ABAP Select data from SAP table CRSHMNTASTBRD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRSHMNTASTBRD
*  INTO TABLE @DATA(IT_CRSHMNTASTBRD2).
*--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_CRSHMNTASTBRD INDEX 1 INTO DATA(WA_CRSHMNTASTBRD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRSHMNTASTBRD>-MANDT = 1.
<CRSHMNTASTBRD>-MAINTASSETBOARDROWOBJID = 1.
<CRSHMNTASTBRD>-MAINTASSETBOARDREADABLEKEY = 1.
<CRSHMNTASTBRD>-MAINTASSETBOARDROWDESCRIPTION = 1.
<CRSHMNTASTBRD>-FUNCTIONALLOCATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRSHMNTASTBRD-FUNCTIONALLOCATIONNAME, sy-vline,
  WA_CRSHMNTASTBRD-EQUIPMENT, sy-vline,
  WA_CRSHMNTASTBRD-EQUIPMENTNAME, sy-vline,
  WA_CRSHMNTASTBRD-MAINTASSETBOARDPARENTROWOBJID, sy-vline,
  WA_CRSHMNTASTBRD-MAINTASSETBOARDROWLEVEL, sy-vline,
  WA_CRSHMNTASTBRD-MAINTASSETBOARDROWISEXPANDED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRSHMNTASTBRD 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_CRSHMNTASTBRD 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_CRSHMNTASTBRD INTO WA_CRSHMNTASTBRD.


*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 TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CRSHMNTASTBRD-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHMNTASTBRD-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRSHMNTASTBRD-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHMNTASTBRD-EQUIPMENT.
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_CRSHMNTASTBRD_STR, 
MANDT TYPE STRING,
MAINTASSETBOARDROWOBJID TYPE STRING,
MAINTASSETBOARDREADABLEKEY TYPE STRING,
MAINTASSETBOARDROWDESCRIPTION TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
FUNCTIONALLOCATIONNAME TYPE STRING,
EQUIPMENT TYPE STRING,
EQUIPMENTNAME TYPE STRING,
MAINTASSETBOARDPARENTROWOBJID TYPE STRING,
MAINTASSETBOARDROWLEVEL TYPE STRING,
MAINTASSETBOARDROWISEXPANDED TYPE STRING,
MAINTASSETBOARDROWOBJTYPE TYPE STRING,
MAINTENANCEORDERTYPE TYPE STRING,
OPERATIONSYSTEMCONDITION TYPE STRING,
OPERATIONSYSTEMCONDITIONTEXT TYPE STRING,
PROCESSINGSTATUS TYPE STRING,
PROCESSINGSTATUSTEXT TYPE STRING,
MAINTPRIORITY TYPE STRING,
MAINTPRIORITYTYPE TYPE STRING,
MAINTPRIORITYDESC TYPE STRING,
MAINTENANCEACTIVITYTYPE TYPE STRING,
MAINTENANCEACTIVITYTYPENAME TYPE STRING,
MATERIALSTATUS TYPE STRING,
MATERIALSTATUSTEXT TYPE STRING,
MATERIALSTATUSCODE TYPE STRING,
MATERIALSTATUSKEY TYPE STRING,
MAINWORKCENTER TYPE STRING,
TECHOBJPRODUCTIONWORKCENTER TYPE STRING,
HIERARCHYDESCENDANTCOUNT TYPE STRING,
LATESTACCEPTABLECOMPLETIONDATE TYPE STRING,
MAINTORDPROCESSPHASECODE TYPE STRING,
MAINTORDPROCESSPHASEDESC TYPE STRING,
MAINTORDPROCESSSUBPHASECODE TYPE STRING,
MAINTORDPROCESSSUBPHASEDESC TYPE STRING,
CONCATENATEDORDERPHASECTRLTEXT TYPE STRING,
MAINTOBJECTLOCACCTASSGMTNMBR TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRSHMNTASTBRD_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_CRSHMNTASTBRD_STR-MANDT sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDROWOBJID sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDREADABLEKEY sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDROWDESCRIPTION sy-vline 
WA_CRSHMNTASTBRD_STR-FUNCTIONALLOCATION sy-vline 
WA_CRSHMNTASTBRD_STR-FUNCTIONALLOCATIONNAME sy-vline 
WA_CRSHMNTASTBRD_STR-EQUIPMENT sy-vline 
WA_CRSHMNTASTBRD_STR-EQUIPMENTNAME sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDPARENTROWOBJID sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDROWLEVEL sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDROWISEXPANDED sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTASSETBOARDROWOBJTYPE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTENANCEORDERTYPE sy-vline 
WA_CRSHMNTASTBRD_STR-OPERATIONSYSTEMCONDITION sy-vline 
WA_CRSHMNTASTBRD_STR-OPERATIONSYSTEMCONDITIONTEXT sy-vline 
WA_CRSHMNTASTBRD_STR-PROCESSINGSTATUS sy-vline 
WA_CRSHMNTASTBRD_STR-PROCESSINGSTATUSTEXT sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTPRIORITY sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTPRIORITYTYPE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTPRIORITYDESC sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTENANCEACTIVITYTYPE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTENANCEACTIVITYTYPENAME sy-vline 
WA_CRSHMNTASTBRD_STR-MATERIALSTATUS sy-vline 
WA_CRSHMNTASTBRD_STR-MATERIALSTATUSTEXT sy-vline 
WA_CRSHMNTASTBRD_STR-MATERIALSTATUSCODE sy-vline 
WA_CRSHMNTASTBRD_STR-MATERIALSTATUSKEY sy-vline 
WA_CRSHMNTASTBRD_STR-MAINWORKCENTER sy-vline 
WA_CRSHMNTASTBRD_STR-TECHOBJPRODUCTIONWORKCENTER sy-vline 
WA_CRSHMNTASTBRD_STR-HIERARCHYDESCENDANTCOUNT sy-vline 
WA_CRSHMNTASTBRD_STR-LATESTACCEPTABLECOMPLETIONDATE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTORDPROCESSPHASECODE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTORDPROCESSPHASEDESC sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTORDPROCESSSUBPHASECODE sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTORDPROCESSSUBPHASEDESC sy-vline 
WA_CRSHMNTASTBRD_STR-CONCATENATEDORDERPHASECTRLTEXT sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTOBJECTLOCACCTASSGMTNMBR sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CRSHMNTASTBRD_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CRSHMNTASTBRD_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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