ABAP Select data from SAP table GMGR_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GMGR_UPD
*  INTO TABLE @DATA(IT_GMGR_UPD2).
*--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_GMGR_UPD INDEX 1 INTO DATA(WA_GMGR_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GMGR_UPD>-CLIENT = 1.
<GMGR_UPD>-GRANT_NBR = 1.
<GMGR_UPD>-REVISION_NBR = 1.
<GMGR_UPD>-INT_REFERENCE = 1.
<GMGR_UPD>-EXT_REFERENCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GMGR_UPD-VALID_FROM, sy-vline,
  WA_GMGR_UPD-VALID_TO, sy-vline,
  WA_GMGR_UPD-GRANT_TYPE, sy-vline,
  WA_GMGR_UPD-COMPANY_CODE, sy-vline,
  WA_GMGR_UPD-AWARD_TYPE, sy-vline,
  WA_GMGR_UPD-AWARD_START, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GMGR_UPD 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_GMGR_UPD 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_GMGR_UPD INTO WA_GMGR_UPD.


*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 GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GMGR_UPD-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMGR_UPD-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_GMGR_UPD-EXCHANGE_RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMGR_UPD-EXCHANGE_RATE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_GMGR_UPD-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMGR_UPD-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GMGR_UPD-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMGR_UPD-KOSTL.
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_GMGR_UPD_STR, 
CLIENT TYPE STRING,
GRANT_NBR TYPE STRING,
REVISION_NBR TYPE STRING,
INT_REFERENCE TYPE STRING,
EXT_REFERENCE TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
GRANT_TYPE TYPE STRING,
COMPANY_CODE TYPE STRING,
AWARD_TYPE TYPE STRING,
AWARD_START TYPE STRING,
AWARD_END TYPE STRING,
FINAL_BILL_DATE TYPE STRING,
LETTER_OF_CREDIT TYPE STRING,
BLOCKING_IND TYPE STRING,
SPLIT_OF_YEARS TYPE STRING,
GRANT_FY_VARIANT TYPE STRING,
GRANT_CURRENCY TYPE STRING,
GRANT_TOTAL TYPE STRING,
EXCHANGE_RATE TYPE STRING,
EXCHANGE_DATE TYPE STRING,
FROM_FACTOR TYPE STRING,
TO_FACTOR TYPE STRING,
CFDA TYPE STRING,
FUNDING_ORIGIN TYPE STRING,
PARTNER TYPE STRING,
SALES_ORDER TYPE STRING,
SALESORG TYPE STRING,
DISTR_CHAN TYPE STRING,
DIVISION TYPE STRING,
WBS_ELEMENT TYPE STRING,
BILLING_RULE TYPE STRING,
PAYMENT_RULE TYPE STRING,
INSTALLMENT_AMT TYPE STRING,
MILESTONE_TOTAL TYPE STRING,
IDC_RULE TYPE STRING,
SPLITTING_RULE TYPE STRING,
BUDGET_TRANSFER TYPE STRING,
IDC_CAP TYPE STRING,
IDC_ACCUMULATED TYPE STRING,
CS_RULE TYPE STRING,
CS_RATE TYPE STRING,
OBJECT_NO TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
USER_STATUS TYPE STRING,
WORKFLOW_STATUS TYPE STRING,
TASK_LIST TYPE STRING,
APPLICATION_LOG TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_AT TYPE STRING,
COPY_SOURCE TYPE STRING,
MODIFIED_BY TYPE STRING,
MODIFIED_ON TYPE STRING,
MODIFIED_AT TYPE STRING,
AUTHGR TYPE STRING,
XDELE TYPE STRING,
PRE_AWARD_COSTS TYPE STRING,
WORKFLOW_BLOCK TYPE STRING,
OUTGOING TYPE STRING,
ORDERID TYPE STRING,
EXCHANGE_RULE TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
OBJECTID TYPE STRING,
DOCUMENT_CLASS TYPE STRING,
