ABAP Select data from SAP table CRMT_BSP_ERMS_WB_ATTACHMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_BSP_ERMS_WB_ATTACHMENT
*  INTO TABLE @DATA(IT_CRMT_BSP_ERMS_WB_ATTACHMENT2).
*--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_CRMT_BSP_ERMS_WB_ATTACHMENT INDEX 1 INTO DATA(WA_CRMT_BSP_ERMS_WB_ATTACHMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_BSP_ERMS_WB_ATTACHMENT>-OBJECT_KEY = 1.
<CRMT_BSP_ERMS_WB_ATTACHMENT>-FOLTP = 1.
<CRMT_BSP_ERMS_WB_ATTACHMENT>-FOLYR = 1.
<CRMT_BSP_ERMS_WB_ATTACHMENT>-FOLNO = 1.
<CRMT_BSP_ERMS_WB_ATTACHMENT>-OBJTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_BSP_ERMS_WB_ATTACHMENT-OBJYR, sy-vline,
  WA_CRMT_BSP_ERMS_WB_ATTACHMENT-OBJNO, sy-vline,
  WA_CRMT_BSP_ERMS_WB_ATTACHMENT-FORNAM, sy-vline,
  WA_CRMT_BSP_ERMS_WB_ATTACHMENT-OBJNAM, sy-vline,
  WA_CRMT_BSP_ERMS_WB_ATTACHMENT-OBJDES, sy-vline,
  WA_CRMT_BSP_ERMS_WB_ATTACHMENT-FOLRG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_BSP_ERMS_WB_ATTACHMENT 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_CRMT_BSP_ERMS_WB_ATTACHMENT 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_CRMT_BSP_ERMS_WB_ATTACHMENT INTO WA_CRMT_BSP_ERMS_WB_ATTACHMENT.


*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_CRMT_BSP_ERMS_WB_ATTACHMENT_STR, 
OBJECT_KEY TYPE STRING,
FOLTP TYPE STRING,
FOLYR TYPE STRING,
FOLNO TYPE STRING,
OBJTP TYPE STRING,
OBJYR TYPE STRING,
OBJNO TYPE STRING,
FORNAM TYPE STRING,
OBJNAM TYPE STRING,
OBJDES TYPE STRING,
FOLRG TYPE STRING,
FILE_EXT TYPE STRING,
OBJLEN TYPE STRING,
CREATOR TYPE STRING,
OBJCP TYPE STRING,
FIXED TYPE STRING,
OBJSND TYPE STRING,
OWNTP TYPE STRING,
OWNYR TYPE STRING,
OWNNO TYPE STRING,
EXTCT TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
OBJECT_URL TYPE STRING,
FILE_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_BSP_ERMS_WB_ATTACHMENT_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_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJECT_KEY sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FOLTP sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FOLYR sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FOLNO sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJTP sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJYR sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJNO sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FORNAM sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJNAM sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJDES sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FOLRG sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FILE_EXT sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJLEN sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-CREATOR sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJCP sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FIXED sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJSND sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OWNTP sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OWNYR sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OWNNO sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-EXTCT sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-CRDAT sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-CRTIM sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-CHDAT sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-CHTIM sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-OBJECT_URL sy-vline 
WA_CRMT_BSP_ERMS_WB_ATTACHMENT_STR-FILE_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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