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Alvaro Herrera 7bafffea64 pgbench: Allow changing weights for scripts 
Previously, all scripts had the same probability of being chosen when
multiple of them were specified via -b, -f, -N, -S.  With this commit,
-b and -f now search for an "@" in the script name and use the integer
found after it as the drawing probability for that script.

(One disadvantage is that if you have script whose names contain @, you
are now forced to specify "@1" at the end; otherwise the name's @ is
confused with a weight separator.  We don't expect many pgbench script
with @ in their names in the wild, so this shouldn't be too serious a
problem.)

While at it, rework the interface between addScript, process_file,
process_builtin, and findBuiltin.  It had gotten a bit out of hand with
recent commits.

Author: Fabien Coelho
Reviewed-By: Andres Freund, Robert Haas, Álvaro Herrera, Michaël Paquier
Discussion: http://www.postgresql.org/message-id/alpine.DEB.2.10.1603160721240.1666@sto
2016-03-19 12:32:42 -03:00
config Cope if platform declares mbstowcs_l(), but not locale_t, in <xlocale.h>. 2016-03-15 13:19:57 -04:00
contrib Directly modify foreign tables. 2016-03-18 13:55:52 -04:00
doc pgbench: Allow changing weights for scripts 2016-03-19 12:32:42 -03:00
src pgbench: Allow changing weights for scripts 2016-03-19 12:32:42 -03:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Fix whitespace and remove obsolete gitattributes entry 2016-03-13 16:03:13 -04:00
.gitignore Add .gitignore entries for AIX-specific intermediate build artifacts. 2015-07-08 20:44:22 -04:00
aclocal.m4 Replace our hacked version of ax_pthread.m4 with latest upstream version. 2015-07-08 20:36:06 +03:00
configure Cope if platform declares mbstowcs_l(), but not locale_t, in <xlocale.h>. 2016-03-15 13:19:57 -04:00
configure.in Cope if platform declares mbstowcs_l(), but not locale_t, in <xlocale.h>. 2016-03-15 13:19:57 -04:00
COPYRIGHT Update copyright for 2016 2016-01-02 13:33:40 -05:00
GNUmakefile.in Fix distclean/maintainer-clean targets to remove top-level tmp_install dir. 2015-05-13 18:48:05 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	http://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.