ABAP Select data from SAP table REMC_MASSCHANGE_PY_SEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REMC_MASSCHANGE_PY_SEL 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 REMC_MASSCHANGE_PY_SEL. 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 REMC_MASSCHANGE_PY_SEL 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_REMC_MASSCHANGE_PY_SEL TYPE STANDARD TABLE OF REMC_MASSCHANGE_PY_SEL,
      WA_REMC_MASSCHANGE_PY_SEL TYPE REMC_MASSCHANGE_PY_SEL,
      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: <REMC_MASSCHANGE_PY_SEL> TYPE REMC_MASSCHANGE_PY_SEL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REMC_MASSCHANGE_PY_SEL
*  INTO TABLE @DATA(IT_REMC_MASSCHANGE_PY_SEL2).
*--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_REMC_MASSCHANGE_PY_SEL INDEX 1 INTO DATA(WA_REMC_MASSCHANGE_PY_SEL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REMC_MASSCHANGE_PY_SEL>-USE_PYMTMETH = 1.
<REMC_MASSCHANGE_PY_SEL>-USE_PYMTMETHCRMO = 1.
<REMC_MASSCHANGE_PY_SEL>-USE_PYMTBLOCK = 1.
<REMC_MASSCHANGE_PY_SEL>-USE_PYMTTERM = 1.
<REMC_MASSCHANGE_PY_SEL>-USE_HOUSEBKID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REMC_MASSCHANGE_PY_SEL-USE_HOUSEBKACC, sy-vline,
  WA_REMC_MASSCHANGE_PY_SEL-USE_BANKDETAILID, sy-vline,
  WA_REMC_MASSCHANGE_PY_SEL-USE_NOTETOPAYEE, sy-vline,
  WA_REMC_MASSCHANGE_PY_SEL-USE_DUNNAREA, sy-vline,
  WA_REMC_MASSCHANGE_PY_SEL-USE_DUNNKEY, sy-vline,
  WA_REMC_MASSCHANGE_PY_SEL-USE_DUNNBLOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REMC_MASSCHANGE_PY_SEL 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_REMC_MASSCHANGE_PY_SEL 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_REMC_MASSCHANGE_PY_SEL INTO WA_REMC_MASSCHANGE_PY_SEL.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_REMC_MASSCHANGE_PY_SEL_STR, 
USE_PYMTMETH TYPE STRING,
USE_PYMTMETHCRMO TYPE STRING,
USE_PYMTBLOCK TYPE STRING,
USE_PYMTTERM TYPE STRING,
USE_HOUSEBKID TYPE STRING,
USE_HOUSEBKACC TYPE STRING,
USE_BANKDETAILID TYPE STRING,
USE_NOTETOPAYEE TYPE STRING,
USE_DUNNAREA TYPE STRING,
USE_DUNNKEY TYPE STRING,
USE_DUNNBLOCK TYPE STRING,
USE_ACCDETKEY TYPE STRING,
USE_TAXTYPE TYPE STRING,
USE_TAXGROUP TYPE STRING,
USE_ISGROSS TYPE STRING,
USE_TXJCD TYPE STRING,
USE_CTRULE TYPE STRING,
USE_SEPAMNDID TYPE STRING,
USE_SEPARECCRDID TYPE STRING,
FROM_PYMTMETH TYPE STRING,
FROM_PYMTMETHCRMO TYPE STRING,
FROM_PYMTBLOCK TYPE STRING,
FROM_PYMTTERM TYPE STRING,
FROM_HOUSEBKID TYPE STRING,
FROM_HOUSEBKACC TYPE STRING,
FROM_BANKDETAILID TYPE STRING,
FROM_NOTETOPAYEE TYPE STRING,
FROM_DUNNAREA TYPE STRING,
FROM_DUNNKEY TYPE STRING,
FROM_DUNNBLOCK TYPE STRING,
FROM_ACCDETKEY TYPE STRING,
FROM_TAXTYPE TYPE STRING,
FROM_TAXGROUP TYPE STRING,
FROM_ISGROSS TYPE STRING,
FROM_TXJCD TYPE STRING,
FROM_CTRULE TYPE STRING,
FROM_SEPAMNDID TYPE STRING,
FROM_SEPARECCRDID TYPE STRING,
TO_PYMTMETH TYPE STRING,
TO_PYMTMETHCRMO TYPE STRING,
TO_PYMTBLOCK TYPE STRING,
TO_PYMTTERM TYPE STRING,
TO_HOUSEBKID TYPE STRING,
TO_HOUSEBKACC TYPE STRING,
TO_BANKDETAILID TYPE STRING,
TO_NOTETOPAYEE TYPE STRING,
TO_DUNNAREA TYPE STRING,
TO_DUNNKEY TYPE STRING,
TO_DUNNBLOCK TYPE STRING,
TO_ACCDETKEY TYPE STRING,
TO_TAXTYPE TYPE STRING,
TO_TAXGROUP TYPE STRING,
TO_ISGROSS TYPE STRING,
TO_TXJCD TYPE STRING,
TO_CTRULE TYPE STRING,
TO_SEPAMNDID TYPE STRING,
TO_SEPARECCRDID TYPE STRING,
TYPE_PYMTMETH TYPE STRING,
TYPE_PYMTMETHCRMO TYPE STRING,
TYPE_PYMTBLOCK TYPE STRING,
TYPE_PYMTTERM TYPE STRING,
TYPE_HOUSEBKID TYPE STRING,
TYPE_HOUSEBKACC TYPE STRING,
TYPE_BANKDETAILID TYPE STRING,
TYPE_NOTETOPAYEE TYPE STRING,
TYPE_DUNNAREA TYPE STRING,
TYPE_DUNNKEY TYPE STRING,
TYPE_DUNNBLOCK TYPE STRING,
TYPE_ACCDETKEY TYPE STRING,
TYPE_TAXTYPE TYPE STRING,
TYPE_TAXGROUP TYPE STRING,
TYPE_ISGROSS TYPE STRING,
TYPE_TXJCD TYPE STRING,
TYPE_CTRULE TYPE STRING,
TYPE_SEPAMNDID TYPE STRING,
