ABAP Select data from SAP table /ACCGO/CAS_S_APPQ_SEL_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAS_S_APPQ_SEL_DATA 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 /ACCGO/CAS_S_APPQ_SEL_DATA. 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 /ACCGO/CAS_S_APPQ_SEL_DATA 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_/ACCGO/CAS_S_APPQ_SEL_DATA TYPE STANDARD TABLE OF /ACCGO/CAS_S_APPQ_SEL_DATA,
      WA_/ACCGO/CAS_S_APPQ_SEL_DATA TYPE /ACCGO/CAS_S_APPQ_SEL_DATA,
      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: </ACCGO/CAS_S_APPQ_SEL_DATA> TYPE /ACCGO/CAS_S_APPQ_SEL_DATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAS_S_APPQ_SEL_DATA
  INTO TABLE IT_/ACCGO/CAS_S_APPQ_SEL_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_APPQ_SEL_DATA
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_APPQ_SEL_DATA2).
*--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_/ACCGO/CAS_S_APPQ_SEL_DATA INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_APPQ_SEL_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAS_S_APPQ_SEL_DATA ASSIGNING </ACCGO/CAS_S_APPQ_SEL_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_APPQ_SEL_DATA>-SETTL_DOC = 1.
</ACCGO/CAS_S_APPQ_SEL_DATA>-SETTL_YR = 1.
</ACCGO/CAS_S_APPQ_SEL_DATA>-DDATE = 1.
</ACCGO/CAS_S_APPQ_SEL_DATA>-SY_STATUS = 1.
</ACCGO/CAS_S_APPQ_SEL_DATA>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAS_S_APPQ_SEL_DATA INTO WA_/ACCGO/CAS_S_APPQ_SEL_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_APPQ_SEL_DATA-WERKS, sy-vline,
  WA_/ACCGO/CAS_S_APPQ_SEL_DATA-VBELN_OR_SALES, sy-vline,
  WA_/ACCGO/CAS_S_APPQ_SEL_DATA-VBELN_OR_PURCH, sy-vline,
  WA_/ACCGO/CAS_S_APPQ_SEL_DATA-VBELN_IN, sy-vline,
  WA_/ACCGO/CAS_S_APPQ_SEL_DATA-VBELN_OUT, sy-vline,
  WA_/ACCGO/CAS_S_APPQ_SEL_DATA-APPLDOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_APPQ_SEL_DATA 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_/ACCGO/CAS_S_APPQ_SEL_DATA 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_/ACCGO/CAS_S_APPQ_SEL_DATA INTO WA_/ACCGO/CAS_S_APPQ_SEL_DATA.


*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_/ACCGO/CAS_S_APPQ_SEL_DATA_STR, 
SETTL_DOC TYPE STRING,
SETTL_YR TYPE STRING,
DDATE TYPE STRING,
SY_STATUS TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
VBELN_OR_SALES TYPE STRING,
VBELN_OR_PURCH TYPE STRING,
VBELN_IN TYPE STRING,
VBELN_OUT TYPE STRING,
APPLDOC TYPE STRING,
TKNUM TYPE STRING,
SHTYP TYPE STRING,
VSBED TYPE STRING,
TPLST TYPE STRING,
TDLNR TYPE STRING,
ROUTE TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
MATNR TYPE STRING,
MATGRP TYPE STRING,
GROUP_ID TYPE STRING,
GROUP_YR TYPE STRING,
GROUP_GUID TYPE STRING,
INVOICE_DOC TYPE STRING,
INVOICE_DOC_YR TYPE STRING,
STORAGE_AGREEMENT_CONTRACT TYPE STRING,
BILLING_DOC TYPE STRING,
SIDE TYPE STRING,
SCENARIO TYPE STRING,
DEF_HOLD TYPE STRING,
INV_HOLD TYPE STRING,
SELECTION_CRITERIA TYPE STRING,
DPQS_EVALUATE TYPE STRING,
FEE_EVALUATE TYPE STRING,
/ACCGO/STL_CREATED_BY TYPE STRING,
/ACCGO/STL_CREATED_DT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_APPQ_SEL_DATA_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_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SETTL_DOC sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SETTL_YR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-DDATE sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SY_STATUS sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-BUKRS sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-WERKS sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-VBELN_OR_SALES sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-VBELN_OR_PURCH sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-VBELN_IN sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-VBELN_OUT sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-APPLDOC sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-TKNUM sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SHTYP sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-VSBED sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-TPLST sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-TDLNR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-ROUTE sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-LIFNR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-KUNNR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-MATNR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-MATGRP sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-GROUP_ID sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-GROUP_YR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-GROUP_GUID sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-INVOICE_DOC sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-INVOICE_DOC_YR sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-STORAGE_AGREEMENT_CONTRACT sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-BILLING_DOC sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SIDE sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SCENARIO sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-DEF_HOLD sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-INV_HOLD sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-SELECTION_CRITERIA sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-DPQS_EVALUATE sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-FEE_EVALUATE sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-/ACCGO/STL_CREATED_BY sy-vline 
WA_/ACCGO/CAS_S_APPQ_SEL_DATA_STR-/ACCGO/STL_CREATED_DT sy-vline      INTO ld_text SEPARATED BY SPACE.

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