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mariadb-columnstore-engine/utils/dataconvert/dataconvert.cpp

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/* Copyright (C) 2014 InfiniDB, Inc.
Copyright (C) 2019 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/****************************************************************************
* $Id: dataconvert.cpp 3901 2013-06-17 20:59:13Z rdempsey $
*
*
****************************************************************************/
#include <string>
#include <cmath>
#include <errno.h>
#include <ctime>
#include <stdlib.h>
#include <string.h>
#include <type_traits>
#include "mcs_decimal.h"
using namespace std;
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/algorithm/string.hpp>
using namespace boost::algorithm;
#include <boost/tokenizer.hpp>
#include "calpontselectexecutionplan.h"
#include "columnresult.h"
#include "basic/string_utils.h"
#include "joblisttypes.h"
#define DATACONVERT_DLLEXPORT
#include "dataconvert.h"
#undef DATACONVERT_DLLEXPORT
using namespace logging;
namespace
{
template <class T>
bool from_string(T& t, const std::string& s, std::ios_base& (*f)(std::ios_base&))
{
std::istringstream iss(s);
return !(iss >> f >> t).fail();
}
bool number_value(const string& data)
{
for (unsigned int i = 0; i < strlen(data.c_str()); i++)
{
if (data[i] > '9' || data[i] < '0')
{
if (data[i] != '+' && data[i] != '-' && data[i] != '.' && data[i] != ' ' && data[i] != 'E' &&
data[i] != 'e')
{
throw QueryDataExcept("value is not numerical.", formatErr);
}
}
}
return true;
}
} // namespace
namespace dataconvert
{
// LE stands for Little Endian
uint32_t getUInt32LE(const char* ptr)
{
return reinterpret_cast<const uint32_t*>(ptr)[0];
}
int32_t getSInt32LE(const char* ptr)
{
return reinterpret_cast<const int32_t*>(ptr)[0];
}
uint64_t getUInt64LE(const char* ptr)
{
return reinterpret_cast<const uint64_t*>(ptr)[0];
}
int64_t getSInt64LE(const char* ptr)
{
return reinterpret_cast<const int64_t*>(ptr)[0];
}
template <typename T>
void number_int_value(const string& data, cscDataType typeCode,
const datatypes::SystemCatalog::TypeAttributesStd& ct, bool& pushwarning,
bool noRoundup, T& intVal, bool* saturate)
{
// copy of the original input
string valStr(data);
// in case, the values are in parentheses
string::size_type x = valStr.find('(');
string::size_type y = valStr.find(')');
while (x < string::npos)
{
// erase y first
if (y == string::npos)
throw QueryDataExcept("'(' is not matched.", formatErr);
valStr.erase(y, 1);
valStr.erase(x, 1);
x = valStr.find('(');
y = valStr.find(')');
}
if (y != string::npos)
throw QueryDataExcept("')' is not matched.", formatErr);
if (datatypes::ASCIIStringCaseInsensetiveEquals(valStr, "true"))
{
intVal = 1;
return;
}
if (datatypes::ASCIIStringCaseInsensetiveEquals(valStr, "false"))
{
intVal = 0;
return;
}
// convert to fixed-point notation if input is in scientific notation
if (valStr.find('E') < string::npos || valStr.find('e') < string::npos)
{
size_t epos = valStr.find('E');
if (epos == string::npos)
epos = valStr.find('e');
// get the coefficient
string coef = valStr.substr(0, epos);
// get the exponent
string exp = valStr.substr(epos + 1);
bool overflow = false;
T exponent = dataconvert::string_to_ll<T>(exp, overflow);
// if the exponent can not be held in 64 or 128 bits, not supported or saturated.
if (overflow)
throw QueryDataExcept("value is invalid.", formatErr);
// find the optional "." point
size_t dpos = coef.find('.');
if (dpos != string::npos)
{
// move "." to the end by mutiply 10 ** (# of fraction digits)
coef.erase(dpos, 1);
exponent -= coef.length() - dpos;
}
if (exponent >= 0)
{
coef.resize(coef.length() + exponent, '0');
}
else
{
size_t bpos = coef.find_first_of("0123456789");
size_t epos = coef.length();
size_t mpos = -exponent;
dpos = epos - mpos;
int64_t padding = (int64_t)mpos - (int64_t)(epos - bpos);
if (padding > 0)
{
coef.insert(bpos, padding, '0');
dpos = bpos;
}
coef.insert(dpos, ".");
}
valStr = coef;
}
// apply the scale
if (ct.scale != 0)
{
uint64_t scale = (uint64_t)(ct.scale < 0) ? (-ct.scale) : (ct.scale);
size_t dpos = valStr.find('.');
string intPart = valStr.substr(0, dpos);
string leftStr;
if (ct.scale > 0)
{
if (dpos != string::npos)
{
// decimal point exist, prepare "#scale" digits in fraction part
++dpos;
string frnStr = valStr.substr(dpos, scale);
if (frnStr.length() < scale)
frnStr.resize(scale, '0'); // padding digit 0, not null.
// effectly shift "#scale" digits to left.
intPart += frnStr;
leftStr = valStr.substr(dpos);
leftStr.erase(0, scale);
}
else
{
// no decimal point, shift "#scale" digits to left.
intPart.resize(intPart.length() + scale, '0'); // padding digit 0, not null.
}
}
else // if (ct.scale < 0) -- in ct.scale != 0 block
{
if (dpos != string::npos)
{
// decimal point exist, get the fraction part
++dpos;
leftStr = valStr.substr(dpos);
}
}
valStr = intPart;
if (leftStr.length() > 0)
valStr += "." + leftStr;
}
// now, convert to long long int
string intStr(valStr);
string frnStr = "";
size_t dp = valStr.find('.');
int roundup = 0;
if (dp != string::npos)
{
// Check if need round up
int frac1 = dataconvert::string_to_ll<int64_t>(valStr.substr(dp + 1, 1), pushwarning);
if ((!noRoundup) && frac1 >= 5)
roundup = 1;
intStr.erase(dp);
frnStr = valStr.substr(dp + 1);
if (intStr.length() == 0)
intStr = "0";
else if ((intStr.length() == 1) && ((intStr[0] == '+') || (intStr[0] == '-')))
{
intStr.insert(1, 1, '0');
}
}
intVal = dataconvert::string_to_ll<T>(intStr, pushwarning);
//@Bug 3350 negative value round up.
intVal += intVal >= 0 ? roundup : -roundup;
bool dummy = false;
T frnVal = (frnStr.length() > 0) ? dataconvert::string_to_ll<T>(frnStr, dummy) : 0;
if (frnVal != 0)
pushwarning = true;
switch (typeCode)
{
case datatypes::SystemCatalog::TINYINT:
if (intVal < MIN_TINYINT)
{
intVal = MIN_TINYINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_TINYINT)
{
intVal = MAX_TINYINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
break;
case datatypes::SystemCatalog::SMALLINT:
if (intVal < MIN_SMALLINT)
{
intVal = MIN_SMALLINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_SMALLINT)
{
intVal = MAX_SMALLINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
break;
case datatypes::SystemCatalog::MEDINT:
if (intVal < MIN_MEDINT)
{
intVal = MIN_MEDINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_MEDINT)
{
intVal = MAX_MEDINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
break;
case datatypes::SystemCatalog::INT:
if (intVal < MIN_INT)
{
intVal = MIN_INT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_INT)
{
intVal = MAX_INT;
pushwarning = true;
if (saturate)
*saturate = true;
}
break;
case datatypes::SystemCatalog::BIGINT:
if (intVal < MIN_BIGINT)
{
intVal = MIN_BIGINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
break;
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
if (LIKELY(ct.colWidth == 16))
{
int128_t tmp;
utils::int128Min(tmp);
if (intVal < tmp + 2) // + 2 for NULL and EMPTY values
{
intVal = tmp + 2;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
else if (ct.colWidth == 8)
{
if (intVal < MIN_BIGINT)
{
intVal = MIN_BIGINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
else if (ct.colWidth == 4)
{
if (intVal < MIN_INT)
{
intVal = MIN_INT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_INT)
{
intVal = MAX_INT;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
else if (ct.colWidth == 2)
{
if (intVal < MIN_SMALLINT)
{
intVal = MIN_SMALLINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_SMALLINT)
{
intVal = MAX_SMALLINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
else if (ct.colWidth == 1)
{
if (intVal < MIN_TINYINT)
{
intVal = MIN_TINYINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal > MAX_TINYINT)
{
intVal = MAX_TINYINT;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
break;
default: break;
}
// @ bug 3285 make sure the value is in precision range for decimal data type
if ((typeCode == datatypes::SystemCatalog::DECIMAL) || (typeCode == datatypes::SystemCatalog::UDECIMAL) ||
(ct.scale > 0))
{
auto precision =
ct.precision == rowgroup::MagicPrecisionForCountAgg ? datatypes::INT128MAXPRECISION : ct.precision;
if (precision > datatypes::INT128MAXPRECISION || precision < 0)
{
throw QueryDataExcept("Unsupported precision " + std::to_string(precision) + " converting DECIMAL ",
dataTypeErr);
}
T rangeUp = dataconvert::decimalRangeUp<T>(precision);
T rangeLow = -rangeUp;
if (intVal > rangeUp)
{
intVal = rangeUp;
pushwarning = true;
if (saturate)
*saturate = true;
}
else if (intVal < rangeLow)
{
intVal = rangeLow;
pushwarning = true;
if (saturate)
*saturate = true;
}
}
}
// Explicit template instantiation
template void number_int_value<int64_t>(const std::string& data, cscDataType typeCode,
const datatypes::SystemCatalog::TypeAttributesStd& ct,
bool& pushwarning, bool noRoundup, int64_t& intVal, bool* saturate);
template void number_int_value<int128_t>(const std::string& data, cscDataType typeCode,
const datatypes::SystemCatalog::TypeAttributesStd& ct,
bool& pushwarning, bool noRoundup, int128_t& intVal, bool* saturate);
uint64_t number_uint_value(const string& data, cscDataType typeCode,
const datatypes::SystemCatalog::TypeAttributesStd& /*ct*/, bool& pushwarning,
bool /*noRoundup*/)
{
// copy of the original input
string valStr(data);
// in case, the values are in parentheses
string::size_type x = valStr.find('(');
string::size_type y = valStr.find(')');
while (x < string::npos)
{
// erase y first
if (y == string::npos)
throw QueryDataExcept("'(' is not matched.", formatErr);
valStr.erase(y, 1);
valStr.erase(x, 1);
x = valStr.find('(');
y = valStr.find(')');
}
if (y != string::npos)
throw QueryDataExcept("')' is not matched.", formatErr);
// convert to fixed-point notation if input is in scientific notation
if (valStr.find('E') < string::npos || valStr.find('e') < string::npos)
{
size_t epos = valStr.find('E');
if (epos == string::npos)
epos = valStr.find('e');
// get the coefficient
string coef = valStr.substr(0, epos);
// get the exponent
string exp = valStr.substr(epos + 1);
bool overflow = false;
int64_t exponent = dataconvert::string_to_ll<int64_t>(exp, overflow);
// if the exponent can not be held in 64-bit, not supported or saturated.
