ABAP Select data from SAP table AGENCY_FLOW_NODE into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AGENCY_FLOW_NODE
*  INTO TABLE @DATA(IT_AGENCY_FLOW_NODE2).
*--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_AGENCY_FLOW_NODE INDEX 1 INTO DATA(WA_AGENCY_FLOW_NODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AGENCY_FLOW_NODE>-NODE_KEY = 1.
<AGENCY_FLOW_NODE>-RELATKEY = 1.
<AGENCY_FLOW_NODE>-RELATSHIP = 1.
<AGENCY_FLOW_NODE>-HIDDEN = 1.
<AGENCY_FLOW_NODE>-DISABLED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AGENCY_FLOW_NODE-ISFOLDER, sy-vline,
  WA_AGENCY_FLOW_NODE-N_IMAGE, sy-vline,
  WA_AGENCY_FLOW_NODE-EXP_IMAGE, sy-vline,
  WA_AGENCY_FLOW_NODE-STYLE, sy-vline,
  WA_AGENCY_FLOW_NODE-LAST_HITEM, sy-vline,
  WA_AGENCY_FLOW_NODE-NO_BRANCH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AGENCY_FLOW_NODE 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_AGENCY_FLOW_NODE 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_AGENCY_FLOW_NODE INTO WA_AGENCY_FLOW_NODE.


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

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

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

*Conversion exit ALPHA, internal->external for field WBELN_VOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AGENCY_FLOW_NODE-WBELN_VOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AGENCY_FLOW_NODE-WBELN_VOR.
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_AGENCY_FLOW_NODE_STR, 
NODE_KEY TYPE STRING,
RELATKEY TYPE STRING,
RELATSHIP TYPE STRING,
HIDDEN TYPE STRING,
DISABLED TYPE STRING,
ISFOLDER TYPE STRING,
N_IMAGE TYPE STRING,
EXP_IMAGE TYPE STRING,
STYLE TYPE STRING,
LAST_HITEM TYPE STRING,
NO_BRANCH TYPE STRING,
EXPANDER TYPE STRING,
DRAGDROPID TYPE STRING,
TEXT TYPE STRING,
AGENCY TYPE STRING,
WBELN TYPE STRING,
POSNR TYPE STRING,
WDTYP TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
WBELN_VOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AGENCY_FLOW_NODE_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_AGENCY_FLOW_NODE_STR-NODE_KEY sy-vline 
WA_AGENCY_FLOW_NODE_STR-RELATKEY sy-vline 
WA_AGENCY_FLOW_NODE_STR-RELATSHIP sy-vline 
WA_AGENCY_FLOW_NODE_STR-HIDDEN sy-vline 
WA_AGENCY_FLOW_NODE_STR-DISABLED sy-vline 
WA_AGENCY_FLOW_NODE_STR-ISFOLDER sy-vline 
WA_AGENCY_FLOW_NODE_STR-N_IMAGE sy-vline 
WA_AGENCY_FLOW_NODE_STR-EXP_IMAGE sy-vline 
WA_AGENCY_FLOW_NODE_STR-STYLE sy-vline 
WA_AGENCY_FLOW_NODE_STR-LAST_HITEM sy-vline 
WA_AGENCY_FLOW_NODE_STR-NO_BRANCH sy-vline 
WA_AGENCY_FLOW_NODE_STR-EXPANDER sy-vline 
WA_AGENCY_FLOW_NODE_STR-DRAGDROPID sy-vline 
WA_AGENCY_FLOW_NODE_STR-TEXT sy-vline 
WA_AGENCY_FLOW_NODE_STR-AGENCY sy-vline 
WA_AGENCY_FLOW_NODE_STR-WBELN sy-vline 
WA_AGENCY_FLOW_NODE_STR-POSNR sy-vline 
WA_AGENCY_FLOW_NODE_STR-WDTYP sy-vline 
WA_AGENCY_FLOW_NODE_STR-BUKRS sy-vline 
WA_AGENCY_FLOW_NODE_STR-BELNR sy-vline 
WA_AGENCY_FLOW_NODE_STR-GJAHR sy-vline 
WA_AGENCY_FLOW_NODE_STR-WBELN_VOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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