ABAP Select data from SAP table FPAYH_REC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPAYH_REC
*  INTO TABLE @DATA(IT_FPAYH_REC2).
*--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_FPAYH_REC INDEX 1 INTO DATA(WA_FPAYH_REC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPAYH_REC>-GPA1T = 1.
<FPAYH_REC>-GPA1R = 1.
<FPAYH_REC>-ZADNR = 1.
<FPAYH_REC>-ZANRE = 1.
<FPAYH_REC>-ZNME1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPAYH_REC-ZNME2, sy-vline,
  WA_FPAYH_REC-ZNME3, sy-vline,
  WA_FPAYH_REC-ZNME4, sy-vline,
  WA_FPAYH_REC-ZSPRA, sy-vline,
  WA_FPAYH_REC-ZLAND, sy-vline,
  WA_FPAYH_REC-ZREGI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPAYH_REC 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_FPAYH_REC 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_FPAYH_REC INTO WA_FPAYH_REC.


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

*Conversion exit ISOLA, internal->external for field ZSPRA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FPAYH_REC-ZSPRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPAYH_REC-ZSPRA.
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_FPAYH_REC_STR, 
GPA1T TYPE STRING,
GPA1R TYPE STRING,
ZADNR TYPE STRING,
ZANRE TYPE STRING,
ZNME1 TYPE STRING,
ZNME2 TYPE STRING,
ZNME3 TYPE STRING,
ZNME4 TYPE STRING,
ZSPRA TYPE STRING,
ZLAND TYPE STRING,
ZREGI TYPE STRING,
ZORT1 TYPE STRING,
ZORT2 TYPE STRING,
ZPFOR TYPE STRING,
ZPSTL TYPE STRING,
ZPST2 TYPE STRING,
ZPST3 TYPE STRING,
ZPFAC TYPE STRING,
ZSTRA TYPE STRING,
ZTEL1 TYPE STRING,
ZTEL2 TYPE STRING,
ZFAX1 TYPE STRING,
ZFAX2 TYPE STRING,
ZTELX TYPE STRING,
STCD1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPAYH_REC_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_FPAYH_REC_STR-GPA1T sy-vline 
WA_FPAYH_REC_STR-GPA1R sy-vline 
WA_FPAYH_REC_STR-ZADNR sy-vline 
WA_FPAYH_REC_STR-ZANRE sy-vline 
WA_FPAYH_REC_STR-ZNME1 sy-vline 
WA_FPAYH_REC_STR-ZNME2 sy-vline 
WA_FPAYH_REC_STR-ZNME3 sy-vline 
WA_FPAYH_REC_STR-ZNME4 sy-vline 
WA_FPAYH_REC_STR-ZSPRA sy-vline 
WA_FPAYH_REC_STR-ZLAND sy-vline 
WA_FPAYH_REC_STR-ZREGI sy-vline 
WA_FPAYH_REC_STR-ZORT1 sy-vline 
WA_FPAYH_REC_STR-ZORT2 sy-vline 
WA_FPAYH_REC_STR-ZPFOR sy-vline 
WA_FPAYH_REC_STR-ZPSTL sy-vline 
WA_FPAYH_REC_STR-ZPST2 sy-vline 
WA_FPAYH_REC_STR-ZPST3 sy-vline 
WA_FPAYH_REC_STR-ZPFAC sy-vline 
WA_FPAYH_REC_STR-ZSTRA sy-vline 
WA_FPAYH_REC_STR-ZTEL1 sy-vline 
WA_FPAYH_REC_STR-ZTEL2 sy-vline 
WA_FPAYH_REC_STR-ZFAX1 sy-vline 
WA_FPAYH_REC_STR-ZFAX2 sy-vline 
WA_FPAYH_REC_STR-ZTELX sy-vline 
WA_FPAYH_REC_STR-STCD1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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