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MYSQL_TIME handling(Direct DATE,TIME and TS th' structure) - server

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venu@myvenu.com
2003-01-23 22:32:39 -08:00
parent d62ef3a0d9
commit 04f16d9f6f
4 changed files with 126 additions and 2 deletions
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93
sql/sql_prepare.cc
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@ -256,11 +256,87 @@ static void setup_param_double(Item_param *param, uchar **pos)
*pos+= 8;
}
static void setup_param_time(Item_param *param, uchar **pos)
{
ulong length;
if ((length= get_param_length(pos)))
{
uchar *to= *pos;
TIME tm;
tm.second_part= (length > 8 ) ? (ulong) sint4korr(to+7): 0;
tm.day= (ulong) sint4korr(to+1);
tm.hour= (uint) to[5];
tm.minute= (uint) to[6];
tm.second= (uint) to[7];
tm.year= tm.month= 0;
tm.neg= (bool)to[0];
param->set_time(&tm, TIMESTAMP_TIME);
}
*pos+= length;
}
static void setup_param_datetime(Item_param *param, uchar **pos)
{
uint length= get_param_length(pos);
if (length)
{
uchar *to= *pos;
TIME tm;
tm.second_part= (length > 7 ) ? (ulong) sint4korr(to+7): 0;
if (length > 4)
{
tm.hour= (uint) to[4];
tm.minute= (uint) to[5];
tm.second= (uint) to[6];
}
else
tm.hour= tm.minute= tm.second= 0;
tm.year= (uint) sint2korr(to);
tm.month= (uint) to[2];
tm.day= (uint) to[3];
tm.neg= 0;
param->set_time(&tm, TIMESTAMP_FULL);
}
*pos+= length;
}
static void setup_param_date(Item_param *param, uchar **pos)
{
ulong length;
if ((length= get_param_length(pos)))
{
uchar *to= *pos;
TIME tm;
tm.year = (uint) sint2korr(to);
tm.month= (uint) to[2];
tm.day= (uint) to[3];
tm.hour= tm.minute= tm.second= 0;
tm.second_part= 0;
tm.neg= 0;
param->set_time(&tm, TIMESTAMP_DATE);
}
*pos+= length;
}
static void setup_param_str(Item_param *param, uchar **pos)
{
ulong len=get_param_length(pos);
ulong len= get_param_length(pos);
param->set_value((const char *)*pos, len);
*pos+=len;
*pos+= len;
}
static void setup_param_functions(Item_param *param, uchar param_type)
@ -290,6 +366,19 @@ static void setup_param_functions(Item_param *param, uchar param_type)
param->setup_param_func= setup_param_double;
param->item_result_type = REAL_RESULT;
break;
case FIELD_TYPE_TIME:
param->setup_param_func= setup_param_time;
param->item_result_type = STRING_RESULT;
break;
case FIELD_TYPE_DATE:
param->setup_param_func= setup_param_date;
param->item_result_type = STRING_RESULT;
break;
case FIELD_TYPE_DATETIME:
case FIELD_TYPE_TIMESTAMP:
param->setup_param_func= setup_param_datetime;
param->item_result_type = STRING_RESULT;
break;
default:
param->setup_param_func= setup_param_str;
param->item_result_type = STRING_RESULT;