if (overflow)
throw QueryDataExcept("value is invalid.", formatErr);
// find the optional "." point
size_t dpos = coef.find('.');
if (dpos != string::npos)
{
// move "." to the end by mutiply 10 ** (# of fraction digits)
coef.erase(dpos, 1);
exponent -= coef.length() - dpos;
}
if (exponent >= 0)
{
coef.resize(coef.length() + exponent, '0');
}
else
{
size_t bpos = coef.find_first_of("0123456789");
size_t epos = coef.length();
size_t mpos = -exponent;
dpos = epos - mpos;
int64_t padding = (int64_t)mpos - (int64_t)(epos - bpos);
if (padding > 0)
{
coef.insert(bpos, padding, '0');
dpos = bpos;
}
coef.insert(dpos, ".");
}
valStr = coef;
}
// now, convert to uint64_t
string intStr(valStr);
string frnStr = "";
size_t dp = valStr.find('.');
if (dp != string::npos)
{
intStr.erase(dp);
frnStr = valStr.substr(dp + 1);
if (intStr.length() == 0)
intStr = "0";
else if ((intStr.length() == 1) && ((intStr[0] == '+') || (intStr[0] == '-')))
{
intStr.insert(1, 1, '0');
}
}
uint64_t uintVal = dataconvert::string_to_ull(intStr, pushwarning);
bool dummy = false;
uint64_t frnVal = (frnStr.length() > 0) ? dataconvert::string_to_ull(frnStr, dummy) : 0;
if (frnVal != 0)
pushwarning = true;
switch (typeCode)
{
case datatypes::SystemCatalog::UTINYINT:
if (uintVal > MAX_UTINYINT)
{
uintVal = MAX_UTINYINT;
pushwarning = true;
}
break;
case datatypes::SystemCatalog::USMALLINT:
if (uintVal > MAX_USMALLINT)
{
uintVal = MAX_USMALLINT;
pushwarning = true;
}
break;
case datatypes::SystemCatalog::UMEDINT:
if (uintVal > MAX_UMEDINT)
{
uintVal = MAX_UMEDINT;
pushwarning = true;
}
break;
case datatypes::SystemCatalog::UINT:
if (uintVal > MAX_UINT)
{
uintVal = MAX_UINT;
pushwarning = true;
}
break;
case datatypes::SystemCatalog::UBIGINT:
if (uintVal > MAX_UBIGINT)
{
uintVal = MAX_UBIGINT;
pushwarning = true;
}
break;
default: break;
}
return uintVal;
}
/**
* This function reads a decimal value from a string. It will stop processing
* in 3 cases:
* 1) end of input string (null-terminated)
* 2) non-digit hit
* 3) max characters read (if max != 0 then at most max characters read)
*
* It's up to the caller to figure out whether an error occurred based on
* their definition of an error and how many characters were read
*/
uint32_t readDecimal(const char*& str, int32_t& value, uint32_t max = 0)
{
value = 0;
uint32_t numread = 0;
while ((!max || numread < max) && *str && isdigit(*str))
{
value = value * 10 + ((*str) - '0');
++numread;
++str;
}
return numread;
}
bool mysql_str_to_datetime(const string& input, DateTime& output, bool& isDate)
{
/**
* First we are going to identify the stop/start of the date portion.
* The rules are:
* - Date portion must come before anything else
* - Date portion may only contain numbers and '-'
* - Date portion ends with ' ', 'T', or '\0'
* - Date portion always starts with Year
* - Without date separators ('-'):
* YYMMDD
* YYYYMMDD
* - With date separators there are no specific field length
* requirements
*/
int32_t datesepct = 0;
uint32_t dtend = 0;
for (; dtend < input.length(); ++dtend)
{
char c = input[dtend];
if (isdigit(c))
{
continue;
}
// else if( dtend != 0 && c == '-' )
else if (dtend != 0 && ispunct(c))
{
++datesepct;
}
else if (c == 'T' || c == ' ')
{
break;
}
else
{
// some other character showed up
output.reset();
return false;
}
}
int32_t year = -1;
int32_t mon = -1;
int32_t day = -1;
const char* ptr = input.c_str();
if (datesepct == 0)
{
if (dtend == 6 || dtend == 12)
{
readDecimal(ptr, year, 2);
readDecimal(ptr, mon, 2);
readDecimal(ptr, day, 2);
year += 2000;
if (year > 2069)
year -= 100;
if (dtend == 12)
dtend -= 6;
}
else if (dtend == 8 || dtend == 14)
{
readDecimal(ptr, year, 4);
readDecimal(ptr, mon, 2);
readDecimal(ptr, day, 2);
if (dtend == 14)
dtend -= 6;
}
else
{
output.reset();
return false;
}
}
else if (datesepct == 2)
{
uint32_t numread = readDecimal(ptr, year);
if (numread == 2)
{
// special handling if we read a 2-byte year
year += 2000;
if (year > 2069)
year -= 100;
}
++ptr; // skip one separator
readDecimal(ptr, mon);
++ptr; // skip one separator
readDecimal(ptr, day); // skip two separators
}
else
{
output.reset();
return false;
}
if (!isDateValid(day, mon, year))
{
output.reset();
return false;
}
output.year = year;
output.month = mon;
output.day = day;
/**
* Now we need to deal with the time portion.
