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Error suppression support for upcoming jsonpath .datetime() method

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Add support of error suppression in some date and time manipulation functions
as it's required for jsonpath .datetime() method support.  This commit doesn't
use PG_TRY()/PG_CATCH() in order to implement that.  Instead, it provides
internal versions of date and time functions used, which support error
suppression.

Discussion: https://postgr.es/m/CAPpHfdsZgYEra_PeCLGNoXOWYx6iU-S3wF8aX0ObQUcZU%2B4XTw%40mail.gmail.com
Author: Alexander Korotkov, Nikita Glukhov
Reviewed-by: Anastasia Lubennikova, Peter Eisentraut
This commit is contained in:
Alexander Korotkov
2019-09-25 21:51:47 +03:00
parent 66c74f8b6e
commit 5bc450629b
7 changed files with 480 additions and 221 deletions
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src/include/utils/timestamp.h
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@@ -97,6 +97,9 @@ extern int timestamp_cmp_internal(Timestamp dt1, Timestamp dt2);
/* timestamp comparison works for timestamptz also */
#define timestamptz_cmp_internal(dt1,dt2) timestamp_cmp_internal(dt1, dt2)
extern TimestampTz timestamp2timestamptz_opt_error(Timestamp timestamp,
bool *have_error);
extern int isoweek2j(int year, int week);
extern void isoweek2date(int woy, int *year, int *mon, int *mday);
extern void isoweekdate2date(int isoweek, int wday, int *year, int *mon, int *mday);