pgsql-server/ oc/src/sgml/runtime.sgml rc/back ...

CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    02/11/20 19:42:20

Modified files:
    doc/src/sgml   : runtime.sgml
    src/backend/optimizer/path: costsize.c
    src/backend/optimizer/plan: createplan.c planmain.c planner.c
    src/backend/utils/misc: guc.c postgresql.conf.sample
    src/bin/psql   : tab-complete.c
    src/include/optimizer: cost.h planmain.h
    src/test/regress/expected: aggregates.out rangefuncs.out
                               rules.out select_having.out
                               select_having_1.out
                               select_implicit.out
                               select_implicit_1.out subselect.out
    src/test/regress/input: misc.source
    src/test/regress/output: misc.source
    src/test/regress/sql: aggregates.sql rules.sql select_having.sql
                          select_implicit.sql subselect.sql

Log message:
    Finish implementation of hashed aggregation.  Add enable_hashagg GUC
    parameter to allow it to be forced off for comparison purposes.
    Add ORDER BY clauses to a bunch of regression test queries that will
    otherwise produce randomly-ordered output in the new regime.