* The rules are:
* - Time portion may be empty
* - Time portion may start with 'T'
* - Time portion always ends with '\0'
* - Time portion always starts with hour
* - Without time separators (':'):
* HHMMSS
* - All Times can end with option .[microseconds]
* - With time separators there are no specific field length
* requirements
*/
while (input[dtend] == ' ' && dtend < input.length())
{
++dtend;
}
if (dtend == input.length())
{
isDate = true;
return true;
}
uint32_t timesep_ct = 0;
bool has_usec = false;
uint32_t len_before_msec = 0;
uint32_t tmstart = (input[dtend] == ' ' || input[dtend] == 'T') ? dtend + 1 : dtend;
uint32_t tmend = tmstart;
for (; tmend < input.length(); ++tmend)
{
char c = input[tmend];
if (isdigit(c))
{
// digits always ok
continue;
}
// else if( c == ':' )
// {
// timesep_ct++;
// }
// else if( c == '.' )
// {
// len_before_msec = ( tmend - tmstart );
// has_usec = true;
// }
else if (ispunct(c))
{
if (c == '.' && timesep_ct == 2)
{
len_before_msec = (tmend - tmstart);
has_usec = true;
}
else
{
timesep_ct++;
}
}
else
{
// some other character showed up
output.reset();
return false;
}
}
if (!len_before_msec)
len_before_msec = (tmend - tmstart);
int32_t hour = -1;
int32_t min = 0;
int32_t sec = 0;
int32_t usec = 0;
const char* tstart = input.c_str() + tmstart;
if (timesep_ct == 2)
{
readDecimal(tstart, hour);
++tstart; // skip one separator
readDecimal(tstart, min);
++tstart; // skip one separator
readDecimal(tstart, sec);
}
else if (timesep_ct == 1)
{
readDecimal(tstart, hour);
++tstart; // skip one separator
readDecimal(tstart, min);
}
else if (timesep_ct == 0 && len_before_msec == 6)
{
readDecimal(tstart, hour, 2);
readDecimal(tstart, min, 2);
readDecimal(tstart, sec, 2);
}
else if (timesep_ct == 0 && len_before_msec == 4)
{
readDecimal(tstart, hour, 2);
readDecimal(tstart, min, 2);
}
else if (timesep_ct == 0 && len_before_msec == 2)
{
readDecimal(tstart, hour, 2);
}
else
{
output.reset();
return false;
}
if (has_usec)
{
++tstart; // skip '.' character. We could error check if we wanted to
uint32_t numread = readDecimal(tstart, usec);
if (numread > 6 || numread < 1)
{
// don't allow more than 6 digits when specifying microseconds
output.reset();
return false;
}
// usec have to be scaled up so that it always represents microseconds
for (int i = numread; i < 6; i++)
usec *= 10;
}
if (!isDateTimeValid(hour, min, sec, usec))
{
output.reset();
return false;
}
output.hour = hour;
output.minute = min;
output.second = sec;
output.msecond = usec;
isDate = false;
return true;
}
bool mysql_str_to_time(const string& input, Time& output, long decimals)
{
uint32_t dtend = 0;
bool isNeg = false;
/**
* We need to deal with the time portion.
* The rules are:
* - Time portion always ends with '\0'
* - Time portion always starts with hour
* - Without time separators (':'):
* HHMMSS
* - All Times can end with option .[microseconds]
* - With time separators there are no specific field length
* requirements
*/
while (input[dtend] == ' ' && dtend < input.length())
{
++dtend;
}
if (dtend == input.length())
{
return false;
}
uint32_t timesep_ct = 0;
bool has_usec = false;
uint32_t len_before_msec = 0;
uint32_t tmstart = dtend;
uint32_t tmend = tmstart;
for (; tmend < input.length(); ++tmend)
{
char c = input[tmend];
if (isdigit(c))
{
// digits always ok
continue;
}
// else if( c == ':' )
// {
// timesep_ct++;
// }
// else if( c == '.' )
// {
// len_before_msec = ( tmend - tmstart );
// has_usec = true;
// }
else if (ispunct(c))
{
if (c == '.' && timesep_ct == 2)
{
len_before_msec = (tmend - tmstart);
has_usec = true;
}
else if (c == '-' && (tmend == tmstart))
{
isNeg = true;
++tmstart;
}
else
{
timesep_ct++;
}
}
else
{
// some other character showed up
output.reset();
return false;
}
}
if (!len_before_msec)
len_before_msec = (tmend - tmstart);
int32_t hour = -1;
int32_t min = 0;
int32_t sec = 0;
int32_t usec = 0;
const char* tstart = input.c_str() + tmstart;
if (timesep_ct == 2)
{
readDecimal(tstart, hour);
++tstart; // skip one separator
readDecimal(tstart, min);
++tstart; // skip one separator
readDecimal(tstart, sec);
}
else if (timesep_ct == 1)
{
readDecimal(tstart, hour);
++tstart; // skip one separator
readDecimal(tstart, min);
}
else if (timesep_ct == 0 && len_before_msec == 6)
{
readDecimal(tstart, hour, 2);
readDecimal(tstart, min, 2);
readDecimal(tstart, sec, 2);
}
else if (timesep_ct == 0 && len_before_msec == 4)
{
readDecimal(tstart, hour, 2);
readDecimal(tstart, min, 2);
}
else if (timesep_ct == 0 && len_before_msec == 2)
{
readDecimal(tstart, hour, 2);
}
else
{
output.reset();
return false;
}
if (has_usec)
{
++tstart; // skip '.' character. We could error check if we wanted to
uint32_t numread = readDecimal(tstart, usec);
if (numread > 6 || numread < 1)
{
// don't allow more than 6 digits when specifying microseconds
output.reset();
return false;
}
// usec have to be scaled up so that it always represents microseconds
for (int i = numread; i < 6; i++)
usec *= 10;
}
if (!isTimeValid(hour, min, sec, usec))
{
// Emulate MariaDB's time saturation
// TODO: msec saturation
if ((hour > 838) && !isNeg)
{
output.hour = 838;
output.minute = 59;
output.second = 59;
output.msecond = exp10(decimals) - 1;
output.is_neg = 0;
}
else if ((hour < -838) || ((hour > 838) && isNeg))
{
output.hour = -838;
output.minute = 59;
output.second = 59;
output.msecond = exp10(decimals) - 1;
output.is_neg = -1;
}
// If neither of the above match then we return a 0 time
else
{
output.reset();
}
return false;
}
output.hour = isNeg ? 0 - hour : hour;
output.minute = min;
output.second = sec;
output.msecond = usec;
output.is_neg = isNeg;
return true;
}
bool stringToDateStruct(const string& data, Date& date)
{
bool isDate;
DateTime dt;
if (!mysql_str_to_datetime(data, dt, isDate))
return false;
date.year = dt.year;
date.month = dt.month;
date.day = dt.day;
return true;
}
bool stringToDatetimeStruct(const string& data, DateTime& dtime, bool* date)
{
bool isDate;
if (!mysql_str_to_datetime(data, dtime, isDate))
return false;
if (isDate)
{
if (date)
*date = true;
dtime.hour = 0;
dtime.minute = 0;
dtime.second = 0;
dtime.msecond = 0;
}
return true;
}
bool stringToTimeStruct(const string& data, Time& dtime, long decimals)
{
if (!mysql_str_to_time(data, dtime, decimals))
return false;
return true;
}
bool stringToTimestampStruct(const string& data, TimeStamp& timeStamp, long timeZone)
{
// special handling for 0000-00-00 00:00:00
// "0" is sent by the server when checking for default value
// in the DDL. This is equivalent of 0000-00-00 00:00:00
if (data.substr(0, 19) == "0000-00-00 00:00:00" || data == "0")
{
timeStamp.second = 0;
timeStamp.msecond = 0;
return true;
}
// for alter table add column <columnname> timestamp,
// if the table is non-empty, then columnstore will apply
// default value to populate the new column
if (data == "current_timestamp() ON UPDATE current_timestamp()")
{
struct timeval tv;
gettimeofday(&tv, 0);
timeStamp.second = tv.tv_sec;
timeStamp.msecond = tv.tv_usec;
return true;
}
bool isDate;
DateTime dtime;
if (!mysql_str_to_datetime(data, dtime, isDate))
{
timeStamp.reset();
return false;
}
if (isDate)
{
dtime.hour = 0;
dtime.minute = 0;
dtime.second = 0;
dtime.msecond = 0;
}
MySQLTime m_time;
m_time.year = dtime.year;
m_time.month = dtime.month;
m_time.day = dtime.day;
m_time.hour = dtime.hour;
m_time.minute = dtime.minute;
m_time.second = dtime.second;
m_time.second_part = dtime.msecond;
bool isValid = true;
int64_t seconds = mySQLTimeToGmtSec(m_time, timeZone, isValid);
if (!isValid)
{
timeStamp.reset();
return false;
}
timeStamp.second = seconds;
timeStamp.msecond = m_time.second_part;
return true;
}
boost::any DataConvert::StringToBit(const datatypes::SystemCatalog::TypeAttributesStd& colType,
const datatypes::ConvertFromStringParam& prm, const std::string& dataOrig,
bool& pushWarning)
{
std::string data(dataOrig);
unsigned int x = data.find("(");
if (x <= data.length())
{
data.replace(x, 1, " ");
}
x = data.find(")");
if (x <= data.length())
{
data.replace(x, 1, " ");
}
int64_t tmp = 0;
number_int_value(data, datatypes::SystemCatalog::BIT, colType, pushWarning, prm.noRoundup(), tmp);
if (tmp)
{
bool bitvalue;
if (from_string<bool>(bitvalue, data, std::dec))
{
boost::any value = bitvalue;
return value;
}
else
{
throw QueryDataExcept("range, valid value or conversion error on BIT type.", formatErr);
}
}
return boost::any();
}
boost::any DataConvert::StringToSDecimal(const datatypes::SystemCatalog::TypeAttributesStd& colType,
const datatypes::ConvertFromStringParam& prm,
const std::string& data, bool& pushWarning)
{
