don't scribble on tuple returned by table scan.

gcc does not complain about this mistake, but other compilers do.

was incorrectly used for both qsort and bsearch.

lists to join RTEs, attach a list of Vars and COALESCE expressions that will
replace the join's alias variables during planning.  This simplifies
flatten_join_alias_vars while still making it easy to fix up varno references
when transforming the query tree.  Add regression test cases for interactions
of subqueries with outer joins.

	- Fixed a typo in a comment printed by ecpg.

in quoting rules and recognition of implicit type coercions.

pg_database, pg_shadow, pg_group, all of which now have potentially-long
fields.  Along the way, get rid of SharedSystemRelationNames list: shared
rels are now identified in their include/pg_catalog/*.h files by a
BKI_SHARED_RELATION macro, while indexes and toast rels inherit sharedness
automatically from their parent table.  Fix some bugs with failure to detoast
pg_group.grolist during ALTER GROUP.

pg_hba.conf changes.

messages more uniform and internationalizable: the global array
aclcheck_error_strings[] is gone in favor of a subroutine
aclcheck_error().  Partial implementation of namespace-related
permission checks --- not all done yet.

divide backend/commands by object type, let's try to pay at least
minimal attention to respecting that structure, eh?  Also reorder the
contents of tablecmds.c; it seems odd to me to put ALTER commands before
creation/deletion commands.

> 	o Abort all SET changes made in an aborted transaction

Enable multibyte support by default. Note that this is the first cut,
and I'm gloing to remove #ifdef MULTIBYTE and others step by step...

Update has_table_privilege functions to cope with schema-qualified
names in the same way as nextval() and others.

> * Allow backslash handling in quoted strings to be disabled for portability

per pghackers discussion.  Add some more typsanity tests, and clean
up some problems exposed thereby (broken or missing array types for
some built-in types).  Also, clean up loose ends from unknownin/out
patch.

   by Marcelo Aceto <aceto@newinf.com.br> .

1) Wrong translations of embedded escape sequences inside outer join escape
sequences.
2) Wrong translation of parameter markers inside outer joins and function
escape sequences.
3) Bad concatenation of date, time, timestamp constants with next word in
statement:

any size now.

dynamically with PQExpBuffer.