libzdb-general

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147 discussions

[Announce] libzdb 2.6
by Jan-Henrik Haukeland 03 Jul '09

03 Jul '09

Version 2.6 of Zild Database Library is available: Download: http://www.tildeslash.com/libzdb/dist/libzdb-2.6.tar.gz MD5 checksum: 54eef941f130768d2d0a311873550e25 libzdb-2.6.tar.gz Change log: http://www.tildeslash.com/libzdb/dist/CHANGES.txt This is a feature and bug fix release which has been tested on the following platforms: * Linux 2.6 (x86 and x64) * Mac OS X Leopard (Darwin 10.5.x x86/ppc) * FreeBSD 6.x and 7.x (x86 and x64) * Solaris 10 and Solaris Express (sparc/x86) * OpenBSD 4.x (x64) Release notes: -------------- 1) This release greatly improves upon SQLite concurrency. We have tested libzdb with SQLite using up to 300 concurrent threads without experiencing lock problems. To achieve this, we use the experimental SQLite unlock notification API. To enable this API you need to first build and configure SQLite (version > 3.6.12) with the SQLITE_ENABLE_UNLOCK_NOTIFY preprocessor symbol like so: CFLAGS="$CFLAGS -DSQLITE_ENABLE_UNLOCK_NOTIFY" ./configure ... Then you need to enable this API in libzdb using the --enable- sqliteunlock configure switch when configuring and building libzdb. 2) For those using libzdb with the excellent DBMail (http://www.dbmail.org/ ) project it is strongly recommended to upgrade. This version of libzdb is tested by the DBMail project and should work with the latest DBMail release. Changes in this release: ------------------------ * Internal optimizing changes and improvements * Enable shared cache mode for SQLite >= 3.5 * Added new configure option --enable-sqliteunlock which enables SQLite unlock notification. This feature requires SQLite >= 3.6.12 compiled with the SQLITE_ENABLE_UNLOCK_NOTIFY C-preprocessor symbol. This option greately improves upon SQLite concurrency when libzdb and SQLite is used from a multi-threaded program. * Removed deprecated ResultSet_readData() from API Bug fixes: * PostgreSQL: Unescape values retrieved via ResultSet_getBlob() and via ResultSet_getBlobByName(). By an incurie, unescape was left out of libzdb version 2.5.

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error in the configure script
by Gustavo Baratto 15 Apr '09

15 Apr '09

Hello there... I got this error in the configure script on 2.5: # ./configure --prefix=/opt/libzdb-2.5 --with-mysql=/opt/mysql/bin/mysql_config --without-postgresql --without-sqlite --enable-protected --enable-optimized checking for a BSD-compatible install... /usr/bin/ginstall -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... config/install-sh -c -d checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for style of include used by make... GNU checking dependency style of gcc... none checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/ggrep checking for egrep... /usr/bin/ggrep -E checking whether gcc needs -traditional... no checking for re2c... no checking for flex... /usr/bin/flex checking build system type... i386-pc-solaris2.11 checking host system type... i386-pc-solaris2.11 checking for a sed that does not truncate output... /usr/bin/gsed checking for ld used by gcc... /usr/ccs/bin/ld checking if the linker (/usr/ccs/bin/ld) is GNU ld... no checking for /usr/ccs/bin/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -p checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... none checking how to run the C++ preprocessor... g++ -E checking for g77... g77 checking whether we are using the GNU Fortran 77 compiler... yes checking whether g77 accepts -g... yes checking the maximum length of command line arguments... 786240 checking command to parse /usr/bin/nm -p output from gcc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC checking if gcc PIC flag -fPIC works... yes checking if gcc static flag -static works... no checking if gcc supports -c -o file.o... yes checking whether the gcc linker (/usr/ccs/bin/ld) supports shared libraries... yes checking whether -lc should be explicitly linked in... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... no checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes configure: creating libtool appending configuration tag "CXX" to libtool checking for ld used by g++... /usr/ccs/bin/ld checking if the linker (/usr/ccs/bin/ld) is GNU ld... no checking whether the g++ linker (/usr/ccs/bin/ld) supports shared libraries... yes checking for g++ option to produce PIC... -fPIC checking if g++ PIC flag -fPIC works... yes checking if g++ static flag -static works... no checking if g++ supports -c -o file.o... yes checking whether the g++ linker (/usr/ccs/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate appending configuration tag "F77" to libtool checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking for g77 option to produce PIC... -fPIC checking if g77 PIC flag -fPIC works... yes checking if g77 static flag -static works... no checking if g77 supports -c -o file.o... yes checking whether the g77 linker (/usr/ccs/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate checking for pthread_create in -lpthread... yes checking for library containing crypt... none required checking for mysql... yes checking for /opt/mysql/bin/mysql_config... yes checking mysql.h usability... yes checking mysql.h presence... yes checking for mysql.h... yes checking for mysql_init in -lmysqlclient... yes fail, >= 4.1 required checking for postgresql... no checking for SQLite3... no configure: error: No available database found or selected. Try configure --help I created this patch, and now I don't get the error anymore: # diff -bu configure configure.new --- configure Tue Apr 14 21:59:50 2009 +++ configure.new Tue Apr 14 21:59:22 2009 @@ -20331,7 +20331,7 @@ sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) -mysql="no" +mysql="yes" fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi -- g.

