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147 discussions

affected rows from PreparedStatement_execute?
by Paul J Stevens 04 Aug '13

04 Aug '13

Jan-Henrik, Is the a way to obtain the number of affected rows after executing a prepared statement, like there is for Connection_execute? -- ________________________________________________________________ Paul J Stevens pjstevns @ gmail, twitter, skype, linkedin * Premium Hosting Services and Web Application Consultancy * www.nfg.nl/info@nfg.nl/+31.85.877.99.97 ________________________________________________________________

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how to use ResultSet_Next()
by 马佳佳 10 Jul '13

10 Jul '13

hello! what we want to do is to insert table curenttimestamp (2013-01-01 12:00:00:111),and we can get the time from the table .we use oracle 11gr2. redhat I have two questions in using libzdb. i. while i debug my app ,the ResultSet_Next()返回false,i donot know why ii.how to get the time from table my code is just like : ResultSet_T r = Connection_executeQuery(con, "select TIME from bleach");//the bleach consist of only time,and time is timestamp while (ResultSet_next(r)) { printf("%s\n", ResultSet_getString(r, 1)); } Thanks everymuch! jiajiama

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re: libzdb-general Digest, Vol 43, Issue 8
by 马佳佳 27 Jun '13

27 Jun '13

Thank you very much !I Have solute my question as you told! -----邮件原件----- 发件人: libzdb-general-bounces(a)tildeslash.com [mailto:libzdb-general-bounces@tildeslash.com] 代表 libzdb-general-request(a)tildeslash.com 发送时间: 2013年6月26日 18:00 收件人: libzdb-general(a)tildeslash.com 主题: libzdb-general Digest, Vol 43, Issue 8 Send libzdb-general mailing list submissions to libzdb-general(a)tildeslash.com To subscribe or unsubscribe via the World Wide Web, visit http://www.tildeslash.com/mailman/listinfo/libzdb-general or, via email, send a message with subject or body 'help' to libzdb-general-request(a)tildeslash.com You can reach the person managing the list at libzdb-general-owner(a)tildeslash.com When replying, please edit your Subject line so it is more specific than "Re: Contents of libzdb-general digest..." Today's Topics: 1. ??: libzdb-general Digest, Vol 43, Issue 7 (???) 2. Re: ??: libzdb-general Digest, Vol 43, Issue 7 (Paul J Stevens) ---------------------------------------------------------------------- Message: 1 Date: Wed, 26 Jun 2013 14:51:15 +0800 From: ??? <hnxymjj(a)163.com> To: <libzdb-general(a)tildeslash.com> Subject: ??: libzdb-general Digest, Vol 43, Issue 7 Message-ID: <000001ce7239$8ef423b0$acdc6b10$@com> Content-Type: text/plain; charset="gb2312" Hello! Thank you very much for your help! The question I am contacting to him. However now I have another question: Now I am doing a project ,use qt and libzdb,but I donnot know how to use libzdb in the multi-thread environment . as I find the most time is the connectpool_start() ,and at the end of the thread I must call url_free() and connectpool_free .Is is right? I hope someone who can help me! Thx jiajiama -----????----- ???: libzdb-general-bounces(a)tildeslash.com [mailto:libzdb-general-bounces@tildeslash.com] ?? libzdb-general-request(a)tildeslash.com ????: 2013?6?25? 18:00 ???: libzdb-general(a)tildeslash.com ??: libzdb-general Digest, Vol 43, Issue 7 Send libzdb-general mailing list submissions to libzdb-general(a)tildeslash.com To subscribe or unsubscribe via the World Wide Web, visit http://www.tildeslash.com/mailman/listinfo/libzdb-general or, via email, send a message with subject or body 'help' to libzdb-general-request(a)tildeslash.com You can reach the person managing the list at libzdb-general-owner(a)tildeslash.com When replying, please edit your Subject line so it is more specific than "Re: Contents of libzdb-general digest..." Today's Topics: 1. Re: how to use libzdb in windows (Jan-Henrik Haukeland) ---------------------------------------------------------------------- Message: 1 Date: Mon, 24 Jun 2013 22:23:01 +0200 From: Jan-Henrik Haukeland <hauk(a)tildeslash.com> To: This is the libzdb general mailing list <libzdb-general(a)tildeslash.com> Subject: Re: how to use libzdb in windows Message-ID: <0D9D9A0D-FB18-4A60-961F-2426BCF275CC(a)tildeslash.com> Content-Type: text/plain; charset=GB2312 On Jun 24, 2013, at 6:44 AM, ??? <hnxymjj(a)163.com> wrote: > how can I compile the libzdb on windows and how can I use it! Can > you give me an example? Libzdb does not support Windows. However I see someone has done some "work" to port libzdb to Windows using MinGW, https://github.com/haiwen/libzdb. Maybe ask them? ------------------------------ _______________________________________________ libzdb-general mailing list libzdb-general(a)tildeslash.com http://www.tildeslash.com/mailman/listinfo/libzdb-general End of libzdb-general Digest, Vol 43, Issue 7 ********************************************* ------------------------------ Message: 2 Date: Wed, 26 Jun 2013 10:04:46 +0200 From: Paul J Stevens <paul(a)nfg.nl> To: This is the libzdb general mailing list <libzdb-general(a)tildeslash.com> Subject: Re: ??: libzdb-general Digest, Vol 43, Issue 7 Message-ID: <51CAA09E.2050009(a)nfg.nl> Content-Type: text/plain; charset=UTF-8 On 26-06-13 08:51, ??? wrote: > Now I am doing a project ,use qt and libzdb,but I donnot know how > to use libzdb in the multi-thread environment . as I find the most > time is the > connectpool_start() ,and at the end of the thread I must call > url_free() and connectpool_free .Is is right? I hope someone who can help me! I use libzdb in a multi-threaded setup. Creating and cleaning up the connection pool is done in the main thread, so the pool is shared between all threads. Worker threads only need to do: ConnectionPool_getConnection(pool) use the connection and do Connection_close(connection); once they are done with it so it can return to the pool No need to worry about locking since that is libzdb's job. Starting a separate pool for each thread invalidates the use of a connection-pool. -- ________________________________________________________________ Paul J Stevens pjstevns @ gmail, twitter, skype, linkedin * Premium Hosting Services and Web Application Consultancy * www.nfg.nl/info@nfg.nl/+31.85.877.99.97 ________________________________________________________________ ------------------------------ _______________________________________________ libzdb-general mailing list libzdb-general(a)tildeslash.com http://www.tildeslash.com/mailman/listinfo/libzdb-general End of libzdb-general Digest, Vol 43, Issue 8 *********************************************

