ABAP Select data from SAP table ITAGCYAGENCYFI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITAGCYAGENCYFI
*  INTO TABLE @DATA(IT_ITAGCYAGENCYFI2).
*--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_ITAGCYAGENCYFI INDEX 1 INTO DATA(WA_ITAGCYAGENCYFI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITAGCYAGENCYFI>-CLIENT = 1.
<ITAGCYAGENCYFI>-OPBEL = 1.
<ITAGCYAGENCYFI>-OPUPW = 1.
<ITAGCYAGENCYFI>-OPUPK = 1.
<ITAGCYAGENCYFI>-OPUPZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITAGCYAGENCYFI-TIMESTAMP, sy-vline,
  WA_ITAGCYAGENCYFI-PROCESS, sy-vline,
  WA_ITAGCYAGENCYFI-AGENCY, sy-vline,
  WA_ITAGCYAGENCYFI-AGENCYCONTR, sy-vline,
  WA_ITAGCYAGENCYFI-VGPART2, sy-vline,
  WA_ITAGCYAGENCYFI-VTRE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITAGCYAGENCYFI 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_ITAGCYAGENCYFI 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_ITAGCYAGENCYFI INTO WA_ITAGCYAGENCYFI.


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

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

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

*Conversion exit ALPHA, internal->external for field VGPART2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITAGCYAGENCYFI-VGPART2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITAGCYAGENCYFI-VGPART2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTRE2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITAGCYAGENCYFI-VTRE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITAGCYAGENCYFI-VTRE2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field XBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITAGCYAGENCYFI-XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITAGCYAGENCYFI-XBLNR.
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_ITAGCYAGENCYFI_STR, 
CLIENT TYPE STRING,
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
TIMESTAMP TYPE STRING,
PROCESS TYPE STRING,
AGENCY TYPE STRING,
AGENCYCONTR TYPE STRING,
VGPART2 TYPE STRING,
VTRE2 TYPE STRING,
AUGBL TYPE STRING,
WAERS TYPE STRING,
BETRW TYPE STRING,
BLART TYPE STRING,
XBLNR TYPE STRING,
CRNAME TYPE STRING,
STATE_AGFI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITAGCYAGENCYFI_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_ITAGCYAGENCYFI_STR-CLIENT sy-vline 
WA_ITAGCYAGENCYFI_STR-OPBEL sy-vline 
WA_ITAGCYAGENCYFI_STR-OPUPW sy-vline 
WA_ITAGCYAGENCYFI_STR-OPUPK sy-vline 
WA_ITAGCYAGENCYFI_STR-OPUPZ sy-vline 
WA_ITAGCYAGENCYFI_STR-TIMESTAMP sy-vline 
WA_ITAGCYAGENCYFI_STR-PROCESS sy-vline 
WA_ITAGCYAGENCYFI_STR-AGENCY sy-vline 
WA_ITAGCYAGENCYFI_STR-AGENCYCONTR sy-vline 
WA_ITAGCYAGENCYFI_STR-VGPART2 sy-vline 
WA_ITAGCYAGENCYFI_STR-VTRE2 sy-vline 
WA_ITAGCYAGENCYFI_STR-AUGBL sy-vline 
WA_ITAGCYAGENCYFI_STR-WAERS sy-vline 
WA_ITAGCYAGENCYFI_STR-BETRW sy-vline 
WA_ITAGCYAGENCYFI_STR-BLART sy-vline 
WA_ITAGCYAGENCYFI_STR-XBLNR sy-vline 
WA_ITAGCYAGENCYFI_STR-CRNAME sy-vline 
WA_ITAGCYAGENCYFI_STR-STATE_AGFI sy-vline      INTO ld_text SEPARATED BY SPACE.

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