ABAP Select data from SAP table REMC_MASSCHANGE_PY_L 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_L 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_L. 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_L 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_L TYPE STANDARD TABLE OF REMC_MASSCHANGE_PY_L,
      WA_REMC_MASSCHANGE_PY_L TYPE REMC_MASSCHANGE_PY_L,
      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_L> TYPE REMC_MASSCHANGE_PY_L.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REMC_MASSCHANGE_PY_L
*  INTO TABLE @DATA(IT_REMC_MASSCHANGE_PY_L2).
*--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_L INDEX 1 INTO DATA(WA_REMC_MASSCHANGE_PY_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REMC_MASSCHANGE_PY_L>-MASSCHANGEINTRENO = 1.
<REMC_MASSCHANGE_PY_L>-MASSCHANGEOBJNR = 1.
<REMC_MASSCHANGE_PY_L>-MASSCHANGEOBJECT = 1.
<REMC_MASSCHANGE_PY_L>-MASSCHANGEIDENT = 1.
<REMC_MASSCHANGE_PY_L>-MASSCHANGEDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REMC_MASSCHANGE_PY_L-MASSCHANGESTATUS, sy-vline,
  WA_REMC_MASSCHANGE_PY_L-MASSCHANGEPERFORM, sy-vline,
  WA_REMC_MASSCHANGE_PY_L-MASSCHANGEDELETE, sy-vline,
  WA_REMC_MASSCHANGE_PY_L-MASSCHANGETERMNO, sy-vline,
  WA_REMC_MASSCHANGE_PY_L-MASSCHANGEXTERMNO, sy-vline,
  WA_REMC_MASSCHANGE_PY_L-MASSCHANGEFOLLOWEXIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REMC_MASSCHANGE_PY_L 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_L 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_L INTO WA_REMC_MASSCHANGE_PY_L.


*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 MASSCHANGETERMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REMC_MASSCHANGE_PY_L-MASSCHANGETERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REMC_MASSCHANGE_PY_L-MASSCHANGETERMNO.
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_REMC_MASSCHANGE_PY_L_STR, 
MASSCHANGEINTRENO TYPE STRING,
MASSCHANGEOBJNR TYPE STRING,
MASSCHANGEOBJECT TYPE STRING,
MASSCHANGEIDENT TYPE STRING,
MASSCHANGEDESCRIPTION TYPE STRING,
MASSCHANGESTATUS TYPE STRING,
MASSCHANGEPERFORM TYPE STRING,
MASSCHANGEDELETE TYPE STRING,
MASSCHANGETERMNO TYPE STRING,
MASSCHANGEXTERMNO TYPE STRING,
MASSCHANGEFOLLOWEXIST TYPE STRING,
MASSCHANGEFOLLOWDELETE TYPE STRING,
MASSCHANGEFOLLOWCHANGE TYPE STRING,
VALIDFROMO TYPE STRING,
PYMTMETHO TYPE STRING,
PYMTMETHCRMOO TYPE STRING,
PYMTBLOCKO TYPE STRING,
PYMTTERMO TYPE STRING,
HOUSEBKIDO TYPE STRING,
HOUSEBKACCO TYPE STRING,
BANKDETAILIDO TYPE STRING,
NOTETOPAYEEO TYPE STRING,
DUNNAREAO TYPE STRING,
DUNNKEYO TYPE STRING,
DUNNBLOCKO TYPE STRING,
ACCDETKEYO TYPE STRING,
TAXTYPEO TYPE STRING,
TAXGROUPO TYPE STRING,
ISGROSSO TYPE STRING,
TXJCDO TYPE STRING,
CTRULEO TYPE STRING,
SEPAMNDIDO TYPE STRING,
SEPARECCRDIDO TYPE STRING,
XPYMTMETHO TYPE STRING,
XPYMTMETHCRMOO TYPE STRING,
XPYMTBLOCKO TYPE STRING,
XPYMTTERMO TYPE STRING,
XHOUSEBKIDO TYPE STRING,
XHOUSEBKACCO TYPE STRING,
XBANKDETAILIDO TYPE STRING,
XDUNNAREAO TYPE STRING,
XDUNNKEYO TYPE STRING,
XDUNNBLOCKO TYPE STRING,
XACCDETKEYO TYPE STRING,
XTAXTYPEO TYPE STRING,
XTAXGROUPO TYPE STRING,
XTXJCDO TYPE STRING,
XCTRULEO TYPE STRING,
VALIDFROMN TYPE STRING,
PYMTMETHN TYPE STRING,
PYMTMETHCRMON TYPE STRING,
PYMTBLOCKN TYPE STRING,
PYMTTERMN TYPE STRING,
HOUSEBKIDN TYPE STRING,
HOUSEBKACCN TYPE STRING,
BANKDETAILIDN TYPE STRING,
NOTETOPAYEEN TYPE STRING,
DUNNAREAN TYPE STRING,
DUNNKEYN TYPE STRING,
DUNNBLOCKN TYPE STRING,
ACCDETKEYN TYPE STRING,
TAXTYPEN TYPE STRING,
TAXGROUPN TYPE STRING,
ISGROSSN TYPE STRING,
TXJCDN TYPE STRING,
CTRULEN TYPE STRING,
SEPAMNDIDN TYPE STRING,
SEPARECCRDIDN TYPE STRING,
XPYMTMETHN TYPE STRING,
XPYMTMETHCRMON TYPE STRING,
XPYMTBLOCKN TYPE STRING,
XPYMTTERMN TYPE STRING,
XHOUSEBKIDN TYPE STRING,
XHOUSEBKACCN TYPE STRING,
XBANKDETAILIDN TYPE STRING,
XDUNNAREAN TYPE STRING,
XDUNNKEYN TYPE STRING,
XDUNNBLOCKN TYPE STRING,
XACCDETKEYN TYPE STRING,
XTAXTYPEN TYPE STRING,
XTAXGROUPN TYPE STRING,
XTXJCDN TYPE STRING,
XCTRULEN TYPE STRING,
MASSCHANGEMINFROM TYPE STRING,
MASSCHANGEMAXFROM TYPE STRING,
MASSCHANGESTATUSICON TYPE STRING,
MASSCHANGEINFO TYPE STRING,
CELLTAB TYPE STRING,
COLORTAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REMC_MASSCHANGE_PY_L_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_L_STR-MASSCHANGEINTRENO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEOBJNR sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEOBJECT sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEIDENT sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEDESCRIPTION sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGESTATUS sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEPERFORM sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEDELETE sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGETERMNO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEXTERMNO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEFOLLOWEXIST sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEFOLLOWDELETE sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEFOLLOWCHANGE sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-VALIDFROMO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTMETHO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTMETHCRMOO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTBLOCKO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTTERMO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-HOUSEBKIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-HOUSEBKACCO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-BANKDETAILIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-NOTETOPAYEEO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNAREAO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNKEYO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNBLOCKO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-ACCDETKEYO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TAXTYPEO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TAXGROUPO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-ISGROSSO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TXJCDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-CTRULEO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-SEPAMNDIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-SEPARECCRDIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTMETHO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTMETHCRMOO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTBLOCKO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTTERMO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XHOUSEBKIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XHOUSEBKACCO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XBANKDETAILIDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNAREAO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNKEYO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNBLOCKO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XACCDETKEYO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTAXTYPEO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTAXGROUPO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTXJCDO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XCTRULEO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-VALIDFROMN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTMETHN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTMETHCRMON sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTBLOCKN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-PYMTTERMN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-HOUSEBKIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-HOUSEBKACCN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-BANKDETAILIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-NOTETOPAYEEN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNAREAN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNKEYN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-DUNNBLOCKN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-ACCDETKEYN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TAXTYPEN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TAXGROUPN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-ISGROSSN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-TXJCDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-CTRULEN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-SEPAMNDIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-SEPARECCRDIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTMETHN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTMETHCRMON sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTBLOCKN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XPYMTTERMN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XHOUSEBKIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XHOUSEBKACCN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XBANKDETAILIDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNAREAN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNKEYN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XDUNNBLOCKN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XACCDETKEYN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTAXTYPEN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTAXGROUPN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XTXJCDN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-XCTRULEN sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEMINFROM sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEMAXFROM sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGESTATUSICON sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-MASSCHANGEINFO sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-CELLTAB sy-vline 
WA_REMC_MASSCHANGE_PY_L_STR-COLORTAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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