Tntdb is a c++-class-library for easy access to databases

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Database tntdb
Overview
Tntdb
=====

Tntdb is a c++-class-library for easy access to databases. The interface is
database-independent. Driverclasses are loaded dynamically.

The goal is to have easy access to databases. You don't have to worry
about resourceleakage, because all objects you use directly are allocated on
the stack and deleted automatically, when going out of scope. The
interfaceobjects are wrappers to referencecounted instances, so you can copy
them around at your own will. Resources are freed, when the last object goes
out of scope.

Errorhandling is done exclusively with exceptionhandling. Just wrap your code
with a single try-catch and you have full errorhandling. All exceptions are 
derived from std::exception.

STL is used where possible and also STL-like and -compatible interfaces are
offered, where suitable.

Tntdb is targeted for application programming. It is not suitable for generic
databasetools. It does not offer e.g. schemaquery. You have to know, how your
tables look like. Thats true for normal applications.

You use SQL for databaseaccess. No wrapperclasses like active resultsets or
databound controls are offered. Instead you have best control over the
database. You can use every SQL-trick you know to get most out of your
database. Also this is a thin wrapper, so that you should have no big
performancepenalty compared to direct access to the C-API.

The project started already some years ago as a postgresql-wrapper. Later I
added a sqlite-3-wrapper.

The public headers include documentation, which can be generated using Doxygen.
Also there are some small examples in the demo-directory.

Installation
============

To install tntdb, you need cxxtools (http://www.tntnet.org/).

This version needs at least cxxtools version 1.4

You can find generic installation instructions in the file INSTALL.

To disable SQLite support (enabled by default) do
./configure --with-sqlite=no

To disable MySQL support (enabled by default) do
./configure --with-mysql=no

To disable Postgresql support (enabled by default) do
./configure --with-postgresql=no

To disable replication driver (enabled by default) do
./configure --with-replicate=no

To enable Oracle-support (disabled by default) do
./configure --with-oracle
Comments
  • Runtime error with g++10

    Runtime error with g++10

    In file tntdb/src/librarymanager.cpp I found out on my Debian 11 with g++10, that the following is not working anymore:

        std::string d = DRIVERDIR + cxxtools::Directory::sep() + libraryPrefix + driverName;
    log_debug("loading library \"" << d << '"');
    lib = cxxtools::Library(d);

    To get it work, I have changed the code to:

        std::string d(DRIVERDIR);
    d += cxxtools::Directory::sep() + libraryPrefix + driverName;
    log_debug("loading library \"" << d << '"');
    lib = cxxtools::Library(d);

    Best regards, Sven

    opened by sb-qt 1
  • Connection error

    Connection error

    Hello,

    We updated tntdb this morning with the latest version. Now we get the following error when connecting to postgresql :

    failed to load driver "tntdb5-postgresql"

    Jean-Marc.

    opened by jm130794 1
  • Forward declare class Cursor

    Forward declare class Cursor

    Class Cursor is referentiated as "friend" in the Statement class. Without the forward declaration of class Cursor, tntdb won't compile (AIX 6.1, xlC_r)

    opened by ghinadr 0
  • tntdb on Ubuntu on Windows 10: Erros with MySQL

    tntdb on Ubuntu on Windows 10: Erros with MySQL

    My installed versions: I have downloaded and installed the cxxtools-, tntnet- and tntdb-master.zip's this week on my client.

    My client: Bash on Ubuntu on Windows 10 (Creators update, 03-2017) gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609 ldd (Ubuntu GLIBC 2.23-0ubuntu7) 2.23 For the "tntnet" command to be able to start I had to deactivate TCP_ACCEPT_DEFER (I commented the whole block in configure.ac).

    The "tntdb-test" command is working fine on my client with sqlite3 3.11.0

    But some of the asserts fail with my db server in my lan. Most are looking to be not important (testDouble, ininity, longval, ...). But there are two issues that are scaring me.

    My db server: Linux kernel 2.6.32 (Mips cpu) Debian 6.0.10 MySQL 5.1.73-1 (Debian)

    Issue 1: base::testTransaction: ASSERTION at base-test.cpp:371 not equal: value1 (count)= <3> value2 (2)= <2>

    Issue 2: types::testNull: OK types::testBool: EXCEPTION Mysql-Error 2014 in mysql_query: Commands out of sync; you can't run this command now types::testShort: EXCEPTION Mysql-Error 2014 in mysql_query: Commands out of sync; you can't run this command now types::testInt: EXCEPTION Mysql-Error 2014 in mysql_query: Commands out of sync; you can't run this command now types::testLong: EXCEPTION Mysql-Error 2014 in mysql_query: Commands out of sync; you can't run this command now types::testUnsignedShort: EXCEPTION Mysql-Error 2014 in mysql_query: Commands out of sync; you can't run this command now ... types::testBlob: OK types::testDate: OK

    opened by dev8765 3
  • Please release 1.4 or add pkg-config patch to 1.3

    Please release 1.4 or add pkg-config patch to 1.3

    Related to some issue in pulling automatically dependencies for a project (tntdb here), we still depend on 1.3 and fail due to the missing pkg-config support. Going with master produce compilation failure.

    Please release 1.4 or accept PR #10 for branch 1.3 (really needed on that branch) thx a lot and enjoy the end of the year celebrations

    opened by aquette 0
Owner
Tommi Mäkitalo
Tommi Mäkitalo
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