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MCOL-392 Add DATETIME microscond support

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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
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3
dbcon/ddlpackage/ddl.y
View File

@ -1114,10 +1114,11 @@ literal:
;
datetime_type:
DATETIME
DATETIME opt_time_precision
{
$$ = new ColumnType(DDL_DATETIME);
$$->fLength = DDLDatatypeLength[DDL_DATETIME];
$$->fPrecision = $2;
}
|
DATE

12
dbcon/mysql/ha_calpont_dml.cpp
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@ -838,11 +838,21 @@ int ha_calpont_impl_write_batch_row_(uchar* buf, TABLE* table, cal_impl_if::cal_
// mariadb 10.1 compatibility -- MYSQL_TYPE_DATETIME2 introduced in mysql 5.6
MYSQL_TIME ltime;
const uchar* pos = buf;
longlong tmp = my_datetime_packed_from_binary(pos, 0);
longlong tmp = my_datetime_packed_from_binary(pos, table->field[colpos]->decimals());
TIME_from_longlong_datetime_packed(&ltime, tmp);
if (!ltime.second_part)
{
fprintf(ci.filePtr, "%04d-%02d-%02d %02d:%02d:%02d%c",
ltime.year, ltime.month, ltime.day,
ltime.hour, ltime.minute, ltime.second, ci.delimiter);
}
else
{
fprintf(ci.filePtr, "%04d-%02d-%02d %02d:%02d:%02d.%ld%c",
ltime.year, ltime.month, ltime.day,
ltime.hour, ltime.minute, ltime.second,
ltime.second_part, ci.delimiter);
}
buf += table->field[colpos]->pack_length();
}
else

4
dbcon/mysql/ha_calpont_impl.cpp
View File

@ -486,8 +486,8 @@ int fetchNextRow(uchar* buf, cal_table_info& ti, cal_connection_info* ci)
* based on the result set.
*/
/* MCOL-683: UTF-8 datetime no msecs is 57, this sometimes happens! */
if (((*f)->field_length > 19) && ((*f)->field_length != 57))
(*f)->field_length = strlen(tmp);
// if (((*f)->field_length > 19) && ((*f)->field_length != 57))
// (*f)->field_length = strlen(tmp);
Field_varstring* f2 = (Field_varstring*)*f;
f2->store(tmp, strlen(tmp), f2->charset());

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;
}

17
utils/dataconvert/dataconvert.h
View File

@ -361,7 +361,7 @@ public:
* @param type the columns database type
* @param data the columns string representation of it's data
*/
EXPORT static std::string datetimeToString( long long datetimevalue );
EXPORT static std::string datetimeToString( long long datetimevalue, long decimals = 0 );
static inline void datetimeToString( long long datetimevalue, char* buf, unsigned int buflen );
/**
@ -459,6 +459,20 @@ inline void DataConvert::dateToString( int datevalue, char* buf, unsigned int bu
inline void DataConvert::datetimeToString( long long datetimevalue, char* buf, unsigned int buflen )
{
if ((datetimevalue & 0xfffff) > 0)
{
snprintf( buf, buflen, "%04d-%02d-%02d %02d:%02d:%02d.%d",
(unsigned)((datetimevalue >> 48) & 0xffff),
(unsigned)((datetimevalue >> 44) & 0xf),
(unsigned)((datetimevalue >> 38) & 0x3f),
(unsigned)((datetimevalue >> 32) & 0x3f),
(unsigned)((datetimevalue >> 26) & 0x3f),
(unsigned)((datetimevalue >> 20) & 0x3f),
(unsigned)((datetimevalue) & 0xfffff)
);
}
else
{
snprintf( buf, buflen, "%04d-%02d-%02d %02d:%02d:%02d",
(unsigned)((datetimevalue >> 48) & 0xffff),
(unsigned)((datetimevalue >> 44) & 0xf),
@ -467,6 +481,7 @@ inline void DataConvert::datetimeToString( long long datetimevalue, char* buf, u
(unsigned)((datetimevalue >> 26) & 0x3f),
(unsigned)((datetimevalue >> 20) & 0x3f)
);
}
}
inline void DataConvert::dateToString1( int datevalue, char* buf, unsigned int buflen)

4
writeengine/server/we_dmlcommandproc.cpp
View File

@ -2977,7 +2977,7 @@ uint8_t WE_DMLCommandProc::processUpdate(messageqcpp::ByteStream& bs,
case CalpontSystemCatalog::DATETIME:
{
intColVal = row.getUintField<8>(fetchColPos);
value = DataConvert::datetimeToString(intColVal);
value = DataConvert::datetimeToString(intColVal, colType.precision);
break;
}
@ -3305,7 +3305,7 @@ uint8_t WE_DMLCommandProc::processUpdate(messageqcpp::ByteStream& bs,
case CalpontSystemCatalog::DATETIME:
{
intColVal = row.getUintField<8>(fetchColPos);
value = DataConvert::datetimeToString(intColVal);
value = DataConvert::datetimeToString(intColVal, colType.precision);
break;
}