and should do now that we control our own destiny for timezone handling,
but this commit gets the bulk of the picayune diffs in place.
Magnus Hagander and Tom Lane.
> * Support composite types as table columns
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< * Python
< o Allow users to register their own types with pg_
< o Allow SELECT to return a dictionary of dictionaries
< o Allow COPY BINARY FROM
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< * Support composite types as table columns
< Bracketed items "[]" have more detailed.
> Bracketed items "[]" have more detail.
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< * Remove unreferenced table files and temp tables during database vacuum
< or postmaster startup (Bruce)
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< * Allow pg_dump to dump sequences using NO_MAXVALUE and NO_MINVALUE
> * -Allow pg_dump to dump sequences using NO_MAXVALUE and NO_MINVALUE
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< * Prevent whole-row references from leaking memory, e.g. SELECT COUNT(tab.*)
> * -Prevent whole-row references from leaking memory, e.g. SELECT COUNT(tab.*)
76c74
< * Make LENGTH() of CHAR() not count trailing spaces
> * -Make LENGTH() of CHAR() not count trailing spaces
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< * Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8,
> * -Allow SELECT * FROM tab WHERE int2col = 4 to use int2col index, int8,
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< * Allow more ISOLATION LEVELS to be accepted, but issue a warning for them
> * -Allow more ISOLATION LEVELS to be accepted
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< * Add GUC setting to make created tables default to WITHOUT OIDS
> * -Add GUC setting to make created tables default to WITHOUT OIDS
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< * Allow fastpast to pass values in portable format
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< * Move psql backslash database information into the backend, use nmumonic
> * Move psql backslash database information into the backend, use nmeumonic
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< * JDBC
< o Comprehensive test suite. This may be available already.
< o JDBC-standard BLOB support
< o Error Codes (pending backend implementation)
< o Support both 'make' and 'ant'
< o Fix LargeObject API to handle OIDs as unsigned ints
< o Use cursors implicitly to avoid large results (see setCursorName())
< o Add LISTEN/NOTIFY support to the JDBC driver (Barry)
<
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< * Have pg_dump -c clear the database using dependency information
> * -Have pg_dump -c clear the database using dependency information
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< * Cache last known per-tuple offsets to speed long tuple access
< * Automatically place fixed-width, NOT NULL columns first in a table
> * Cache last known per-tuple offsets to speed long tuple access, adjusting
> for NULLs and TOAST values
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< * Change representation of whole-tuple parameters to functions
> * -Change representation of whole-tuple parameters to functions
> * Support composite types as table columns
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< * Allow the regression tests to start postmaster with -i so the tests
< can be run on systems that don't support unix-domain sockets
a variant of the function for the 'numeric' datatype; it would be possible
to add additional variants for other datatypes, but I haven't done so yet.
This commit includes regression tests and minimal documentation; if we
want developers to actually use this function in applications, we'll
probably need to document what it does more fully.
rather than allowing them only in a few special cases as before. In
particular you can now pass a ROW() construct to a function that accepts
a rowtype parameter. Internal generation of RowExprs fixes a number of
corner cases that used to not work very well, such as referencing the
whole-row result of a JOIN or subquery. This represents a further step in
the work I started a month or so back to make rowtype values into
first-class citizens.
o -ALTER TABLE ADD COLUMN does not honor DEFAULT and non-CHECK CONSTRAINT
o -ALTER TABLE ADD COLUMN column DEFAULT should fill existing
rows with DEFAULT value
o -Allow ALTER TABLE to modify column lengths and change to binary
compatible types
Remove:
o Allow columns to be reordered using ALTER ... POSITION i col1 [,col2];
have SELECT * and INSERT honor such ordering
* ALTER ... ADD COLUMN with defaults and NOT NULL constraints works per SQL
spec. A default is implemented by rewriting the table with the new value
stored in each row.
* ALTER COLUMN TYPE. You can change a column's datatype to anything you
want, so long as you can specify how to convert the old value. Rewrites
the table. (Possible future improvement: optimize no-op conversions such
as varchar(N) to varchar(N+1).)
* Multiple ALTER actions in a single ALTER TABLE command. You can perform
any number of column additions, type changes, and constraint additions with
only one pass over the table contents.
Basic documentation provided in ALTER TABLE ref page, but some more docs
work is needed.
Original patch from Rod Taylor, additional work from Tom Lane.
Regression tests and documentation have both been updated.
SQL2003 requires that both ceiling() and ceil() be present, so I have
documented both spellings. SQL2003 doesn't mention pow() as far as I
can see, so I decided to replace pow() with power() in the documentation:
there is little reason to encourage the continued usage of a function
that isn't compliant with the standard, given a standard-compliant
alternative.
RELEASE NOTES: should state that pow() is considered deprecated
(although I don't see the need to ever remove it.)
Tom Lane
Bruce Momjian
Neil Conway