ABAP Select data from SAP table REYCALVCONTENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REYCALVCONTENT
*  INTO TABLE @DATA(IT_REYCALVCONTENT2).
*--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_REYCALVCONTENT INDEX 1 INTO DATA(WA_REYCALVCONTENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REYCALVCONTENT>-REPORTS = 1.
<REYCALVCONTENT>-STEPS = 1.
<REYCALVCONTENT>-PROCESS = 1.
<REYCALVCONTENT>-PROCESSMODE = 1.
<REYCALVCONTENT>-PROCESSTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REYCALVCONTENT-STEP, sy-vline,
  WA_REYCALVCONTENT-RUNABLE, sy-vline,
  WA_REYCALVCONTENT-RUNORDER, sy-vline,
  WA_REYCALVCONTENT-ONLYEXTERNAL, sy-vline,
  WA_REYCALVCONTENT-REPEATEDLY, sy-vline,
  WA_REYCALVCONTENT-REPEATEXTERNAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REYCALVCONTENT 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_REYCALVCONTENT 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_REYCALVCONTENT INTO WA_REYCALVCONTENT.


*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_REYCALVCONTENT_STR, 
REPORTS TYPE STRING,
STEPS TYPE STRING,
PROCESS TYPE STRING,
PROCESSMODE TYPE STRING,
PROCESSTYPE TYPE STRING,
STEP TYPE STRING,
RUNABLE TYPE STRING,
RUNORDER TYPE STRING,
ONLYEXTERNAL TYPE STRING,
REPEATEDLY TYPE STRING,
REPEATEXTERNAL TYPE STRING,
REPEAT_IF_LAST TYPE STRING,
RUN_IF_IN_SIM TYPE STRING,
PROCSTEPGUIFMPBO TYPE STRING,
IS_LAST_STEP TYPE STRING,
HASOBJSTATUS TYPE STRING,
EACHSUBHASSTATUS TYPE STRING,
TEXT TYPE STRING,
STATUS TYPE STRING,
STATUSTEXT TYPE STRING,
ICON_STATUS TYPE STRING,
ICON_DETAIL TYPE STRING,
CELLTAB TYPE STRING,
COLORTAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REYCALVCONTENT_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_REYCALVCONTENT_STR-REPORTS sy-vline 
WA_REYCALVCONTENT_STR-STEPS sy-vline 
WA_REYCALVCONTENT_STR-PROCESS sy-vline 
WA_REYCALVCONTENT_STR-PROCESSMODE sy-vline 
WA_REYCALVCONTENT_STR-PROCESSTYPE sy-vline 
WA_REYCALVCONTENT_STR-STEP sy-vline 
WA_REYCALVCONTENT_STR-RUNABLE sy-vline 
WA_REYCALVCONTENT_STR-RUNORDER sy-vline 
WA_REYCALVCONTENT_STR-ONLYEXTERNAL sy-vline 
WA_REYCALVCONTENT_STR-REPEATEDLY sy-vline 
WA_REYCALVCONTENT_STR-REPEATEXTERNAL sy-vline 
WA_REYCALVCONTENT_STR-REPEAT_IF_LAST sy-vline 
WA_REYCALVCONTENT_STR-RUN_IF_IN_SIM sy-vline 
WA_REYCALVCONTENT_STR-PROCSTEPGUIFMPBO sy-vline 
WA_REYCALVCONTENT_STR-IS_LAST_STEP sy-vline 
WA_REYCALVCONTENT_STR-HASOBJSTATUS sy-vline 
WA_REYCALVCONTENT_STR-EACHSUBHASSTATUS sy-vline 
WA_REYCALVCONTENT_STR-TEXT sy-vline 
WA_REYCALVCONTENT_STR-STATUS sy-vline 
WA_REYCALVCONTENT_STR-STATUSTEXT sy-vline 
WA_REYCALVCONTENT_STR-ICON_STATUS sy-vline 
WA_REYCALVCONTENT_STR-ICON_DETAIL sy-vline 
WA_REYCALVCONTENT_STR-CELLTAB sy-vline 
WA_REYCALVCONTENT_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.