psql -q -d $dbname -c 'DROP TABLE backup_query_log'
# rotate
-psql -q -1 -d $dbname -c 'ALTER TABLE new_query_log RENAME TO backup_query_log;CREATE TABLE new_query_log as (select * from backup_query_log limit 0);GRANT SELECT, INSERT, UPDATE ON new_query_log TO "www-data"'
+psql -q -1 -d $dbname -c 'ALTER TABLE new_query_log RENAME TO backup_query_log;CREATE TABLE new_query_log TABLESPACE ssd2 as (select * from backup_query_log limit 0);GRANT SELECT, INSERT, UPDATE ON new_query_log TO "www-data"'
psql -q -d $dbname -c 'ALTER INDEX idx_new_query_log_starttime RENAME TO idx_backup_query_log_starttime'
-psql -q -d $dbname -c 'CREATE INDEX idx_new_query_log_starttime ON new_query_log USING BTREE (starttime)'
+psql -q -d $dbname -c 'CREATE INDEX idx_new_query_log_starttime ON new_query_log USING BTREE (starttime) TABLESPACE ssd2'