text: from pypika.functions import *
  from pypika.terms import Function
  from frappe.query_builder.utils import ImportMapper, db_type_is
  from frappe.query_builder.custom import GROUP_CONCAT, STRING_AGG, MATCH, TO_TSVECTOR
  from .utils import Column
  
  
  class Concat_ws(Function):
  	def __init__(self, *terms, **kwargs):
  		super(Concat_ws, self).__init__("CONCAT_WS", *terms, **kwargs)
  
  
  GroupConcat = ImportMapper(
  	{
  		db_type_is.MARIADB: GROUP_CONCAT,
  		db_type_is.POSTGRES: STRING_AGG
  	}
  )
  
  Match = ImportMapper(
  	{
  		db_type_is.MARIADB: MATCH,
  		db_type_is.POSTGRES: TO_TSVECTOR
  	}
  )
  