v0.61.7 (2025-07-01)

- pgsql: fix load-stored-procs script logic for checking for necessary
  parameters when using C stored functions
- pgsql: fix build-db script to use "dbt2" for the database name by default
- run: fix logic that prevented a test in privileged mode

v0.61.6 (2024-09-09)

- Fix exit bug when building AppImage outside of the container
- Update man page make rules to match docutils v0.21.1 set since v0.61.2
- Add test-db-param script for database parameter testing example
- pgsql: remove hard coded set -x in load-db script accidentally committed in
  v0.61.5 release
- Fix run script configuration so that connection_delay can be set per driver

v0.61.5 (2024-08-19)

- build: add --data flat to specify where datagen will create flat files when
  not doing a streaming load
- mysql: build-db minimal fixes to work with 8.0
- mysql: fix payment sp out_w_city size to match table definition
- driver3: minimal fixes to work with MySQL 8.0 stored procedures
- test-connection-scaling: add --start --stop --step flags to control range or
  testing
- Add -g flag to build script to specify whether flat files need to be
  generated for any database loading that is not streaming data
- mysql: refactor script flags for handling socket path to match MySQL binaries
- build: add --mysql-stored-procedures to specify location of MySQL stored
  procedures
- Minimal updates running against MySQL 8.0 in a 1-tier client-server
  configuration with socket files
- mysql delivery stored procedure: add use of FOR UPDATE and missing ORDER BY
- mysql payment stored procedure: use of of FOR UPDATE and missing c_data
- pgsql: refactor automatic database creation logic to use template1
- AppImage: add missing perl modules for flame graphs
- AppImage: add, again, python libraries for rst2html5 that were accidentally
  removed v0.61.3.
- AppImage: bump touchstone-tools to v0.9.1
- generate-report now relies on touchstone-tools v0.9.1 to generate flame
  graphs
- build: add --parallelism flag to limit processes used for data loading

v0.61.4 (2024-08-12)

- Fix run script but introduced in v0.61.3
- AppImage: add missing libraries for dbt2 binaries
- Add test-connection-scaling script for performance testing example
- AppImage: include PostgreSQL C stored functions, but needs to be manually
  extracted and installed
- pgsql: add pgsql-drop-stored-procs script to remove stored functions

v0.61.3 (2024-08-08)

- Allow tests to run if rsync is not installed, except in cases where the
  primary metric would not be calculated correctly
- Fix district to delivery typos in transaction rate chart
- pgsql: parallelize index creation
- replace semicolons (;) returned from pg_config with spaces in the build
  system, needed with newer pgsql releases
- AppImage: revert linuxdeploy tool updates back to appimagetool
- AppImage: bump touchstone-tools version to v0.9.0
- AppImage: bump dbttools version to v0.5.1
- AppImage: bump psql version to v11.22
- AppImage: fix toml version to 0.2.3
- AppImage: fix docutils version to 0.21.2
- clang-format: never sort include directives

v0.61.2 (2024-04-01)

- Actually check it driver processes have exited, instead of sleeping the
  expected length, before killing client processes

v0.61.1 (2024-03-19)

- Fix post-process unit test for sqlite3
- Remove SAPDB support
- Add --rows-per-commit to `build` script to pass on through to database
  specific scripts to pass to datagen.
- Install python into the AppImage again for easier management of the
  environment and dependencies of python packages
- Fix AppImage use of rst2html5 with manual override of !# in rst2html5 to use
  python in the AppImage environment
- Build Pango for AppImage with reduced dependencies
- Bump touchstone-tools version to v0.8.0 in AppImage

v0.61.0 (2024-03-14)

- Support TOML configuration files for executing tests with `run` script
- Update `run` script to use PID files to stop processes instead of killall
  with program names
- Refactor `run` script output
- Reorganize documentation

v0.60.0 (2024-02-29)

