alter_onetable_stmt ::=
	'ALTER' 'TABLE' table_name 'PARTITION' 'BY' 'LIST' '(' name_list ')' '(' list_partitions ')'
	| 'ALTER' 'TABLE' table_name 'PARTITION' 'BY' 'RANGE' '(' name_list ')' '(' range_partitions ')'
	| 'ALTER' 'TABLE' table_name 'PARTITION' 'BY' 'NOTHING'
	| 'ALTER' 'TABLE' 'IF' 'EXISTS' table_name 'PARTITION' 'BY' 'LIST' '(' name_list ')' '(' list_partitions ')'
	| 'ALTER' 'TABLE' 'IF' 'EXISTS' table_name 'PARTITION' 'BY' 'RANGE' '(' name_list ')' '(' range_partitions ')'
	| 'ALTER' 'TABLE' 'IF' 'EXISTS' table_name 'PARTITION' 'BY' 'NOTHING'
