ABAP Select data from SAP table SCIR_CNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCIR_CNT
*  INTO TABLE @DATA(IT_SCIR_CNT2).
*--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_SCIR_CNT INDEX 1 INTO DATA(WA_SCIR_CNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCIR_CNT>-I01 = 1.
<SCIR_CNT>-I02 = 1.
<SCIR_CNT>-I03 = 1.
<SCIR_CNT>-I04 = 1.
<SCIR_CNT>-I05 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCIR_CNT-I06, sy-vline,
  WA_SCIR_CNT-I07, sy-vline,
  WA_SCIR_CNT-I08, sy-vline,
  WA_SCIR_CNT-I09, sy-vline,
  WA_SCIR_CNT-I10, sy-vline,
  WA_SCIR_CNT-I11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCIR_CNT 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_SCIR_CNT 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_SCIR_CNT INTO WA_SCIR_CNT.


*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_SCIR_CNT_STR, 
I01 TYPE STRING,
I02 TYPE STRING,
I03 TYPE STRING,
I04 TYPE STRING,
I05 TYPE STRING,
I06 TYPE STRING,
I07 TYPE STRING,
I08 TYPE STRING,
I09 TYPE STRING,
I10 TYPE STRING,
I11 TYPE STRING,
I12 TYPE STRING,
I13 TYPE STRING,
I14 TYPE STRING,
I15 TYPE STRING,
I16 TYPE STRING,
I17 TYPE STRING,
I18 TYPE STRING,
I19 TYPE STRING,
I20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCIR_CNT_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_SCIR_CNT_STR-I01 sy-vline 
WA_SCIR_CNT_STR-I02 sy-vline 
WA_SCIR_CNT_STR-I03 sy-vline 
WA_SCIR_CNT_STR-I04 sy-vline 
WA_SCIR_CNT_STR-I05 sy-vline 
WA_SCIR_CNT_STR-I06 sy-vline 
WA_SCIR_CNT_STR-I07 sy-vline 
WA_SCIR_CNT_STR-I08 sy-vline 
WA_SCIR_CNT_STR-I09 sy-vline 
WA_SCIR_CNT_STR-I10 sy-vline 
WA_SCIR_CNT_STR-I11 sy-vline 
WA_SCIR_CNT_STR-I12 sy-vline 
WA_SCIR_CNT_STR-I13 sy-vline 
WA_SCIR_CNT_STR-I14 sy-vline 
WA_SCIR_CNT_STR-I15 sy-vline 
WA_SCIR_CNT_STR-I16 sy-vline 
WA_SCIR_CNT_STR-I17 sy-vline 
WA_SCIR_CNT_STR-I18 sy-vline 
WA_SCIR_CNT_STR-I19 sy-vline 
WA_SCIR_CNT_STR-I20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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