ABAP Select data from SAP table TCACS_S_OTC25_OD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TCACS_S_OTC25_OD 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 TCACS_S_OTC25_OD. 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 TCACS_S_OTC25_OD 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_TCACS_S_OTC25_OD TYPE STANDARD TABLE OF TCACS_S_OTC25_OD,
      WA_TCACS_S_OTC25_OD TYPE TCACS_S_OTC25_OD,
      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: <TCACS_S_OTC25_OD> TYPE TCACS_S_OTC25_OD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TCACS_S_OTC25_OD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TCACS_S_OTC25_OD
  INTO TABLE IT_TCACS_S_OTC25_OD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TCACS_S_OTC25_OD
*  INTO TABLE @DATA(IT_TCACS_S_OTC25_OD2).
*--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_TCACS_S_OTC25_OD INDEX 1 INTO DATA(WA_TCACS_S_OTC25_OD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TCACS_S_OTC25_OD ASSIGNING <TCACS_S_OTC25_OD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TCACS_S_OTC25_OD>-MANDT = 1.
<TCACS_S_OTC25_OD>-APPL = 1.
<TCACS_S_OTC25_OD>-OBJ_TYPE = 1.
<TCACS_S_OTC25_OD>-TOOL = 1.
<TCACS_S_OTC25_OD>-OBJ_ID = 1.

ENDLOOP.

LOOP AT IT_TCACS_S_OTC25_OD INTO WA_TCACS_S_OTC25_OD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TCACS_S_OTC25_OD-VERSION, sy-vline,
  WA_TCACS_S_OTC25_OD-SESBPER, sy-vline,
  WA_TCACS_S_OTC25_OD-SESBPNO, sy-vline,
  WA_TCACS_S_OTC25_OD-SESHORI, sy-vline,
  WA_TCACS_S_OTC25_OD-SESRDAS, sy-vline,
  WA_TCACS_S_OTC25_OD-SESHBDF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TCACS_S_OTC25_OD 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_TCACS_S_OTC25_OD 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_TCACS_S_OTC25_OD INTO WA_TCACS_S_OTC25_OD.


*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 TSTPS, internal->external for field BUSI_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_TCACS_S_OTC25_OD-BUSI_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCACS_S_OTC25_OD-BUSI_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BUSI_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_TCACS_S_OTC25_OD-BUSI_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCACS_S_OTC25_OD-BUSI_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECH_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_TCACS_S_OTC25_OD-TECH_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCACS_S_OTC25_OD-TECH_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECH_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_TCACS_S_OTC25_OD-TECH_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCACS_S_OTC25_OD-TECH_END.
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_TCACS_S_OTC25_OD_STR, 
MANDT TYPE STRING,
APPL TYPE STRING,
OBJ_TYPE TYPE STRING,
TOOL TYPE STRING,
OBJ_ID TYPE STRING,
VERSION TYPE STRING,
SESBPER TYPE STRING,
SESBPNO TYPE STRING,
SESHORI TYPE STRING,
SESRDAS TYPE STRING,
SESHBDF TYPE STRING,
SESHEDF TYPE STRING,
SESCAL TYPE STRING,
SESDDT TYPE STRING,
SESMETH TYPE STRING,
SESCONS TYPE STRING,
SESCNCRD TYPE STRING,
SESCRERD TYPE STRING,
BUSI_BEGIN TYPE STRING,
BUSI_END TYPE STRING,
TECH_BEGIN TYPE STRING,
TECH_END TYPE STRING,
FLG_CANCEL_OBJ TYPE STRING,
FLG_CANCEL_VERS TYPE STRING,
CHG_TCODE TYPE STRING,
CHG_USR TYPE STRING,
TRI_METH_TYP TYPE STRING,
TRI_METH_TARGET TYPE STRING,
STATUS_VERSION TYPE STRING,
STATUS_WORK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TCACS_S_OTC25_OD_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_TCACS_S_OTC25_OD_STR-MANDT sy-vline 
WA_TCACS_S_OTC25_OD_STR-APPL sy-vline 
WA_TCACS_S_OTC25_OD_STR-OBJ_TYPE sy-vline 
WA_TCACS_S_OTC25_OD_STR-TOOL sy-vline 
WA_TCACS_S_OTC25_OD_STR-OBJ_ID sy-vline 
WA_TCACS_S_OTC25_OD_STR-VERSION sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESBPER sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESBPNO sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESHORI sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESRDAS sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESHBDF sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESHEDF sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESCAL sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESDDT sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESMETH sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESCONS sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESCNCRD sy-vline 
WA_TCACS_S_OTC25_OD_STR-SESCRERD sy-vline 
WA_TCACS_S_OTC25_OD_STR-BUSI_BEGIN sy-vline 
WA_TCACS_S_OTC25_OD_STR-BUSI_END sy-vline 
WA_TCACS_S_OTC25_OD_STR-TECH_BEGIN sy-vline 
WA_TCACS_S_OTC25_OD_STR-TECH_END sy-vline 
WA_TCACS_S_OTC25_OD_STR-FLG_CANCEL_OBJ sy-vline 
WA_TCACS_S_OTC25_OD_STR-FLG_CANCEL_VERS sy-vline 
WA_TCACS_S_OTC25_OD_STR-CHG_TCODE sy-vline 
WA_TCACS_S_OTC25_OD_STR-CHG_USR sy-vline 
WA_TCACS_S_OTC25_OD_STR-TRI_METH_TYP sy-vline 
WA_TCACS_S_OTC25_OD_STR-TRI_METH_TARGET sy-vline 
WA_TCACS_S_OTC25_OD_STR-STATUS_VERSION sy-vline 
WA_TCACS_S_OTC25_OD_STR-STATUS_WORK sy-vline      INTO ld_text SEPARATED BY SPACE.

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