ABAP Select data from SAP table ATP_SBC_REQ_SEMANTIC_KEY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATP_SBC_REQ_SEMANTIC_KEY
*  INTO TABLE @DATA(IT_ATP_SBC_REQ_SEMANTIC_KEY2).
*--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_ATP_SBC_REQ_SEMANTIC_KEY INDEX 1 INTO DATA(WA_ATP_SBC_REQ_SEMANTIC_KEY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATP_SBC_REQ_SEMANTIC_KEY>-ASSGDATPRELEVANTDOCCATEGORY = 1.
<ATP_SBC_REQ_SEMANTIC_KEY>-ATPRELEVANTDOCUMENT = 1.
<ATP_SBC_REQ_SEMANTIC_KEY>-ATPRELEVANTDOCUMENTITEM = 1.
<ATP_SBC_REQ_SEMANTIC_KEY>-ATPRELEVANTDOCUMENTSUBITEM = 1.
<ATP_SBC_REQ_SEMANTIC_KEY>-ATPRELEVANTDOCSCHEDULELINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATP_SBC_REQ_SEMANTIC_KEY-REQDPRODAVAILABILITYUTCDATETME, sy-vline,
  WA_ATP_SBC_REQ_SEMANTIC_KEY-REQDTRANSPPLANNINGUTCDATETIME, sy-vline,
  WA_ATP_SBC_REQ_SEMANTIC_KEY-REQUESTEDLOADINGUTCDATETIME, sy-vline,
  WA_ATP_SBC_REQ_SEMANTIC_KEY-REQUESTEDGOODSISSUEUTCDATETIME, sy-vline,
  WA_ATP_SBC_REQ_SEMANTIC_KEY-REQUESTEDDELIVERYUTCDATETIME, sy-vline,
  WA_ATP_SBC_REQ_SEMANTIC_KEY-REQUESTEDUNLOADINGUTCDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATP_SBC_REQ_SEMANTIC_KEY 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_ATP_SBC_REQ_SEMANTIC_KEY 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_ATP_SBC_REQ_SEMANTIC_KEY INTO WA_ATP_SBC_REQ_SEMANTIC_KEY.


*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_ATP_SBC_REQ_SEMANTIC_KEY_STR, 
ASSGDATPRELEVANTDOCCATEGORY TYPE STRING,
ATPRELEVANTDOCUMENT TYPE STRING,
ATPRELEVANTDOCUMENTITEM TYPE STRING,
ATPRELEVANTDOCUMENTSUBITEM TYPE STRING,
ATPRELEVANTDOCSCHEDULELINE TYPE STRING,
REQDPRODAVAILABILITYUTCDATETME TYPE STRING,
REQDTRANSPPLANNINGUTCDATETIME TYPE STRING,
REQUESTEDLOADINGUTCDATETIME TYPE STRING,
REQUESTEDGOODSISSUEUTCDATETIME TYPE STRING,
REQUESTEDDELIVERYUTCDATETIME TYPE STRING,
REQUESTEDUNLOADINGUTCDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATP_SBC_REQ_SEMANTIC_KEY_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_ATP_SBC_REQ_SEMANTIC_KEY_STR-ASSGDATPRELEVANTDOCCATEGORY sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-ATPRELEVANTDOCUMENT sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-ATPRELEVANTDOCUMENTITEM sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-ATPRELEVANTDOCUMENTSUBITEM sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-ATPRELEVANTDOCSCHEDULELINE sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQDPRODAVAILABILITYUTCDATETME sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQDTRANSPPLANNINGUTCDATETIME sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQUESTEDLOADINGUTCDATETIME sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQUESTEDGOODSISSUEUTCDATETIME sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQUESTEDDELIVERYUTCDATETIME sy-vline 
WA_ATP_SBC_REQ_SEMANTIC_KEY_STR-REQUESTEDUNLOADINGUTCDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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