Add min and max aggregates for composite types (records).
Like min/max for arrays, these are just thin wrappers around
the existing btree comparison function for records.
Aleksander Alekseev
Discussion: https://postgr.es/m/CAO=iB8L4WYSNxCJ8GURRjQsrXEQ2-zn3FiCsh2LMqvWq2WcONg@mail.gmail.com
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/a0f1fce80c0373c16b22a1bdc9b0b61958fc9b6a
Modified Files
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doc/src/sgml/func.sgml | 4 ++--
src/backend/utils/adt/rowtypes.c | 18 ++++++++++++++++++
src/include/catalog/catversion.h | 2 +-
src/include/catalog/pg_aggregate.dat | 6 ++++++
src/include/catalog/pg_proc.dat | 14 +++++++++++++-
src/test/regress/expected/aggregates.out | 25 +++++++++++++++++++++++++
src/test/regress/sql/aggregates.sql | 6 ++++++
7 files changed, 71 insertions(+), 4 deletions(-)