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-1786 Reduce the performance degradation caused by iequals.

Browse Source
This commit is contained in:
Roman Nozdrin
2018-11-20 20:47:11 +03:00
parent ca55a80a5f
commit 6563f48e32
2 changed files with 59 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
writeengine/bulk/we_bulkloadbuffer.cpp
View File

@ -31,8 +31,6 @@
#include <ctype.h>
#include <cfloat>
#include <boost/algorithm/string/predicate.hpp>
#include "we_bulkload.h"
#include "we_bulkloadbuffer.h"
#include "we_brm.h"
@ -370,18 +368,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
fVal = 1;
}
else
{
#ifdef _MSC_VER
fVal = (float)strtod( field, 0 );
#else
fVal = strtof( field, 0 );
#endif
}
if (errno == ERANGE)
{
@ -414,6 +405,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
fVal = minFltSat;
bufStats.satCount++;
}
if ( fVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
fVal = 1;
}
}
}
@ -474,14 +470,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
dVal = 1;
}
else
{
dVal = strtod(field, 0);
}
if (errno == ERANGE)
{
@ -514,6 +503,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
dVal = column.fMinDblSat;
bufStats.satCount++;
}
else if (dVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength))
{
dVal = 1;
}
}
}
@ -629,12 +623,6 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
}
else
{
if (iequals(field, "true"))
{
strcpy(field, "1");
fieldLength = 1;
}
if ( (column.dataType == CalpontSystemCatalog::DECIMAL ) ||
(column.dataType == CalpontSystemCatalog::UDECIMAL) )
{
@ -664,6 +652,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
origVal = static_cast<int64_t>(column.fMaxIntSat);
bSatVal = true;
}
else if ( origVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
origVal = 1;
}
if (bSatVal)
bufStats.satCount++;
@ -722,14 +715,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
origVal = 1;
}
else
{
origVal = strtoll(field, 0, 10);
}
if (errno == ERANGE)
bSatVal = true;
@ -747,6 +733,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
origVal = static_cast<int64_t>(column.fMaxIntSat);
bSatVal = true;
}
else if ( origVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
origVal = 1;
}
if (bSatVal)
bufStats.satCount++;
@ -805,7 +796,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
}
else
{
if (iequals(field, "true"))
if (isTrueWord(const_cast<const char*>(field), fieldLength))
{
strcpy(field, "1");
fieldLength = 1;
@ -898,14 +889,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
origVal = 1;
}
else
{
origVal = strtoll(field, 0, 10);
}
if (errno == ERANGE)
bSatVal = true;
@ -923,6 +907,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
origVal = static_cast<int64_t>(column.fMaxIntSat);
bSatVal = true;
}
else if ( origVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
origVal = 1;
}
if (bSatVal)
bufStats.satCount++;
@ -981,7 +970,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
}
else
{
if (iequals(field, "true"))
if (isTrueWord(const_cast<const char*>(field), fieldLength))
{
strcpy(field, "1");
fieldLength = 1;
@ -1018,6 +1007,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
bSatVal = true;
}
if (bSatVal)
bufStats.satCount++;
@ -1199,14 +1189,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
ullVal = 1;
}
else
{
ullVal = strtoull(field, 0, 10);
}
if (errno == ERANGE)
bSatVal = true;
@ -1220,6 +1203,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
ullVal = column.fMaxIntSat;
bSatVal = true;
}
else if ( ullVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
ullVal = 1;
}
if (bSatVal)
bufStats.satCount++;
@ -1276,14 +1264,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
{
errno = 0;
if (iequals(field, "true"))
{
origVal = 1;
}
else
{
origVal = strtoll(field, 0, 10);
}
if (errno == ERANGE)
bSatVal = true;
@ -1301,6 +1282,11 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
origVal = static_cast<int64_t>(column.fMaxIntSat);
bSatVal = true;
}
else if ( origVal == 0
&& isTrueWord(const_cast<const char*>(field), fieldLength) )
{
origVal = 1;
}
if (bSatVal)
bufStats.satCount++;
@ -1361,7 +1347,7 @@ void BulkLoadBuffer::convert(char* field, int fieldLength,
}
else
{
if (iequals(field, "true"))
if (isTrueWord(const_cast<const char*>(field), fieldLength))
{
strcpy(field, "1");
fieldLength = 1;

9
writeengine/bulk/we_bulkloadbuffer.h
View File

@ -383,5 +383,14 @@ public:
}
};
inline bool isTrueWord(const char *field, int fieldLength)
{
//return false;
return fieldLength == 4 && ( field[0] == 'T' || field[0] == 't' )
&& ( field[1] == 'R' || field[1] == 'r' )
&& ( field[2] == 'U' || field[2] == 'u' )
&& ( field[3] == 'E' || field[3] == 'e' );
}
}
#endif