pgsql: Add SQL Standard WITH ORDINALITY support for UNNEST (and any oth

Add SQL Standard WITH ORDINALITY support for UNNEST (and any other SRF)

Author: Andrew Gierth, David Fetter
Reviewers: Dean Rasheed, Jeevan Chalke, Stephen Frost

Branch
------
master

Details
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http://git.postgresql.org/pg/commitdiff/c62736cc37f6812d1ebb41ea5a86ffe60564a1f0

Modified Files
--------------
doc/src/sgml/func.sgml                   |   44 +-
doc/src/sgml/ref/select.sgml             |   47 +-
src/backend/access/common/tupdesc.c      |   34 +
src/backend/executor/nodeFunctionscan.c  |  176 +++++-
src/backend/nodes/copyfuncs.c            |    3 +
src/backend/nodes/equalfuncs.c           |    2 +
src/backend/nodes/makefuncs.c            |   32 +-
src/backend/nodes/outfuncs.c             |    3 +
src/backend/nodes/readfuncs.c            |    1 +
src/backend/optimizer/plan/createplan.c  |    7 +-
src/backend/optimizer/util/clauses.c     |    5 +
src/backend/parser/gram.y                |   28 +-
src/backend/parser/parse_relation.c      |  176 +++++-
src/backend/parser/parser.c              |    5 +-
src/backend/utils/adt/ruleutils.c        |    2 +
src/include/access/tupdesc.h             |    1 +
src/include/nodes/execnodes.h            |   10 +-
src/include/nodes/parsenodes.h           |   22 +-
src/include/nodes/plannodes.h            |    1 +
src/include/parser/kwlist.h              |    1 +
src/test/regress/expected/rangefuncs.out | 1002 +++++++++++++++++++++++++-----
src/test/regress/sql/rangefuncs.sql      |  233 ++++---
22 files changed, 1499 insertions(+), 336 deletions(-)