ABAP Select data from SAP table CRSHASTNONWRKTME into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRSHASTNONWRKTME
*  INTO TABLE @DATA(IT_CRSHASTNONWRKTME2).
*--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_CRSHASTNONWRKTME INDEX 1 INTO DATA(WA_CRSHASTNONWRKTME2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRSHASTNONWRKTME>-MANDT = 1.
<CRSHASTNONWRKTME>-WORKCENTERINTERNALID = 1.
<CRSHASTNONWRKTME>-WORKCENTERTYPECODE = 1.
<CRSHASTNONWRKTME>-CAPACITYINTERNALID = 1.
<CRSHASTNONWRKTME>-CALENDARDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRSHASTNONWRKTME-MAINTASSETBOARDSHAPEID, sy-vline,
  WA_CRSHASTNONWRKTME-MAINTSCHEDSIMLNUUID, sy-vline,
  WA_CRSHASTNONWRKTME-MAINTASSETBOARDSHAPESTRTDTETME, sy-vline,
  WA_CRSHASTNONWRKTME-MAINTASSETBOARDSHAPEENDDTETME, sy-vline,
  WA_CRSHASTNONWRKTME-MAINTASSETBOARDSHAPETYPE, sy-vline,
  WA_CRSHASTNONWRKTME-WORKCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRSHASTNONWRKTME 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_CRSHASTNONWRKTME 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_CRSHASTNONWRKTME INTO WA_CRSHASTNONWRKTME.


*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_CRSHASTNONWRKTME_STR, 
MANDT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
CALENDARDATE TYPE STRING,
MAINTASSETBOARDSHAPEID TYPE STRING,
MAINTSCHEDSIMLNUUID TYPE STRING,
MAINTASSETBOARDSHAPESTRTDTETME TYPE STRING,
MAINTASSETBOARDSHAPEENDDTETME TYPE STRING,
MAINTASSETBOARDSHAPETYPE TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
PLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRSHASTNONWRKTME_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_CRSHASTNONWRKTME_STR-MANDT sy-vline 
WA_CRSHASTNONWRKTME_STR-WORKCENTERINTERNALID sy-vline 
WA_CRSHASTNONWRKTME_STR-WORKCENTERTYPECODE sy-vline 
WA_CRSHASTNONWRKTME_STR-CAPACITYINTERNALID sy-vline 
WA_CRSHASTNONWRKTME_STR-CALENDARDATE sy-vline 
WA_CRSHASTNONWRKTME_STR-MAINTASSETBOARDSHAPEID sy-vline 
WA_CRSHASTNONWRKTME_STR-MAINTSCHEDSIMLNUUID sy-vline 
WA_CRSHASTNONWRKTME_STR-MAINTASSETBOARDSHAPESTRTDTETME sy-vline 
WA_CRSHASTNONWRKTME_STR-MAINTASSETBOARDSHAPEENDDTETME sy-vline 
WA_CRSHASTNONWRKTME_STR-MAINTASSETBOARDSHAPETYPE sy-vline 
WA_CRSHASTNONWRKTME_STR-WORKCENTER sy-vline 
WA_CRSHASTNONWRKTME_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_CRSHASTNONWRKTME_STR-PLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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