database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-30 19:23:07 +03:00
Code Activity

MCOL-392 Add DATETIME microscond support

Browse Source 
Add initial microsecond support for DATETIME
This commit is contained in:
Andrew Hutchings
2018-04-19 18:51:18 +01:00
parent b58122589b
commit b584a7f555
6 changed files with 60 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
utils/dataconvert/dataconvert.cpp
View File

@ -1717,14 +1717,28 @@ std::string DataConvert::dateToString( int datevalue )
return buf;
}
std::string DataConvert::datetimeToString( long long datetimevalue )
std::string DataConvert::datetimeToString( long long datetimevalue, long decimals )
{
// 10 is default which means we don't need microseconds
if (decimals > 6 || decimals < 0)
{
decimals = 0;
}
// @bug 4703 abandon multiple ostringstream's for conversion
DateTime dt(datetimevalue);
const int DATETIMETOSTRING_LEN = 21; // YYYY-MM-DD HH:MM:SS\0
const int DATETIMETOSTRING_LEN = 28; // YYYY-MM-DD HH:MM:SS.mmmmmm\0
char buf[DATETIMETOSTRING_LEN];
sprintf(buf, "%04d-%02d-%02d %02d:%02d:%02d", dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second);
if (dt.msecond && decimals)
{
snprintf(buf + strlen(buf), 21 + decimals, ".%d", dt.msecond);
// Pad end with zeros
if (strlen(buf) < (21 + decimals))
{
sprintf(buf + strlen(buf), "%0*d", 21 + decimals - strlen(buf), 0);
}
}
return buf;
}