ABAP Select data from SAP table ESH_U_PAYADVICES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ESH_U_PAYADVICES table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ESH_U_PAYADVICES. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ESH_U_PAYADVICES table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ESH_U_PAYADVICES TYPE STANDARD TABLE OF ESH_U_PAYADVICES,
      WA_ESH_U_PAYADVICES TYPE ESH_U_PAYADVICES,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ESH_U_PAYADVICES> TYPE ESH_U_PAYADVICES.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ESH_U_PAYADVICES.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ESH_U_PAYADVICES
  INTO TABLE IT_ESH_U_PAYADVICES.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_PAYADVICES
*  INTO TABLE @DATA(IT_ESH_U_PAYADVICES2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ESH_U_PAYADVICES INDEX 1 INTO DATA(WA_ESH_U_PAYADVICES2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ESH_U_PAYADVICES ASSIGNING <ESH_U_PAYADVICES>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_PAYADVICES>-MANDT = 1.
<ESH_U_PAYADVICES>-COMPANYCODE = 1.
<ESH_U_PAYADVICES>-PAYMENTADVICEACCOUNT = 1.
<ESH_U_PAYADVICES>-PAYMENTADVICEACCOUNTTYPE = 1.
<ESH_U_PAYADVICES>-PAYMENTADVICE = 1.

ENDLOOP.

LOOP AT IT_ESH_U_PAYADVICES INTO WA_ESH_U_PAYADVICES.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_PAYADVICES-PAIDAMOUNTINPAYTCURRENCY, sy-vline,
  WA_ESH_U_PAYADVICES-CREATIONDATE, sy-vline,
  WA_ESH_U_PAYADVICES-CREATEDBYUSER, sy-vline,
  WA_ESH_U_PAYADVICES-PAYMENTCURRENCY, sy-vline,
  WA_ESH_U_PAYADVICES-CUSTOMERBASICAUTHORIZATIONGRP, sy-vline,
  WA_ESH_U_PAYADVICES-CUSTOMERFINSAUTHORIZATIONGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_PAYADVICES you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ESH_U_PAYADVICES TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ESH_U_PAYADVICES INTO WA_ESH_U_PAYADVICES.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field PAYMENTADVICEACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PAYADVICES-PAYMENTADVICEACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PAYADVICES-PAYMENTADVICEACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field PAIDAMOUNTINPAYTCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PAYADVICES-PAIDAMOUNTINPAYTCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PAYADVICES-PAIDAMOUNTINPAYTCURRENCY.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ESH_U_PAYADVICES_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PAYMENTADVICEACCOUNT TYPE STRING,
PAYMENTADVICEACCOUNTTYPE TYPE STRING,
PAYMENTADVICE TYPE STRING,
PAIDAMOUNTINPAYTCURRENCY TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
CUSTOMERBASICAUTHORIZATIONGRP TYPE STRING,
CUSTOMERFINSAUTHORIZATIONGRP TYPE STRING,
SUPPLIERBASICAUTHORIZATIONGRP TYPE STRING,
SUPPLIERFINSAUTHORIZATIONGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_PAYADVICES_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ESH_U_PAYADVICES_STR-MANDT sy-vline 
WA_ESH_U_PAYADVICES_STR-COMPANYCODE sy-vline 
WA_ESH_U_PAYADVICES_STR-PAYMENTADVICEACCOUNT sy-vline 
WA_ESH_U_PAYADVICES_STR-PAYMENTADVICEACCOUNTTYPE sy-vline 
WA_ESH_U_PAYADVICES_STR-PAYMENTADVICE sy-vline 
WA_ESH_U_PAYADVICES_STR-PAIDAMOUNTINPAYTCURRENCY sy-vline 
WA_ESH_U_PAYADVICES_STR-CREATIONDATE sy-vline 
WA_ESH_U_PAYADVICES_STR-CREATEDBYUSER sy-vline 
WA_ESH_U_PAYADVICES_STR-PAYMENTCURRENCY sy-vline 
WA_ESH_U_PAYADVICES_STR-CUSTOMERBASICAUTHORIZATIONGRP sy-vline 
WA_ESH_U_PAYADVICES_STR-CUSTOMERFINSAUTHORIZATIONGRP sy-vline 
WA_ESH_U_PAYADVICES_STR-SUPPLIERBASICAUTHORIZATIONGRP sy-vline 
WA_ESH_U_PAYADVICES_STR-SUPPLIERFINSAUTHORIZATIONGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.