ABAP Select data from SAP table /SMB/STR_CTX_COA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/STR_CTX_COA
*  INTO TABLE @DATA(IT_/SMB/STR_CTX_COA2).
*--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_/SMB/STR_CTX_COA INDEX 1 INTO DATA(WA_/SMB/STR_CTX_COA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/STR_CTX_COA>-FILENAME = 1.
</SMB/STR_CTX_COA>-VARIANT_ID = 1.
</SMB/STR_CTX_COA>-I_KOKRS = 1.
</SMB/STR_CTX_COA>-I_BEZEI = 1.
</SMB/STR_CTX_COA>-I_CTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/STR_CTX_COA-I_CVACT, sy-vline,
  WA_/SMB/STR_CTX_COA-I_CVPROF, sy-vline,
  WA_/SMB/STR_CTX_COA-I_KOKFI, sy-vline,
  WA_/SMB/STR_CTX_COA-I_KTOPL, sy-vline,
  WA_/SMB/STR_CTX_COA-I_LMONA, sy-vline,
  WA_/SMB/STR_CTX_COA-I_VNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/STR_CTX_COA 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_/SMB/STR_CTX_COA 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_/SMB/STR_CTX_COA INTO WA_/SMB/STR_CTX_COA.


*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_/SMB/STR_CTX_COA_STR, 
FILENAME TYPE STRING,
VARIANT_ID TYPE STRING,
I_KOKRS TYPE STRING,
I_BEZEI TYPE STRING,
I_CTYP TYPE STRING,
I_CVACT TYPE STRING,
I_CVPROF TYPE STRING,
I_KOKFI TYPE STRING,
I_KTOPL TYPE STRING,
I_LMONA TYPE STRING,
I_VNAME TYPE STRING,
I_WAERS TYPE STRING,
I_XWBUK TYPE STRING,
DISPLAY_TEXT TYPE STRING,
AUTH_USE_NO_STD TYPE STRING,
AUTH_USE_ADD1 TYPE STRING,
AUTH_USE_ADD2 TYPE STRING,
AUTH_KE_NO_STD TYPE STRING,
AUTH_KE_USE_ADD1 TYPE STRING,
AUTH_KE_USE_ADD2 TYPE STRING,
NODE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/STR_CTX_COA_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_/SMB/STR_CTX_COA_STR-FILENAME sy-vline 
WA_/SMB/STR_CTX_COA_STR-VARIANT_ID sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_KOKRS sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_BEZEI sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_CTYP sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_CVACT sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_CVPROF sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_KOKFI sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_KTOPL sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_LMONA sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_VNAME sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_WAERS sy-vline 
WA_/SMB/STR_CTX_COA_STR-I_XWBUK sy-vline 
WA_/SMB/STR_CTX_COA_STR-DISPLAY_TEXT sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_USE_NO_STD sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_USE_ADD1 sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_USE_ADD2 sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_KE_NO_STD sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_KE_USE_ADD1 sy-vline 
WA_/SMB/STR_CTX_COA_STR-AUTH_KE_USE_ADD2 sy-vline 
WA_/SMB/STR_CTX_COA_STR-NODE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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