const cscDataType typeCode = datatypes::SystemCatalog::DECIMAL;
if (LIKELY(colType.colWidth == 16))
{
int128_t val128;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val128);
boost::any value = (int128_t)val128;
return value;
}
else if (colType.colWidth == 8)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
boost::any value = (long long)val64;
return value;
}
else if (colType.colWidth == 4)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
boost::any value = (int)val64;
return value;
}
else if (colType.colWidth == 2)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
boost::any value = (short)val64;
return value;
}
else if (colType.colWidth == 1)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
boost::any value = (char)val64;
return value;
}
// else if (colType.colWidth == 32)
// value = data;
return boost::any();
}
boost::any DataConvert::StringToUDecimal(const datatypes::SystemCatalog::TypeAttributesStd& colType,
const datatypes::ConvertFromStringParam& prm,
const std::string& data, bool& pushWarning)
{
const cscDataType typeCode = datatypes::SystemCatalog::UDECIMAL;
// UDECIMAL numbers may not be negative
if (LIKELY(colType.colWidth == 16))
{
int128_t val128;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val128);
if (val128 < 0 && !datatypes::Decimal::isWideDecimalNullValue(val128) &&
!datatypes::Decimal::isWideDecimalEmptyValue(val128))
{
val128 = 0;
pushWarning = true;
}
boost::any value = val128;
return value;
}
else if (colType.colWidth == 8)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
long long ival = static_cast<long long>(val64);
if (ival < 0 && ival != static_cast<long long>(joblist::BIGINTEMPTYROW) &&
ival != static_cast<long long>(joblist::BIGINTNULL))
{
ival = 0;
pushWarning = true;
}
boost::any value = ival;
return value;
}
else if (colType.colWidth == 4)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
int ival = static_cast<int>(val64);
if (ival < 0 && ival != static_cast<int>(joblist::INTEMPTYROW) &&
ival != static_cast<int>(joblist::INTNULL))
{
ival = 0;
pushWarning = true;
}
boost::any value = ival;
return value;
}
else if (colType.colWidth == 2)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
short ival = (short)val64;
if (ival < 0 && ival != static_cast<int16_t>(joblist::SMALLINTEMPTYROW) &&
ival != static_cast<int16_t>(joblist::SMALLINTNULL))
{
ival = 0;
pushWarning = true;
}
boost::any value = ival;
return value;
}
else if (colType.colWidth == 1)
{
int64_t val64;
number_int_value(data, typeCode, colType, pushWarning, prm.noRoundup(), val64);
signed char ival = (signed char)val64;
if (ival < 0 && ival != static_cast<int8_t>(joblist::TINYINTEMPTYROW) &&
ival != static_cast<int8_t>(joblist::TINYINTNULL))
{
ival = 0;
pushWarning = true;
}
boost::any value = ival;
return value;
}
return boost::any();
}
boost::any DataConvert::StringToFloat(cscDataType typeCode, const std::string& dataOrig, bool& pushWarning)
{
boost::any value;
std::string data(dataOrig);
string::size_type x = data.find('(');
if (x < string::npos)
data.erase(x, 1);
x = data.find(')');
if (x < string::npos)
data.erase(x, 1);
if (number_value(data))
{
float floatvalue;
errno = 0;
floatvalue = strtof(data.c_str(), 0);
if (errno == ERANGE)
{
pushWarning = true;
if (abs(floatvalue) == HUGE_VALF)
{
if (floatvalue > 0)
floatvalue = MAX_FLOAT;
else
floatvalue = MIN_FLOAT;
}
else
floatvalue = 0;
}
if (floatvalue < 0.0 && typeCode == datatypes::SystemCatalog::UFLOAT &&
floatvalue != static_cast<float>(joblist::FLOATEMPTYROW) &&
floatvalue != static_cast<float>(joblist::FLOATNULL))
{
value = 0.0; // QQ: should it assign floatvalue?
pushWarning = true;
}
value = floatvalue;
}
else
throw QueryDataExcept("range, valid value or conversion error on FLOAT type.", formatErr);
return value;
}
boost::any DataConvert::StringToDouble(cscDataType typeCode, const std::string& dataOrig, bool& pushWarning)
{
boost::any value;
std::string data(dataOrig);
string::size_type x = data.find('(');
if (x < string::npos)
data.erase(x, 1);
x = data.find(')');
if (x < string::npos)
data.erase(x, 1);
if (number_value(data))
{
double doublevalue;
errno = 0;
doublevalue = strtod(data.c_str(), 0);
if (errno == ERANGE)
{
pushWarning = true;
if (abs(doublevalue) == HUGE_VALL)
{
if (doublevalue > 0)
value = MAX_DOUBLE;
else
value = MIN_DOUBLE;
}
else
value = 0;
}
else
value = doublevalue;
if (doublevalue < 0.0 && typeCode == datatypes::SystemCatalog::UDOUBLE &&
doublevalue != static_cast<double>(joblist::DOUBLEEMPTYROW) &&
doublevalue != static_cast<double>(joblist::DOUBLENULL))
{
doublevalue = 0.0; // QQ: should it assign "value" ?
pushWarning = true;
}
}
else
{
throw QueryDataExcept("range, valid value or conversion error on DOUBLE type.", formatErr);
}
return value;
}
boost::any DataConvert::StringToString(const datatypes::SystemCatalog::TypeAttributesStd& colType,
const std::string& dataOrig, bool& pushWarning)
{
std::string data(dataOrig);
// check data length
if (data.length() > (unsigned int)colType.colWidth)
{
// TODO: charsetNumber should be moved to TypeStdAttributes ASAP
const execplan::CalpontSystemCatalog::ColType& colType2 =
static_cast<const execplan::CalpontSystemCatalog::ColType&>(colType);
datatypes::Charset cs(colType2.charsetNumber);
const char* newEnd = data.data() + colType.colWidth;
const char* origEnd = data.data() + data.length();
pushWarning = cs.test_if_important_data(newEnd, origEnd);
data = data.substr(0, colType.colWidth);
boost::any value = data;
return value;
}
if ((unsigned int)colType.colWidth > data.length())
{
// Pad null character to the string
data.resize(colType.colWidth, 0);
}
boost::any value = data;
return value;
}
boost::any DataConvert::StringToDate(const std::string& data, bool& pushWarning)
{
Date aDay;
if (stringToDateStruct(data, aDay))
{
boost::any value = getUInt32LE((const char*)&aDay);
return value;
}
boost::any value = (uint32_t)0;
pushWarning = true;
return value;
}
boost::any DataConvert::StringToDatetime(const std::string& data, bool& pushWarning)
{
DateTime aDatetime;
if (stringToDatetimeStruct(data, aDatetime, 0)) // QQ: why 0?
{
boost::any value = getUInt64LE((const char*)&aDatetime);
return value;
}
boost::any value = (uint64_t)0;
pushWarning = true;
return value;
}
boost::any DataConvert::StringToTime(const datatypes::SystemCatalog::TypeAttributesStd& colType,
const std::string& data, bool& pushWarning)
{
Time aTime;
if (!stringToTimeStruct(data, aTime, colType.precision))
{
pushWarning = true;
}
boost::any value = getSInt64LE((const char*)&aTime);
return value;
}
boost::any DataConvert::StringToTimestamp(const datatypes::ConvertFromStringParam& prm,
const std::string& data, bool& pushWarning)
{
TimeStamp aTimestamp;
if (!stringToTimestampStruct(data, aTimestamp, prm.timeZone()))
{
pushWarning = true;
}
boost::any value = getUInt64LE((const char*)&aTimestamp);
return value;
}
//------------------------------------------------------------------------------
// Convert date string to binary date. Used by BulkLoad.
//------------------------------------------------------------------------------
int32_t DataConvert::convertColumnDate(const char* dataOrg, CalpontDateTimeFormat dateFormat, int& status,
unsigned int dataOrgLen)
{
status = 0;
const char* p;
p = dataOrg;
char fld[10];
int32_t value = 0;
if (dateFormat != CALPONTDATE_ENUM)
{
status = -1;
return value;
}
// @bug 5787: allow for leading blanks
unsigned int dataLen = dataOrgLen;
if ((dataOrgLen > 0) && (dataOrg[0] == ' '))
{
unsigned nblanks = 0;
for (unsigned nn = 0; nn < dataOrgLen; nn++)
{
if (dataOrg[nn] == ' ')
nblanks++;
else
break;
}
p = dataOrg + nblanks;
dataLen = dataOrgLen - nblanks;
}
if (dataLen < 10)
{
status = -1;
return value;
}
int inYear, inMonth, inDay;
memcpy(fld, p, 4);
fld[4] = '\0';
inYear = strtol(fld, 0, 10);
memcpy(fld, p + 5, 2);
fld[2] = '\0';
inMonth = strtol(fld, 0, 10);
memcpy(fld, p + 8, 2);
fld[2] = '\0';
inDay = strtol(fld, 0, 10);
if (isDateValid(inDay, inMonth, inYear))
{
Date aDay;
aDay.year = inYear;
aDay.month = inMonth;
aDay.day = inDay;
memcpy(&value, &aDay, 4);
}
else
{
status = -1;
}
return value;
}
//------------------------------------------------------------------------------
// Verify that specified date is valid
//------------------------------------------------------------------------------
bool DataConvert::isColumnDateValid(int32_t date)
{
Date d;
void* dp = static_cast<void*>(&d);
memcpy(dp, &date, sizeof(int32_t));
return (isDateValid(d.day, d.month, d.year));
}
//------------------------------------------------------------------------------
// Convert date/time string to binary date/time. Used by BulkLoad.
