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CHANGELOG.md

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RWP*Load Simulator Release Notes

3.1.2

  • Bug fixes
  • Statisitcs count only increased when no ORA- error during execution
  • Add parsefailure to oltp external control
  • awrreport can generate global report
  • You can use sql_id() without a name to get sqlid of immediate or embedded sql
  • rwloadsim itself is available on Microsoft Windows; not the oltp workload
  • Changes to repository
  • Full end-to-end tracing (on Linux only)

Note that there was no release 3.1.1

3.1.0

  • Bug fixes
  • $pre31fileassign:off is now default
  • Ociping enhanced to create graphs of many executions
  • floor, ceil, trunc functions
  • % works on double arguments
  • sessionpool wait timeout actions
  • option/directive to log all sql
  • debug options are named in -D and directives
  • directly embedded sql can be dynamic using &variable.
  • for loops can be over a list of expressions
  • parse error location shown at all potential places

3.0.6

  • Bug fixes
  • $pre31fileassign:warn is now default
  • Allow bindout in embedded and immediate sql
  • Added an activity burst in oltp workload
  • Save CPU using faster code to convert integer/double to string
  • Add normalrandom function returning normal distributed random numbers
  • Various improvements for connectionpool
  • Double values are assigned to integer using trunc
  • Add statisticsonly attribue
  • This will be the last 3.0 release

3.0.5

  • Bug fixes
  • Rename awreport to awrreport
  • Improve awrdump messages

3.0.4

  • Bug fixes
  • Correct handling of data types in expression evaluation
  • Variables of type integer, double, string can be made shared among all threads
  • The oltp workload has new features to allow it to be used for live demonstration
  • An oltp workload run can be set to gradually increase the arrival rate
  • $queueeverytiming:on directive to include emulated queue time
  • Updated awreport and new awrdump utilities

3.0.3

  • Improve output in connping/ociping
  • Directive to not use runtime load balancing in session pools
  • Various bug fixes
  • Various doc/help improvements
  • oltp: Save and report buffer cache/shared pool size
  • oltp: Output details about aw_cols size and access
  • oltp: Option to emulate batch with no wait time
  • New more secure syntax for file/pipe open
  • Public utility netthroughput.rwl replaces nettest.rwl
  • Add case, switch, when as future keywords

3.0.2

  • Generate executables with rwl scripts included
  • Keyword username can be omitted
  • Various bug fixes
  • The defined function returns false if e.g. a database hasn't connected
  • -X, -Y, etc also impact declared default database
  • Now building on Oracle Linux 8

3.0.1

  • Implicit bind/define and printf are now Production
  • Immediate SQL execution
  • Embedded SQL
  • Various small updates and bugfixes
  • SQL scan is now initiated by any SQL keyword; these can therefore not be used as identifiers.
  • Test database is now multitenant and version 21.3
  • If there is a default database, a session is availble in main
  • User options and switches with hyphen when variable has underscore
  • Flush a sql with dml array without commit
  • Use external authentication if neither username nor password is set
  • There is a system statement similar to the system function
  • Improved error messages at syntax errors
  • Authentication such as sysdba is possible

3.0.0

  • Implicit bind and define for much simplified scripting
  • fprintf for smarter output

2.3.6

  • Allow connect re-attempts during initial database creation
  • Allow database credentails u/p@c as one string (username)
  • Add a break statement to break out of loops
  • Various bug fixes
  • Various improvemets in oltp workload
  • Various man page and other documentation improvements
  • Started OS X port, still in BETA!
  • Add oltpplot options to augment graphs with timestamp information
  • Not released, becomes 3.0.0 release

2.3.5

  • rwlrun table has extra columns for aux use nattr[123], sattr[123]
  • Streamlined oltp workload and its documentation
  • Reorganized some reference manual pages
  • Add -W -K options to oltpcore
  • The sql or pl/sql text can alternatively be a concatenation
  • Add oltpplus command to call sqlplus as various users
  • Add modify database commands to change cursor cache size and sessionpool parameters
  • Add epochseconds variable returning the UNIX epoch
  • Default database from -l option can be threads dedicated
  • Improved scan of first file
  • Various bug fixes

2.3.4

  • Internal development relase only

2.3.3

  • Add possibility to leak cursors to simulate bad application behavior
  • Add (chain of) elseif to if statement
  • Support bison >= 3.04 only; stop using deprecated bison features
  • Provide yydebug using debug bit (-D) 0x4
  • Various bug fixes

2.3.2

  • include with < > always searches in publicdir, so -u option is only for command line files
  • Add user provided connection class for drcp and session pool
  • Add connectionpool (using OCIConnectionPool)
  • Allow use of "loop" keyword with "while"
  • The serverrelease function accepts the keyword default or results
  • Many updates to documentation
  • Add rwlman references pages to homepage on github
  • Various bugfixes

2.3.1

  • Various improvements to docs and rwlman pages
  • Banner shows UTC time by default (as time in repository is also UTC)
  • Rename doc directory to docs and make it available as a github page
  • Few associated modifications to files in the docs directory
  • Minor bug fixes
  • Released with Production label

2.3.0

Released publicly at github; labeled Limited Production

  • Smarter escape handing in strings
  • Minor changes to oltp workload scripts
  • Lots of documentation improvement
  • Hardening after parfait and fortify
  • Add exit statement
  • Add oltp workload
  • Fix bug with reconnect database in threads
  • Move directories rwl/* one level up. This makes --publicsearch incompatible with previous distribution

2.2.4

  • Add regexextract
  • Allow doubles being input in exponential notation
  • Allow string length to be immediate_expression
  • Bug with dynamic SQL in threads fixed; tests added
  • Warnings about uniform and comparison when double is taken as integer
  • New syntax for control loop (old still supported, but not documented)
  • Remove all sharding code that wasn't working anyway
  • Correct $longoption:publicsearch
  • Allow concatenation as procedure/function arguments
  • Fix wrong casts from ub4 to ub8
  • Replace strcpy+strcat with snprintf to remove overrun risk
  • Improve some diagnostics for bad input
  • Remove legacy in various places and lots of #ifdef NEVER
  • Various minor bug fixes
  • Add tests for clob inside pl/sql
  • Major changes to documentation