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< encoding.
> encoding. This requires using mblen() to determine if the
> backslash is inside or outside a multi-byte sequence.
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> o Add new version of PQescapeString() that doesn't double backslashes
> that are part of a client-only multibyte sequence
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> Single-quote is not a valid byte in any supported client-only
> encoding.
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> o Add new version of PQescapeString() that doesn't double
> backslashes when standard_conforming_strings is true and
> non-E strings are used
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> o Add reporting of the current WAL file, perhaps as part of
> partial log file archiving
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Backpatch.
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8.0), and add as suggestion to use log_min_error_statement for this
purpose. I also fixed the code so the first EXECUTE has it's prepare,
rather than the last which is what was in the current code. Also remove
"protocol" prefix for SQL EXECUTE output because it is not accurate.
Backpatch to 8.1.X.
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< o Update pg_dump and psql to use the new COPY libpq API (Christopher)
> o -Update pg_dump and psql to use the new COPY libpq API (Christopher)
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< o %Have pg_dump use multi-statement transactions for INSERT dumps
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entire table load.
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CREATE AGGREGATE aggname (input_type) (parameter_list)
along with the old syntax where the input type was named in the parameter
list. This fits more naturally with the way that the aggregate is identified
in DROP AGGREGATE and other utility commands; furthermore it has a natural
extension to handle multiple-input aggregates, where the basetype-parameter
method would get ugly. In fact, this commit fixes the grammar and all the
utility commands to support multiple-input aggregates; but DefineAggregate
rejects it because the executor isn't fixed yet.
I didn't do anything about treating agg(*) as a zero-input aggregate instead
of artificially making it a one-input aggregate, but that should be considered
in combination with supporting multi-input aggregates.
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> * -Re-enable the GUC full_page_writes in 8.2 when reliability issues have
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< multiple I/O channels simultaneously.
> multiple I/O channels simultaneously. One idea is to create a
> background reader that can pre-fetch sequential and index scan
> pages needed by other backends. This could be expanded to allow
> concurrent reads from multiple devices in a partitioned table.
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<P>The maximum table size, row size, and maximum number of columns
can be quadrupled by increasing the default block size to 32k. The
maximum table size can also be increased using table partitioning.</P>
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J.Kuwamura
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J.Kuwamura
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separate users).
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Victor Vislobokov
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< * Allow user-defined functions retuning a domain value to enforce domain
> * -Allow user-defined functions retuning a domain value to enforce domain
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* Re-enable the GUC full_page_writes in 8.2 when reliability issues have
been addressed
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> * Allow log_min_messages to be specified on a per-module basis
>
> This would allow administrators to see more detailed information from
> specific sections of the backend, e.g. checkpoints, autovacuum, etc.
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< * Experiment with multi-threaded backend [thread]
> * Experiment with multi-threaded backend for backend creation [thread]
1003a1004,1008
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> * Experiment with multi-threaded backend better resource utilization
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> This would allow a single query to make use of multiple CPU's or
> multiple I/O channels simultaneously.
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> * Allow the creation of indexes with mixed ascending/descending
> specifiers
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> This is possible now by creating an operator class with reversed sort
> operators. One complexity is that NULLs would then appear at the start
> of the result set, and this might affect certain sort types, like
> merge join.
>
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generated text files. Fix build of that file, too.
Put the text files in the right place during make dist, so there are no
extra manual steps required anymore.
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that apply the necessary domain constraint checks immediately. This fixes
cases where domain constraints went unchecked for statement parameters,
PL function local variables and results, etc. We can also eliminate existing
special cases for domains in places that had gotten it right, eg COPY.
Also, allow domains over domains (base of a domain is another domain type).
This almost worked before, but was disallowed because the original patch
hadn't gotten it quite right.
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functions are not strict, they will be called (passing a NULL first parameter)
during any attempt to input a NULL value of their datatype. Currently, all
our input functions are strict and so this commit does not change any
behavior. However, this will make it possible to build domain input functions
that centralize checking of domain constraints, thereby closing numerous holes
in our domain support, as per previous discussion.
While at it, I took the opportunity to introduce convenience functions
InputFunctionCall, OutputFunctionCall, etc to use in code that calls I/O
functions. This eliminates a lot of grotty-looking casts, but the main
motivation is to make it easier to grep for these places if we ever need
to touch them again.
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used within WAL files. Historically this was the same as the data file
BLCKSZ, but there's no necessary connection, and it's possible that
performance gains might ensue from reducing XLOG_BLCKSZ. In any case
distinguishing two symbols should improve code clarity. This commit
does not actually change the page size, only provide the infrastructure
to make it possible to do so. initdb forced because of addition of a
field to pg_control.
Mark Wong, with some help from Simon Riggs and Tom Lane.
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to fix regressions introduced in the recent patch adding additional
\connect options. This is based on work by Volkan YAZICI, although
this version of the patch doesn't bear much resemblance to Volkan's
version.
\connect takes 4 optional arguments: database name, user name, host
name, and port number. If any of those parameters are omitted or
specified as "-", the value of that parameter from the previous
connection is used instead; if there is no previous connection,
the libpq default is used. Note that this behavior makes it
impossible to reuse the libpq defaults without quitting psql and
restarting it; I don't really see the use case for needing to do
that.
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for REASSIGN OWNED and DROP OWNED.
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worked and someone asked about them, so we might as well document them.
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var_samp(), stddev_pop(), and stddev_samp(). var_samp() and stddev_samp()
are just renamings of the historical Postgres aggregates variance() and
stddev() -- the latter names have been kept for backward compatibility.
This patch includes updates for the documentation and regression tests.
The catversion has been bumped.
NB: SQL2003 requires that DISTINCT not be specified for any of these
aggregates. Per discussion on -patches, I have NOT implemented this
restriction: if the user asks for stddev(DISTINCT x), presumably they
know what they are doing.
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> * -Eventually enable escape_string_warning and standard_conforming_strings
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- new function justify_interval(interval)
- modified function justify_hours(interval)
- modified function justify_days(interval)
These functions are defined to meet the requirements as discussed in
this thread. Specifically:
- justify_hours makes certain the sign bit on the hours
matches the sign bit on the days. It only checks the
sign bit on the days, and not the months, when
determining if the hours should be positive or negative.
After the call, -24 < hours < 24.
- justify_days makes certain the sign bit on the days
matches the sign bit on the months. It's behavior does
not depend on the hours, nor does it modify the hours.
After the call, -30 < days < 30.
- justify_interval makes sure the sign bits on all three
fields months, days, and hours are all the same. After
the call, -24 < hours < 24 AND -30 < days < 30.
Mark Dilger
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Kevin Grittner
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> o Prevent parent tables from altering or dropping constraints
> like CHECK that are inherited by child tables
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> Dropping constraints should only be possible with CASCADE.
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