//------------------------------------------------------------------------------
int64_t DataConvert::convertColumnDatetime(const char* dataOrg, CalpontDateTimeFormat datetimeFormat,
int& status, unsigned int dataOrgLen)
{
status = 0;
const char* p;
p = dataOrg;
char fld[10];
int64_t value = 0;
if (datetimeFormat != CALPONTDATETIME_ENUM)
{
status = -1;
return value;
}
// @bug 5787: allow for leading blanks
unsigned int dataLen = dataOrgLen;
if ((dataOrgLen > 0) && (dataOrg[0] == ' '))
{
unsigned nblanks = 0;
for (unsigned nn = 0; nn < dataOrgLen; nn++)
{
if (dataOrg[nn] == ' ')
nblanks++;
else
break;
}
p = dataOrg + nblanks;
dataLen = dataOrgLen - nblanks;
}
if (dataLen < 10)
{
status = -1;
return value;
}
int inYear, inMonth, inDay, inHour, inMinute, inSecond, inMicrosecond;
memcpy(fld, p, 4);
fld[4] = '\0';
inYear = strtol(fld, 0, 10);
memcpy(fld, p + 5, 2);
fld[2] = '\0';
inMonth = strtol(fld, 0, 10);
memcpy(fld, p + 8, 2);
fld[2] = '\0';
inDay = strtol(fld, 0, 10);
inHour = 0;
inMinute = 0;
inSecond = 0;
inMicrosecond = 0;
if (dataLen > 12)
{
// For backwards compatability we still allow leading blank
if ((!isdigit(p[11]) && (p[11] != ' ')) || !isdigit(p[12]))
{
status = -1;
return value;
}
memcpy(fld, p + 11, 2);
fld[2] = '\0';
inHour = strtol(fld, 0, 10);
if (dataLen > 15)
{
if (!isdigit(p[14]) || !isdigit(p[15]))
{
status = -1;
return value;
}
memcpy(fld, p + 14, 2);
fld[2] = '\0';
inMinute = strtol(fld, 0, 10);
if (dataLen > 18)
{
if (!isdigit(p[17]) || !isdigit(p[18]))
{
status = -1;
return value;
}
memcpy(fld, p + 17, 2);
fld[2] = '\0';
inSecond = strtol(fld, 0, 10);
if (dataLen > 20)
{
unsigned int microFldLen = dataLen - 20;
if (microFldLen > (sizeof(fld) - 1))
microFldLen = sizeof(fld) - 1;
memcpy(fld, p + 20, microFldLen);
fld[microFldLen] = '\0';
inMicrosecond = strtol(fld, 0, 10);
}
}
}
}
if (isDateValid(inDay, inMonth, inYear) && isDateTimeValid(inHour, inMinute, inSecond, inMicrosecond))
{
DateTime aDatetime;
aDatetime.year = inYear;
aDatetime.month = inMonth;
aDatetime.day = inDay;
aDatetime.hour = inHour;
aDatetime.minute = inMinute;
aDatetime.second = inSecond;
aDatetime.msecond = inMicrosecond;
memcpy(&value, &aDatetime, 8);
}
else
{
status = -1;
}
return value;
}
//------------------------------------------------------------------------------
// Convert timestamp string to binary timestamp. Used by BulkLoad.
// Most of this code is taken from DataConvert::convertColumnDatetime
//------------------------------------------------------------------------------
int64_t DataConvert::convertColumnTimestamp(const char* dataOrg, CalpontDateTimeFormat datetimeFormat,
int& status, unsigned int dataOrgLen, long timeZone)
{
char tmbuf[64];
std::string dataOrgTemp = dataOrg;
status = 0;
if (dataOrgTemp.substr(0, 19) == "0000-00-00 00:00:00")
{
return 0;
}
// this is the default value of the first timestamp field in a table,
// which is stored in the system catalog
if (strcmp(dataOrg, "current_timestamp() ON UPDATE current_timestamp()") == 0)
{
struct timeval tv;
gettimeofday(&tv, 0);
MySQLTime time;
gmtSecToMySQLTime(tv.tv_sec, time, timeZone);
sprintf(tmbuf, "%04d-%02d-%02d %02d:%02d:%02d.%06ld", time.year, time.month, time.day, time.hour,
time.minute, time.second, tv.tv_usec);
dataOrg = tmbuf;
dataOrgLen = strlen(tmbuf);
}
const char* p;
p = dataOrg;
char fld[10];
int64_t value = 0;
if (datetimeFormat != CALPONTDATETIME_ENUM)
{
status = -1;
return value;
}
unsigned int dataLen = dataOrgLen;
if ((dataOrgLen > 0) && (dataOrg[0] == ' '))
{
unsigned nblanks = 0;
for (unsigned nn = 0; nn < dataOrgLen; nn++)
{
if (dataOrg[nn] == ' ')
nblanks++;
else
break;
}
p = dataOrg + nblanks;
dataLen = dataOrgLen - nblanks;
}
if (dataLen < 10)
{
status = -1;
return value;
}
int inYear, inMonth, inDay, inHour, inMinute, inSecond, inMicrosecond;
memcpy(fld, p, 4);
fld[4] = '\0';
inYear = strtol(fld, 0, 10);
memcpy(fld, p + 5, 2);
fld[2] = '\0';
inMonth = strtol(fld, 0, 10);
memcpy(fld, p + 8, 2);
fld[2] = '\0';
inDay = strtol(fld, 0, 10);
inHour = 0;
inMinute = 0;
inSecond = 0;
inMicrosecond = 0;
if (dataLen > 12)
{
// For backwards compatability we still allow leading blank
if ((!isdigit(p[11]) && (p[11] != ' ')) || !isdigit(p[12]))
{
status = -1;
return value;
}
memcpy(fld, p + 11, 2);
fld[2] = '\0';
inHour = strtol(fld, 0, 10);
if (dataLen > 15)
{
if (!isdigit(p[14]) || !isdigit(p[15]))
{
status = -1;
return value;
}
memcpy(fld, p + 14, 2);
fld[2] = '\0';
inMinute = strtol(fld, 0, 10);
if (dataLen > 18)
{
if (!isdigit(p[17]) || !isdigit(p[18]))
{
status = -1;
return value;
}
memcpy(fld, p + 17, 2);
fld[2] = '\0';
inSecond = strtol(fld, 0, 10);
if (dataLen > 20)
{
unsigned int microFldLen = dataLen - 20;
if (microFldLen > (sizeof(fld) - 1))
microFldLen = sizeof(fld) - 1;
memcpy(fld, p + 20, microFldLen);
fld[microFldLen] = '\0';
inMicrosecond = strtol(fld, 0, 10);
}
}
}
}
if (isDateValid(inDay, inMonth, inYear) && isDateTimeValid(inHour, inMinute, inSecond, inMicrosecond))
{
MySQLTime m_time;
m_time.year = inYear;
m_time.month = inMonth;
m_time.day = inDay;
m_time.hour = inHour;
m_time.minute = inMinute;
m_time.second = inSecond;
m_time.second_part = inMicrosecond;
bool isValid = true;
int64_t seconds = mySQLTimeToGmtSec(m_time, timeZone, isValid);
if (!isValid)
{
status = -1;
return value;
}
TimeStamp timestamp;
timestamp.second = seconds;
timestamp.msecond = m_time.second_part;
memcpy(&value, &timestamp, 8);
}
else
{
status = -1;
}
return value;
}
//------------------------------------------------------------------------------
// Convert time string to binary time. Used by BulkLoad.
