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536 lines
23 KiB
536 lines
23 KiB
3 years ago
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# @(#)HISTORY 2.1.8.3
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Changes as of 10/11/99
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-- versions: TPCH 1.2.0a, TPCR 1.1.0a
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-- Correction to segmented updates that was causing extra file to be
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generated
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-- Porting changes for DigUnix
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Changes as of 08/28/99
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-- versions: TPCH 1.2.0, TPCR 1.1.0
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-- reduced parameter substitution range for Q18
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-- added new option to specify location of dists file (-b)
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-- added DBGEN option to suppress all output (-q)
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Changes as of 08/16/99
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-- versions: TPCH 1.1.0a, TPCR 1.0.1e
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-- prevent "reuse" of original data in update files
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-- correction to lint target in makefile.suite
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-- removal of vestigal l_partkey predicate from 21.sql
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-- reorder lineitem/order join in q5
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-- removal of table aliases from 2.sql
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-- randomize seeding of qgen RNG to close bug 52
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-- correct possible round off error in segmented update files
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-- corrected soft copy answer set for Q22
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-- corrected percision of answer set for Q19
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Changes as of 07/08/99
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-- versions: TPCH 1.1.0, TPCR 1.0.1
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-- WORKLOAD must be set to either TPCH or TPCR in the makefile
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-- unneeded reference to part table removed from q21 template
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Changes as of 06/04/99
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-- version 1.0.1d
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-- Restarted version numbering to match specification revisions for
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TPC-H and TPC-R
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-- Corrected answer set for for Q13
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-- Corrected parameter substitutions for Q16, Q17, Q19, Q20, Q21, Q22
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-- Corrected RNG initialization in qgen.c
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-- added adhoc.c adhoc.h to code base to support randomized data sets;
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currently disabled
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-- replaced calls to UnifInt() row_stop with call to NthElement()
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-- Corrected a problem that caused small negative money values to print as
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a positive value
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-- Simplication of PR_xxx macros
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-- QGEN building correct parameter logs again
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******************
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* NOTE NOTE NOTE *
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******************
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Below this line the file refers to TPC-D which was retired in favor of
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TPC-H and TPC-R. Since the new speicifications are numbered from 1.0.0
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the program version was reset.
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******************
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* NOTE NOTE NOTE *
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******************
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Changes as of 01/05/99
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-- version 2.0.1
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-- added 1999 to the copyright notice
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-- corrected C++ compilation problem
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-- sub-select phrasing corrected in Q4, Q21, Q22
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-- added support for segmenting update files (contributed by Larry Kemp, HP)
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Changes as of 12/08/98
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-- version 2.0.0
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-- removed permute.h from clean target in makefile
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Changes as of 11/17/98
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-- version 2.0.0 Alpha 8
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-- corrected o_custkey overrun bug
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-- removed upper bound on -C command option
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-- added static permute.h to distribution to match the specification
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Changes as of 10/23/98
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-- version 2.0.0 Alpha 7
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-- removed references to DSS_SEED and SEED_TAG
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-- minor query template cleanup
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-- V2 answer sets added
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-- correction to hd_sparse for SF > 300
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-- added static declaration to row types in gen_tbl to fix update problem
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-- permuted params to Q22
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Changes as of 5/19/98
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-- version 2.0.0 Alpha6b
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-- removed trailing apostrophe from dists.dss nouns for Tandem loader
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-- corrected mk_sparse() problem with alpha6
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-- added 64b support for NCR/Metaware
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-- corrected revision problem with 2.0.0.6
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Changes as of 5/7/98
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-- version 2.0.0 Alpha6
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-- corrected generation of parent/child tables in parallel
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-- renamed ORDER table to ORDERS table
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-- revision of DBGEN synced with revision of 2.0 specification
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-- portability changes to process termination provided by John Matzka
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-- portability changes for Watcom C provided by Andrew Eisenberg
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-- indentation of specifications/templates now matches
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-- queries now include a consistant header format
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Changes as of 4/28/98
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-- version 2.0.0 Alpha5
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-- NO RELEASE OF ALPHA 5 ; skipped to sync spec/DBGEN revision levels
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Changes as of 4/6/98
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-- version 2.0.0 Alpha4
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-- corrected parallel table generation
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-- minor corrections to query templates
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-- portability changes for HP
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Changes as of 3/24/98
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-- version 2.0.0 Alpha3
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-- include substitution parameters for Q22
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-- correct substitution parameters for Q16 under AIX
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-- include permute.h until unix/NT makefile fix
