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-$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.163.2.2 2002/11/11 20:02:06 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.163.2.3 2002/11/23 02:41:10 tgl Exp $
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<appendix id="release">
<term>Schemas</term>
<listitem>
<para>
- Schemas allow users to create objects in their own namespace
+ Schemas allow users to create objects in separate namespaces,
so two people or applications can have tables with the same
name. There is also a public schema for shared tables.
Table/index creation can be restricted by removing permissions
<listitem>
<para>
By default, functions can now take up to 32 parameters, and
- identifiers can be up to 63 bytes long.
+ identifiers can be up to 63 bytes long. Also, <literal>OPAQUE</>
+ is now deprecated: there are specific <quote>pseudo-datatypes</>
+ to represent each of the former meanings of <literal>OPAQUE</>
+ in function argument and result types.
</para>
</listitem>
</varlistentry>
<listitem>
<para>
Several <filename>postgresql.conf</filename> logging parameters
- have been renamed and improved.
+ have been renamed.
</para>
</listitem>
<listitem>
<para>
<command>INSERT</command> statements with column lists must
- specify all values; e.g., <literal>INSERT INTO tab (col1, col2)
- VALUES ('val1')</literal> is now invalid.
+ specify a value for each specified column. For example,
+ <literal>INSERT INTO tab (col1, col2) VALUES ('val1')</literal>
+ is now invalid. It's still allowed to supply fewer columns than
+ expected if the <command>INSERT</command> does not have a column list.
</para>
</listitem>
<listitem>
<para>
- An index is now not automatically created for <type>serial</type> columns.
+ <type>serial</type> columns are no longer automatically
+ <literal>UNIQUE</>; thus, an index will not automatically be
+ created.
</para>
</listitem>
<para>
<command>COPY</command> no longer considers missing trailing
columns to be null. All columns need to be specified.
+ (However, one may achieve a similar effect by specifying a
+ column list in the <command>COPY</command> command.)
</para>
</listitem>
<listitem>
<para>
The data type <type>timestamp</type> is now equivalent to
- <type>timestamp without timezone</type>, instead of
- <type>timestamp with timezone</type>.
+ <type>timestamp without time zone</type>, instead of
+ <type>timestamp with time zone</type>.
</para>
</listitem>
dependencies for <type>serial</type> columns, unique
constraints, and foreign keys. See the directory
<filename>contrib/adddepend/</filename> for a detailed
- description and a script that will add the such dependencies.
+ description and a script that will add such dependencies.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ An empty string (<literal>''</literal>) is no longer allowed as
+ the input into an integer field. Formerly, it was silently
+ interpreted as 0.
</para>
</listitem>
Speed improvement for large object restore (Mario Weilguni)
Mark expired index entries on first lookup, saving later heap fetches
(Tom)
-Eliminate NULL bitmap padding when not required (Manfred)
+Avoid excessive NULL bitmap padding (Manfred Koizar)
Add BSD-licensed qsort() for Solaris, for performance (Bruce)
Reduce per-row overhead by four bytes (Manfred Koizar)
Fix GEQO optimizer bug (Neil Conway)
Disable LIMIT #,# syntax; now only LIMIT # OFFSET # supported (Bruce)
Increase identifier length to 63 (Neil, Bruce)
UNION fixes for merging >= 3 columns of different lengths (Tom)
-Add DEFAULT keyword to INSERT, e.g., INSERT ... (..., DEFAULT, )
+Add DEFAULT keyword to INSERT, e.g., INSERT ... (..., DEFAULT, ...)
(Rod)
Allow views to have default values using ALTER COLUMN ... SET DEFAULT
(Neil)
<title>Object Manipulation</title>
<literallayout>
Make equals signs optional in CREATE DATABASE (Gavin Sherry)
-Make ALTER TABLE OWNER to change index ownership (Neil)
+Make ALTER TABLE OWNER change index ownership too (Neil)
New ALTER TABLE tabname ALTER COLUMN colname SET STORAGE controls
TOAST storage, compression (John Gray)
Add schema support, CREATE/DROP SCHEMA (Tom)
(Rod)
Rollback SET commands in aborted transactions (Tom)
EXPLAIN now outputs as a query (Tom)
-Display sort keys in EXPLAIN (Tom)
+Display condition expressions and sort keys in EXPLAIN (Tom)
Add 'SET LOCAL var = value' to set configuration variables for a
single transaction (Tom)
Allow ANALYZE to run in a transaction (Bruce)
<sect3>
<title>Internationalization</title>
<literallayout>
-Add additional encodings (Korean (JOHAB), Thai (WIN874), Vietnamese
+Add additional encodings: Korean (JOHAB), Thai (WIN874), Vietnamese
(TCVN), Arabic (WIN1256), Simplified Chinese (GBK), Korean (UHC)
(Eiji Tokuya)
Enable locale support by default (Peter)
Change PL/Tcl build to use configured compiler and Makefile.shlib
(Peter)
Overhaul the PL/pgSQL FOUND variable to be more Oracle-compatible
- (Tom, Neil)
+ (Neil, Tom)
Allow PL/pgSQL to handle quoted identifiers (Tom)
Allow set-returning PL/pgSQL functions (Neil)
Make PL/pgSQL schema-aware (Joe)
Add /contrib/tablefunc table function examples (Joe)
Add /contrib/ltree data type for tree structures (Teodor Sigaev,
Oleg Bartunov)
-Move /contrib/pg_controldata into main tree (Bruce)
+Move /contrib/pg_controldata, pg_resetxlog into main tree (Bruce)
Fixes to /contrib/cube (Bruno Wolff)
Improve /contrib/fulltextindex (Christopher)
</literallayout>
projects / thirdparty / postgresql.git / commitdiff