// Most of this is taken from str_to_time in sql-common/my_time.c
//------------------------------------------------------------------------------
int64_t DataConvert::convertColumnTime(const char* dataOrg, CalpontDateTimeFormat datetimeFormat, int& status,
unsigned int dataOrgLen)
{
status = 0;
char* p;
char* retp = NULL;
char* savePoint = NULL;
p = const_cast<char*>(dataOrg);
int64_t value = 0;
int inHour, inMinute, inSecond, inMicrosecond;
inHour = 0;
inMinute = 0;
inSecond = 0;
inMicrosecond = 0;
bool isNeg = false;
if (datetimeFormat != CALPONTTIME_ENUM)
{
status = -1;
return value;
}
if (dataOrgLen == 0)
{
return value;
}
if (dataOrgLen < 3)
{
// Not enough chars to be a time
status = -1;
return value;
}
if (p[0] == '-')
{
isNeg = true;
}
errno = 0;
p = strtok_r(p, ":.", &savePoint);
inHour = strtol(p, &retp, 10);
if (errno || !retp)
{
status = -1;
return value;
}
p = strtok_r(NULL, ":.", &savePoint);
if (p == NULL)
{
status = -1;
return value;
}
inMinute = strtol(p, &retp, 10);
if (errno || !retp)
{
status = -1;
return value;
}
p = strtok_r(NULL, ":.", &savePoint);
if (p == NULL)
{
status = -1;
return value;
}
inSecond = strtol(p, &retp, 10);
if (errno || !retp)
{
status = -1;
return value;
}
p = strtok_r(NULL, ":.", &savePoint);
if (p != NULL)
{
inMicrosecond = strtol(p, &retp, 10);
if (errno || !retp)
{
status = -1;
return value;
}
}
if (isTimeValid(inHour, inMinute, inSecond, inMicrosecond))
{
Time atime;
atime.hour = inHour;
atime.minute = inMinute;
atime.second = inSecond;
atime.msecond = inMicrosecond;
atime.is_neg = isNeg;
memcpy(&value, &atime, 8);
}
else
{
// Emulate MariaDB's time saturation
if (inHour > 838)
{
Time atime;
atime.hour = 838;
atime.minute = 59;
atime.second = 59;
atime.msecond = 999999;
atime.is_neg = false;
memcpy(&value, &atime, 8);
}
else if (inHour < -838)
{
Time atime;
atime.hour = -838;
atime.minute = 59;
atime.second = 59;
atime.msecond = 999999;
atime.is_neg = false;
memcpy(&value, &atime, 8);
}
// If neither of the above match then we return a 0 time
status = -1;
}
return value;
}
//------------------------------------------------------------------------------
// Verify that specified datetime is valid
//------------------------------------------------------------------------------
bool DataConvert::isColumnDateTimeValid(int64_t dateTime)
{
DateTime dt;
void* dtp = static_cast<void*>(&dt);
memcpy(dtp, &dateTime, sizeof(uint64_t));
if (isDateValid(dt.day, dt.month, dt.year))
return isDateTimeValid(dt.hour, dt.minute, dt.second, dt.msecond);
return false;
}
bool DataConvert::isColumnTimeValid(int64_t time)
{
Time dt;
void* dtp = static_cast<void*>(&dt);
memcpy(dtp, &time, sizeof(uint64_t));
return isTimeValid(dt.hour, dt.minute, dt.second, dt.msecond);
}
bool DataConvert::isColumnTimeStampValid(int64_t timeStamp)
{
TimeStamp dt;
void* dtp = static_cast<void*>(&dt);
memcpy(dtp, &timeStamp, sizeof(uint64_t));
return isTimestampValid(dt.second, dt.msecond);
}
std::string DataConvert::dateToString(int datevalue)
{
// @bug 4703 abandon multiple ostringstream's for conversion
Date d(datevalue);
const int DATETOSTRING_LEN = 12; // YYYY-MM-DD\0
char buf[DATETOSTRING_LEN];
sprintf(buf, "%04d-%02d-%02d", d.year, d.month, d.day);
return buf;
}
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 = 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)
{
// Pad start with zeros
sprintf(buf + strlen(buf), ".%0*d", (int)decimals, dt.msecond);
}
return buf;
}
std::string DataConvert::timestampToString(long long timestampvalue, long timezone, long decimals)
{
// 10 is default which means we don't need microseconds
if (decimals > 6 || decimals < 0)
{
decimals = 0;
}
TimeStamp timestamp(timestampvalue);
int64_t seconds = timestamp.second;
MySQLTime time;
gmtSecToMySQLTime(seconds, time, timezone);
const int TIMESTAMPTOSTRING_LEN = 28; // YYYY-MM-DD HH:MM:SS.mmmmmm\0
char buf[TIMESTAMPTOSTRING_LEN];
sprintf(buf, "%04d-%02d-%02d %02d:%02d:%02d", time.year, time.month, time.day, time.hour, time.minute,
time.second);
if (timestamp.msecond && decimals)
{
// Pad start with zeros
sprintf(buf + strlen(buf), ".%0*d", (int)decimals, timestamp.msecond);
}
return buf;
}
std::string DataConvert::timeToString(long long timevalue, 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
Time dt(timevalue);
const int TIMETOSTRING_LEN = 19; // (-H)HH:MM:SS.mmmmmm\0
char buf[TIMETOSTRING_LEN];
char* outbuf = buf;
if ((dt.hour >= 0) && dt.is_neg)
{
outbuf[0] = '-';
outbuf++;
}
sprintf(outbuf, "%02d:%02d:%02d", dt.hour, dt.minute, dt.second);
if (dt.msecond && decimals)
{
// Pad start with zeros
sprintf(buf + strlen(buf), ".%0*d", (int)decimals, dt.msecond);
}
return buf;
}
std::string DataConvert::dateToString1(int datevalue)
{
// @bug 4703 abandon multiple ostringstream's for conversion
Date d(datevalue);
const int DATETOSTRING1_LEN = 10; // YYYYMMDD\0
char buf[DATETOSTRING1_LEN];
sprintf(buf, "%04d%02d%02d", d.year, d.month, d.day);
return buf;
}
std::string DataConvert::datetimeToString1(long long datetimevalue)
{
// @bug 4703 abandon multiple ostringstream's for conversion
DateTime dt(datetimevalue);
// Interesting, gcc 7 says the sprintf below generates between 21 and 23 bytes of output.
const int DATETIMETOSTRING1_LEN = 23; // YYYYMMDDHHMMSSmmmmmm\0
char buf[DATETIMETOSTRING1_LEN];
sprintf(buf, "%04d%02d%02d%02d%02d%02d%06d", dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second,
dt.msecond);
return buf;
}
std::string DataConvert::timestampToString1(long long timestampvalue, long timezone)
{
const int TIMESTAMPTOSTRING1_LEN = 22; // YYYYMMDDHHMMSSmmmmmm\0
char buf[TIMESTAMPTOSTRING1_LEN];
TimeStamp timestamp(timestampvalue);
int64_t seconds = timestamp.second;
MySQLTime time;
gmtSecToMySQLTime(seconds, time, timezone);
sprintf(buf, "%04d%02d%02d%02d%02d%02d%06d", time.year, time.month, time.day, time.hour, time.minute,
time.second, timestamp.msecond);
return buf;
}
std::string DataConvert::timeToString1(long long timevalue)
{
// @bug 4703 abandon multiple ostringstream's for conversion
Time t(timevalue);
const int TIMETOSTRING1_LEN = 22; // HHMMSSmmmmmm\0
char buf[TIMETOSTRING1_LEN];
char* outbuf = buf;
sprintf(outbuf, "%02d%02d%02d%06d", t.hour, t.minute, t.second, t.msecond);
return buf;
}
int64_t DataConvert::dateToInt(const string& date)
{
return stringToDate(date);
}
int64_t DataConvert::dateToInt(const utils::NullString& date)
{
return stringToDate(date);
}
int64_t DataConvert::datetimeToInt(const string& datetime)
{
return stringToDatetime(datetime);
}
int64_t DataConvert::datetimeToInt(const utils::NullString& datetime)
{
return stringToDatetime(datetime);
}
int64_t DataConvert::timestampToInt(const string& timestamp, long timeZone)
{
return stringToTimestamp(timestamp, timeZone);
}
int64_t DataConvert::timeToInt(const string& time)
{
return stringToTime(time);
}
int64_t DataConvert::stringToDate(const string& data)
{
Date aDay;
if (stringToDateStruct(data, aDay))
{
uint32_t temp = getUInt32LE((const char*)&aDay);
return ((temp & 0xFFFFFFC0) | 0x3E);
}
else
return -1;
}
int64_t DataConvert::stringToDate(const utils::NullString& data)
{
if (data.isNull())
{
return -1;
}
return stringToDate(data.unsafeStringRef());
}
int64_t DataConvert::stringToDatetime(const string& data, bool* date)
{
DateTime dtime;
if (stringToDatetimeStruct(data, dtime, date))
return getUInt64LE((const char*)&dtime);
else
return -1;
}
int64_t DataConvert::stringToDatetime(const utils::NullString& data, bool* date)
{
if (data.isNull())
{
if (date)
{
*date = false;
}
return -1;
}
return stringToDatetime(data.unsafeStringRef(), date);
}
int64_t DataConvert::stringToTimestamp(const string& data, long timeZone)
{
TimeStamp aTimestamp;
if (stringToTimestampStruct(data, aTimestamp, timeZone))
return getUInt64LE((const char*)&aTimestamp);
else
return -1;
}
int64_t DataConvert::stringToTimestamp(const utils::NullString& data, long timeZone)
{
if (data.isNull())
{
return -1;
}
return stringToTimestamp(data.unsafeStringRef(), timeZone);
}
/* This is really painful and expensive b/c it seems the input is not normalized or
sanitized. That should really be done on ingestion. */
int64_t DataConvert::intToDate(int64_t data)
{
char buf[21] = {0};
Date aday;
if (data == 0)
{
aday.year = 0;
aday.month = 0;
aday.day = 0;
return getUInt32LE((const char*)&aday);
}
// this snprintf call causes a compiler warning b/c we're potentially copying a 20-digit #
// into 15 bytes, however, that appears to be intentional.
