ABAP Select data from SAP table EHSDSS_OR_DOC_DETAILS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSDSS_OR_DOC_DETAILS
*  INTO TABLE @DATA(IT_EHSDSS_OR_DOC_DETAILS2).
*--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_EHSDSS_OR_DOC_DETAILS INDEX 1 INTO DATA(WA_EHSDSS_OR_DOC_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSDSS_OR_DOC_DETAILS>-SFTYDATASHTOUTPREQDOCDETSUUID = 1.
<EHSDSS_OR_DOC_DETAILS>-SFTYDATASHTOUTPREQUUID = 1.
<EHSDSS_OR_DOC_DETAILS>-CREATIONUTCDATETIME = 1.
<EHSDSS_OR_DOC_DETAILS>-CREATEDBYUSER = 1.
<EHSDSS_OR_DOC_DETAILS>-LASTCHANGEUTCDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSDSS_OR_DOC_DETAILS-LASTCHANGEDBYUSER, sy-vline,
  WA_EHSDSS_OR_DOC_DETAILS-CMPLRQRSLTDOCINFOUUID, sy-vline,
  WA_EHSDSS_OR_DOC_DETAILS-FILENAME, sy-vline,
  WA_EHSDSS_OR_DOC_DETAILS-MIMETYPE, sy-vline,
  WA_EHSDSS_OR_DOC_DETAILS-MATERIAL, sy-vline,
  WA_EHSDSS_OR_DOC_DETAILS-SHIPMENT_REJECTED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSDSS_OR_DOC_DETAILS 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_EHSDSS_OR_DOC_DETAILS 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_EHSDSS_OR_DOC_DETAILS INTO WA_EHSDSS_OR_DOC_DETAILS.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHSDSS_OR_DOC_DETAILS-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSDSS_OR_DOC_DETAILS-MATERIAL.
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_EHSDSS_OR_DOC_DETAILS_STR, 
SFTYDATASHTOUTPREQDOCDETSUUID TYPE STRING,
SFTYDATASHTOUTPREQUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CMPLRQRSLTDOCINFOUUID TYPE STRING,
FILENAME TYPE STRING,
MIMETYPE TYPE STRING,
MATERIAL TYPE STRING,
SHIPMENT_REJECTED TYPE STRING,
FILESIZE TYPE STRING,
NMBROFPAGES TYPE STRING,
SFTYDATASHTISAVAILABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSDSS_OR_DOC_DETAILS_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_EHSDSS_OR_DOC_DETAILS_STR-SFTYDATASHTOUTPREQDOCDETSUUID sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-SFTYDATASHTOUTPREQUUID sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-CREATIONUTCDATETIME sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-CREATEDBYUSER sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-CMPLRQRSLTDOCINFOUUID sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-FILENAME sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-MIMETYPE sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-MATERIAL sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-SHIPMENT_REJECTED sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-FILESIZE sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-NMBROFPAGES sy-vline 
WA_EHSDSS_OR_DOC_DETAILS_STR-SFTYDATASHTISAVAILABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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