- driver3 will now continually attempt to retry connecting to the database
  for the duration of the test if the database connectivity code returns a
  RECONNECT code
- libpq interface now returns a RECONNECT code if a PGRES_FATAL_ERROR is
  returned from any database call
- Add -retry-delay flag to driver3 to adjust the delay between
- Remove lingering hard coded fontconfig path from AppImage
- Fix check for existing database in pgsql-create-db
- Use CREATE DATABASE SQL statement instead of createdb binary in
  pgsql-create-db
- Use VACUUM SQL statement insetead of vacuumdb binary in pgsql-build-db
- Remove unnecessary binaries from AppImage
- Create AppImage on Debian 10 (buster), previously Ubuntu 14.04 (Trust Tahr)
- Bump minimum CMake version to 3.5 per deprecation warnings
- Use Linux system call to get thread id instead of using the thread's address
- Fix `run` script execution of stats and profile collection for 1-tier tests
- Add --row-per-commit to datagen to control the number of rows loaded before
  committing when directly loading a database

v0.53.10 (2024-02-22)

- Fix pgsql-load-db to not start multiple processes for single partition data
  loading, which weren't doing anything
- Parallelize some of the plotting in the generate-report and pgsql-report
  scripts
- psql: run TRUNCATE and COPY within a transaction if data is not partitioned
- Use linuxdeploy to create AppImage
- Build gnuplot explicitly disabling unnecessary options for AppImage
- Now only installing psql into AppImage
- Install touchstone-tools v0.7.3 into AppImage
- Remove `activate` script in favor of just executing AppRun
- Fix pgsql-load-stored-procs to install from AppImage by default when run from
  the AppImage
- PostgreSQL load scripts are now BDR aware

v0.53.9 (2024-02-07)

- Fix pgsql-create-db logic for checking if the database already exists

v0.53.8 (2024-01-08)

- Fix test for touchstone tools in "run" script

v0.53.7 (2023-09-29)

- Remove dated psql scripts
- psql: Do not attempt to create database if it already exists, so that errors
  due to a lack of permissions to create database can be effectively trapped
- Add --tablespaces option to dbt2-build script to specify where tablespace
  devices are mounted or symlinked
- Fix handling of tablespace flag for creating tables when using
  dbt2-pgsql-build-db

v0.53.6 (2023-09-04)

- driver3 now processes -L flag to limit number of connections by limited the
  number of processes forked
- pgsql-build-db: fix execution of pgsql-load-db and pgsql-create-index so
  that parameters are handled correctly when the -l argument is not used

v0.53.5 (2023-08-25)

- Handle host names greater than 31 characters, now up to 255.
- Fix detection of touchstone tools for collecting database stats

v0.53.4 (2023-07-11)

- Fix version flag usage with AppImages
- Add OpenSSH to AppImage
- Fix dbt2-run --client-connections= command line handling
- Add ssh to the AppImage

v0.53.3 (2023-06-29)

- Update touchstone tool commands to use "ts", enabling use of ts-tools
  AppImage, requires at minimum touchstone-tools v0.6.x
- Update scripts to use "dbt2" where appropriate, enabling use of dbt2 AppImage
- Fix handling of -altered flag in "run" script for driver mode 1
- Bump touchstone-tools version to v0.7.1 for gathering postgresql stats
  supporting v15
- Restrict AppImage "activate" script to bash shells

v0.53.2 (2023-06-19)

- Quiet sqlite3 post-process script from displaying an error when there are no
  New Order transactions
- Rename post-process.sql to post-process.sqlite3
- Update AppImage container file to use Ubuntu 14.04
- Add missing libraries to AppImage for gnuplot
- Add fonts to Appimage for gnuplot
- Replace readlink with realpath
- Remove dependency on bc from sqlite3 post-process script

v0.53.1 (2023-05-20)

- AppImage checks for existing LD_LIBRARY_PATH before updating
- Add missing libraries for gnuplot to AppImage
- Fix installation of dbt2-build man page
- Update dbt2.desktop syntax for aarch64 AppImage
- Add "activate" script to AppImage

v0.53.0 (2023-05-17)

- Add "report" script to handle both post-process and generate-report scripts
- Update AppImage to use touchstone-tools v0.5.2
- Update format of transaction summary output
- Update "build" and "run" to use "dbt2" command
- Quiet find commands in generate-report
- Update "run" script to pass on user and port information to ts-pgsql-stat
- Add quick-start section to documentation

v0.52.0 (2023-04-30)

