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add support for parsing timestamp with both letter 'T' and whitespace as timezone indicator

This commit is contained in:
Ganlin Zhao 2021-07-29 09:41:47 +08:00
parent 958be012af
commit 1b5a449210
1 changed files with 15 additions and 4 deletions
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19
src/os/src/detail/osTime.c
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@ -82,7 +82,7 @@ void deltaToUtcInitOnce() {
}
static int64_t parseFraction(char* str, char** end, int32_t timePrec);
static int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec);
static int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec, char delim);
static int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec);
static int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec);
@ -96,7 +96,9 @@ int32_t taosGetTimestampSec() { return (int32_t)time(NULL); }
int32_t taosParseTime(char* timestr, int64_t* time, int32_t len, int32_t timePrec, int8_t day_light) {
/* parse datatime string in with tz */
if (strnchr(timestr, 'T', len, false) != NULL) {
return parseTimeWithTz(timestr, time, timePrec);
return parseTimeWithTz(timestr, time, timePrec, 'T');
} else if (strnchr(timestr, ' ', len, false) != NULL) {
return parseTimeWithTz(timestr, time, timePrec, ' ');
} else {
return (*parseLocaltimeFp[day_light])(timestr, time, timePrec);
}
@ -213,14 +215,23 @@ int32_t parseTimezone(char* str, int64_t* tzOffset) {
* 2013-04-12T15:52:01+0800
* 2013-04-12T15:52:01.123+0800
*/
int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec) {
int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec, char delim) {
int64_t factor = (timePrec == TSDB_TIME_PRECISION_MILLI) ? 1000 :
(timePrec == TSDB_TIME_PRECISION_MICRO ? 1000000 : 1000000000);
int64_t tzOffset = 0;
struct tm tm = {0};
char* str = strptime(timestr, "%Y-%m-%dT%H:%M:%S", &tm);
char* str;
if (delim == 'T') {
str = strptime(timestr, "%Y-%m-%dT%H:%M:%S", &tm);
} else if (delim == ' ') {
str = strptime(timestr, "%Y-%m-%d%n%H:%M:%S", &tm);
} else {
str = NULL;
}
if (str == NULL) {
return -1;
}