DUMMY_GMGR_INCL_EEW_PS TYPE STRING,
IDC_RATE TYPE STRING,
AKTDB TYPE STRING,
AKTYP TYPE STRING,
XCHNG TYPE STRING,
NRRNG TYPE STRING,
XNREX TYPE STRING,
VALDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GMGR_UPD_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_GMGR_UPD_STR-CLIENT sy-vline 
WA_GMGR_UPD_STR-GRANT_NBR sy-vline 
WA_GMGR_UPD_STR-REVISION_NBR sy-vline 
WA_GMGR_UPD_STR-INT_REFERENCE sy-vline 
WA_GMGR_UPD_STR-EXT_REFERENCE sy-vline 
WA_GMGR_UPD_STR-VALID_FROM sy-vline 
WA_GMGR_UPD_STR-VALID_TO sy-vline 
WA_GMGR_UPD_STR-GRANT_TYPE sy-vline 
WA_GMGR_UPD_STR-COMPANY_CODE sy-vline 
WA_GMGR_UPD_STR-AWARD_TYPE sy-vline 
WA_GMGR_UPD_STR-AWARD_START sy-vline 
WA_GMGR_UPD_STR-AWARD_END sy-vline 
WA_GMGR_UPD_STR-FINAL_BILL_DATE sy-vline 
WA_GMGR_UPD_STR-LETTER_OF_CREDIT sy-vline 
WA_GMGR_UPD_STR-BLOCKING_IND sy-vline 
WA_GMGR_UPD_STR-SPLIT_OF_YEARS sy-vline 
WA_GMGR_UPD_STR-GRANT_FY_VARIANT sy-vline 
WA_GMGR_UPD_STR-GRANT_CURRENCY sy-vline 
WA_GMGR_UPD_STR-GRANT_TOTAL sy-vline 
WA_GMGR_UPD_STR-EXCHANGE_RATE sy-vline 
WA_GMGR_UPD_STR-EXCHANGE_DATE sy-vline 
WA_GMGR_UPD_STR-FROM_FACTOR sy-vline 
WA_GMGR_UPD_STR-TO_FACTOR sy-vline 
WA_GMGR_UPD_STR-CFDA sy-vline 
WA_GMGR_UPD_STR-FUNDING_ORIGIN sy-vline 
WA_GMGR_UPD_STR-PARTNER sy-vline 
WA_GMGR_UPD_STR-SALES_ORDER sy-vline 
WA_GMGR_UPD_STR-SALESORG sy-vline 
WA_GMGR_UPD_STR-DISTR_CHAN sy-vline 
WA_GMGR_UPD_STR-DIVISION sy-vline 
WA_GMGR_UPD_STR-WBS_ELEMENT sy-vline 
WA_GMGR_UPD_STR-BILLING_RULE sy-vline 
WA_GMGR_UPD_STR-PAYMENT_RULE sy-vline 
WA_GMGR_UPD_STR-INSTALLMENT_AMT sy-vline 
WA_GMGR_UPD_STR-MILESTONE_TOTAL sy-vline 
WA_GMGR_UPD_STR-IDC_RULE sy-vline 
WA_GMGR_UPD_STR-SPLITTING_RULE sy-vline 
WA_GMGR_UPD_STR-BUDGET_TRANSFER sy-vline 
WA_GMGR_UPD_STR-IDC_CAP sy-vline 
WA_GMGR_UPD_STR-IDC_ACCUMULATED sy-vline 
WA_GMGR_UPD_STR-CS_RULE sy-vline 
WA_GMGR_UPD_STR-CS_RATE sy-vline 
WA_GMGR_UPD_STR-OBJECT_NO sy-vline 
WA_GMGR_UPD_STR-LIFECYCLE_STATUS sy-vline 
WA_GMGR_UPD_STR-USER_STATUS sy-vline 
WA_GMGR_UPD_STR-WORKFLOW_STATUS sy-vline 
WA_GMGR_UPD_STR-TASK_LIST sy-vline 
WA_GMGR_UPD_STR-APPLICATION_LOG sy-vline 
WA_GMGR_UPD_STR-CREATED_BY sy-vline 
WA_GMGR_UPD_STR-CREATED_ON sy-vline 
WA_GMGR_UPD_STR-CREATED_AT sy-vline 
WA_GMGR_UPD_STR-COPY_SOURCE sy-vline 
WA_GMGR_UPD_STR-MODIFIED_BY sy-vline 
WA_GMGR_UPD_STR-MODIFIED_ON sy-vline 
WA_GMGR_UPD_STR-MODIFIED_AT sy-vline 
WA_GMGR_UPD_STR-AUTHGR sy-vline 
WA_GMGR_UPD_STR-XDELE sy-vline 
WA_GMGR_UPD_STR-PRE_AWARD_COSTS sy-vline 
WA_GMGR_UPD_STR-WORKFLOW_BLOCK sy-vline 
WA_GMGR_UPD_STR-OUTGOING sy-vline 
WA_GMGR_UPD_STR-ORDERID sy-vline 
WA_GMGR_UPD_STR-EXCHANGE_RULE sy-vline 
WA_GMGR_UPD_STR-KOKRS sy-vline 
WA_GMGR_UPD_STR-KOSTL sy-vline 
WA_GMGR_UPD_STR-OBJECTID sy-vline 
WA_GMGR_UPD_STR-DOCUMENT_CLASS sy-vline 
WA_GMGR_UPD_STR-DUMMY_GMGR_INCL_EEW_PS sy-vline 
WA_GMGR_UPD_STR-IDC_RATE sy-vline 
WA_GMGR_UPD_STR-AKTDB sy-vline 
WA_GMGR_UPD_STR-AKTYP sy-vline 
WA_GMGR_UPD_STR-XCHNG sy-vline 
WA_GMGR_UPD_STR-NRRNG sy-vline 
WA_GMGR_UPD_STR-XNREX sy-vline 
WA_GMGR_UPD_STR-VALDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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