- Use profiling scripts from touchstone-tools to collect readprofile, oprofile,
  or perf if requested and available
- Add command line flag to pgsql-load-stored-procs and pgsql-build-db to
  specify alternative location for pl/pgsql stored functions
- Rename run-workload script to run
- Update run script to use touchstone-tools v0.5.1
- Refactor run logic for handling 1-tier, 2-tier, and 3-tier testing test
  execution and stats collection.
- Remove "easy" script and instead make its parameters the default execution
  method, thus breaking down the traditional benchmark specification behavior
  into additional options
- Refactor option handling to incorporate long parameter names
- Add "run" script man page.
- Add "build" script to simplify running database build commands, with man page

v0.51.0 (2023-04-25)

- Add "version" script to show kit version and version of software that may be
  used by the kit
- Update AppImage to install dbttools v0.5.0 for its version information
  reporting, and updated reporting scripts
- Use .svg file for AppImage; remove .png file.
- Use ARGV0 instead of hard coding name in AppRun
- Remove Julia version of dbt2-post-process
- Add SQLite3 version of dbt2-post-process
- Calculate type 1 quantiles
- Rename container directory to tools
- Use touchstone-tools v0.4.2 for gnuplot based sar, pidstat and postgresql
  stats plotting
- Remove dbt2-sysstat in favor of touchstone-tools ts-sysstat version.
- Update general and postgresql report generation based on touchstone-tools
  differing chart filenames and directory layout
- Stop generating PDF reports with pandoc unless specified to save time
- Remove sar post-processing since ts-sysstat handles that
- Move profiling, stats and information collection into the db directory for
  1-tier test execution with run-workload script
- Remove postgresql stats collection in favor of touchstone-tools ts-pgsql-stat
- Update appimage container file with dbttools v0.5.0 and touchstone-tools
  v0.4.2
- Add OS memory paging charts to report; previously omitted
- Remove Julia from the AppImage.

v0.50.1 (2023-03-03)

- Update README with correct DBT Tools version v0.4.0

v0.50.0 (2023-02-28)

- Stop forking plot generation when generating reports since this may cause the
  system to run out of memory
- Update container scripts to use -u flag, per changed in v0.49.0
- Set ARCH to x86_64, if not otherwise specified, for creating AppImage
- Fix generate-report bug where pidstat.txt was not being processed to create
  pidstat.csv files
- Fix generate-report HTML and PDF generation logic where .rst and .html files
  were not being processed correctly
- Fix generate-report handling of identifying driver and client processes
- Rewrite rst2html5.py's #! back to /usr/bin/env python3 for the AppImage
- Post processing (post-process) in R now reports p-value for visual
  inspection of goodness of warehouse distribution, as well as district
  distribution per warehouse, as opposed to displaying the raw counts; also
  added to Julia version
- Add tools to creating flame graphs to the AppImage
- Require DBT Tools (dbttools) v0.4.0
- Add perl to AppImage

v0.49.1 (2023-02-17)

- Update pgsql-build-db to take database name as a command line argument
- Update to post-process script to install Julia packages only after verifying
  the Julia version of the script exists
- Add Z flag for mounting source directory when building the AppImage with
  container/build-appimage for shared volume labeling

v0.49.0 (2023-02-09)

