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> * Allow statistics collector information to be pulled from the collector
> process directly, rather than requiring the collector to write a
> filesystem file twice a second?
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> * Add SQL99 WITH clause to SELECT
> * Add SQL99 WITH RECURSIVE to SELECT
< * Add SQL99 WITH clause to SELECT
< * Add SQL99 WITH RECURSIVE to SELECT
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> o Prevent tab completion of SET TRANSACTION from querying the
> database and therefore preventing the transaction isolation
> level from being set.
>
> Currently, SET <tab> causes a database lookup to check all
> supported session variables. This query causes problems
> because setting the transaction isolation level must be the
> first statement of a transaction.
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< * %Prevent INET cast to CIDR if the unmasked bits are not zero, or
< zero the bits
< * %Prevent INET cast to CIDR from dropping netmask, SELECT '1.1.1.1'::inet::cidr
> * -Zero umasked bits in conversion from INET cast to CIDR
> * -Prevent INET cast to CIDR from dropping netmask, SELECT '1.1.1.1'::inet::cidr
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and rely exclusively on the SQL type system to tell the difference between
the types. Prevent creation of invalid CIDR values via casting from INET
or set_masklen() --- both of these operations now silently zero any bits
to the right of the netmask. Remove duplicate CIDR comparison operators,
letting the type rely on the INET operators instead.
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suggestion a couple days ago. Fix some cases in which the documentation
neglected to mention any restriction on when a parameter can be set.
Try to be consistent about calling parameters parameters; use the term
option only for command-line switches.
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< o Allow an alias to be provided for the target table in
< UPDATE/DELETE
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< This is not SQL-spec but many DBMSs allow it.
<
> o -Allow an alias to be provided for the target table in
> UPDATE/DELETE (Neil)
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It's not related to whether an alias is used or not.
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and DELETE. If specified, the alias must be used instead of the full
table name. Also, the alias currently cannot be used in the SET clause
of UPDATE.
Patch from Atsushi Ogawa, various editorialization by Neil Conway.
Along the way, make the rowtypes regression test pass if add_missing_from
is enabled, and add a new (skeletal) regression test for DELETE.
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be consistent about whether it's called a daemon or a subprocess, and
don't describe the autovacuum setting in exactly the same way as the
stats_start_collector setting, because that leaves people thinking (if
they aren't paying close attention) that autovacuum can't be changed
on the fly.
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Continue to support GRANT ON [TABLE] for sequences for backward
compatibility; issue warning for invalid sequence permissions.
[Backward compatibility warning message.]
Add USAGE permission for sequences that allows only currval() and
nextval(), not setval().
Mention object name in grant/revoke warnings because of possible
multi-object operations.
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David Fetter
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can be optimized.
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column, OUT and INOUT added.
Guillaume LELARGE
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> o -Allow pooled connections to list all open WITH HOLD cursors
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cursors. Patch from Joachim Wieland, review and ediorialization by Neil
Conway. The view lists cursors defined by DECLARE CURSOR, using SPI, or
via the Bind message of the frontend/backend protocol. This means the
view does not list the unnamed portal or the portal created to implement
EXECUTE. Because we do list SPI portals, there might be more rows in
this view than you might expect if you are using SPI implicitly (e.g.
via a procedural language).
Per recent discussion on -hackers, the query string included in the
view for cursors defined by DECLARE CURSOR is based on
debug_query_string. That means it is not accurate if multiple queries
separated by semicolons are submitted as one query string. However,
there doesn't seem a trivial fix for that: debug_query_string
is better than nothing. I also changed SPI_cursor_open() to include
the source text for the portal it creates: AFAICS there is no reason
not to do this.
Update the documentation and regression tests, bump the catversion.
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can convey information to clients on constraint violation.
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an array of regtype, rather than an array of OIDs. This is likely to
be more useful to user, and the type OID can easily be obtained by
casting a regtype value to OID. Per suggestion from Tom.
Update the documentation and regression tests, and bump the catversion.
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data type is unspecified or is declared to be "unknown", the type will
be inferred from the context in which the parameter is used. This was
already possible for protocol-level prepared statements.
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permissions on the functions and operators contained in the opclass.
Since we already require superuser privilege to create an operator class,
there's no expansion-of-privilege hazard here, but if someone were to get
the idea of building an opclass containing functions that need security
restrictions, we'd better warn them off. Also, change the permission
checks from have-execute-privilege to have-ownership, and then comment
them all out since they're dead code anyway under the superuser restriction.
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type definition. Because use of a type's I/O conversion functions isn't
access-checked, CREATE TYPE amounts to granting public execute permissions
on the functions, and so allowing it to anybody means that someone could
theoretically gain access to a function he's not supposed to be able to
execute. The parameter-type restrictions already enforced by CREATE TYPE
make it fairly unlikely that this oversight is meaningful in practice,
but still it seems like a good idea to plug the hole going forward.
Also, document the implicit grant just in case anybody gets the idea of
building I/O functions that might need security restrictions.
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certainly. Per report from George Woodring.
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of the CREATE CONVERSION syntax, for consistency with the other SQL
reference pages.
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> * -Add sleep() function, remove from regress.c
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Replace the former ad-hoc implementation used in the regression tests.
Joachim Wieland
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< * %Allow pooled connections to list all prepared statements
> * -%Allow pooled connections to list all prepared statements
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access information about the prepared statements that are available
in the current session. Original patch from Joachim Wieland, various
improvements by Neil Conway.
The "statement" column of the view contains the literal query string
sent by the client, without any rewriting or pretty printing. This
means that prepared statements created via SQL will be prefixed with
"PREPARE ... AS ", whereas those prepared via the FE/BE protocol will
not. That is unfortunate, but discussion on -patches did not yield an
efficient way to improve this, and there is some merit in returning
exactly what the client sent to the backend.
Catalog version bumped, regression tests updated.
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>
> * Allow SERIAL sequences to inherit permissions from the base table?
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< stable logging probably can not have indexes. [wallog]
> stable logging probably can not have indexes. [walcontrol]
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< STABLE | DEFAULT ]. [wallog]
> STABLE | DEFAULT ]. Tables using non-default logging should not use
> referential integrity with default-logging tables, and tables using
> stable logging probably can not have indexes. [wallog]
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< the table. Another option is to avoid transaction logging entirely
< and truncate or drop the table on crash recovery. These should be
< implemented using ALTER TABLE, e.g. ALTER TABLE PERSISTENCE [ DROP |
< TRUNCATE | STABLE | DEFAULT ]. [wallog]
> the table. This would affect COPY, and perhaps INSERT/UPDATE too.
> Another option is to avoid transaction logging entirely and truncate
> or drop the table on crash recovery. These should be implemented
> using ALTER TABLE, e.g. ALTER TABLE PERSISTENCE [ DROP | TRUNCATE |
> STABLE | DEFAULT ]. [wallog]
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> * Allow control over which tables are WAL-logged
>
> Allow tables to bypass WAL writes and just fsync() dirty pages on
> commit. To do this, only a single writer can modify the table, and
> writes must happen only on new pages. Readers can continue accessing
> the table. Another option is to avoid transaction logging entirely
> and truncate or drop the table on crash recovery. These should be
> implemented using ALTER TABLE, e.g. ALTER TABLE PERSISTENCE [ DROP |
> TRUNCATE | STABLE | DEFAULT ]. [wallog]
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< * %Remove behavior of postmaster -o after making postmaster/postgres
< flags unique
> * %Remove behavior of postmaster -o
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http://archives.postgresql.org/pgsql-hackers/2006-01/msg00151.php for the
complete plan.
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> * -Remove BeOS and QNX-specific code
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