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int sec_part= sint4korr(*row+8);
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sprintf(frac,".%04d", sec_part);
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arg_length+= 5;
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}
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if (**row)
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sign="-";
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day= sint4korr(*row); /* TODO: how to handle this case */
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hour= *(*row+5);
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minute= *(*row+6);
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sec= *(*row+7);
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arg_length+= sprintf((char *)time,"%s%02d:%02d:%02d",sign,hour,minute,sec);
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if (arg_length <= 9)
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frac[0]='\0';
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strxmov(ts,time,frac,NullS);
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send_data_str(param,ts,arg_length);
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MYSQL_TIME tm;
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length= read_binary_time(&tm, row);
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tm.time_type= MYSQL_TIMESTAMP_TIME;
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send_data_time(param, tm, length);
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break;
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}
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case MYSQL_TYPE_DATETIME:
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case MYSQL_TYPE_TIMESTAMP:
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{
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MYSQL_TIME tm;
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length= read_binary_datetime(&tm, row);
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tm.time_type= MYSQL_TIMESTAMP_FULL;
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send_data_time(param, tm, length);
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break;
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}
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default:
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@ -4759,7 +4880,6 @@ static my_bool fetch_results(MYSQL_STMT *stmt, MYSQL_BIND *param,
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break;
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}
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*row+= length;
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return 0;
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}
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static void fetch_result_tinyint(MYSQL_BIND *param, uchar **row)
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@ -4805,6 +4925,24 @@ static void fetch_result_double(MYSQL_BIND *param, uchar **row)
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*row+= 8;
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}
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static void fetch_result_time(MYSQL_BIND *param, uchar **row)
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{
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MYSQL_TIME *tm= (MYSQL_TIME *)param->buffer;
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*row+= read_binary_time(tm, row);
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}
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static void fetch_result_date(MYSQL_BIND *param, uchar **row)
|
||||
{
|
||||
MYSQL_TIME *tm= (MYSQL_TIME *)param->buffer;
|
||||
*row+= read_binary_date(tm, row);
|
||||
}
|
||||
|
||||
static void fetch_result_datetime(MYSQL_BIND *param, uchar **row)
|
||||
{
|
||||
MYSQL_TIME *tm= (MYSQL_TIME *)param->buffer;
|
||||
*row+= read_binary_datetime(tm, row);
|
||||
}
|
||||
|
||||
static void fetch_result_str(MYSQL_BIND *param, uchar **row)
|
||||
{
|
||||
ulong length= net_field_length(row);
|
||||
@ -4853,25 +4991,47 @@ my_bool STDCALL mysql_bind_result(MYSQL_STMT *stmt, MYSQL_BIND *bind)
|
||||
if (!param->is_null)
|
||||
param->is_null= &int_is_null_dummy;
|
||||
|
||||
if (!param->length)
|
||||
param->length= ¶m->buffer_length;
|
||||
|
||||
/* Setup data copy functions for the different supported types */
|
||||
switch (param->buffer_type) {
|
||||
case MYSQL_TYPE_TINY:
|
||||
param->fetch_result= fetch_result_tinyint;
|
||||
*param->length= 1;
|
||||
break;
|
||||
case MYSQL_TYPE_SHORT:
|
||||
param->fetch_result= fetch_result_short;
|
||||
*param->length= 2;
|
||||
break;
|
||||
case MYSQL_TYPE_LONG:
|
||||
param->fetch_result= fetch_result_int32;
|
||||
*param->length= 4;
|
||||
break;
|
||||
case MYSQL_TYPE_LONGLONG:
|
||||
param->fetch_result= fetch_result_int64;
|
||||
*param->length= 8;
|
||||
break;
|
||||
case MYSQL_TYPE_FLOAT:
|
||||
param->fetch_result= fetch_result_float;
|
||||
*param->length= 4;
|
||||
break;
|
||||
case MYSQL_TYPE_DOUBLE:
|
||||
param->fetch_result= fetch_result_double;
|
||||
*param->length= 8;
|
||||
break;
|
||||
case MYSQL_TYPE_TIME:
|
||||
param->fetch_result= fetch_result_time;
|
||||
*param->length= sizeof(MYSQL_TIME);
|
||||
break;
|
||||
case MYSQL_TYPE_DATE:
|
||||
param->fetch_result= fetch_result_date;
|
||||
*param->length= sizeof(MYSQL_TIME);
|
||||
break;
|
||||
case MYSQL_TYPE_DATETIME:
|
||||
case MYSQL_TYPE_TIMESTAMP:
|
||||
param->fetch_result= fetch_result_datetime;
|
||||
*param->length= sizeof(MYSQL_TIME);
|
||||
break;
|
||||
case MYSQL_TYPE_TINY_BLOB:
|
||||
case MYSQL_TYPE_MEDIUM_BLOB:
|
||||
@ -4888,9 +5048,6 @@ my_bool STDCALL mysql_bind_result(MYSQL_STMT *stmt, MYSQL_BIND *bind)
|
||||
param->buffer_type, param->param_number);
|
||||
DBUG_RETURN(1);
|
||||
}
|
||||
if (!param->length)
|
||||
param->length= ¶m->buffer_length;
|
||||
*param->length= (long)get_binary_length(param->buffer_type);
|
||||
}
|
||||
stmt->res_buffers= 1;
|
||||
DBUG_RETURN(0);
|
||||
@ -4927,8 +5084,8 @@ static int stmt_fetch_row(MYSQL_STMT *stmt, uchar *row)
|
||||
*bind->is_null= 0;
|
||||
if (field->type == bind->buffer_type)
|
||||
(*bind->fetch_result)(bind, &row);
|
||||
else if (fetch_results(stmt, bind, field->type, &row))
|
||||
return 1;
|
||||
else
|
||||
fetch_results(bind, field->type, &row);
|
||||
}
|
||||
if (! ((bit<<=1) & 255))
|
||||
{
|
||||
|
Reference in New Issue
Block a user