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19e972d558
postgresql/src/include/catalog
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Tom Lane 19e972d558 Rethink node-level representation of partial-aggregation modes. 
The original coding had three separate booleans representing partial
aggregation behavior, which was confusing, unreadable, and error-prone,
not least because the booleans weren't always listed in the same order.
It was also inadequate for the allegedly-desirable future extension to
support intermediate partial aggregation, because we'd need separate
markers for serialization and deserialization in such a case.

Merge these bools into an enum "AggSplit" to provide symbolic names for
the supported operating modes (and document what those are).  By assigning
the values of the enum constants carefully, we can treat AggSplit values
as options bitmasks so that tests of what to do aren't noticeably more
expensive than before.

While at it, get rid of Aggref.aggoutputtype.  That's not needed since
commit 59a3795c2 got rid of setrefs.c's special-purpose Aggref comparison
code, and it likewise seemed more confusing than helpful.

Assorted comment cleanup as well (there's still more that I want to do
in that line).

catversion bump for change in Aggref node contents.  Should be the last
one for partial-aggregation changes.

Discussion: <29309.1466699160@sss.pgh.pa.us>
2016-06-26 14:33:38 -04:00
..
.gitignore
binary_upgrade.h Fix pg_upgrade to not fail when new-cluster TOAST rules differ from old. 2016-05-06 22:05:56 -04:00
catalog.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
catversion.h Rethink node-level representation of partial-aggregation modes. 2016-06-26 14:33:38 -04:00
dependency.h Support ALTER THING .. DEPENDS ON EXTENSION 2016-04-05 18:38:54 -03:00
duplicate_oids
genbki.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
heap.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
index.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
indexing.h Add new catalog called pg_init_privs 2016-04-06 21:45:32 -04:00
namespace.h Improve the situation for parallel query versus temp relations. 2016-06-09 20:16:11 -04:00
objectaccess.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
objectaddress.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
opfam_internal.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_aggregate.h Fix type-safety problem with parallel aggregate serial/deserialization. 2016-06-22 16:52:41 -04:00
pg_am.h Support CREATE ACCESS METHOD 2016-03-23 23:01:35 -03:00
pg_amop.h Introduce SP-GiST operator class over box. 2016-03-30 18:42:36 +03:00
pg_amproc.h Introduce SP-GiST operator class over box. 2016-03-30 18:42:36 +03:00
pg_attrdef.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_attribute.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_auth_members.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_authid.h Create default roles 2016-04-08 16:56:27 -04:00
pg_cast.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_class.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
pg_collation_fn.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_collation.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_constraint_fn.h Revert CREATE INDEX ... INCLUDING ... 2016-04-08 21:52:13 +03:00
pg_constraint.h Revert CREATE INDEX ... INCLUDING ... 2016-04-08 21:52:13 +03:00
pg_control.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
pg_conversion_fn.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_conversion.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_database.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_db_role_setting.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_default_acl.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_depend.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_description.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_enum.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_event_trigger.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_extension.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_foreign_data_wrapper.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_foreign_server.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_foreign_table.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_index.h Revert CREATE INDEX ... INCLUDING ... 2016-04-08 21:52:13 +03:00
pg_inherits_fn.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_inherits.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_init_privs.h Add new catalog called pg_init_privs 2016-04-06 21:45:32 -04:00
pg_language.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_largeobject_metadata.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_largeobject.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_namespace.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_opclass.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
pg_operator_fn.h Fix DROP OPERATOR to reset oprcom/oprnegate links to the dropped operator. 2016-03-25 12:33:16 -04:00
pg_operator.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
pg_opfamily.h Introduce SP-GiST operator class over box. 2016-03-30 18:42:36 +03:00
pg_pltemplate.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_policy.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_proc_fn.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_proc.h Fix type-safety problem with parallel aggregate serial/deserialization. 2016-06-22 16:52:41 -04:00
pg_range.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_replication_origin.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_rewrite.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_seclabel.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_shdepend.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_shdescription.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_shseclabel.h Make pg_shseclabel available in early backend startup 2016-01-05 14:50:53 -03:00
pg_statistic.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_tablespace.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_transform.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_trigger.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_ts_config_map.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_ts_config.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_ts_dict.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_ts_parser.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_ts_template.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_type_fn.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
pg_type.h pgindent run for 9.6 2016-06-09 18:02:36 -04:00
pg_user_mapping.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
storage_xlog.h pg_visibility: Add pg_truncate_visibility_map function. 2016-06-17 17:37:30 -04:00
storage.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
toasting.h Update copyright for 2016 2016-01-02 13:33:40 -05:00
unused_oids