ABAP Select data from SAP table CGTMMOUTSTDGCMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGTMMOUTSTDGCMT
*  INTO TABLE @DATA(IT_CGTMMOUTSTDGCMT2).
*--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_CGTMMOUTSTDGCMT INDEX 1 INTO DATA(WA_CGTMMOUTSTDGCMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGTMMOUTSTDGCMT>-MANDT = 1.
<CGTMMOUTSTDGCMT>-GRANTID = 1.
<CGTMMOUTSTDGCMT>-REFERENCEDOCUMENT = 1.
<CGTMMOUTSTDGCMT>-REFERENCEDOCUMENTITEM = 1.
<CGTMMOUTSTDGCMT>-SPONSOREDPROGRAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGTMMOUTSTDGCMT-FUND, sy-vline,
  WA_CGTMMOUTSTDGCMT-SPONSOREDCLASS, sy-vline,
  WA_CGTMMOUTSTDGCMT-GTEEMBUDGETVALIDITYNUMBER, sy-vline,
  WA_CGTMMOUTSTDGCMT-GRANTNAME, sy-vline,
  WA_CGTMMOUTSTDGCMT-COMPANYCODE, sy-vline,
  WA_CGTMMOUTSTDGCMT-FUNDTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGTMMOUTSTDGCMT 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_CGTMMOUTSTDGCMT 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_CGTMMOUTSTDGCMT INTO WA_CGTMMOUTSTDGCMT.


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

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

*Conversion exit ALPHA, internal->external for field GRANTEEMGMTSPONSOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CGTMMOUTSTDGCMT-GRANTEEMGMTSPONSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGTMMOUTSTDGCMT-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_CGTMMOUTSTDGCMT_STR, 
MANDT TYPE STRING,
GRANTID TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTITEM TYPE STRING,
SPONSOREDPROGRAM TYPE STRING,
FUND TYPE STRING,
SPONSOREDCLASS TYPE STRING,
GTEEMBUDGETVALIDITYNUMBER TYPE STRING,
GRANTNAME TYPE STRING,
COMPANYCODE TYPE STRING,
FUNDTYPE TYPE STRING,
FUNDNAME TYPE STRING,
GRANTEEMGMTSPONSOR TYPE STRING,
GRANTEEMGMTSPONSORNAME TYPE STRING,
SPONSOREDPROGRAMDESCRIPTION TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
SPONSOREDCLASSDESCRIPTION TYPE STRING,
GRANTEEMGMTVALUETYPE TYPE STRING,
GRANTEEMGMTVALUETYPEDESC TYPE STRING,
GRANTLIFECYCLESTATUS TYPE STRING,
GRANTLIFECYCLESTATUSNAME TYPE STRING,
GRANTTYPE TYPE STRING,
GRANTCURRENCY TYPE STRING,
OPENCMTMTAMOUNTINGRANTCRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
OPENCMTMTAMOUNTINCOCODECRCY TYPE STRING,
GTEEMBDGTVALIDITYNUMBERSTRTDTE TYPE STRING,
GTEEMBDGTVALIDITYNUMBERENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGTMMOUTSTDGCMT_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_CGTMMOUTSTDGCMT_STR-MANDT sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTID sy-vline 
WA_CGTMMOUTSTDGCMT_STR-REFERENCEDOCUMENT sy-vline 
WA_CGTMMOUTSTDGCMT_STR-REFERENCEDOCUMENTITEM sy-vline 
WA_CGTMMOUTSTDGCMT_STR-SPONSOREDPROGRAM sy-vline 
WA_CGTMMOUTSTDGCMT_STR-FUND sy-vline 
WA_CGTMMOUTSTDGCMT_STR-SPONSOREDCLASS sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GTEEMBUDGETVALIDITYNUMBER sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTNAME sy-vline 
WA_CGTMMOUTSTDGCMT_STR-COMPANYCODE sy-vline 
WA_CGTMMOUTSTDGCMT_STR-FUNDTYPE sy-vline 
WA_CGTMMOUTSTDGCMT_STR-FUNDNAME sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTEEMGMTSPONSOR sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTEEMGMTSPONSORNAME sy-vline 
WA_CGTMMOUTSTDGCMT_STR-SPONSOREDPROGRAMDESCRIPTION sy-vline 
WA_CGTMMOUTSTDGCMT_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_CGTMMOUTSTDGCMT_STR-SPONSOREDCLASSDESCRIPTION sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTEEMGMTVALUETYPE sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTEEMGMTVALUETYPEDESC sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTLIFECYCLESTATUS sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTLIFECYCLESTATUSNAME sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTTYPE sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GRANTCURRENCY sy-vline 
WA_CGTMMOUTSTDGCMT_STR-OPENCMTMTAMOUNTINGRANTCRCY sy-vline 
WA_CGTMMOUTSTDGCMT_STR-COMPANYCODECURRENCY sy-vline 
WA_CGTMMOUTSTDGCMT_STR-OPENCMTMTAMOUNTINCOCODECRCY sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GTEEMBDGTVALIDITYNUMBERSTRTDTE sy-vline 
WA_CGTMMOUTSTDGCMT_STR-GTEEMBDGTVALIDITYNUMBERENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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