ABAP Select data from SAP table ICAPBGJINVSHF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAPBGJINVSHF
*  INTO TABLE @DATA(IT_ICAPBGJINVSHF2).
*--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_ICAPBGJINVSHF INDEX 1 INTO DATA(WA_ICAPBGJINVSHF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAPBGJINVSHF>-MANDT = 1.
<ICAPBGJINVSHF>-BACKGROUNDJOBUUID = 1.
<ICAPBGJINVSHF>-INTERVALENDDATE = 1.
<ICAPBGJINVSHF>-WEEKDAY = 1.
<ICAPBGJINVSHF>-AVAILABLECAPACITYSHIFT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAPBGJINVSHF-INTERVALSTARTDATE, sy-vline,
  WA_ICAPBGJINVSHF-WORKDAYRULE, sy-vline,
  WA_ICAPBGJINVSHF-AVAILABLECAPACITYINTERVALDURN, sy-vline,
  WA_ICAPBGJINVSHF-SHIFTSEQUENCE, sy-vline,
  WA_ICAPBGJINVSHF-SHIFTDEFINITION, sy-vline,
  WA_ICAPBGJINVSHF-SHIFTSTARTTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICAPBGJINVSHF 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_ICAPBGJINVSHF 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_ICAPBGJINVSHF INTO WA_ICAPBGJINVSHF.


*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_ICAPBGJINVSHF_STR, 
MANDT TYPE STRING,
BACKGROUNDJOBUUID TYPE STRING,
INTERVALENDDATE TYPE STRING,
WEEKDAY TYPE STRING,
AVAILABLECAPACITYSHIFT TYPE STRING,
INTERVALSTARTDATE TYPE STRING,
WORKDAYRULE TYPE STRING,
AVAILABLECAPACITYINTERVALDURN TYPE STRING,
SHIFTSEQUENCE TYPE STRING,
SHIFTDEFINITION TYPE STRING,
SHIFTSTARTTIME TYPE STRING,
SHIFTENDTIME TYPE STRING,
CAPACITYBREAKDURATION TYPE STRING,
CAPACITYPLANUTILIZATIONPERCENT TYPE STRING,
CAPACITYNUMBEROFCAPACITIES TYPE STRING,
CAPACITYCHANGEISINTERVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICAPBGJINVSHF_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_ICAPBGJINVSHF_STR-MANDT sy-vline 
WA_ICAPBGJINVSHF_STR-BACKGROUNDJOBUUID sy-vline 
WA_ICAPBGJINVSHF_STR-INTERVALENDDATE sy-vline 
WA_ICAPBGJINVSHF_STR-WEEKDAY sy-vline 
WA_ICAPBGJINVSHF_STR-AVAILABLECAPACITYSHIFT sy-vline 
WA_ICAPBGJINVSHF_STR-INTERVALSTARTDATE sy-vline 
WA_ICAPBGJINVSHF_STR-WORKDAYRULE sy-vline 
WA_ICAPBGJINVSHF_STR-AVAILABLECAPACITYINTERVALDURN sy-vline 
WA_ICAPBGJINVSHF_STR-SHIFTSEQUENCE sy-vline 
WA_ICAPBGJINVSHF_STR-SHIFTDEFINITION sy-vline 
WA_ICAPBGJINVSHF_STR-SHIFTSTARTTIME sy-vline 
WA_ICAPBGJINVSHF_STR-SHIFTENDTIME sy-vline 
WA_ICAPBGJINVSHF_STR-CAPACITYBREAKDURATION sy-vline 
WA_ICAPBGJINVSHF_STR-CAPACITYPLANUTILIZATIONPERCENT sy-vline 
WA_ICAPBGJINVSHF_STR-CAPACITYNUMBEROFCAPACITIES sy-vline 
WA_ICAPBGJINVSHF_STR-CAPACITYCHANGEISINTERVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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