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-- correct orderkey generation
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Changes as of 3/20/98
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-- version 2.0.0 Alpha2
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-- correct runtime malloc error from bad INIT_HUGE macro
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-- improve pseudo text distribution in comments
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-- fix problem with parallelism of data gen
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-- re-enable generation of parent/child tables
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-- remove recombinaton code for parallel flat files
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Changes as of 3/11/98
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-- version 2.0.0 Alpha1
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-- removed the TIME table
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-- removed the need for seed files
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-- made 1GB the validation database size
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-- add pseudo text support in comments
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-- correct character selection in a_rnd()
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-- correct population of P_NAME
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-- removed unclaimed variants
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-- added new queries 18-22, replaced Q13
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Changes as of 2/6/98
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-- version 1.3.1
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-- Revised 64 bit support to clean up bcd2_bin()and mk_sparse()
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-- Add 64b support for NT
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Changes as of 12/31/97
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-- version 1.3.0
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-- support for seed generation > 1TB (data gen still to be tested)
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-- rework of 64b support
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-- added bcd support for subtraction, comparison, modulo
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-- added 1998 to the copyright notice
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-- clarified comments in dists.dss
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-- corrected substitution problem in Q11
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-- standardized fopen() error messages with OPEN_CHECK()
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-- introduced PATH_SEP in config.h to allow changes in path separators
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Changes as of 12/15/96
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-- version 1.2.0
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-- corrected typos in queries 8a, 8c, 8d, 11a, 12F and 14F, 17a
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-- added variant 15c
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-- defined MAX_SCALE and MIN_SCALE; issued error messages for SF > 1000
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since implementation is incomplete
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-- seed file generation can now be resumed with dbgen -R <n> ...
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-- corrected slight compile bug under Solaris 2.5.1
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-- documented compile problems under SunOS
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Changes as of 8/1/96
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-- version 1.1.0D
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-- included new variants for queries 8 and 15
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-- re-introduced answer sets in the source tree
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Changes as of 5/1/96
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-- version 1.1.0C
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-- unified version numbering of DBGEN and QGEN
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-- updated BUGS list
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-- removed FAQ from soft appendix; web site will keep the current
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version of the FAQ
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-- added 1996 to the copyright notice
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-- corrected bug in PR_DATE macro; NO CHANGE TO DATA SET
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-- properly initialize param values for cleaner logging
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-- adjusted output format of Q11 partam to allow scaling to 1TB
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-- corrected typos in variant 14c
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-- corrected data type for YEAR in variant 8c
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-- corrected typos in variant 10a
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-- added variant 8d
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Changes as of 1/23/96
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-- qgen version 1.1.0B
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-- include support for ANSI semantics
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-- improved patch for seed sensetivity
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Changes as of 1/23/96
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-- updated BUGS list
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-- dbgen version 1.1.0A
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-- patch to limit BCD2 fields to 12 characters for columnar output
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-- qgen version 1.1.0A
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-- patch to fix the "unknown flag" problem
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-- patch to fix the seed sensetivity problem
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Changes as of 12/19/95
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-- updated BUGS list
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-- dbgen version 1.1.0
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-- upped default value of MAX_CHILDREN to 1000
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-- corrected naming of detail tables in incremental load
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-- corrected range delete output
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-- forced delete files to truncate existing files
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-- removed fixed size tables from seed generation
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-- corrected overflow problem with large scale seed generation
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-- allow date generation as MM-DD-YY based on config.h #define
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-- correct truncation problem with columnar output in PR_VSTR()
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-- added support for Windows NT
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-- added PLATFORM macro to makefile, removed platform defines from
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config.h
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-- removed MAX_CHILDREN define from config.h (set to 1000 in dss.h)
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-- qgen version 1.1.0
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-- correct SET_OUTPUT macro to TDAT
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-- use %ld in output for q17; portability
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-- add support for SQLSERVER database dialect
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-- add support for SYBASE database dialect
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-- adjust parameter ranges for Q1, Q3, Q6
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-- add -T/-t option to usage summary
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-- added support for Windows NT
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Changes as of 09/01/95
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-- qgen version 1.0.1
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-- formalized version numbering
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-- -p now generates correct query permutations
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-- added separate verion number for qgen
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-- corrected Q3 substitution problem
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-- updated permissible range for Q10
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-- corrected rowcount_dflt and the MAX row indicator (-1)
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-- expanded param logging to include all possible parameters
