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dbms: fixed error with formatting DateTime near begin of unix epoch; fixed error with toTime function when changing daylight saving time; fixed toTime function for non-Moscow time zones [#CONV-7755].

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This commit is contained in:
Alexey Milovidov 2013-06-01 04:58:52 +00:00
parent 2698537c59
commit 3673752d1b
2 changed files with 3 additions and 1 deletions
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2
dbms/include/DB/Functions/FunctionsDateTime.h
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@ -119,7 +119,7 @@ struct ToStartOfYearImpl
struct ToTimeImpl
{
/// При переводе во время, дату будем приравнивать к 1970-01-02.
static inline UInt32 execute(UInt32 t, Yandex::DateLUTSingleton & date_lut) { return t - date_lut.toDate(t) + 75600; }
static inline UInt32 execute(UInt32 t, Yandex::DateLUTSingleton & date_lut) { return date_lut.toTimeInaccurate(t) + 86400; }
static inline UInt32 execute(UInt16 d, Yandex::DateLUTSingleton & date_lut)
{
throw Exception("Illegal type Date of argument for function toTime", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);

2
libs/libcommon/src/DateLUT.cpp
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@ -40,5 +40,7 @@ namespace Yandex
if (lut[day].month == 1 && lut[day].day_of_month == 1)
years_lut[lut[day].year - DATE_LUT_MIN_YEAR] = day;
}
offset_at_start_of_epoch = 86400 - lut[findIndex(86400)].date;
}
}