Link Between AR and GL with XLA tables in R12 ,AR to GL Link in oracle apps, Data Flow from AR to XLA to GL

AR to GL Link in oracle apps 

Data Flow from AR to XLA to GL

SELECT trx.trx_number,
       trx.cust_trx_type_id,
       trx.bill_to_customer_id,
       trx_dist.amount ar_inv_dist_amount,
       trx_dist.code_combination_id ar_inv_dist_ccid,
          gcc.segment1AR 
       || '.'
       || gcc.segment2
       || '.'
       || gcc.segment3
       || '.'
       || gcc.segment4
       || '.'
       || gcc.segment5
       || '.'
       || gcc.segment6
       || '.'
       || gcc.segment7
       || '.'
       || gcc.segment8
          ar_inv_dist_code_combination,
       gjh.name gl_je_header_name,
       gjh.description gl_je_header_desc,
       gjl.je_line_num,
       gjl.code_combination_id gl_je_line_ccid
  FROM ar.ra_customer_trx_all trx,
       ar.ra_cust_trx_line_gl_dist_all trx_dist,
       gl.gl_code_combinations gcc,
       gl.gl_ledgers gl,
       xla.xla_transaction_entities xte,
       xla.xla_ae_headers xah,
       xla.xla_ae_lines xal,
       xla.xla_distribution_links xdl,
       gl.gl_import_references gir,
       gl.gl_je_headers gjh,
       gl.gl_je_lines gjl
 WHERE 1 = 1
   -- AND trx.org_id = :P_ORG_ID
   -- AND trx.batch_source_id = :P_BATCH_SOURCE_ID
   AND trx.customer_trx_id = :P_CUSTOMER_TRX_ID
   AND trx.customer_trx_id = trx_dist.customer_trx_id
   AND gcc.code_combination_id = trx_dist.code_combination_id
   --  AND gl.short_name = :P_LEDGER_SHORT_NAME
   AND gl.chart_of_accounts_id = gcc.chart_of_accounts_id
   AND xte.ledger_id = gl.ledger_id
   AND xte.entity_code = 'TRANSACTIONS'
   AND xte.application_id = 222
   AND xte.source_id_int_1 = trx.customer_trx_id
   AND xah.entity_id = xte.entity_id
   AND xal.ae_header_id = xah.ae_header_id
   AND xal.accounting_class_code = 'REVENUE'
   AND xdl.ae_header_id = xah.ae_header_id
   AND xdl.ae_line_num = xal.ae_line_num
   AND xdl.source_distribution_id_num_1 = trx_dist.cust_trx_line_gl_dist_id
   AND xdl.application_id = 222
   AND gir.gl_sl_link_id = xal.gl_sl_link_id
   AND gjh.je_header_id = gir.je_header_id
   AND gjl.je_header_id = gjh.je_header_id
   AND gjl.je_line_num = gir.je_line_num;