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答复: libzdb-general Digest, Vol 43, Issue 7
by 马佳佳 26 Jun '13

26 Jun '13

Hello! Thank you very much for your help! The question I am contacting to him. However now I have another question: Now I am doing a project ,use qt and libzdb,but I donnot know how to use libzdb in the multi-thread environment . as I find the most time is the connectpool_start() ,and at the end of the thread I must call url_free() and connectpool_free .Is is right? I hope someone who can help me! Thx jiajiama -----邮件原件----- 发件人: libzdb-general-bounces(a)tildeslash.com [mailto:libzdb-general-bounces@tildeslash.com] 代表 libzdb-general-request(a)tildeslash.com 发送时间: 2013年6月25日 18:00 收件人: libzdb-general(a)tildeslash.com 主题: libzdb-general Digest, Vol 43, Issue 7 Send libzdb-general mailing list submissions to libzdb-general(a)tildeslash.com To subscribe or unsubscribe via the World Wide Web, visit http://www.tildeslash.com/mailman/listinfo/libzdb-general or, via email, send a message with subject or body 'help' to libzdb-general-request(a)tildeslash.com You can reach the person managing the list at libzdb-general-owner(a)tildeslash.com When replying, please edit your Subject line so it is more specific than "Re: Contents of libzdb-general digest..." Today's Topics: 1. Re: how to use libzdb in windows (Jan-Henrik Haukeland) ---------------------------------------------------------------------- Message: 1 Date: Mon, 24 Jun 2013 22:23:01 +0200 From: Jan-Henrik Haukeland <hauk(a)tildeslash.com> To: This is the libzdb general mailing list <libzdb-general(a)tildeslash.com> Subject: Re: how to use libzdb in windows Message-ID: <0D9D9A0D-FB18-4A60-961F-2426BCF275CC(a)tildeslash.com> Content-Type: text/plain; charset=GB2312 On Jun 24, 2013, at 6:44 AM, ??? <hnxymjj(a)163.com> wrote: > how can I compile the libzdb on windows and how can I use it! Can you give me an example? Libzdb does not support Windows. However I see someone has done some "work" to port libzdb to Windows using MinGW, https://github.com/haiwen/libzdb. Maybe ask them? ------------------------------ _______________________________________________ libzdb-general mailing list libzdb-general(a)tildeslash.com http://www.tildeslash.com/mailman/listinfo/libzdb-general End of libzdb-general Digest, Vol 43, Issue 7 *********************************************

