ABAP Select data from SAP table ROIRE_RECON_LISTD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIRE_RECON_LISTD
*  INTO TABLE @DATA(IT_ROIRE_RECON_LISTD2).
*--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_ROIRE_RECON_LISTD INDEX 1 INTO DATA(WA_ROIRE_RECON_LISTD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIRE_RECON_LISTD>-LIGHT = 1.
<ROIRE_RECON_LISTD>-MANDT = 1.
<ROIRE_RECON_LISTD>-UPLNR = 1.
<ROIRE_RECON_LISTD>-POSNR = 1.
<ROIRE_RECON_LISTD>-UPLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIRE_RECON_LISTD-UPLTIM, sy-vline,
  WA_ROIRE_RECON_LISTD-CHOBJ, sy-vline,
  WA_ROIRE_RECON_LISTD-BRTWR_ADM, sy-vline,
  WA_ROIRE_RECON_LISTD-WAERS, sy-vline,
  WA_ROIRE_RECON_LISTD-NO_TRANX, sy-vline,
  WA_ROIRE_RECON_LISTD-COUNTER_CH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIRE_RECON_LISTD 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_ROIRE_RECON_LISTD 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_ROIRE_RECON_LISTD INTO WA_ROIRE_RECON_LISTD.


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

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

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

*Conversion exit ALPHA, internal->external for field SETTLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_LISTD-SETTLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_LISTD-SETTLNR.
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_ROIRE_RECON_LISTD_STR, 
LIGHT TYPE STRING,
MANDT TYPE STRING,
UPLNR TYPE STRING,
POSNR TYPE STRING,
UPLDAT TYPE STRING,
UPLTIM TYPE STRING,
CHOBJ TYPE STRING,
BRTWR_ADM TYPE STRING,
WAERS TYPE STRING,
NO_TRANX TYPE STRING,
COUNTER_CH TYPE STRING,
DET_AGG_IND TYPE STRING,
PBLNR TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
TERMNR TYPE STRING,
BRTWR_DET TYPE STRING,
AUTNR TYPE STRING,
SSMID TYPE STRING,
SSMIDT TYPE STRING,
RECON_NO TYPE STRING,
SETTLNR TYPE STRING,
SALES_TIMESTMP TYPE STRING,
VKDAT TYPE STRING,
VKTIM TYPE STRING,
CCNUM_MASK TYPE STRING,
CH_AMT TYPE STRING,
PBL_AMT TYPE STRING,
DIFFERENCE TYPE STRING,
COMPFL TYPE STRING,
COMPRES TYPE STRING,
CH_TABIX TYPE STRING,
DTF_TABIX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIRE_RECON_LISTD_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_ROIRE_RECON_LISTD_STR-LIGHT sy-vline 
WA_ROIRE_RECON_LISTD_STR-MANDT sy-vline 
WA_ROIRE_RECON_LISTD_STR-UPLNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-POSNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-UPLDAT sy-vline 
WA_ROIRE_RECON_LISTD_STR-UPLTIM sy-vline 
WA_ROIRE_RECON_LISTD_STR-CHOBJ sy-vline 
WA_ROIRE_RECON_LISTD_STR-BRTWR_ADM sy-vline 
WA_ROIRE_RECON_LISTD_STR-WAERS sy-vline 
WA_ROIRE_RECON_LISTD_STR-NO_TRANX sy-vline 
WA_ROIRE_RECON_LISTD_STR-COUNTER_CH sy-vline 
WA_ROIRE_RECON_LISTD_STR-DET_AGG_IND sy-vline 
WA_ROIRE_RECON_LISTD_STR-PBLNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-CCINS sy-vline 
WA_ROIRE_RECON_LISTD_STR-CCNUM sy-vline 
WA_ROIRE_RECON_LISTD_STR-TERMNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-BRTWR_DET sy-vline 
WA_ROIRE_RECON_LISTD_STR-AUTNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-SSMID sy-vline 
WA_ROIRE_RECON_LISTD_STR-SSMIDT sy-vline 
WA_ROIRE_RECON_LISTD_STR-RECON_NO sy-vline 
WA_ROIRE_RECON_LISTD_STR-SETTLNR sy-vline 
WA_ROIRE_RECON_LISTD_STR-SALES_TIMESTMP sy-vline 
WA_ROIRE_RECON_LISTD_STR-VKDAT sy-vline 
WA_ROIRE_RECON_LISTD_STR-VKTIM sy-vline 
WA_ROIRE_RECON_LISTD_STR-CCNUM_MASK sy-vline 
WA_ROIRE_RECON_LISTD_STR-CH_AMT sy-vline 
WA_ROIRE_RECON_LISTD_STR-PBL_AMT sy-vline 
WA_ROIRE_RECON_LISTD_STR-DIFFERENCE sy-vline 
WA_ROIRE_RECON_LISTD_STR-COMPFL sy-vline 
WA_ROIRE_RECON_LISTD_STR-COMPRES sy-vline 
WA_ROIRE_RECON_LISTD_STR-CH_TABIX sy-vline 
WA_ROIRE_RECON_LISTD_STR-DTF_TABIX sy-vline      INTO ld_text SEPARATED BY SPACE.

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