ABAP Select data from SAP table IGMMYOVLBDGTALT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IGMMYOVLBDGTALT
*  INTO TABLE @DATA(IT_IGMMYOVLBDGTALT2).
*--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_IGMMYOVLBDGTALT INDEX 1 INTO DATA(WA_IGMMYOVLBDGTALT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IGMMYOVLBDGTALT>-MANDT = 1.
<IGMMYOVLBDGTALT>-COMPANYCODE = 1.
<IGMMYOVLBDGTALT>-AVAILABILITYCONTROLLEDGER = 1.
<IGMMYOVLBDGTALT>-GRANTID = 1.
<IGMMYOVLBDGTALT>-CONTROLOBJECTFUND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IGMMYOVLBDGTALT-CONTROLOBJECTSPONSOREDPROGRAM, sy-vline,
  WA_IGMMYOVLBDGTALT-CONTROLOBJECTSPONSOREDCLASS, sy-vline,
  WA_IGMMYOVLBDGTALT-CTRLOBJGTEEMBDGTVALIDITYNUMBER, sy-vline,
  WA_IGMMYOVLBDGTALT-GRANTCURRENCY, sy-vline,
  WA_IGMMYOVLBDGTALT-CONSUMABLEAMOUNTINCCCRCY, sy-vline,
  WA_IGMMYOVLBDGTALT-CONSUMEDAMOUNTINCCCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IGMMYOVLBDGTALT 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_IGMMYOVLBDGTALT 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_IGMMYOVLBDGTALT INTO WA_IGMMYOVLBDGTALT.


*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 ALPHA, internal->external for field AVAILABILITYCONTROLLEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IGMMYOVLBDGTALT-AVAILABILITYCONTROLLEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IGMMYOVLBDGTALT-AVAILABILITYCONTROLLEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IGMMYOVLBDGTALT-GRANTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IGMMYOVLBDGTALT-GRANTID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANTEEMGMTSPONSOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IGMMYOVLBDGTALT-GRANTEEMGMTSPONSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IGMMYOVLBDGTALT-GRANTEEMGMTSPONSOR.
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_IGMMYOVLBDGTALT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
AVAILABILITYCONTROLLEDGER TYPE STRING,
GRANTID TYPE STRING,
CONTROLOBJECTFUND TYPE STRING,
CONTROLOBJECTSPONSOREDPROGRAM TYPE STRING,
CONTROLOBJECTSPONSOREDCLASS TYPE STRING,
CTRLOBJGTEEMBDGTVALIDITYNUMBER TYPE STRING,
GRANTCURRENCY TYPE STRING,
CONSUMABLEAMOUNTINCCCRCY TYPE STRING,
CONSUMEDAMOUNTINCCCRCY TYPE STRING,
AVAILABLEAMOUNTINCCCRCY TYPE STRING,
CONSUMABLEAMOUNTINGRANTCRCY TYPE STRING,
CONSUMEDAMOUNTINGRANTCRCY TYPE STRING,
AVAILABLEAMOUNTINGRANTCRCY TYPE STRING,
NUMBEROFCONTROLOBJECTS TYPE STRING,
GRANTEEMGMTSPONSOR TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
GRANTLIFECYCLESTATUS TYPE STRING,
GRANTAUTHZNGRP TYPE STRING,
GRANTEEMGMTSPONSORAUTHZNGRP TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IGMMYOVLBDGTALT_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_IGMMYOVLBDGTALT_STR-MANDT sy-vline 
WA_IGMMYOVLBDGTALT_STR-COMPANYCODE sy-vline 
WA_IGMMYOVLBDGTALT_STR-AVAILABILITYCONTROLLEDGER sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTID sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONTROLOBJECTFUND sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONTROLOBJECTSPONSOREDPROGRAM sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONTROLOBJECTSPONSOREDCLASS sy-vline 
WA_IGMMYOVLBDGTALT_STR-CTRLOBJGTEEMBDGTVALIDITYNUMBER sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTCURRENCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONSUMABLEAMOUNTINCCCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONSUMEDAMOUNTINCCCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-AVAILABLEAMOUNTINCCCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONSUMABLEAMOUNTINGRANTCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-CONSUMEDAMOUNTINGRANTCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-AVAILABLEAMOUNTINGRANTCRCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-NUMBEROFCONTROLOBJECTS sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTEEMGMTSPONSOR sy-vline 
WA_IGMMYOVLBDGTALT_STR-COMPANYCODECURRENCY sy-vline 
WA_IGMMYOVLBDGTALT_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTLIFECYCLESTATUS sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTAUTHZNGRP sy-vline 
WA_IGMMYOVLBDGTALT_STR-GRANTEEMGMTSPONSORAUTHZNGRP sy-vline 
WA_IGMMYOVLBDGTALT_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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