ABAP Select data from SAP table ESH_U_STLMTDCLST 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_STLMTDCLST 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_STLMTDCLST. 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_STLMTDCLST 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_STLMTDCLST TYPE STANDARD TABLE OF ESH_U_STLMTDCLST,
      WA_ESH_U_STLMTDCLST TYPE ESH_U_STLMTDCLST,
      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_STLMTDCLST> TYPE ESH_U_STLMTDCLST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_STLMTDCLST
*  INTO TABLE @DATA(IT_ESH_U_STLMTDCLST2).
*--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_STLMTDCLST INDEX 1 INTO DATA(WA_ESH_U_STLMTDCLST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_STLMTDCLST>-MANDT = 1.
<ESH_U_STLMTDCLST>-SETTLMTDOCLIST = 1.
<ESH_U_STLMTDCLST>-PAYERPARTYAUTHGRP = 1.
<ESH_U_STLMTDCLST>-BILLTOPARTYAUTHGRP = 1.
<ESH_U_STLMTDCLST>-PAYEEPARTYAUTHGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_STLMTDCLST-INVOICINGPARTYAUTHGRP, sy-vline,
  WA_ESH_U_STLMTDCLST-ALTVINVOICINGPARTYGRP, sy-vline,
  WA_ESH_U_STLMTDCLST-INVOICINGPARTYCOMPANY, sy-vline,
  WA_ESH_U_STLMTDCLST-PAYEEPARTYCOMPANY, sy-vline,
  WA_ESH_U_STLMTDCLST-ALTVINVOICINGPARTYCOMPANY, sy-vline,
  WA_ESH_U_STLMTDCLST-BILLTOPARTYCOMPANY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_STLMTDCLST 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_STLMTDCLST 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_STLMTDCLST INTO WA_ESH_U_STLMTDCLST.


*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 SETTLMTDOCLIST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_STLMTDCLST-SETTLMTDOCLIST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_STLMTDCLST-SETTLMTDOCLIST.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field PAYERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_STLMTDCLST-PAYERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_STLMTDCLST-PAYERPARTY.
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_STLMTDCLST_STR, 
MANDT TYPE STRING,
SETTLMTDOCLIST TYPE STRING,
PAYERPARTYAUTHGRP TYPE STRING,
BILLTOPARTYAUTHGRP TYPE STRING,
PAYEEPARTYAUTHGRP TYPE STRING,
INVOICINGPARTYAUTHGRP TYPE STRING,
ALTVINVOICINGPARTYGRP TYPE STRING,
INVOICINGPARTYCOMPANY TYPE STRING,
PAYEEPARTYCOMPANY TYPE STRING,
ALTVINVOICINGPARTYCOMPANY TYPE STRING,
BILLTOPARTYCOMPANY TYPE STRING,
PAYERPARTYCOMPANY TYPE STRING,
BILLTOPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
DOCUMENTDATE TYPE STRING,
INVOICINGPARTY TYPE STRING,
PAYERPARTYNAME TYPE STRING,
BILLTOPARTYNAME TYPE STRING,
PAYEEPARTYNAME TYPE STRING,
INVOICINGPARTYNAME TYPE STRING,
ORGANIZATIONBPNAME1 TYPE STRING,
PAYEEPARTY TYPE STRING,
PAYERPARTY TYPE STRING,
POSTINGDATE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESORGANIZATIONNAME TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
SETTLMTDOCCATNAME TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
SETTLMTDOCTYPEDESC TYPE STRING,
SETTLMTMGMTACCTGTRANSFSTS TYPE STRING,
SETTLMTMGMTACCTGTRANSFSTSNAME TYPE STRING,
SETTLMTPROCESSTYPE TYPE STRING,
SETTLMTPROCESSTYPEDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_STLMTDCLST_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_STLMTDCLST_STR-MANDT sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTDOCLIST sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYERPARTYAUTHGRP sy-vline 
WA_ESH_U_STLMTDCLST_STR-BILLTOPARTYAUTHGRP sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYEEPARTYAUTHGRP sy-vline 
WA_ESH_U_STLMTDCLST_STR-INVOICINGPARTYAUTHGRP sy-vline 
WA_ESH_U_STLMTDCLST_STR-ALTVINVOICINGPARTYGRP sy-vline 
WA_ESH_U_STLMTDCLST_STR-INVOICINGPARTYCOMPANY sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYEEPARTYCOMPANY sy-vline 
WA_ESH_U_STLMTDCLST_STR-ALTVINVOICINGPARTYCOMPANY sy-vline 
WA_ESH_U_STLMTDCLST_STR-BILLTOPARTYCOMPANY sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYERPARTYCOMPANY sy-vline 
WA_ESH_U_STLMTDCLST_STR-BILLTOPARTY sy-vline 
WA_ESH_U_STLMTDCLST_STR-COMPANYCODE sy-vline 
WA_ESH_U_STLMTDCLST_STR-COMPANYCODENAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ESH_U_STLMTDCLST_STR-DIVISION sy-vline 
WA_ESH_U_STLMTDCLST_STR-DOCUMENTDATE sy-vline 
WA_ESH_U_STLMTDCLST_STR-INVOICINGPARTY sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYERPARTYNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-BILLTOPARTYNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYEEPARTYNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-INVOICINGPARTYNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-ORGANIZATIONBPNAME1 sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYEEPARTY sy-vline 
WA_ESH_U_STLMTDCLST_STR-PAYERPARTY sy-vline 
WA_ESH_U_STLMTDCLST_STR-POSTINGDATE sy-vline 
WA_ESH_U_STLMTDCLST_STR-PURCHASINGGROUP sy-vline 
WA_ESH_U_STLMTDCLST_STR-PURCHASINGORGANIZATION sy-vline 
WA_ESH_U_STLMTDCLST_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-SALESORGANIZATION sy-vline 
WA_ESH_U_STLMTDCLST_STR-SALESORGANIZATIONNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTDOCCAT sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTDOCCATNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTDOCTYPE sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTDOCTYPEDESC sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTMGMTACCTGTRANSFSTS sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTMGMTACCTGTRANSFSTSNAME sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTPROCESSTYPE sy-vline 
WA_ESH_U_STLMTDCLST_STR-SETTLMTPROCESSTYPEDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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