- Fix use of ignore file for podman use
- Allow user to specify container engine
- Add some C directives to support building on older C tool chains, in
  particular CentOS 7
- Add AppImage files for creating standalone single binary with limited
  functionality
- Add Podman files for creating an AppImage
- Convert doc/ files to reStructuredText
- Reconstruct Changelog of information prior to v0.8 and remove old saved CVS
  ChangeLog
- Convert DBMS and OS READMEs to reStructuredText and incorporate them into the
  the doc/ directory
- Convert INSTALL to reStructuredText with updated instructions
- Reorganized PostgreSQL, SAP DB, and SQLite specific details from the user's
  guide into their respective section
- Update the user guide
- Update PostgreSQL documentation
- Build CockroachDB support only if PostgreSQL 11+ is available since
  pg_type_c.h is required for binary mode support
- Fix datagen partitioning logic
- Add tests to verify datagen partitioning correctness
- Add test to check output of post-process
- Port post-process script from R to Julia
- Distribute Julia and package post-process package dependencies in AppImage
- Driver automatically sets wmin and wmax to 1 and max warehouses, resp, if not
  specified on the command line
- Add "easy" script for simple testing with driver3 that runs without keying or
  thinking time.
- Add dates to ChangeLog
- Make plpgsql stored functions the default for PostgreSQL for ease of use, as
  opposed to performance reasons, but same extra steps as before can still be
  used to load C stored functions
- Reverse use of unprivileged -u flag to specified whether user has privileges
  for ease of use; e.g. by assuming that it is easier to not restart the
  database system unless the user knows they have privileges to do so

v0.48.7 (2022-12-02)

- Fix white space trimming of scale factor in report generator

v0.48.6 (2022-12-01)

- Fix calculation of ramp up time when processing multiple mix files
- Fix driver3 ramp up and stop time calculations
- Fix use of ignore file for container use

v0.48.5 (2022-11-28)

- Increase the buffer size of sname to accommodate hostnames longer than 64
  characters
- Change how throughput, duration, unknown errors, and ramp up time is
  displayed
- Add scale factor and database version to report
- Stop checking known hosts for ease of testing in run-workload script
- Update container scripts to prefer podman
- Add instructions on how to use podman to test scripts
- Use Fedora instead of Debian in container scripts
- Fix calculation of driver rampup time when using driver3

v0.48.4 (2022-11-02)

- Fix some scripting bugs in collecting PostgreSQL database stats
- Stop throwing errors from missing docutils or pandoc in report generation

v0.48.3 (2022-06-28)

- Create detailed-summary.rst in the results directory instead of current path

v0.48.2 (2022-06-10)

- Add separate CockroackDB load-db script
- Fix setting the database port for PostgreSQL and MySQL in the driver3
- Update Docker scripts to support CockroachDB
- Update CockroackDB load-db script to be single stream and have an adjustable
  rate on how many warehouses to load before committing
- Add separate YugabyteDB load-db script to be single stream and have an
  adjustable rate on how many warehouses to load before committing
- Update Docker scripts to support YugabyteDB
- Fix libpq debug printing of time stamps

v0.48.1 (2022-05-10)

- Update PostgreSQL report script
- Update Docker helper scripts to use Makefile.cmake
- Update run-workload with -F flag to control number of database connections
  per processor for driver3
- Update post-process script to take a list of mix files to process
- Use dbttools generic transaction rate plotting script
- Check for rst2html5 in additional to rst2html5.py
- Switch distro used in Dockerfile from Rocky to Debian

v0.48.0 (2022-04-25)

- Clean up CPack rules
- Fix logic issue when starting PostgreSQL database after initialization
- Replace HTML generated with reStructuredText, which can be converted to HTML
  and PDF, or other formats.
- Fix how OS information is saved
- Add per process statistics to report
- Generate flame graphs for report
- Add undocumented support for driver3 in run-workload and reporting scripts
- Reorganize where data is saved when using run-workload script
- Move database system specific reporting into database specific reporting
  script
- Rename helper Makefile to Makefile.cmake

v0.47.0 (2022-03-30)

- Add experimental multi-process driver2 that uses event callbacks (libev)
- Add new standalone driver (driver3) combining event callbacks with
  multi-process parallelism model, replacing previous thread based standalone
  driver
- Parallelize PostgreSQL vacuuming when building the database
- pgsql: Disable autovacuum on a table while it is being loaded

v0.46.2 (2022-03-29)

- Fix post-process script to ignore transaction errors in statistical
  calculations

v0.46.1 (2022-03-24)

- Fix data generator quoting bug introduced in v0.46.0
- Clean up client usage message with additions in v0.46.0
- Fix inconsistencies with handling output directory
- Reformat driver usage to be consistent with other programs
- Clean up datagen usage message
- Fix post-process script to correctly handle merged mix logs

v0.46.0 (2022-03-07)

