From a98ecc2aafcbc08f27a2f7faba872e7a0d25fee2 Mon Sep 17 00:00:00 2001 From: Sergei Golubchik Date: Sat, 23 Apr 2016 12:19:40 +0200 Subject: [PATCH] support SEARCH_RANGE in search_pattern_in_file.inc Backport a part of commit 439f75f Author: Kristian Nielsen Date: Mon Jun 30 13:59:21 2014 +0200 Fix test failures in rpl.rpl_checksum and rpl.rpl_gtid_errorlog. --- mysql-test/include/search_pattern_in_file.inc | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/mysql-test/include/search_pattern_in_file.inc b/mysql-test/include/search_pattern_in_file.inc index c047b5bc499..0d09cdcd36e 100644 --- a/mysql-test/include/search_pattern_in_file.inc +++ b/mysql-test/include/search_pattern_in_file.inc @@ -10,6 +10,10 @@ # The environment variables SEARCH_FILE and SEARCH_PATTERN must be set # before sourcing this routine. # +# Optionally, SEARCH_RANGE can be set to the max number of bytes of the file +# to search. If negative, it will search that many bytes at the end of the +# file. The default is to search only the first 50000 bytes of the file. +# # In case of # - SEARCH_FILE and/or SEARCH_PATTERN is not set # - SEARCH_FILE cannot be opened @@ -38,6 +42,7 @@ # --error 0,1 # --remove_file $error_log # let SEARCH_FILE= $error_log; +# let SEARCH_RANGE= -50000; # # Stop the server # let $restart_file= $MYSQLTEST_VARDIR/tmp/mysqld.1.expect; # --exec echo "wait" > $restart_file @@ -57,8 +62,18 @@ perl; use strict; my $search_file= $ENV{'SEARCH_FILE'} or die "SEARCH_FILE not set"; my $search_pattern= $ENV{'SEARCH_PATTERN'} or die "SEARCH_PATTERN not set"; + my $search_range= $ENV{'SEARCH_RANGE'}; + my $file_content; + $search_range= 50000 unless $search_range =~ /-?[0-9]+/; open(FILE, "$search_file") or die("Unable to open '$search_file': $!\n"); - read(FILE, my $file_content, 50000, 0); + if ($search_range >= 0) { + read(FILE, $file_content, $search_range, 0); + } else { + my $size= -s $search_file; + $search_range = -$size if $size > -$search_range; + seek(FILE, $search_range, 2); + read(FILE, $file_content, -$search_range, 0); + } close(FILE); if ( not $file_content =~ m{$search_pattern} ) { die("# ERROR: The file '$search_file' does not contain the expected pattern $search_pattern\n->$file_content<-\n");