ABAP Select data from SAP table SCOL_DYN_BO_ND_ASSO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCOL_DYN_BO_ND_ASSO
*  INTO TABLE @DATA(IT_SCOL_DYN_BO_ND_ASSO2).
*--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_SCOL_DYN_BO_ND_ASSO INDEX 1 INTO DATA(WA_SCOL_DYN_BO_ND_ASSO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCOL_DYN_BO_ND_ASSO>-BO_NAME = 1.
<SCOL_DYN_BO_ND_ASSO>-NODE_NAME = 1.
<SCOL_DYN_BO_ND_ASSO>-ASSOCIATION_NAME = 1.
<SCOL_DYN_BO_ND_ASSO>-TGT_BO_NAME = 1.
<SCOL_DYN_BO_ND_ASSO>-TGT_BO_NSPACE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCOL_DYN_BO_ND_ASSO-TGT_NODE_NAME, sy-vline,
  WA_SCOL_DYN_BO_ND_ASSO-TGT_NODE_NSPACE, sy-vline,
  WA_SCOL_DYN_BO_ND_ASSO-TARGET_NODE, sy-vline,
  WA_SCOL_DYN_BO_ND_ASSO-FOREIGN_KEY, sy-vline,
  WA_SCOL_DYN_BO_ND_ASSO-FK_FIELD_PATH, sy-vline,
  WA_SCOL_DYN_BO_ND_ASSO-FK_ESR_FLD_PATH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCOL_DYN_BO_ND_ASSO 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_SCOL_DYN_BO_ND_ASSO 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_SCOL_DYN_BO_ND_ASSO INTO WA_SCOL_DYN_BO_ND_ASSO.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_SCOL_DYN_BO_ND_ASSO_STR, 
BO_NAME TYPE STRING,
NODE_NAME TYPE STRING,
ASSOCIATION_NAME TYPE STRING,
TGT_BO_NAME TYPE STRING,
TGT_BO_NSPACE TYPE STRING,
TGT_NODE_NAME TYPE STRING,
TGT_NODE_NSPACE TYPE STRING,
TARGET_NODE TYPE STRING,
FOREIGN_KEY TYPE STRING,
FK_FIELD_PATH TYPE STRING,
FK_ESR_FLD_PATH TYPE STRING,
CARDINALITY TYPE STRING,
CLASSIFICATION TYPE STRING,
CREATE_ALLOWED TYPE STRING,
PROVIDER TYPE STRING,
ESR_NAME TYPE STRING,
ESR_NAMESPACE TYPE STRING,
AUTHOR TYPE STRING,
CREATEDON TYPE STRING,
CREATEDON_TIME TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDON TYPE STRING,
CHANGEDON_TIME TYPE STRING,
DESCRIPTION TYPE STRING,
FLG_RETRIEV_FORKEY TYPE STRING,
FLG_RETRIEV_IMPL TYPE STRING,
FLG_RETRIEV_RETR TYPE STRING,
FLG_RETRIEV_QUERY TYPE STRING,
FLG_IMPL_SOURCE TYPE STRING,
FLG_IMPL_TARGET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCOL_DYN_BO_ND_ASSO_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_SCOL_DYN_BO_ND_ASSO_STR-BO_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-NODE_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-ASSOCIATION_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-TGT_BO_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-TGT_BO_NSPACE sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-TGT_NODE_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-TGT_NODE_NSPACE sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-TARGET_NODE sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FOREIGN_KEY sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FK_FIELD_PATH sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FK_ESR_FLD_PATH sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CARDINALITY sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CLASSIFICATION sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CREATE_ALLOWED sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-PROVIDER sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-ESR_NAME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-ESR_NAMESPACE sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-AUTHOR sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CREATEDON sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CREATEDON_TIME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CHANGEDBY sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CHANGEDON sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-CHANGEDON_TIME sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-DESCRIPTION sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_RETRIEV_FORKEY sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_RETRIEV_IMPL sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_RETRIEV_RETR sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_RETRIEV_QUERY sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_IMPL_SOURCE sy-vline 
WA_SCOL_DYN_BO_ND_ASSO_STR-FLG_IMPL_TARGET sy-vline      INTO ld_text SEPARATED BY SPACE.

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