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-- allowed qgen's -d option to be used at all scale factors
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-- made parameter substitution permutation-independent
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-- added qgen suppport for END_TRAN (-E) and DFLT_NUM (-N)
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-- correct handling of :n directive
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-- added more complete explanation of QGEN to README
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-- rename of random to rndm, for portability
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-- dbgen version 1.0.1
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-- formalized version numbering
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-- inclusion of SF=1 seed file
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-- correct typo in usage() update example
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-- patch to driver.c to allow correct updates
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-- documentation change to README to clarify seed/stage/update
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intereaction
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-- corrected minor glitch in "open failed" error msg in print.c
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-- added missing line continuation to makefile.suite
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-- seed files are now based on scale factor and number of generators
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-- seed files now hold seeds for one "step" of a given build
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-- clean up of parallel load routines
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-- inclusion of faster seed generation routines from Susanne Englert
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-- removed the -E(xisting) option
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-- assure proper scaling of O_CUSTKEY
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-- corrected default update percentage
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-- proper handling of child tables with '-O f'
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-- removed seed files from the distribution
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-- modified rpb_routine() to limit contribution of partkey in
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retailprice
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-- added '-S(tep)' option to allow multi-stage loads
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-- roll in of 32 bit speed_seed routines from Dick Shelton
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-- miscelaneous typo corrections in the documentation
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-- cleanup of usage output
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Changes as of 05/08/95
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-- version 1.0
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-- add Teradata defines to tpcd.h for QGEN
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-- add :c to query templates for database CONNECT syntax
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-- add examples of DBGEN and QGEN usage to README
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-- add -T option to qgen to allow time able usage
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-- query template names only requre .sql suffix, rest is arbitrary
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Changes as of 03/13/95
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-- version 9.1
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-- surround DBNAME with ifndef in config.h
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-- remove -DDBNAME from makefile.suite
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-- sync varchar handling with 9.1 draft
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Changes as of 02/21/95
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-- version 9.0a
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-- fixed bug in qgen that incorrectly included rnd.h
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-- included revised DDL with changes for char/varchar and l_quantity
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-- updated DBGEN help message to include new single table options for
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order/lineitem and part/partsupp
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-- included handling for multi-set seed files TPCDSEED.xxx
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-- generated seeds up through 400GB; headed to 1TB!
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-- ANSI lint cleanup; more needed
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-- UF2 now defaults to key lists; use "-O r" to generate key ranges
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also note, this routine this routine does NOT use the BCD2_*
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routines. As a result, it WILL fail if the keys being deleted
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exceed 32 bits. Since this would require ~660 update iterations,
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this seems an acceptable oversight
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Changes as of 01/19/95
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-- version 9.0
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-- allowed command line seeding of RNG for QGEN
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-- order and number of params in QGEN now matches
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presentation in spec
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-- fixed bug in time table format of O_ORDERDATE
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-- changed l_QUANTITY to FLOAT in dss.ddl
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-- reworked QGEN options to be more useful
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-- allowed creation of sparse keys beyond 32 bits (for 1TB)
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-- removed unused '#ifdef' and associated code
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-- allowed independent generation of master/detail tables
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(eg, order/lineitem)
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Changes as of 12/06/94
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-- version 8.6
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-- fixed renaming of flat files for child tables
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-- various documentation fixes
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-- added naming convention section to Porting.Notes
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-- added -DIBM flag to config.h
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-- synced up QGEN with draft 8.1
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Changes as of 10/25/94
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-- version 8.5a
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-- corrected bug in columnar output of pr_supp
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-- added pr_drange to generate a list of order keys to be
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deleted instead of generating SQL
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-- added '-O d' to generate range delete as SQL
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-- updated default values for QGEN to sync with spec 8.1
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-- corrected MK_SPARSE to reflect groups of 8
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-- corrected a bug in o_orderstatus
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-- regenerated seed files for SF in [1,10]
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-- ANSI cleanup (primarily function declarations)
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Changes as of 10/11/94
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-- version 8.5
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-- remove deletes/inserts to other than order/lineitem
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-- increased cardinality for part.type part.container
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-- '-r' argument is now integer; percentage in basis points
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-- initial roll-in of new update scheme
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-- added BBB comments to supplier table
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Changes as of 9/27/94
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-- version 8.4
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-- all money calculations now use integer math. This should
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bring everyone's data sets into exact aggreement.