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[Announce] libzdb 2.5
by Jan-Henrik Haukeland 05 Apr '09

05 Apr '09

Version 2.5 of Zild Database Library is available: Download: http://www.tildeslash.com/libzdb/dist/libzdb-2.5.tar.gz MD5 checksum: cf9406ce6505e6265a07ada4990b6526 libzdb-2.5.tar.gz Change log: http://www.tildeslash.com/libzdb/dist/CHANGES.txt This is a minor feature and bug fix release which has been tested on the following platforms: Darwin 9.6.0 [x86] Linux FC/U [x86/x64] FreeBSD 6/7 [x86/x64] Changes in this release: * PostgreSQL: Blob retrieval optimized * PostgreSQL: Added unix-socket parameter to connection URL * Removed GPL license exceptions. The library is now licensed under the GPL version 3 only. * Deprecated ResultSet_readData(). This function _is_ useful for MySQL, but not for other drivers where it has some overhead. * Added GCC __attribute__ printf checks where applicable * Internal optimizing changes and improvements We expect this release to be stable for some time. Just a FYI if you plan to package this release.

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Is 2.5 PPC Mac OS X Compatible?
by Mike McGonagle 05 Apr '09

05 Apr '09

Hello, I was going through the 2.5 version hoping to install this on my Mac, and test some stuff out. But it appears from the annoucement email, that it only supports Intel Mac, is this true? or is there a ./configure option that would allow PPC compilation? Thanks, Mike

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Packaging for Fedora
by Bernard Johnson 02 Mar '09

02 Mar '09

Hello, I was trying to package libzdb for inclusion in Fedora. One concern that came up was the sonames generated with the version of libzdb as part of the soname. https://bugzilla.redhat.com/show_bug.cgi?id=474044#c4 Have you considered generating your sonames to reflect the ABI version of the package rather than tying it to the package version?

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unix sockets
by Paul J Stevens 02 Mar '09

02 Mar '09

Jan-Henrik, Is there a mechanism for connecting to postgresql through a unix socket? I see there is a 'unix-socket' query option for mysql, but what about pgsql? thanks, -- ________________________________________________________________ Paul Stevens paul at nfg.nl NET FACILITIES GROUP GPG/PGP: 1024D/11F8CD31 The Netherlands________________________________http://www.nfg.nl

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[Announce] libzdb 2.4
by Jan-Henrik Haukeland 16 Feb '09

16 Feb '09

Version 2.4 of Zild Database Library is available: Download: http://www.tildeslash.com/libzdb/dist/libzdb-2.4.tar.gz MD5 checksum: b4c4ba0090881d4714f7f3e56d6eadbd libzdb-2.4.tar.gz Change log: http://www.tildeslash.com/libzdb/dist/CHANGES.txt This is a minor feature and bug fix release which has been tested on the following platforms: Darwin 9.6.0 [x86] Linux FC/U [x86/x64] FreeBSD [x86] Changes in this release: * The configure options --with_mysql=<path> and --with_postgresql=<path> has a new meaning. If <path> is given it is assumed to be the full path to respectively mysql_config and to pg_config. Example: ./configure --with_mysql=/usr/local/mysql/bin/mysql_config ./configure --with_postgresql=/usr/local/pgsql/bin/pg_config * From version 2.4, libzdb places its header files into a zdb sub-directory as in, <prefix>/include/zdb. Clients must now use the include-dir compiler flag, -I<prefix>/include/zdb. * Internal optimizing changes and improvements * Changed prototypes of type 'extern void foo()' to 'extern void foo(void)' so the library compiles without warning if -Wstrict-prototype is used with gcc. Thanks to Paul Stevens Bug fixes: * Fixed off-by-one bug in Vector_remove * PostgreSQL: Fixed PostgresqlResultSet_getColumnSize to report correct value. * PostgreSQL: Improved error reporting and fixed potential allocation bugs in prepared statements. * PostgreSQL: Calling PreparedStatement_setString with a NULL value now works

