ABAP Select data from SAP table FMTXT_S_GENERATOR_IMP_PARAMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMTXT_S_GENERATOR_IMP_PARAMS
*  INTO TABLE @DATA(IT_FMTXT_S_GENERATOR_IMP_PARAMS2).
*--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_FMTXT_S_GENERATOR_IMP_PARAMS INDEX 1 INTO DATA(WA_FMTXT_S_GENERATOR_IMP_PARAMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMTXT_S_GENERATOR_IMP_PARAMS>-FM_AREA = 1.
<FMTXT_S_GENERATOR_IMP_PARAMS>-FISCYEAR = 1.
<FMTXT_S_GENERATOR_IMP_PARAMS>-CEFFYEAR = 1.
<FMTXT_S_GENERATOR_IMP_PARAMS>-BUDCAT = 1.
<FMTXT_S_GENERATOR_IMP_PARAMS>-VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMTXT_S_GENERATOR_IMP_PARAMS-ADDRESS, sy-vline,
  WA_FMTXT_S_GENERATOR_IMP_PARAMS-FUND, sy-vline,
  WA_FMTXT_S_GENERATOR_IMP_PARAMS-FUNDSCTR, sy-vline,
  WA_FMTXT_S_GENERATOR_IMP_PARAMS-CMMTITEM, sy-vline,
  WA_FMTXT_S_GENERATOR_IMP_PARAMS-FUNCAREA, sy-vline,
  WA_FMTXT_S_GENERATOR_IMP_PARAMS-GRANT_NBR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMTXT_S_GENERATOR_IMP_PARAMS 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_FMTXT_S_GENERATOR_IMP_PARAMS 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_FMTXT_S_GENERATOR_IMP_PARAMS INTO WA_FMTXT_S_GENERATOR_IMP_PARAMS.


*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 GJAHR, internal->external for field FISCYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMTXT_S_GENERATOR_IMP_PARAMS-FISCYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMTXT_S_GENERATOR_IMP_PARAMS-FISCYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CEFFYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMTXT_S_GENERATOR_IMP_PARAMS-CEFFYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMTXT_S_GENERATOR_IMP_PARAMS-CEFFYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit FMCIL, internal->external for field CMMTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMTXT_S_GENERATOR_IMP_PARAMS-CMMTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMTXT_S_GENERATOR_IMP_PARAMS-CMMTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMTXT_S_GENERATOR_IMP_PARAMS-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMTXT_S_GENERATOR_IMP_PARAMS-GRANT_NBR.
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_FMTXT_S_GENERATOR_IMP_PARAMS_STR, 
FM_AREA TYPE STRING,
FISCYEAR TYPE STRING,
CEFFYEAR TYPE STRING,
BUDCAT TYPE STRING,
VERSION TYPE STRING,
ADDRESS TYPE STRING,
FUND TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
USERDIM TYPE STRING,
BUDGET_PD TYPE STRING,
BUDTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMTXT_S_GENERATOR_IMP_PARAMS_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_FMTXT_S_GENERATOR_IMP_PARAMS_STR-FM_AREA sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-FISCYEAR sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-CEFFYEAR sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-BUDCAT sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-VERSION sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-ADDRESS sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-FUND sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-FUNDSCTR sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-CMMTITEM sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-FUNCAREA sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-GRANT_NBR sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-MEASURE sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-USERDIM sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-BUDGET_PD sy-vline 
WA_FMTXT_S_GENERATOR_IMP_PARAMS_STR-BUDTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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