ABAP Select data from SAP table GMIDC_GRANT_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GMIDC_GRANT_INFO
*  INTO TABLE @DATA(IT_GMIDC_GRANT_INFO2).
*--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_GMIDC_GRANT_INFO INDEX 1 INTO DATA(WA_GMIDC_GRANT_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GMIDC_GRANT_INFO>-DOCNR = 1.
<GMIDC_GRANT_INFO>-REFDOCNR = 1.
<GMIDC_GRANT_INFO>-RLDNR = 1.
<GMIDC_GRANT_INFO>-GRANT_NBR = 1.
<GMIDC_GRANT_INFO>-OUTGOING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GMIDC_GRANT_INFO-EXTERNAL_FUND, sy-vline,
  WA_GMIDC_GRANT_INFO-GMIA_DOCS, sy-vline,
  WA_GMIDC_GRANT_INFO-IDC_DOCS, sy-vline,
  WA_GMIDC_GRANT_INFO-SKIP_GRANT, sy-vline,
  WA_GMIDC_GRANT_INFO-COMPANY_CODE, sy-vline,
  WA_GMIDC_GRANT_INFO-GRANT_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GMIDC_GRANT_INFO 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_GMIDC_GRANT_INFO 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_GMIDC_GRANT_INFO INTO WA_GMIDC_GRANT_INFO.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field IDC_DEBIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GMIDC_GRANT_INFO-IDC_DEBIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMIDC_GRANT_INFO-IDC_DEBIT.
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_GMIDC_GRANT_INFO_STR, 
DOCNR TYPE STRING,
REFDOCNR TYPE STRING,
RLDNR TYPE STRING,
GRANT_NBR TYPE STRING,
OUTGOING TYPE STRING,
EXTERNAL_FUND TYPE STRING,
GMIA_DOCS TYPE STRING,
IDC_DOCS TYPE STRING,
SKIP_GRANT TYPE STRING,
COMPANY_CODE TYPE STRING,
GRANT_TYPE TYPE STRING,
IDC_RULE TYPE STRING,
CS_RULE TYPE STRING,
CS_BASE TYPE STRING,
CHRT_ACCTS TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
AWARD_START TYPE STRING,
AWARD_END TYPE STRING,
AUTHGR TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
COST_REIMBURSE TYPE STRING,
IDC_RECOVERY_CLA TYPE STRING,
IDC_EXPENSE TYPE STRING,
IDC_EXPENSE_CLAS TYPE STRING,
DUMMY_CASH TYPE STRING,
IDC_CREDIT TYPE STRING,
IDC_CREDIT_CLASS TYPE STRING,
IDC_DEBIT TYPE STRING,
IDC_DEBIT_CLASS TYPE STRING,
IDC_FUNDTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GMIDC_GRANT_INFO_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_GMIDC_GRANT_INFO_STR-DOCNR sy-vline 
WA_GMIDC_GRANT_INFO_STR-REFDOCNR sy-vline 
WA_GMIDC_GRANT_INFO_STR-RLDNR sy-vline 
WA_GMIDC_GRANT_INFO_STR-GRANT_NBR sy-vline 
WA_GMIDC_GRANT_INFO_STR-OUTGOING sy-vline 
WA_GMIDC_GRANT_INFO_STR-EXTERNAL_FUND sy-vline 
WA_GMIDC_GRANT_INFO_STR-GMIA_DOCS sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_DOCS sy-vline 
WA_GMIDC_GRANT_INFO_STR-SKIP_GRANT sy-vline 
WA_GMIDC_GRANT_INFO_STR-COMPANY_CODE sy-vline 
WA_GMIDC_GRANT_INFO_STR-GRANT_TYPE sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_RULE sy-vline 
WA_GMIDC_GRANT_INFO_STR-CS_RULE sy-vline 
WA_GMIDC_GRANT_INFO_STR-CS_BASE sy-vline 
WA_GMIDC_GRANT_INFO_STR-CHRT_ACCTS sy-vline 
WA_GMIDC_GRANT_INFO_STR-VALID_FROM sy-vline 
WA_GMIDC_GRANT_INFO_STR-VALID_TO sy-vline 
WA_GMIDC_GRANT_INFO_STR-AWARD_START sy-vline 
WA_GMIDC_GRANT_INFO_STR-AWARD_END sy-vline 
WA_GMIDC_GRANT_INFO_STR-AUTHGR sy-vline 
WA_GMIDC_GRANT_INFO_STR-LIFECYCLE_STATUS sy-vline 
WA_GMIDC_GRANT_INFO_STR-COST_REIMBURSE sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_RECOVERY_CLA sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_EXPENSE sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_EXPENSE_CLAS sy-vline 
WA_GMIDC_GRANT_INFO_STR-DUMMY_CASH sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_CREDIT sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_CREDIT_CLASS sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_DEBIT sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_DEBIT_CLASS sy-vline 
WA_GMIDC_GRANT_INFO_STR-IDC_FUNDTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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