ABAP Select data from SAP table EHHSSS_RAS_CTRL_CHG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHHSSS_RAS_CTRL_CHG
*  INTO TABLE @DATA(IT_EHHSSS_RAS_CTRL_CHG2).
*--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_EHHSSS_RAS_CTRL_CHG INDEX 1 INTO DATA(WA_EHHSSS_RAS_CTRL_CHG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHHSSS_RAS_CTRL_CHG>-TYPE_REPLACED = 1.
<EHHSSS_RAS_CTRL_CHG>-SUBJECT_REPLACED = 1.
<EHHSSS_RAS_CTRL_CHG>-CODE_REPLACED = 1.
<EHHSSS_RAS_CTRL_CHG>-KEY_REPLACED = 1.
<EHHSSS_RAS_CTRL_CHG>-ID_REPLACED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHHSSS_RAS_CTRL_CHG-TITLE_REPLACED, sy-vline,
  WA_EHHSSS_RAS_CTRL_CHG-KEY_REPLACING, sy-vline,
  WA_EHHSSS_RAS_CTRL_CHG-ID_REPLACING, sy-vline,
  WA_EHHSSS_RAS_CTRL_CHG-TITLE_REPLACING, sy-vline,
  WA_EHHSSS_RAS_CTRL_CHG-REF_CATEGORY, sy-vline,
  WA_EHHSSS_RAS_CTRL_CHG-MATERIAL_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHHSSS_RAS_CTRL_CHG 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_EHHSSS_RAS_CTRL_CHG 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_EHHSSS_RAS_CTRL_CHG INTO WA_EHHSSS_RAS_CTRL_CHG.


*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 EHACT, internal->external for field TYPE_REPLACED
CALL FUNCTION 'CONVERSION_EXIT_EHACT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-TYPE_REPLACED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-TYPE_REPLACED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHASU, internal->external for field SUBJECT_REPLACED
CALL FUNCTION 'CONVERSION_EXIT_EHASU_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-SUBJECT_REPLACED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-SUBJECT_REPLACED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHCTL, internal->external for field CODE_REPLACED
CALL FUNCTION 'CONVERSION_EXIT_EHCTL_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-CODE_REPLACED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-CODE_REPLACED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHCKR, internal->external for field KEY_REPLACED
CALL FUNCTION 'CONVERSION_EXIT_EHCKR_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-KEY_REPLACED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-KEY_REPLACED.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EHCKR, internal->external for field KEY_REPLACING
CALL FUNCTION 'CONVERSION_EXIT_EHCKR_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-KEY_REPLACING
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-KEY_REPLACING.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATERIAL_ID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-MATERIAL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-MATERIAL_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHFLO, internal->external for field FUNC_LOC_ID
CALL FUNCTION 'CONVERSION_EXIT_EHFLO_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-FUNC_LOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-FUNC_LOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQU_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_RAS_CTRL_CHG-EQU_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_RAS_CTRL_CHG-EQU_ID.
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_EHHSSS_RAS_CTRL_CHG_STR, 
TYPE_REPLACED TYPE STRING,
SUBJECT_REPLACED TYPE STRING,
CODE_REPLACED TYPE STRING,
KEY_REPLACED TYPE STRING,
ID_REPLACED TYPE STRING,
TITLE_REPLACED TYPE STRING,
KEY_REPLACING TYPE STRING,
ID_REPLACING TYPE STRING,
TITLE_REPLACING TYPE STRING,
REF_CATEGORY TYPE STRING,
MATERIAL_ID TYPE STRING,
MATERIAL_DESC TYPE STRING,
FUNC_LOC_ID TYPE STRING,
FUNC_LOC_DESC TYPE STRING,
EQU_ID TYPE STRING,
EQU_DESC TYPE STRING,
DOCUMENT_ID TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_PART TYPE STRING,
DOCUMENT_VERSION TYPE STRING,
DOCUMENT_DESC TYPE STRING,
PERMIT_ID TYPE STRING,
PERMIT_DESC TYPE STRING,
TASK_LIST_TYPE TYPE STRING,
TASK_LIST_GROUP TYPE STRING,
TASK_LIST_COUNTER TYPE STRING,
TASK_LIST_DESC TYPE STRING,
PRTO_ID TYPE STRING,
PRTO_DESC TYPE STRING,
FORM_REPLACEMENT TYPE STRING,
LATEST_REPL_DATE TYPE STRING,
REMARK_DESC TYPE STRING,
ASSET_REF_CATEGORY TYPE STRING,
ASSET_REF_ID TYPE STRING,
ASSET_DESC TYPE STRING,
TEAM_LEAD_ROLE_DESC TYPE STRING,
ADST_FORM_GROUP TYPE STRING,
ADST_FORM_NAME TYPE STRING,
ADST_FORM_GROUP_DESC TYPE STRING,
ADST_FORM_NAME_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHHSSS_RAS_CTRL_CHG_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_EHHSSS_RAS_CTRL_CHG_STR-TYPE_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-SUBJECT_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-CODE_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-KEY_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ID_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TITLE_REPLACED sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-KEY_REPLACING sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ID_REPLACING sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TITLE_REPLACING sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-REF_CATEGORY sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-MATERIAL_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-MATERIAL_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-FUNC_LOC_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-FUNC_LOC_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-EQU_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-EQU_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-DOCUMENT_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-DOCUMENT_TYPE sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-DOCUMENT_PART sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-DOCUMENT_VERSION sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-DOCUMENT_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-PERMIT_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-PERMIT_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TASK_LIST_TYPE sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TASK_LIST_GROUP sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TASK_LIST_COUNTER sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TASK_LIST_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-PRTO_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-PRTO_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-FORM_REPLACEMENT sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-LATEST_REPL_DATE sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-REMARK_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ASSET_REF_CATEGORY sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ASSET_REF_ID sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ASSET_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-TEAM_LEAD_ROLE_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ADST_FORM_GROUP sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ADST_FORM_NAME sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ADST_FORM_GROUP_DESC sy-vline 
WA_EHHSSS_RAS_CTRL_CHG_STR-ADST_FORM_NAME_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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