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error in the configure script (No available database found or selected)
by Gustavo Baratto 20 Jan '09

20 Jan '09

Hello there... I'm getting a weird error saying no database was selected, even though the configure script seem to find mysql This is the full output of the configure script: opensolaris:~/src/libzdb-2.3# ./configure --prefix=/opt/libzdb-2.3 --with-mysql=/opt/mysql/ --without-postgresql --without-sqlite --enable-protected checking for a BSD-compatible install... /usr/bin/ginstall -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... config/install-sh -c -d checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for style of include used by make... GNU checking dependency style of gcc... none checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/ggrep checking for egrep... /usr/bin/ggrep -E checking whether gcc needs -traditional... no checking for re2c... no checking for flex... /usr/bin/flex checking build system type... i386-pc-solaris2.11 checking host system type... i386-pc-solaris2.11 checking for a sed that does not truncate output... /usr/bin/gsed checking for ld used by gcc... /usr/ccs/bin/ld checking if the linker (/usr/ccs/bin/ld) is GNU ld... no checking for /usr/ccs/bin/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -p checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... none checking how to run the C++ preprocessor... g++ -E checking for g77... g77 checking whether we are using the GNU Fortran 77 compiler... yes checking whether g77 accepts -g... yes checking the maximum length of command line arguments... 786240 checking command to parse /usr/bin/nm -p output from gcc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC checking if gcc PIC flag -fPIC works... yes checking if gcc static flag -static works... no checking if gcc supports -c -o file.o... yes checking whether the gcc linker (/usr/ccs/bin/ld) supports shared libraries... yes checking whether -lc should be explicitly linked in... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... no checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes configure: creating libtool appending configuration tag "CXX" to libtool checking for ld used by g++... /usr/ccs/bin/ld checking if the linker (/usr/ccs/bin/ld) is GNU ld... no checking whether the g++ linker (/usr/ccs/bin/ld) supports shared libraries... yes checking for g++ option to produce PIC... -fPIC checking if g++ PIC flag -fPIC works... yes checking if g++ static flag -static works... no checking if g++ supports -c -o file.o... yes checking whether the g++ linker (/usr/ccs/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate appending configuration tag "F77" to libtool checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking for g77 option to produce PIC... -fPIC checking if g77 PIC flag -fPIC works... yes checking if g77 static flag -static works... no checking if g77 supports -c -o file.o... yes checking whether the g77 linker (/usr/ccs/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... solaris2.11 ld.so checking how to hardcode library paths into programs... immediate checking for pthread_create in -lpthread... yes checking for mysql... checking mysql.h usability... yes checking mysql.h presence... yes checking for mysql.h... yes checking for postgresql... no checking for SQLite3... sqlite=no configure: error: No available database found or selected. Try configure --help Thanks for any help

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[Announce] libzdb 2.3
by Jan-Henrik Haukeland 05 Dec '08

05 Dec '08

Version 2.3 of Zild Database Library is available: Download: http://www.tildeslash.com/libzdb/dist/libzdb-2.3.tar.gz MD5 checksum: 62e16369e268e9280978d36343207e60 libzdb-2.3.tar.gz Change log: http://www.tildeslash.com/libzdb/dist/CHANGES.txt This is a minor feature release which has been tested on the following platforms: Darwin 9.5.0 [ppc/x86] Linux FC/U [x86/x64] FreeBSD [x86] Note, a few function signatures in public interfaces has been changed. Functions that can throw an exception on error, now just returns void. This is done to be consistent wrt error handling via exceptions. This means that existing client code may require modest refactoring if return values are checked. In addition, internal improvements has been done here and there. Changes in this release: Version 2.3 ----------- * Cleaned up API and changed function return type to void for those functions that can throw exception on error. * Support variable arguments in Connection_prepareStatement() to make it easy to build prepared statements in-place

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support for other databases
by Uwe Kiewel 04 Dec '08

04 Dec '08

Hi, do you plan to implement support for other databases? An interface to sqlrelay and/or DB2 would be fine. Kind regards, Uwe

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libzdb-general