ABAP Select data from SAP table GFDDBCONFIGRATON into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GFDDBCONFIGRATON
*  INTO TABLE @DATA(IT_GFDDBCONFIGRATON2).
*--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_GFDDBCONFIGRATON INDEX 1 INTO DATA(WA_GFDDBCONFIGRATON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GFDDBCONFIGRATON>-MANDT = 1.
<GFDDBCONFIGRATON>-CONTEXT_ID = 1.
<GFDDBCONFIGRATON>-VISIBILITY = 1.
<GFDDBCONFIGRATON>-NAME = 1.
<GFDDBCONFIGRATON>-FORM_ID_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GFDDBCONFIGRATON-FM_CREATE, sy-vline,
  WA_GFDDBCONFIGRATON-FM_UPDATE, sy-vline,
  WA_GFDDBCONFIGRATON-FM_DELETE, sy-vline,
  WA_GFDDBCONFIGRATON-FM_READ, sy-vline,
  WA_GFDDBCONFIGRATON-TABLE_METADATA, sy-vline,
  WA_GFDDBCONFIGRATON-FORM_SUBMISSION_ID_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GFDDBCONFIGRATON 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_GFDDBCONFIGRATON 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_GFDDBCONFIGRATON INTO WA_GFDDBCONFIGRATON.


*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 TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_GFDDBCONFIGRATON-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GFDDBCONFIGRATON-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_GFDDBCONFIGRATON-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GFDDBCONFIGRATON-CHANGED_AT.
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_GFDDBCONFIGRATON_STR, 
MANDT TYPE STRING,
CONTEXT_ID TYPE STRING,
VISIBILITY TYPE STRING,
NAME TYPE STRING,
FORM_ID_TYPE TYPE STRING,
FM_CREATE TYPE STRING,
FM_UPDATE TYPE STRING,
FM_DELETE TYPE STRING,
FM_READ TYPE STRING,
TABLE_METADATA TYPE STRING,
FORM_SUBMISSION_ID_TYPE TYPE STRING,
FORM_SUBMISSION_ID_FIELD TYPE STRING,
FORM_SUBMISSION_ID_MAP TYPE STRING,
CUSTOM_DATA_TYPE TYPE STRING,
UI_SECTION_REQUIRED TYPE STRING,
UI_GROUP_REQUIRED TYPE STRING,
FORM_TYPE TYPE STRING,
DEFAULT_DOC_TYPE TYPE STRING,
DOC_STORAGE_CAT TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GFDDBCONFIGRATON_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_GFDDBCONFIGRATON_STR-MANDT sy-vline 
WA_GFDDBCONFIGRATON_STR-CONTEXT_ID sy-vline 
WA_GFDDBCONFIGRATON_STR-VISIBILITY sy-vline 
WA_GFDDBCONFIGRATON_STR-NAME sy-vline 
WA_GFDDBCONFIGRATON_STR-FORM_ID_TYPE sy-vline 
WA_GFDDBCONFIGRATON_STR-FM_CREATE sy-vline 
WA_GFDDBCONFIGRATON_STR-FM_UPDATE sy-vline 
WA_GFDDBCONFIGRATON_STR-FM_DELETE sy-vline 
WA_GFDDBCONFIGRATON_STR-FM_READ sy-vline 
WA_GFDDBCONFIGRATON_STR-TABLE_METADATA sy-vline 
WA_GFDDBCONFIGRATON_STR-FORM_SUBMISSION_ID_TYPE sy-vline 
WA_GFDDBCONFIGRATON_STR-FORM_SUBMISSION_ID_FIELD sy-vline 
WA_GFDDBCONFIGRATON_STR-FORM_SUBMISSION_ID_MAP sy-vline 
WA_GFDDBCONFIGRATON_STR-CUSTOM_DATA_TYPE sy-vline 
WA_GFDDBCONFIGRATON_STR-UI_SECTION_REQUIRED sy-vline 
WA_GFDDBCONFIGRATON_STR-UI_GROUP_REQUIRED sy-vline 
WA_GFDDBCONFIGRATON_STR-FORM_TYPE sy-vline 
WA_GFDDBCONFIGRATON_STR-DEFAULT_DOC_TYPE sy-vline 
WA_GFDDBCONFIGRATON_STR-DOC_STORAGE_CAT sy-vline 
WA_GFDDBCONFIGRATON_STR-CREATED_AT sy-vline 
WA_GFDDBCONFIGRATON_STR-CREATED_BY sy-vline 
WA_GFDDBCONFIGRATON_STR-CHANGED_AT sy-vline 
WA_GFDDBCONFIGRATON_STR-CHANGED_BY sy-vline      INTO ld_text SEPARATED BY SPACE.

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