sql

select      concat(
                'mysqldump'
            ,   ' --user=wcm_dwh'
            ,   ' --password=wcm_dwh'
            ,   ' --no-create-info'
            ,   ' --where="'
            ,   case p2.partition_method
                    when 'hash' then
                        concat(
                            p2.partition_expression, ' % '
                        ,   (select count(*)
                             from   information_schema.partitions p3
                             where  p3.table_schema = p2.table_schema
                             and    p3.table_name   = p2.table_name)
                        ,   ' = ', (p2.partition_ordinal_position - 1)
                        )
                    when 'list' then
                        concat(
                            p2.partition_expression
                        ,   ' in (',  p2.partition_description, ')'
                        )
                    when 'range' then
                        concat(
                            coalesce(
                                concat(
                                    p2.partition_expression
                                ,   ' >= '
                                ,   p1.partition_description
                                ,   ' and '
                                )
                            ,   ''
                            )
                        ,   concat(
                                p2.partition_expression
                            ,   ' < '
                            ,   p2.partition_description
                            )
                        )
                end
            ,   '" ', p2.table_schema
            ,   ' ', p2.table_name
            ,   ' > '
            ,   p2.table_schema, '.', p2.table_name
            ,   '.', p2.partition_name, '.sql'
            )
from        information_schema.partitions       p1
right join  information_schema.partitions       p2
on          p1.table_schema                   = p2.table_schema
and         p1.table_name                     = p2.table_name
and         p1.partition_ordinal_position + 1 = p2.partition_ordinal_position
where       p2.table_schema = schema()
and         p2.partition_method in ('hash', 'list', 'range')