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Tom Lane 7b8b8a4331 Improve representation of PlanRowMark. ... This patch fixes two inadequacies of the PlanRowMark representation. First, that the original LockingClauseStrength isn't stored (and cannot be inferred for foreign tables, which always get ROW_MARK_COPY). Since some PlanRowMarks are created out of whole cloth and don't actually have an ancestral RowMarkClause, this requires adding a dummy LCS_NONE value to enum LockingClauseStrength, which is fairly annoying but the alternatives seem worse. This fix allows getting rid of the use of get_parse_rowmark() in FDWs (as per the discussion around commits 462bd95705 and 8ec8760fc8), and it simplifies some things elsewhere. Second, that the representation assumed that all child tables in an inheritance hierarchy would use the same RowMarkType. That's true today but will soon not be true. We add an "allMarkTypes" field that identifies the union of mark types used in all a parent table's children, and use that where appropriate (currently, only in preprocess_targetlist()). In passing fix a couple of minor infelicities left over from the SKIP LOCKED patch, notably that _outPlanRowMark still thought waitPolicy is a bool. Catversion bump is required because the numeric values of enum LockingClauseStrength can appear in on-disk rules. Extracted from a much larger patch to support foreign table inheritance; it seemed worth breaking this out, since it's a separable concern. Shigeru Hanada and Etsuro Fujita, somewhat modified by me		11 years ago
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expected	Allow CHECK constraints to be placed on foreign tables.	12 years ago
sql	Allow CHECK constraints to be placed on foreign tables.	12 years ago
.gitignore	Add postgres_fdw contrib module.	13 years ago
Makefile	Fix SHLIB_PREREQS use in contrib, allowing PGXS builds	12 years ago
connection.c	Update copyright for 2015	12 years ago
deparse.c	Update copyright for 2015	12 years ago
option.c	Update copyright for 2015	12 years ago
postgres_fdw--1.0.sql	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.c	Improve representation of PlanRowMark.	11 years ago
postgres_fdw.control	Add postgres_fdw contrib module.	13 years ago
postgres_fdw.h	Update copyright for 2015	12 years ago