We’ll demonstrate how to employ aMapfor seamless conversion ofenumconstants to integers. importjava.util.HashMap;importjava.util.Map;publicclassEnumToIntMapExample{// Enum representing days of the weekpublicenumDaysOfWeek{SUNDAY,MONDAY,TUESDAY,WEDNESDAY,THURSDAY,FRIDAY,SATURDAY;}// Map for enum to ...
The idea of prepared statements is to cache precomputed SQL and expressions in HashMap in memory, so they can be directly used in queries when applicable. Prepared statements adopt MySQL binary protocol for transmission. The protocol is implemented in the mysql_row_buffer.[h|cpp] file, and use...