- Refactor client code for libpq to automatically build support if libraries
  exist
- Remove support for Drizzle; discontinued since 2016
- Allow specifying partitioning options in PostgreSQL data load script
- Refactor client code for sqlite3 to automatically build support if libraries
  exist
- Refactor client code for MySQL to automatically build support if libraries
  exist
- Refactor client code for unixODBC to automatically build support if libraries
  exist
- Fix some issues in CockroachDB transaction code.
- Use function pointers for managing output of timestamps in datagen
- Replace macros with functions in datagen

v0.45.1 (2022-03-02)

- Rename PostgreSQL dbt2 extension's SQL file

v0.45.0 (2022-03-01)

- Fix memory clobbering bug introduced when using libpq functions in binary
  mode
- Increase size of additional data structures for UTF-8

v0.44.0 (2022-02-21)

- Made some changes to Docker scripts to help customize PostgreSQL version used
- Add scripts to build a database on CockroachDB
- Add transaction logic to the client for CockroachDB
- Update workload scripts for CockroachDB
- Add scripts to build a database on YugabyteDB
- Update libpq client code to transmit and receive data in binary mode.

v0.43.0 (2022-02-07)

- Adopt Artistic License 2.0
- Fix run-workload script to work on single tier configuration, bugs
  introduced v0.42
- Driver now logs w_id and d_id per transaction
- Fix segmentation fault when limiting the total number of driver threads
- Increase buffer size for the database hostname in the client to 64 bytes
- Add -y flag to run-workload script to specify database is a service
- Fix driver's rampup calculation when limiting total emulated terminals
- Update Dockerfile to use Rocky Linux instead of CentOS
- Fix driver execution when limited to a single terminal

v0.42 (2021-10-26)

- Add Docker files and scripts to test building and evaluate a PostgreSQL
  database.
- Update for CMake policy CMP0037.
- Replace obsolete bzero with memset
- Replace obsolete gethostbyname and gethostbyaddr with getaddrinfo
- Use PCG Fast pseudo random number generator
- Update data generator to use UTF-8
- Refactor datagen parallelism
- Update PostgreSQL pl/pgsql stored functions
- Support basic 3-tier execution with run-workload script
- Refactored altered mode driver execution with finer grained controls

v0.41 (2010-12-01)

- Renamed the 'scripts' directory to 'bin'.
- Added SQLite support.
- Renamed all the script with 'dbt2-' prefixes to facilitate a better
  'make install' in the future.
- Use cmake over autotools.
- Added Drizzle support.
- Removed use of Test::Parser and Test::Presenter perl modules and require use
  of dbttools instead.
- Use R for post processing.
- Run scripts capable of running multiple instances of clients and drivers.
- Direct load data for Postgres.

v0.40 (2006-11-27)

- Various fixes with all the scripts.
- Ability to run in a two-tier environment.
- Added scripts to run a test against a pull from PostgreSQL's CVS repository.
- Fixed 90th percentile and steady state metric calculations.
- Added support for pgpool.
- Fixed memory violation with datagen.

v0.39 (2006-10-03)

- Merged run_mysql.sh script into run_workload.sh script.
- Various fixes with all scripts.
- Fixed up autoconf scripts.  Now database libraries aren't linked to datagen.

v0.38 (2006-09-29)

- Various fixes with all scripts.
- Improved configure.ac to use pg_config for PostgreSQL.
- Updated PostgreSQL scripts to work with PostgreSQL 8.1 and newer.
- Updated PostgreSQL stored functions for 8.1 and newer.

v0.37 (2005-11-02)

- Removed use of the $SHELL environment variable so the kit is more portable.

v0.36 (2005-10-20)

- Added a check for ulimit -n.
- Fixed the response time calculations to be after all threads have started.

v0.35 (2005-10-10)

- Critial fix for the data generator.
- Critial fix for the Payment transaction when using MySQL.
- Changed the database integrity check into a command line option.

v0.34 (2005-09-27)

- Calculate 90th percentile reponse times in scripts/mix_analyzer.pl.
- Fix up in run_mysql.sh.in.

