Thread: pgsql: Support for unnest(multirange)

pgsql: Support for unnest(multirange)

From
Alexander Korotkov
Date:
Support for unnest(multirange)

It has been spotted that multiranges lack of ability to decompose them into
individual ranges.  Subscription and proper expanded object representation
require substantial work, and it's too late for v14.  This commit
provides the implementation of unnest(multirange), which is quite trivial.
unnest(multirange) is defined as a polymorphic procedure.

Catversion is bumped.

Reported-by: Jonathan S. Katz
Discussion: https://postgr.es/m/flat/60258efe-bd7e-4886-82e1-196e0cac5433%40postgresql.org
Author: Alexander Korotkov
Reviewed-by: Justin Pryzby, Jonathan S. Katz, Zhihong Yu, Tom Lane
Reviewed-by: Alvaro Herrera

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/9e3c217bd98da803709872a8612577d88a39329a

Modified Files
--------------
doc/src/sgml/func.sgml                        | 23 +++++++++
src/backend/utils/adt/multirangetypes.c       | 73 +++++++++++++++++++++++++++
src/include/catalog/pg_proc.dat               |  4 ++
src/test/regress/expected/multirangetypes.out | 24 +++++++++
src/test/regress/sql/multirangetypes.sql      |  7 +++
5 files changed, 131 insertions(+)