libzdb-general

libzdb-general@tildeslash.com

1 participants
152 discussions

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

2 1

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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libzdb memory leakage
by Pavlo Lavrenenko 10 Apr '13

10 Apr '13

Hi. I have a question regarding http://code.google.com/p/libzdb/source/detail?r=538 commit. Currently because of next check: > if (R->columns[i].buffer) { > *size = (int)R->columns[i].length; > return (const void *)R->columns[i].buffer; > } its possible to return a buffer with the size smaller than actual blob size. OracleResultSet_getBlob() should fall through to the loop with OCILobRead2() and RESIZE() with a check like: > if (R->columns[i].buffer == NULL) { > R->columns[i].buffer = ALLOC(LOB_CHUNK_SIZE); > } prior to the loop mentioned. Should I duplicate this mail to bugs-libzdb(a)tildeslash.com? Do you guys have mailing list archive available? -- 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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[Announce] libzdb 2.11.1
by Jan-Henrik Haukeland 19 Dec '12

19 Dec '12

Hi everyone Version 2.11.1 of libzdb is now available: Download: http://tildeslash.com/libzdb/dist/libzdb-2.11.1.tar.gz MD5 checksum: 155e89d96df4ec22e984442137f75289 Changes in this release: ------------------------ Fixed: MySQL: A ResultSet bind memory error could occur if string or blob columns of different size caused successive buffer reallocation. Thanks to Ryan Addams for discovering the problem.

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[Announce] libzdb 2.11
by Jan-Henrik Haukeland 06 Dec '12

06 Dec '12

Hi everyone Version 2.11 of libzdb is now available: Download: http://tildeslash.com/libzdb/dist/libzdb-2.11.tar.gz MD5 checksum: f2e44cde8d270d83d8e8c169ed4110fe Changes in this release: ------------------------ * New: Added support for the new bytea hex encoding format introduced in PostgreSQL 9.0. This means that ResultSet_getBlob will correctly return the binary stored in a bytea column independent if the column is escape encoded (old format) or hex encoded (new format). * Fixes: MySQL: A table with two or more columns larger than 256 bytes would cause libzdb to truncate the second column to 256 bytes in the first row. Thanks to Me from China for bug report and patch. * Fixes: Improved Build Configuration. Thanks to Johan Bergström for report

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19 Nov '12

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1 0

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18 Nov '12

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