v0.33 (2005-08-31)

- Script improvements.
- Fixed the Makefile for funcs.so.
- Collect callgraph data with oprofile.  Only really works for ia32 and ARM
  due to oprofile support.

v0.32 (2005-08-11)

- Updated the autoconf scripts to not fail if pg_autovacuum is not found.
  With 8.1 coming up, it is part of the backend now.
- Fixed scripts/pgsql/analyze_stats.pl to work correctly.

v0.31 (2005-07-25)

- Modified the table creation and index creation scripts so that the primary
  keys are created as part of the index builds.
- Modified the autoconf scripts so that using odbc libraries is a feature that
  needs to be enabled with the database that will be tested.
- Fixed some compiler warnings and errors when building against odbc.
- Fixed a bug in src/libpq/dbc_payment.c where the wrong parameter was being
  passed.

v0.30 (2005-06-21)

- Added x- and y-axis lines for the PostgreSQL database charts.
- Fixed the autoconf files to include files for MySQL with no stored procedures.

v0.29 (2005-06-17)

- Removed default configure to PostgreSQL in configure.ac.  It will prompt for
  the database to be specified if none is given.
- Tidied up the autoconf files a little more.
- Added x- and y-axis lines to scripts/notpm.input.
- Fixed mix_analyzer.pl to stop counting failed transactions as successful
  transactions.

v0.28 (2005-05-31)

- Improved configure.ac to check for headers for PostgreSQL.
- Fixed Makefile.am to include the README-* files in a 'make dist'.

v0.27 (2005-05-24)

- Fixed Makefiles for 'make dist'.
- Modified scripts for PostgreSQL so that tablespaces can be used.
  README-POSTGRESQL has been updated with notes on how to use tablespaces.

v0.26 (2005-05-18)

- Improved configure.in to set executable permission onfiles it generated.
- More fixes related to setting the stack size in the C programs.
- Added headers to files where previously missing.

v0.25 (2005-03-01)

- PostgreSQL requires pg_autovacuum now, but you could edit the kit so it can
  still run without it.
- Removed results and moved its functionality into mix_analyzer.pl.
- Now you don't need to modify pg_config_manual.h in order to use the kit with
  PostgreSQL.
- Various little script fixes and enhancements.
- Fixed a problem with getting plans for PostgreSQL during the run.
- Stock setting stack size in the shell scripts.  Setting the stack size where
  appropriate in the C programs.
- gen_html.sh is now used automatically to generate results in HTML.
- Other misc. script fixes and enhancements for PostgreSQL.

v0.24 (2004-12-02)

- Changed the format of the vmstat data files that are graphed.
- Fix for results.c for some 64 bit platform.

v0.23 (2004-06-25)

- MySQL support.
- Minor bug fix with generating data for the payment transaction.

v0.22 (2004-03-24)

- Build environment updates

v0.21.1 (2004-02-04)

- User Guide updates.

v0.21 (2003-11-18)

- Fixed a bug in in _accept().
- Updated the user's guide.
- Changed the column data types in various tables for performance.

v0.20 (2003-09-26)

- Fixed a bug in the New-Order transaction that was introduced into v0.19
  by accident.

v0.19 (2003-09-25)

- Fixed a query in the New-Order transaction to reduce the number of rollbacks.

v0.18 (2003-09-05)

- Fixed a bug in the driver regarding the assignment of warehouse id's to each
  thread.

v0.17 (2003-09-04)

- Fixed a bug in the New-Order transaction in the PostgreSQL C function.
- More work on the run_workload.sh script.

v0.16 (2003-08-19)

- Replaced the OpenOffice text documents with LaTeX versions.
- Fixed the rollback logic for the New-Order transaction with SAP DB.
- Added backup and restore scripts for PostgreSQL.

v0.15 (2003-08-08)

- Fixed the rollback logic in the New-Order transaction.
- Added more status output in the client.
- Fixed a bug in get_node that cause memory violations for multiple
  connections.
- Really fixed the stored procedures for SAP DB 7.3.0.25 this time.
- Fixed logic in New-Order that screwed up the stock table.