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Changes as of 9/21/94
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-- version 8.3b
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-- fixed handling of MAX_STREAM
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-- added floor function to RPRICE bridge
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-- misc lint cleanup (type fixes, new prototypes, etc.)
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-- MONEY format becomes lf for DOS
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-- further cleanup of PR_VSTR and its length argument
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-- change to parameter generation for Q6 to allow for float
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discount
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Changes as of 9/15/94
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-- version 8.3a
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-- isolated MONEY format for Unisys (Lf) using DOS
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-- make sure all arguments to MAKE_MONEY were double's
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-- rolled in NEW_PTEXT to allow Berni to experiment
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Changes as of 9/12/94
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-- version 8.3
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-- added -T n and -T r to usage to match getopt() and README
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-- changed PR_MONEY to remove leading blanks
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-- included revised DDL from Berni
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-- included some MVS portability fixes in re malloc.h
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-- cleaned up error messages in qgen and made #define ofp usage
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universal
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-- additional DOS portability changes
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-- added {c,a}len to provide specific length for columnar
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output of varchar
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-- added PR_VSTR to handle varchar printing under MVS
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-- fixed bit masking in a_rnd and cleaned up prototype match
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with V_STR
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-- PR_MONEY now used %Lf
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-- added revised pseudo text under NEW_PTEXT ifdef for
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experiments
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Changes as of 9/09/94
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-- version 8.2
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-- l_discount and l_tax are now fractional (per teleconference)
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-- money calculations moved to scaled integer math to clean up
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answer sets
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-- changed PR_FLT() to PR_MONEY to clarify usage
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-- portability changes for SYBASE: dbname --> db_name
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STATUS --> DBGEN_STATUS
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-- added nations2 to dists.dss to handle qgen needs for now
|
||
|
|
-- reintroduced #ifndef DOS
|
||
|
|
-- reintroduced U2200 define to control kill_load()
|
||
|
|
-- broke out nation and region separately in -T option
|
||
|
|
-- updated dss.ddl based on mail from Berni
|
||
|
|
Changes as of 8/31/94
|
||
|
|
-- version 8.1
|
||
|
|
-- scaling for clerks needed to be 1000 (was 100)
|
||
|
|
-- added qgen parameter for scale
|
||
|
|
-- changed qgen parameter from s)tream to p)ermutation
|
||
|
|
-- synced qgen paramter values with 8.0 spec
|
||
|
|
-- corrected duplications in dists.dss
|
||
|
|
Changes as of 8/24/94
|
||
|
|
-- version 8.0
|
||
|
|
-- added sparse keys to lineitem/order
|
||
|
|
-- added varchar generation for comments/addresses
|
||
|
|
-- added variable lineitems/orders
|
||
|
|
-- removed ifdef for normalized code_tables
|
||
|
|
-- included code for parameter generation and template->EQT
|
||
|
|
routines
|
||
|
|
-- updated README and Porting.Notes to reflect QGEN
|
||
|
|
-- included DDL and RI examples from Berni
|
||
|
|
Changes as of 6/15/94
|
||
|
|
-- version 7.0b (numbers now match spec revsion)
|
||
|
|
-- rework of code tables to properly map nation/region; when
|
||
|
|
compiled with -DCODE_TABLES distributions are taken from
|
||
|
|
code.dss and two additional fields are generated for
|
||
|
|
customers and suppliers, [cs]_ncode and [cs]_rcode,
|
||
|
|
immediately following [cs]_region
|
||
|
|
-- replaced ifdef's around DEAD_DATA with opposites. DEAD_DATA
|
||
|
|
is now the default
|
||
|
|
-- worked through code to see that it conformed to 7.0
|
||
|
|
specification
|
||
|
|
-- adjusted scale factors/rowcounts for 1 GB == sf1
|
||
|
|
-- brought help message in line with current code
|
||
|
|
-- fixed order per customer at 10
|
||
|
|
-- make suppkey scalable in lineitem/partsupp
|
||
|
|
Changes as of 4/25/94
|
||
|
|
-- version 1.5
|
||
|
|
-- added the customers with no orders; Compile with -DDEAD_DATA
|
||
|
|
to activate the change.
|
||
|
|
-- added the code table for nation and region;
|
||
|
|
Compile with -DCODE_TABLES to activate the change.
