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Merging upstream version 6.3.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 14:45:11 +01:00
parent 81e6900b0a
commit 393757f998
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
41 changed files with 1558 additions and 267 deletions

View file

@ -118,13 +118,22 @@ def _serial_to_generated(expression):
return expression
def _to_timestamp(args):
# TO_TIMESTAMP accepts either a single double argument or (text, text)
if len(args) == 1 and args[0].is_number:
# https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TABLE
return exp.UnixToTime.from_arg_list(args)
# https://www.postgresql.org/docs/current/functions-formatting.html
return format_time_lambda(exp.StrToTime, "postgres")(args)
class Postgres(Dialect):
null_ordering = "nulls_are_large"
time_format = "'YYYY-MM-DD HH24:MI:SS'"
time_mapping = {
"AM": "%p",
"PM": "%p",
"D": "%w", # 1-based day of week
"D": "%u", # 1-based day of week
"DD": "%d", # day of month
"DDD": "%j", # zero padded day of year
"FMDD": "%-d", # - is no leading zero for Python; same for FM in postgres
@ -172,7 +181,7 @@ class Postgres(Dialect):
FUNCTIONS = {
**Parser.FUNCTIONS,
"TO_TIMESTAMP": format_time_lambda(exp.StrToTime, "postgres"),
"TO_TIMESTAMP": _to_timestamp,
"TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
}
@ -211,4 +220,5 @@ class Postgres(Dialect):
exp.TableSample: no_tablesample_sql,
exp.Trim: _trim_sql,
exp.TryCast: no_trycast_sql,
exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
}