diff options
Diffstat (limited to 'mysql-test/include/binlog_start_pos.inc')
-rw-r--r-- | mysql-test/include/binlog_start_pos.inc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/mysql-test/include/binlog_start_pos.inc b/mysql-test/include/binlog_start_pos.inc new file mode 100644 index 00000000..5412a7ea --- /dev/null +++ b/mysql-test/include/binlog_start_pos.inc @@ -0,0 +1,28 @@ +############################################################################## +# +# binlog_start_pos is the postion of the the first event in the binary log +# which follows the Format description event. Intended to reduce test suite +# dependance on the Format description event length changes (e.g. in case +# of adding new events). Evaluated as: +# +# binlog_start_pos = 4 /* binlog header */ + +# (Format_description_log_event length) +# +# Format_description_log_event length = +# 19 /* event common header */ + +# 57 /* misc stuff in the Format description header */ + +# number of events + +# 1 /* Checksum algorithm */ + +# 4 /* CRC32 length */ +# +# With current number of events = 171, +# +# binlog_start_pos = 4 + 19 + 57 + 171 + 1 + 4 = 256. +# +############################################################################## + +--disable_query_log +set @binlog_start_pos=256 + @@encrypt_binlog * (36 + (@@binlog_checksum != 'NONE') * 4); +--enable_query_log +let $binlog_start_pos=`select @binlog_start_pos`; + |