Module expr_fn
Source - current_date
- returns current UTC date as a Date32 value
- current_time
- returns current UTC time as a Time64 value
- date_bin
- coerces an arbitrary timestamp to the start of the nearest specified interval
- date_part
- extracts a subfield from the date
- date_trunc
- truncates the date to a specified level of precision
- from_unixtime
- converts an integer to RFC3339 timestamp format string
- make_date
- make a date from year, month and day component parts
- now
- returns the current timestamp in nanoseconds, using the same value for all instances of now() in same statement
- to_char
- Returns a string representation of a date, time, timestamp or duration based
on a Chrono pattern.
- to_date
- to_local_time
- converts a timezone-aware timestamp to local time (with no offset or timezone information), i.e. strips off the timezone from the timestamp
- to_timestamp
- converts a string and optional formats to a
Timestamp(Nanoseconds, None) - to_timestamp_micros
- converts a string and optional formats to a
Timestamp(Microseconds, None) - to_timestamp_millis
- converts a string and optional formats to a
Timestamp(Milliseconds, None) - to_timestamp_nanos
- converts a string and optional formats to a
Timestamp(Nanoseconds, None) - to_timestamp_seconds
- converts a string and optional formats to a
Timestamp(Seconds, None) - to_unixtime
- converts a string and optional formats to a Unixtime