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Add min and max aggregates for composite types (records).

author Tom Lane <tgl@sss.pgh.pa.us>

2024年7月11日 15:50:50 +0000 (11:50 -0400)

committer Tom Lane <tgl@sss.pgh.pa.us>

2024年7月11日 15:50:50 +0000 (11:50 -0400)

commit a0f1fce80c0373c16b22a1bdc9b0b61958fc9b6a

tree 5bd3bf2c2ad8ba6238dc28f1d2bf4b707e3dccb8 tree

parent bb19b70081e2248f242cd00227abff5b1e105eb6 commit | diff

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

doc/src/sgml/func.sgml diff | blob | blame | history

src/backend/utils/adt/rowtypes.c diff | blob | blame | history

src/include/catalog/catversion.h diff | blob | blame | history

src/include/catalog/pg_aggregate.dat diff | blob | blame | history

src/include/catalog/pg_proc.dat diff | blob | blame | history

src/test/regress/expected/aggregates.out diff | blob | blame | history

src/test/regress/sql/aggregates.sql diff | blob | blame | history

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