v0.14 (2003-08-08)

- Removed nonblocking socket code.

v0.13 (2003-08-06)

- Fixed the default stored procedures to work with 7.3.0.25.
- Undid code to use nonblocking sockets, I just don't know how to do it right.
- Fixed a bug with get_node() in listener.c.
- Fixed the sleep control for the connection rates between components in
  a multi-tier environment.
- Added more status output in the client.

v0.12 (2003-08-05)

- Started using nonblocking sockets for communication with the client.
- Added some more status information to the client.
- Control the sleep time between openning connections to the client in
  a multi-tier environment.  Maybe cause problems when attempting to drive
  many many users.

v0.11 (2003-08-04)

- Fixed db_setup.sh.in for SAP DB to generate the correct data.
- Fixed the tools directory Makefile.in for SAP DB.

v0.10 (2003-08-01)

- Changed default altered mode to 0.
- Cleaned out lingering CVS directories.

v0.9 (2003-08-01)

- Fixed funcs.c (the stored functions) to correctly escape a couple more
  characters.
- Fixed the random seeding of threads.
- Fixed passing of transaction status in the multi-tier environment.

v0.8 (2003-07-31)

- Fixed the client and driver to work in a multi-tier environment with
  PostgreSQL.

v0.7 (2003-06-19)

- Add PostgreSQL support
- Add PostgreSQL setup README
- Update configure rules to select database connectivity library
- Refactor commit/rollback logic in client code
- PostgreSQL pl/pgsql stored functions updated to return record sets

v0.6 (2003-04-30)

- Refactor support for large file support on linux
- Fix bug with order_line data generation
- Fix bugs with altered execution mode
- Enable support on FreeBSD
- Update documentation
- Use thread-safe localtime
- Fix bug in get_random()
- Log each transaction's rate and unknown errors
- Refactor summary report; do not display transactions per seconds in addition
  to minutes
- Refactor datagen command line parsing to use getopt

v0.5 (2003-02-28)

- Fix keying and thinking time override handling
- Add ability to update SQPDB table statistics
- Handle SAPDB SQL error codes
- Refactor transaction send/receive code
- Add debug code to track thread states
- Remove stock table cardinality override
- Add script to capture SAPDB execution plans
- Refactor SAPDB index names
- Support setting output directory for datagen
- Allow terminals per warehouse to be overridden
- Refactor SAPDB stored procedures
- Fix SAPDB create index script
- Fix bug in SAPDB stock level transaction
- Add scripts to collect SAPDB statistics
- Use primary keys, as opposed to regular basic indexes
- Hard code large file support on linux
- Support unixODBC
- Add script to capture system stats
- Add scripts for managing SAPDB
- Create a standalone, combined 1-tier client/driver binary
- Update SAPDB restore scripts
- Add altered execution mode
- Update indexes in SAPDB tables
- Fix bug in SAPDB delivery transaction
- Add ISOLATION levels to SAPDB transactions
- Now logging transaction error counts
- Now tracking rollbacks
- Run altered mode by default
- Update SAPDB transaction code to spec
- Fix new order transaction calculations
- Add script to post process sar for gnuplot
- Refactor script names
- Calculate rollbacks per transaction
- Create user's guide
- Allow seed to be overridden at command line
- Fix bug with generated warehouse references to warehouses other than assigned
  warehouse

  v0.4 (2002-08-21)

- First working functionally complete kit
- Fix SAPDB customer table definition
- Allow keying and thinking time overrides
- Allow warehouse range to be specified in driver

v0.3 (2002-08-15)

- Implement transaction mix, keying time and thinking time logic
- Refactor code used for debugging transaction data
- Fix SAPDB table definitions to use correct data sizes
- Refactor use of global variables
- Refactor Makefiles

v0.2 (2002-08-06)

- Create a transaction test program
- Add transaction queue framework

v0.1 (2002-07-23 )

- Initial version of data generator, SAPDB transaction logic, client, and
  scripts
- Fix bug in accepting tcp/ip connections
- Handle dropped tcp/ip connection in the client
