Module datafusion::functions::datetime::expr_fn

Functions

• 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_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