|
||
|
|
Changes as of 3/17/94
|
||
|
|
-- version 1.41
|
||
|
|
-- completed implementation of JULIAN_DAY after talks with Berni
|
||
|
|
-- misc cleanup in usage/README files
|
||
|
|
-- removed all tabs and capped line length at 75
|
||
|
|
-- added -n option to allowing naming of inline-loaded database
|
||
|
|
Changes as of 3/16/94
|
||
|
|
-- version 1.4
|
||
|
|
-- prottyped julian day/month for query re-write work. Compile
|
||
|
|
with -DJULIAN_DAY to enable
|
||
|
|
-- removed gen_times() from driver.c
|
||
|
|
-- added VMS ifdef to config.h to clean up fork/signal issues
|
||
|
|
-- added ICL ifdef to config.h to clean up getopt() issues
|
||
|
|
-- changed header file references to config.h from machine.h
|
||
|
|
Changes as of 3/2/94
|
||
|
|
-- version 1.31
|
||
|
|
-- corrected format of C_NAME to match S_NAME and O_CLERK
|
||
|
|
-- re-allowed fractional scale factors < 1 (updates not
|
||
|
|
contiguous)
|
||
|
|
-- added DSS_CONFIG environemnt variable
|
||
|
|
-- reworked read_dist() to look for DSS_DIST in DSS_CONFIG
|
||
|
|
-- updated the README file
|
||
|
|
Changes as of 2/16/94
|
||
|
|
-- version 1.3
|
||
|
|
-- added command line options for parallel load and data set
|
||
|
|
expansion
|
||
|
|
-- changed dists.dss delimiter to | for portability
|
||
|
|
-- limited scale factors to integer values
|
||
|
|
-- added command line option for seed file generation
|
||
|
|
-- added all seed files to distribution for SFs 1 - 10
|
||
|
|
-- moved machine.h to config.h and added MAX_CHILDREN define
|
||
|
|
-- added 'f' flag to options to allow renaming of output files
|
||
|
|
-- added generation of SQL delete statements to match updates
|
||
|
|
(Note: updates are still single-threaded; -C is cleared
|
||
|
|
by -U)
|
||
|
|
-- corrected field sizing in dsstypes.h typedefs to match v 6.4
|
||
|
|
-- update percentage default set to 1%
|
||
|
|
Changes as of 12/3/93
|
||
|
|
-- version 1.2
|
||
|
|
-- added command line option to adjust update percentage
|
||
|
|
-- fixed update gneration for proper primary key ordering
|
||
|
|
-- renamed UUSR/PRC to RUSSIA/CHINA in dists.dss
|
||
|
|
-- cleaned up phone number generation to be consistant regard-
|
||
|
|
less of order of evaluation
|
||
|
|
-- adjusted size of lineitem comment to bring data in line with
|
||
|
|
100 MB == SF=1
|
||
|
|
Changes as of 10/15/93
|
||
|
|
-- added command line option for update data creation
|
||
|
|
-- miscelaneous porting and cleanup changes
|
||
|
|
-- reworked table generation to allow reuse for updates
|
||
|
|
-- added comment field to tdefs structure
|
||
|
|
-- added load_state and store_state to sync data gen and
|
||
|
|
update gen
|
||
|
|
Changes as of 7/26/93
|
||
|
|
-- combined loader and header stubs in load_stubs.c
|
||
|
|
-- separated Revision History (this file) from README
|
||
|
|
-- simplified makefile
|
||
|
|
-- removed redundancies from colors distribution
|
||
|
|
-- added getopt() for portability
|
||
|
|
-- created Porting.Notes
|
||
|
|
-- adjusted scaling rules
|
||
|
|
-- added help option to the command line
|
||
|
|
Changes as of 2/26/93
|
||
|
|
-- combined all typedefs in one header: dsstypes.h
|
||
|
|
-- combined flat file generation in print.ec
|
||
|
|
-- combined typedef population in build.ec
|
||
|
|
-- added -P to control rowcnt scaling (P for percentage)
|
||
|
|
-- added -D option for Direct data generation and added
|
||
|
|
appropriate hooks in tdefs[] structure
|
||
|
|
-- added -F option for flat file generation
|
||
|
|
-- reused -T option (use -P 0.1 to build test size database)
|
||
|
|
now accepts suboptions c,o,p,s for single table builds.
