tbool_at_value tbool_minus_value tbool_value_at_timestamp temporal_at_max temporal_at_min temporal_at_period temporal_at_periodset temporal_at_timestamp temporal_at_timestampset temporal_at_values temporal_minus_max temporal_minus_min temporal_minus_period temporal_minus_periodset temporal_minus_timestamp temporal_minus_timestampset temporal_minus_values tfloat_at_value tfloat_minus_value tfloat_value_at_timestamp tint_at_value tint_minus_value tint_value_at_timestamp tnumber_at_span tnumber_at_spanset tnumber_at_tbox tnumber_minus_span tnumber_minus_spanset tnumber_minus_tbox tpoint_at_geometry tpoint_at_stbox tpoint_at_value tpoint_minus_geometry tpoint_minus_stbox tpoint_minus_value tpoint_value_at_timestamp ttext_at_value ttext_minus_value ttext_value_at_timestamp

temporal_at_period() Temporal * temporal_at_period ( const Temporal *  temp, const Span *  p  ) Restrict a temporal value to a period. SQL Function: atTime()