This defines a midnight_shots view and a log_midnight_shots() procedure
(with some overloads). The view returns all points straddling midnight
UTC and belonging to the same sequence (so last shot of the day and
first shot of the next day).
The procedure inserts the corresponding events (optionally constrained
by an earliest and a latest date) in the event log, unless the events
already exist.
Related to #223.
This redefines augment_event_data() to use interpolation rather than
nearest neighbour. It now takes an argument indicating the maximum
allowed interpolation timespan. An overload with a default of ten
minutes is also provided, as an in situ replacement for the previous
version.
The ten minute default is based on Triggerfish headers behaviour seen
on crew 248 during soft starts.
This defines a interpolate_geometry_from_tstamp(), taking a timestamp
and a maximum timespan in seconds. It will then interpolate a position
at the exact timestamp based on data from real_time_inputs, provided
that the effective interpolation timespan does not exceed the maximum
requested.
Fixes#243.
This defines a replace_placeholders() function, taking as arguments
a text string and either a timestamp or a sequence / point pair. It
uses the latter arguments to find metadata from which it can extract
relevant information and replace it into the text string wherever the
appropriate placeholders appear. For instance, given a call such as
replace_placeholders('The position is @POS@', NULL, 11, 2600) it will
replace '@POS@' with the position of point 2600 in sequence 11, if it
exists (or leave the placeholder untouched otherwise).
A scan_placeholders() procedure is also defined, which calls the above
function on the entire event log.
Fixes#229.
This adds event_position() and event_meta() functions which are used
to retrieve position or metadata, respectively, given either a timestamp
or a sequence / point pair. Intended to be used in the context of #229.
* Adds label_in_sequence() function
NOTE: This function is already defined in schema-template.sql but
seemingly never got pushed into production.
Fixes#211.
Drops the old event tables.
NOTE: consider not applying this patch until confident that
the migration has proceeded smoothly. Dougal can operate just
fine without it.
