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# Maria helper script
# Copies table' data and index file to other directory, or back, or compares.
# The other directory looks like a database directory, so that we can
# read copies from inside mysqld, that's also why we copy the frm.
# "mms" is a namespace for Maria_Make_Snapshot
# API:
# 1) set one of
# $mms_copy : to copy table from database to spare directory
# $mms_reverse : to copy it back
# $mms_compare_physically : to compare both byte-for-byte
# 2) set $mms_tname to a string and set $mms_table_to_use to a number: tables
# will be mysqltest.$mms_tname$mms_table_to_use.
# 3) set $mms_purpose to say what this copy is for (influences the naming
# of the spare directory).
if ($mms_copy)
{
--echo * copied $mms_tname$mms_table_to_use for $mms_purpose
copy_file $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAD $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAD;
copy_file $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAI $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAI;
copy_file $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.frm $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.frm;
}
if ($mms_reverse_copy)
{
# do not call this without flushing target table first!
--disable_warnings
--echo * copied $mms_tname$mms_table_to_use back for $mms_purpose
-- error 0,1
remove_file $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAD;
--enable_warnings
copy_file $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAD $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAD;
--disable_warnings
-- error 0,1
remove_file $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAI;
--enable_warnings
copy_file $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAI $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAI;
}
if ($mms_compare_physically)
{
# After the UNDO phase this is normally impossible
# (UNDO execution has created new log records => pages have new LSNs).
# So, do this only when testing REDO phase.
# If UNDO phase, we nevertheless compare checksums
# (see maria_verify_recovery.inc).
--echo * compared $mms_tname$mms_table_to_use to old version
diff_files $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAD $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAD;
# index file not yet recovered
# diff_files $MYSQLD_DATADIR/mysqltest/$mms_tname$mms_table_to_use.MAI $MYSQLD_DATADIR/mysqltest_for_$mms_purpose/$mms_tname$mms_table_to_use.MAI;
}
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