#if defined(__GNUC__) && __GNUC__ >= 7
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-truncation="
snprintf(buf, 15, "%llu", (long long unsigned int)data);
#pragma GCC diagnostic pop
#else
snprintf(buf, 15, "%llu", (long long unsigned int)data);
#endif
string year, month, day, hour, min, sec, msec;
int64_t y = 0, m = 0, d = 0, h = 0, minute = 0, s = 0, ms = 0;
switch (strlen(buf))
{
case 14:
year = string(buf, 4);
month = string(buf + 4, 2);
day = string(buf + 6, 2);
hour = string(buf + 8, 2);
min = string(buf + 10, 2);
sec = string(buf + 12, 2);
msec = string(buf + 14, 6);
break;
case 12:
year = string(buf, 2);
month = string(buf + 2, 2);
day = string(buf + 4, 2);
hour = string(buf + 6, 2);
min = string(buf + 8, 2);
sec = string(buf + 10, 2);
msec = string(buf + 12, 6);
break;
case 10:
month = string(buf, 2);
day = string(buf + 2, 2);
hour = string(buf + 4, 2);
min = string(buf + 6, 2);
sec = string(buf + 8, 2);
msec = string(buf + 10, 6);
break;
case 9:
month = string(buf, 1);
day = string(buf + 1, 2);
hour = string(buf + 3, 2);
min = string(buf + 5, 2);
sec = string(buf + 7, 2);
msec = string(buf + 9, 6);
break;
case 8:
year = string(buf, 4);
month = string(buf + 4, 2);
day = string(buf + 6, 2);
break;
case 6:
year = string(buf, 2);
month = string(buf + 2, 2);
day = string(buf + 4, 2);
break;
case 4:
month = string(buf, 2);
day = string(buf + 2, 2);
break;
case 3:
month = string(buf, 1);
day = string(buf + 1, 2);
break;
default: return -1;
}
if (year.empty())
{
// MMDD format. assume current year
time_t calender_time;
struct tm todays_date;
calender_time = time(NULL);
localtime_r(&calender_time, &todays_date);
y = todays_date.tm_year + 1900;
}
else
{
y = atoi(year.c_str());
}
m = atoi(month.c_str());
d = atoi(day.c_str());
h = atoi(hour.c_str());
minute = atoi(min.c_str());
s = atoi(sec.c_str());
ms = atoi(msec.c_str());
// if (!isDateValid(d, m, y))
// return -1;
if (!isDateValid(d, m, y) || !isDateTimeValid(h, minute, s, ms))
return -1;
aday.year = y;
aday.month = m;
aday.day = d;
return getUInt32LE((const char*)&aday);
}
/* This is really painful and expensive b/c it seems the input is not normalized or
sanitized. That should really be done on ingestion. */
int64_t DataConvert::intToDatetime(int64_t data, bool* date)
{
bool isDate = false;
char buf[21] = {0};
DateTime adaytime;
if (data == 0)
{
adaytime.year = 0;
adaytime.month = 0;
adaytime.day = 0;
adaytime.hour = 0;
adaytime.minute = 0;
adaytime.second = 0;
adaytime.msecond = 0;
if (date)
*date = true;
return getUInt64LE((const char*)&adaytime);
}
// this snprintf call causes a compiler warning b/c we're potentially copying a 20-digit #
// into 15 bytes, however, that appears to be intentional.
#if defined(__GNUC__) && __GNUC__ >= 7
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-truncation="
snprintf(buf, 15, "%llu", (long long unsigned int)data);
#pragma GCC diagnostic pop
#else
snprintf(buf, 15, "%llu", (long long unsigned int)data);
#endif
// string date = buf;
string year, month, day, hour, min, sec, msec;
int64_t y = 0, m = 0, d = 0, h = 0, minute = 0, s = 0, ms = 0;
switch (strlen(buf))
{
case 14:
year = string(buf, 4);
month = string(buf + 4, 2);
day = string(buf + 6, 2);
hour = string(buf + 8, 2);
min = string(buf + 10, 2);
sec = string(buf + 12, 2);
break;
case 12:
year = string(buf, 2);
month = string(buf + 2, 2);
day = string(buf + 4, 2);
hour = string(buf + 6, 2);
min = string(buf + 8, 2);
sec = string(buf + 10, 2);
break;
case 10:
month = string(buf, 2);
day = string(buf + 2, 2);
hour = string(buf + 4, 2);
min = string(buf + 6, 2);
sec = string(buf + 8, 2);
break;
case 9:
month = string(buf, 1);
day = string(buf + 1, 2);
hour = string(buf + 3, 2);
min = string(buf + 5, 2);
sec = string(buf + 7, 2);
break;
case 8:
year = string(buf, 4);
month = string(buf + 4, 2);
day = string(buf + 6, 2);
isDate = true;
break;
case 6:
year = string(buf, 2);
month = string(buf + 2, 2);
day = string(buf + 4, 2);
isDate = true;
break;
case 4:
month = string(buf, 2);
day = string(buf + 2, 2);
break;
case 3:
month = string(buf, 1);
day = string(buf + 1, 2);
isDate = true;
break;
default: return -1;
}
if (year.empty())
{
// MMDD format. assume current year
time_t calender_time;
struct tm todays_date;
calender_time = time(NULL);
localtime_r(&calender_time, &todays_date);
y = todays_date.tm_year + 1900;
}
else
{
y = atoi(year.c_str());
// special handling for 2-byte year
if (year.length() == 2)
{
y += 2000;
if (y > 2069)
y -= 100;
}
}
m = atoi(month.c_str());
d = atoi(day.c_str());
h = atoi(hour.c_str());
minute = atoi(min.c_str());
s = atoi(sec.c_str());
ms = 0;
if (!isDateValid(d, m, y) || !isDateTimeValid(h, minute, s, ms))
return -1;
adaytime.year = y;
adaytime.month = m;
adaytime.day = d;
adaytime.hour = h;
adaytime.minute = minute;
adaytime.second = s;
adaytime.msecond = ms;
if (date)
*date = isDate;
return getUInt64LE((const char*)&adaytime);
}
/* This is really painful and expensive b/c it seems the input is not normalized or
sanitized. That should really be done on ingestion. */
int64_t DataConvert::intToTime(int64_t data, bool fromString)
{
char buf[21] = {0};
char* bufread = buf;
Time atime;
bool isNeg = false;
if (data == 0)
{
atime.hour = 0;
atime.minute = 0;
atime.second = 0;
atime.msecond = 0;
atime.is_neg = 0;
return getSInt64LE((const char*)&atime);
}
// this snprintf call causes a compiler warning b/c we're potentially copying a 20-digit #
// into 15 bytes, however, that appears to be intentional.
#if defined(__GNUC__) && __GNUC__ >= 7
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-truncation="
snprintf(buf, 15, "%lld", (long long int)data);
#pragma GCC diagnostic pop
#else
snprintf(buf, 15, "%lld", (long long int)data);
#endif
// string date = buf;
string hour, min, sec, msec;
int64_t h = 0, minute = 0, s = 0, ms = 0;
if (bufread[0] == '-')
{
isNeg = true;
bufread++;
}
bool zero = false;
switch (strlen(bufread))
{
// A full datetime
case 14:
hour = string(buf + 8, 2);
min = string(buf + 10, 2);
sec = string(buf + 12, 2);
break;
// Date so this is all 0
case 8: zero = true; break;
case 7:
hour = string(bufread, 3);
min = string(bufread + 3, 2);
sec = string(bufread + 5, 2);
break;
case 6:
hour = string(bufread, 2);
min = string(bufread + 2, 2);
sec = string(bufread + 4, 2);
break;
case 5:
hour = string(bufread, 1);
min = string(bufread + 1, 2);
sec = string(bufread + 3, 2);
break;
case 4:
min = string(bufread, 2);
sec = string(bufread + 2, 2);
break;
case 3:
min = string(bufread, 1);
sec = string(bufread + 1, 2);
break;
case 2: sec = string(bufread, 2); break;
case 1: sec = string(bufread, 1); break;
default: return -1;
}
if (!zero)
{
h = atoi(hour.c_str());
minute = atoi(min.c_str());
s = atoi(sec.c_str());
}
else if (fromString)
{
// Saturate fromString
h = 838;
minute = 59;
s = 59;
ms = 999999;
}
if (!isTimeValid(h, minute, s, 0))
return -1;
atime.hour = h;
atime.minute = minute;
atime.second = s;
atime.msecond = ms;
atime.is_neg = isNeg;
return getSInt64LE((const char*)&atime);
}
int64_t DataConvert::stringToTime(const utils::NullString& data)
{
return stringToTime(data.safeString(""));
}
int64_t DataConvert::stringToTime(const string& data)
{
// MySQL supported time value format 'D HHH:MM:SS.fraction'
// -34 <= D <= 34
// -838 <= H <= 838
uint64_t min = 0, sec = 0, msec = 0;
int64_t day = -1, hour = 0;
bool isNeg = false;
bool hasDate = false;
string time, hms, ms;
char* end = NULL;
size_t pos = data.find("-");
if (pos != string::npos)
{
isNeg = true;
}
if (data.substr(pos + 1, data.length() - pos - 1).find("-") != string::npos)
{
// A second dash, this has a date
hasDate = true;
isNeg = false;
}
// Day
pos = data.find(" ");
if (pos != string::npos)
{
if (!hasDate)
{
std::string tmpDataSegment = data.substr(0, pos);
day = strtol(tmpDataSegment.c_str(), &end, 10);
if (*end != '\0')
return -1;
hour = day * 24;
day = -1;
}
time = data.substr(pos + 1, data.length() - pos - 1);
}
else
{
time = data;
}
if (time.find(":") == string::npos)
{
if (hasDate)
{
// Has dashes, no colons. This is just a date!