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how to use libzdb in windows
by 马佳佳 24 Jun '13

24 Jun '13

Hello! I have a question that how can I compile the libzdb on windows and how can I use it! Can you give me an example? THX jiajiama

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about pool reconnect
by springrate 22 Jun '13

22 Jun '13

hi, i read source, maybe this is true? after the pool started, the conn in pool can be always healthy. in real word, conn can be disconnected. in this situation, client get a conn from pool, when using the conn, executing or querying can get a exception when conn is disconnected. how to process the exception? conn need a reconnection operator or free conn and new a connection. may be Connection need a status and reaper thread can check conn's status and try reconnect and keep enough connection when db service function recover.

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User Data Object For Abort Handler
by Jacob M. H. Smith 15 Jun '13

15 Jun '13

Hello! As I understand it, the abort handler is the only way catch fatal errors in the library, like the inability to connect to the server or something similar. Its a simple C function pointer. The problem I have with this is that I use the library from within Objective-C classes and I want my objects to handle possible errors. I can't see a practical way to redirect the control flow back to my object in such a case. A lot of libraries that work with handler functions give you the opportunity to pass along with the function pointer a user data object that will be provided to the handler when invoked. It would be nice to see something similar for the abort handler because at the moment I am limited in how I can react to fatal errors in zdb. Best regards, Jacob

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Debian package
by Jack Bates 03 Jun '13

03 Jun '13

Hello, I am interested in doing some work to get a package of Libzdb (such as the one here [1], prepared by Paul J Stevens) into Debian. Paul, you currently own the ITP [2] for a Libzdb package in Debian, would you like me to try to upload a package? Libzdb authors, if I try to get a Libzdb package into Debian, are you in favor of that? I run DBMail on Debian and I think there is interest in once again making it available from the Debian repositories, which is why I'm interested in doing some work to upload Libzdb. Thank you! [1] http://debian.nfgd.net/debian/dists/unstable/main/source/libs/libzdb_2.10.2… [2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=466699

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[Announce] libzdb 2.11.2
by Jan-Henrik Haukeland 17 Apr '13

17 Apr '13

Version 2.11.2 of libzdb is now available: Download: http://tildeslash.com/libzdb/dist/libzdb-2.11.2.tar.gz MD5 checksum: f3ebd6c32c47be084643a44d34459499 Changes in this release: ------------------------ New: Throw SQLException if a database access error occurs when ResultSet_next() is called. Previously, access errors could be masked as end of result set. Thanks to JiaQiang Xu. Fixes: (Volodymyr Tarasenko) Possible mem leak in Oracle's blob operation fixed. Fixes: MySQL and SQLite detection on ubuntu 12.04

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Re: libzdb memory leakage
by Pavlo Lavrenenko 11 Apr '13

11 Apr '13

On 04/10/2013 05:47 PM, Volodymyr Tarasenko wrote: > Hi Pavlo, > > Could you check my last commit? Jan is planning to release 2.11.2 > version, I would like to be sure that this fix is working for you... > > Good luck, > Volodymyr! > I've checked recent changes and everything works as expected. Thanks. -- Best regards, Pavlo Lavrenenko, PortaOne, Inc., Junior Software Developer Tel: +1-866-SIP VOIP (+1 866 747 8647) ext. 7624 PortaOne - VoIP Solutions Company Visit our Website: http://www.portaone.com

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