- Make the range-et-al optimizer produce E(#table records after table
condition is applied),
- Make the join optimizer use this value,
- Add "filtered" column to EXPLAIN EXTENDED to show
fraction of records left after table condition is applied
- Adjust test results, add comments
Fixed comparision of log-binary name to handle comparison when file name extension wraps from .999 to .1000
Don't replicate CREATE/DROP DATABASE if wild_xxx_table=database.% is used.