Re: patch: function xmltable

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Craig Ringer <craig(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: patch: function xmltable
Date: 2016-11-25 02:31:26
Message-ID: 20161125023126.whqdsnp6zl2obdtj@alvherre.pgsql
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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

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