|
||
|
|
-- dropped -M option (scaling is now by rowcount)
|
||
|
|
-- added -O option for optional controls. Currently defined:
|
||
|
|
-O t -- generate optional time table a join fields in
|
||
|
|
order/lineitem
|
||
|
|
-O h -- generate headers for flat file output
|
||
|
|
-O m -- generate fixed column-length output
|
||
|
|
-- removed dynamic memory allocation, redundant calls to
|
||
|
|
UnifInt, etc to improve performance
|
||
|
|
Changes as of 1/12/92
|
||
|
|
-- julian() changed to handle orders->orderdate correctly
|
||
|
|
-- rflag distributions corrected in dists.dss
|
||
|
|
-- sea, gold removed from color distribution to clean up substring
|
||
|
|
problems
|
||
|
|
-- part->number and supplier-> adjusted for 1-based indexing
|
||
|
|
-- time->day changed to be day of month, not day of year
|
||
|
|
-- t.week changed to be week in year, not day of week
|
||
|
|
Changes as of 11/18/92
|
||
|
|
-- checked line length and tab for transmission
|
||
|
|
-- another chapter in the portability wars. added #include
|
||
|
|
"machine.h" to dss.h (which is included by everyone else). Any
|
||
|
|
machine particular porting changes should go here.
|
||
|
|
-- fixed fixed-field formats to prevent double printing
|
||
|
|
-- expanded PR_FLT formats to %010.2
|
||
|
|
Changes as of 10/21/92
|
||
|
|
-- added fixed format and column header handling; users of headers
|
||
|
|
will have to define the header functions to be called in
|
||
|
|
int (*tdefs.header)()
|
||
|
|
Changes as of 10/09/92:
|
||
|
|
-- added ansi prototypes and recompiled with gcc -ansi. users may
|
||
|
|
need to change the CC definition in the makefile and the contents
|
||
|
|
of CFLAGS to reflect their particular ansi compiler.
|
||
|
|
-- replaced all int references with long
|
||
|
|
-- replaced all float references with double
|
||
|
|
-- found and fixed odate/julian problem TS mentioned in 10/09 phone
|
||
|
|
call
|
||
|
|
|
||
|
|
Changes as of 9/09/92:
|
||
|
|
-- Park/Miller random number generator included
|
||
|
|
-- clerk scaling changed to 100 * scale
|
||
|
|
-- parts.name always built from 5 selections from colors set
|
||
|
|
-- test scaling changed to ~60MB (TEST_SCALING == 10)
|
||
|
|
-- logarithmic scaling removed
|
||
|
|
-- mfgcost removed and retail/supplier cost bounds adjusted
|
||
|
|
-- agg_str memory leak fixed
|
||
|
|
-- independent RNG streams on a per column basis
|
||
|
|
|
||
|
|
This is the revised data generator for DSS.
|
||
|
|
|
||
|
|
The rewrite tried to accomplish three things: (1) identify and isolate
|
||
|
|
all the implicit assumptions about limits, bounds, ranges, distribu-
|
||
|
|
tions, etc.; (2) standardize the way any given table was generated/
|
||
|
|
printed to ease understanding and maintenance; (3) bring the generator
|
||
|
|
in line with the current work of the committee and the excellent spec
|
||
|
|
the Indira put together; (4) provide an easy way to adjust distribu-
|
||
|
|
tions, string contents and to facilitate experimentation to get a
|
||
|
|
better idea of the impact of data population changes.
|
||
|
|
|
||
|
|
The files included are:
|
||
|
|
|
||
|
|
driver.c ------- main and the calling routines for the generators
|
||
|
|
dist.c ------- should really be named dss_util.c; misc routines
|
||
|
|
customer.c ------- generation and print routines for customer table
|
||
|
|
orders.c ------- "" "" order table
|
||
|
|
parts.c ------- "" "" parts/partsupp
|
||
|
|
suppliers.c ------- "" "" suppliers table
|
||
|
|
time.c ------- "" "" time table
|
||
|
|
customer.h ------- associate header files; contain structure
|
||
|
|
definitions
|
||
|
|
dss.h dss.h holds the large number of assumptions and
|
||
|
|
orders.h values that have been used as IFDEFs.
|
||
|
|
parts.h
|
||
|
|
suppliers.h
|
||
|
|
time.h
|
||
|
|
dists.dss ------- string selections and weights; used to build
|
||
|
|
distributions
|
||
|
|
|
||
|
|
Running make will create an executable (using the compiler flags in
|
||
|
|
CFLAGS, the ld flags in LDFLAGS and the libraries in LIBS [-O, -s,
|
||
|
|
and -lm by default]) which will create flat files suitable for dbload.
|
||
|
|
t
|
||
|
|
|