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119 lines
3.6 KiB
Plaintext
119 lines
3.6 KiB
Plaintext
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* Beta and Release Candidate (RC) changes
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o configure.in and configure
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o src/include/pg_config.h.win32
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* Version numbers
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o configure.in, and run autoconf or update configure
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o doc/bug.template
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o bump interface version numbers
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- src/interfaces/*/Makefile (major releases only)
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- src/interfaces/libpq/libpq.rc (major and minor releases)
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- src/include/pg_config.h.win32 (major and minor releases)
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- port/win32ver.rc (major and minor releases)
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* Release notes
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o scan cvs logs, use pgcvslog and flags in comments
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o update doc/src/sgml/release.sgml
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o run spellchecker on result
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o check that dashed items from the TODO list are complete
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o remove dashed TODO items
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o group items into categories
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o select major features
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o select incompatibilities
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o add comments for items
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o add SGML markup
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* Documentation
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document all new features
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update help output from inside the programs
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doc/src/sgml/ref manual pages
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* Ports
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update config.guess and config.sub at the start of beta
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update ports list in doc/src/sgml/installation.sgml
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update INSTALL
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platform-specific FAQ's, if needed
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* Update timezone data to match latest zic database (see src/timezone/README)
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* Update pg_upgrade to handle new version, or disable
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---------------------------------------------------------------------------
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Library Version Changes
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=======================
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Major Version
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=============
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The major version number should be updated whenever the source of the
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library changes to make it binary incompatible. Such changes include,
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but are not limited to:
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1. Removing a public function or structure (or typedef, enum, ...)
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2. Modifying a public functions arguments.
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3. Removing a field from a public structure.
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4. Adding a field to a public structure, unless steps have been
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previously taken to shield users from such a change, for example by
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such structures only ever being allocated/instantiated by a library
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function which would give the new field a suitable default value.
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Adding a new function would NOT force an increase in the major version
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number. When the major version is increased all applications which
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link to the library MUST be recompiled - this is not desirable. When
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the major version is updated the minor version gets reset.
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Minor Version
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=============
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The minor version number should be updated whenever the functionality
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of the library has changed, typically and change in source code
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between releases would mean an increase in the minor version number so
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long as it does not require a major version increase.
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Minimizing Changes
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==================
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When modifying public functions arguments, steps should be taken to
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maintain binary compatibility across minor PostgreSQL releases (e.g. the
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7.2 series, the 7.3 series, the 7.4/8.0 series). Consider the following
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function:
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void print_stuff(int arg1, int arg2)
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{
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printf("stuff: %d %d\n", arg1, arg2);
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}
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If we wanted to add a third argument:
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void print_stuff(int arg1, int arg2, int arg3)
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{
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printf("stuff: %d %d %d\n", arg1, arg2, arg3);
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}
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Then doing it like this:
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void print_stuff2(int arg1, int arg2, int arg3)
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{
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printf("stuff: %d %d %d\n", arg1, arg2, arg3);
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}
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void print_stuff(int arg1, int arg2)
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{
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print_stuff(arg1, arg2, 0);
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}
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would maintain binary compatibility. Obviously this would add a fair
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bit of cruft if used extensively, but considering the changes between
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minor versions would probably be worthwhile to avoid bumping library
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major version. Naturally in the next major version print_stuff() would
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assume the functionality and arguments of print_stuff2().
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Lee Kindness
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