40 lines
1.6 KiB
Bash
40 lines
1.6 KiB
Bash
#!/bin/sh
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source "`dirname ${BASH_SOURCE[0]}`/mysql-scripts-common"
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upgrade_info_file="$datadir/mysql_upgrade_info"
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version=0
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# get version as integer from mysql_upgrade_info file
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if [ -f "$upgrade_info_file" ] && [ -r "$upgrade_info_file" ] ; then
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version_major=$(cat "$upgrade_info_file" | head -n 1 | sed -e 's/\([0-9]*\)\.\([0-9]*\)\..*$/\1/')
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version_minor=$(cat "$upgrade_info_file" | head -n 1 | sed -e 's/\([0-9]*\)\.\([0-9]*\)\..*$/\2/')
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if [[ $version_major =~ ^[0-9]+$ ]] && [[ $version_minor =~ ^[0-9]+$ ]] ; then
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version=$((version_major*100+version_minor))
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fi
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fi
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# compute current version as integer
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thisversion=$((@MAJOR_VERSION@*100+@MINOR_VERSION@))
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# provide warning in cases we should run mysql_upgrade
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if [ $version -ne $thisversion ] ; then
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# give extra warning if some version seems to be skipped
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if [ $version -gt 0 ] && [ $version -lt 505 ] ; then
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echo "The datadir located at $datadir seems to be older than of a version 5.5. Please, mind that as a general rule, to upgrade from one release series to another, go to the next series rather than skipping a series." >&2
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fi
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cat <<EOF >&2
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The datadir located at $datadir needs to be upgraded using 'mysql_upgrade' tool. This can be done using the following steps:
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1. Back-up your data before with 'mysql_upgrade'
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2. Start the database daemon using 'service @DAEMON_NAME@ start'
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3. Run 'mysql_upgrade' with a database user that has sufficient privileges
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Read more about 'mysql_upgrade' usage at:
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http://dev.mysql.com/doc/refman/5.6/en/mysql-upgrade.html
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EOF
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fi
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exit 0
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