public void createTableIfNotExist(Class<?> entityType) throws DbException {
if (!tableIsExist(entityType)) {
SqlInfo sqlInfo = SqlInfoBuilder.buildCreateTableSqlInfo(this, entityType);
execNonQuery(sqlInfo);
String execAfterTableCreated = TableUtils.getExecAfterTableCreated(entityType);
if (!TextUtils.isEmpty(execAfterTableCreated)) {
execNonQuery(execAfterTableCreated);
}
}
}
public void dropTable(Class<?> entityType) throws DbException {
if (!tableIsExist(entityType)) return;
String tableName = TableUtils.getTableName(entityType);
execNonQuery("DROP TABLE " + tableName);
Table.remove(this, entityType);
}