TYPE_SEPARECCRDID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REMC_MASSCHANGE_PY_SEL_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_REMC_MASSCHANGE_PY_SEL_STR-USE_PYMTMETH sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_PYMTMETHCRMO sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_PYMTBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_PYMTTERM sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_HOUSEBKID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_HOUSEBKACC sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_BANKDETAILID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_NOTETOPAYEE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_DUNNAREA sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_DUNNKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_DUNNBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_ACCDETKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_TAXTYPE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_TAXGROUP sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_ISGROSS sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_TXJCD sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_CTRULE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_SEPAMNDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-USE_SEPARECCRDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_PYMTMETH sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_PYMTMETHCRMO sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_PYMTBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_PYMTTERM sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_HOUSEBKID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_HOUSEBKACC sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_BANKDETAILID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_NOTETOPAYEE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_DUNNAREA sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_DUNNKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_DUNNBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_ACCDETKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_TAXTYPE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_TAXGROUP sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_ISGROSS sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_TXJCD sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_CTRULE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_SEPAMNDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-FROM_SEPARECCRDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_PYMTMETH sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_PYMTMETHCRMO sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_PYMTBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_PYMTTERM sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_HOUSEBKID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_HOUSEBKACC sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_BANKDETAILID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_NOTETOPAYEE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_DUNNAREA sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_DUNNKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_DUNNBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_ACCDETKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_TAXTYPE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_TAXGROUP sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_ISGROSS sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_TXJCD sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_CTRULE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_SEPAMNDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TO_SEPARECCRDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_PYMTMETH sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_PYMTMETHCRMO sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_PYMTBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_PYMTTERM sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_HOUSEBKID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_HOUSEBKACC sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_BANKDETAILID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_NOTETOPAYEE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_DUNNAREA sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_DUNNKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_DUNNBLOCK sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_ACCDETKEY sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_TAXTYPE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_TAXGROUP sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_ISGROSS sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_TXJCD sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_CTRULE sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_SEPAMNDID sy-vline 
WA_REMC_MASSCHANGE_PY_SEL_STR-TYPE_SEPARECCRDID sy-vline      INTO ld_text SEPARATED BY SPACE.

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