Re: patch: function xmltable

Michael Paquier wrote:

> Nit: I did not look at the patch in details,
> but I find the size of the latest version sent, 167kB, scary as it
> complicates review and increases the likeliness of bugs.

Here's the stat.  Note that removing the functionality as discussed
would remove all of xpath_parser.c but I think the rest of it remains
pretty much unchanged.  So it's clearly a large patch, but there are
large docs and tests too, not just code.

 doc/src/sgml/func.sgml               | 376 ++++++++++++++++++---
 src/backend/executor/execQual.c      | 335 +++++++++++++++++++
 src/backend/executor/execTuples.c    |  42 +++
 src/backend/nodes/copyfuncs.c        |  66 ++++
 src/backend/nodes/equalfuncs.c       |  51 +++
 src/backend/nodes/nodeFuncs.c        | 100 ++++++
 src/backend/nodes/outfuncs.c         |  51 +++
 src/backend/nodes/readfuncs.c        |  42 +++
 src/backend/optimizer/util/clauses.c |  33 ++
 src/backend/parser/gram.y            | 181 ++++++++++-
 src/backend/parser/parse_coerce.c    |  33 +-
 src/backend/parser/parse_expr.c      | 182 +++++++++++
 src/backend/parser/parse_target.c    |   7 +
 src/backend/utils/adt/Makefile       |   2 +-
 src/backend/utils/adt/ruleutils.c    | 100 ++++++
 src/backend/utils/adt/xml.c          | 610 +++++++++++++++++++++++++++++++++++
 src/backend/utils/adt/xpath_parser.c | 337 +++++++++++++++++++
 src/backend/utils/fmgr/funcapi.c     |  13 +
 src/include/executor/executor.h      |   1 +
 src/include/executor/tableexpr.h     |  69 ++++
 src/include/funcapi.h                |   1 -
 src/include/nodes/execnodes.h        |  31 ++
 src/include/nodes/nodes.h            |   4 +
 src/include/nodes/parsenodes.h       |  21 ++
 src/include/nodes/primnodes.h        |  40 +++
 src/include/parser/kwlist.h          |   3 +
 src/include/parser/parse_coerce.h    |   4 +
 src/include/utils/xml.h              |   2 +
 src/include/utils/xpath_parser.h     |  24 ++
 src/test/regress/expected/xml.out    | 415 ++++++++++++++++++++++++
 src/test/regress/expected/xml_1.out  | 323 +++++++++++++++++++
 src/test/regress/expected/xml_2.out  | 414 ++++++++++++++++++++++++
 src/test/regress/sql/xml.sql         | 170 ++++++++++
 33 files changed, 4019 insertions(+), 64 deletions(-)

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services