// Or the length < 6 (MariaDB returns NULL)
return -1;
}
else
{
// This is an int time
return intToTime(atoll(time.c_str()), true);
}
}
// Fraction
pos = time.find(".");
if (pos != string::npos)
{
msec = strtoll(time.substr(pos + 1, time.length() - pos - 1).c_str(), 0, 10);
hms = time.substr(0, pos);
}
else
{
hms = time;
}
// HHH:MM:SS
pos = hms.find(":");
if (pos == string::npos)
{
if (hour >= 0)
hour += atoi(hms.c_str());
else
hour -= atoi(hms.c_str());
}
else
{
if (hour >= 0)
hour += atoi(hms.substr(0, pos).c_str());
else
hour -= atoi(hms.substr(0, pos).c_str());
ms = hms.substr(pos + 1, hms.length() - pos - 1);
}
// MM:SS
pos = ms.find(":");
if (pos != string::npos)
{
min = atoi(ms.substr(0, pos).c_str());
sec = atoi(ms.substr(pos + 1, ms.length() - pos - 1).c_str());
}
else
{
min = atoi(ms.c_str());
}
Time atime;
atime.day = day;
atime.hour = hour;
atime.minute = min;
atime.second = sec;
atime.msecond = msec;
atime.is_neg = isNeg;
return getSInt64LE((const char*)&atime);
}
void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& unionedType,
const datatypes::SystemCatalog::TypeHolderStd& type, unsigned int& rc)
{
// limited support for VARBINARY, no implicit conversion.
if (type.colDataType == datatypes::SystemCatalog::VARBINARY ||
unionedType.colDataType == datatypes::SystemCatalog::VARBINARY)
{
if (type.colDataType != unionedType.colDataType || type.colWidth != unionedType.colWidth)
throw runtime_error("VARBINARY in UNION must be the same width.");
}
switch (type.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
{
if (type.scale != 0 && (unionedType.scale != 0 || isDecimal(unionedType.colDataType)))
{
const unsigned int digitsBeforeDecimal = type.precision - type.scale;
const unsigned int digitsBeforeDecimalUnion = unionedType.precision - unionedType.scale;
if ((std::max(digitsBeforeDecimal, digitsBeforeDecimalUnion) +
std::max(type.scale, unionedType.scale)) > datatypes::INT128MAXPRECISION)
{
rc = logging::ERR_UNION_DECIMAL_OVERFLOW;
return;
}
}
// Handle the scenario where the upstream code assigns special values of 9999
// and -1 as the precision of the unionedType.
if ((unionedType.precision == 9999 || unionedType.precision == -1) &&
(type.precision != 9999 && type.precision != -1))
{
unionedType.precision = type.precision;
}
else
{
unionedType.precision = std::max(type.precision, unionedType.precision);
}
unionedType.scale = std::max(type.scale, unionedType.scale);
if (datatypes::Decimal::isWideDecimalTypeByPrecision(unionedType.precision))
{
unionedType.colDataType = datatypes::SystemCatalog::DECIMAL;
unionedType.colWidth = datatypes::MAXDECIMALWIDTH;
break;
}
if (type.colDataType == unionedType.colDataType)
{
if (type.colWidth > unionedType.colWidth)
unionedType.colWidth = type.colWidth;
}
else if (sameSignednessInteger(unionedType.colDataType, type.colDataType))
{
// Keep the signedness on the larger data type.
if (type.colWidth > unionedType.colWidth)
{
unionedType.colDataType = type.colDataType;
unionedType.colWidth = type.colWidth;
}
}
else if (differentSignednessInteger(unionedType.colDataType, type.colDataType))
{
// unionedType must be signed integer with upcasted size to prevent overflow & underflow.
if (type.colWidth > unionedType.colWidth)
unionedType.colDataType = type.colDataType;
promoteSignedInteger(unionedType);
}
if (isDecimal(type.colDataType))
{
unionedType.colDataType = datatypes::SystemCatalog::DECIMAL;
}
break;
}
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::TIME:
case datatypes::SystemCatalog::DATETIME:
case datatypes::SystemCatalog::TIMESTAMP:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 20)
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 21)
unionedType.colWidth = 21;
break;
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
default: break;
}
break;
}
case datatypes::SystemCatalog::DATE:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 10)
unionedType.colWidth = 10;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 11)
unionedType.colWidth = 11;
break;
case datatypes::SystemCatalog::DATE:
case datatypes::SystemCatalog::DATETIME:
case datatypes::SystemCatalog::TIMESTAMP:
case datatypes::SystemCatalog::TIME:
default: break;
}
break;
}
case datatypes::SystemCatalog::DATETIME:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::TIME:
case datatypes::SystemCatalog::LONGDOUBLE:
case datatypes::SystemCatalog::TIMESTAMP:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::DATETIME;
unionedType.colWidth = type.colWidth;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 26)
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 27)
unionedType.colWidth = 27;
break;
case datatypes::SystemCatalog::DATETIME:
default: break;
}
break;
}
case datatypes::SystemCatalog::TIMESTAMP:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::TIME:
case datatypes::SystemCatalog::DATETIME:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::TIMESTAMP;
unionedType.colWidth = type.colWidth;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 26)
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 27)
unionedType.colWidth = 27;
break;
case datatypes::SystemCatalog::TIMESTAMP:
default: break;
}
break;
}
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::DATETIME:
case datatypes::SystemCatalog::TIMESTAMP:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 20)
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 21)
unionedType.colWidth = 21;
break;
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
unionedType.colDataType = datatypes::SystemCatalog::DOUBLE;
unionedType.scale = 0;
unionedType.colWidth = sizeof(double);
break;
default: break;
}
break;
}
case datatypes::SystemCatalog::LONGDOUBLE:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::DATETIME:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.scale = 0;
unionedType.colWidth = 26;
break;
case datatypes::SystemCatalog::CHAR:
if (unionedType.colWidth < 20)
unionedType.colWidth = 20;
break;
case datatypes::SystemCatalog::VARCHAR:
if (unionedType.colWidth < 21)
unionedType.colWidth = 21;
break;
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
unionedType.colDataType = datatypes::SystemCatalog::LONGDOUBLE;
unionedType.scale = (type.scale > unionedType.scale) ? type.scale : unionedType.scale;
unionedType.colWidth = sizeof(long double);
unionedType.precision = -1;
break;
default: break;
}
break;
}
case datatypes::SystemCatalog::CHAR:
case datatypes::SystemCatalog::VARCHAR:
{
switch (unionedType.colDataType)
{
case datatypes::SystemCatalog::TINYINT:
case datatypes::SystemCatalog::SMALLINT:
case datatypes::SystemCatalog::MEDINT:
case datatypes::SystemCatalog::INT:
case datatypes::SystemCatalog::BIGINT:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::FLOAT:
case datatypes::SystemCatalog::DOUBLE:
case datatypes::SystemCatalog::UTINYINT:
case datatypes::SystemCatalog::USMALLINT:
case datatypes::SystemCatalog::UMEDINT:
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
unionedType.scale = 0;
unionedType.colWidth = (type.colWidth > 20) ? type.colWidth : 20;
break;
case datatypes::SystemCatalog::DATE:
unionedType.colWidth = (type.colWidth > 10) ? type.colWidth : 10;
break;
case datatypes::SystemCatalog::DATETIME:
case datatypes::SystemCatalog::TIMESTAMP:
unionedType.colWidth = (type.colWidth > 26) ? type.colWidth : 26;
break;
case datatypes::SystemCatalog::CHAR:
case datatypes::SystemCatalog::VARCHAR:
// VARCHAR will fit in CHAR of the same width
if (unionedType.colWidth < type.colWidth)
unionedType.colWidth = type.colWidth;
break;
default: break;
}
// MariaDB bug 651. Setting to CHAR broke union in subquery
unionedType.colDataType = datatypes::SystemCatalog::VARCHAR;
break;
}
default:
{
break;
}
} // switch
}
} // namespace dataconvert
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