ABAP Select data from SAP table TBAS_DCS_MIC_OVERVIEW_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TBAS_DCS_MIC_OVERVIEW_UI
*  INTO TABLE @DATA(IT_TBAS_DCS_MIC_OVERVIEW_UI2).
*--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_TBAS_DCS_MIC_OVERVIEW_UI INDEX 1 INTO DATA(WA_TBAS_DCS_MIC_OVERVIEW_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TBAS_DCS_MIC_OVERVIEW_UI>-DCSID = 1.
<TBAS_DCS_MIC_OVERVIEW_UI>-DCSID_TXT = 1.
<TBAS_DCS_MIC_OVERVIEW_UI>-VALIDFROM = 1.
<TBAS_DCS_MIC_OVERVIEW_UI>-DERIVATIVETYPE = 1.
<TBAS_DCS_MIC_OVERVIEW_UI>-LIFECYCLESTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_URL, sy-vline,
  WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_QNT, sy-vline,
  WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_UOM, sy-vline,
  WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_CPE_UOM, sy-vline,
  WA_TBAS_DCS_MIC_OVERVIEW_UI-QUOT_UOM, sy-vline,
  WA_TBAS_DCS_MIC_OVERVIEW_UI-QUOT_CURRUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TBAS_DCS_MIC_OVERVIEW_UI 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_TBAS_DCS_MIC_OVERVIEW_UI 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_TBAS_DCS_MIC_OVERVIEW_UI INTO WA_TBAS_DCS_MIC_OVERVIEW_UI.


*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 CUNIT, internal->external for field DCS_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DCS_CPE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_CPE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TBAS_DCS_MIC_OVERVIEW_UI-DCS_CPE_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUOT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TBAS_DCS_MIC_OVERVIEW_UI-QUOT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TBAS_DCS_MIC_OVERVIEW_UI-QUOT_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PHYSCOMM_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TBAS_DCS_MIC_OVERVIEW_UI-PHYSCOMM_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TBAS_DCS_MIC_OVERVIEW_UI-PHYSCOMM_UOM.
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_TBAS_DCS_MIC_OVERVIEW_UI_STR, 
DCSID TYPE STRING,
DCSID_TXT TYPE STRING,
VALIDFROM TYPE STRING,
DERIVATIVETYPE TYPE STRING,
LIFECYCLESTATUS TYPE STRING,
DCS_URL TYPE STRING,
DCS_QNT TYPE STRING,
DCS_UOM TYPE STRING,
DCS_CPE_UOM TYPE STRING,
QUOT_UOM TYPE STRING,
QUOT_CURRUNIT TYPE STRING,
QUOT_CURR TYPE STRING,
QUOT_DECIMALS TYPE STRING,
COMMODITY TYPE STRING,
DCSSYMBL TYPE STRING,
CALENDAR TYPE STRING,
PDEF_ID TYPE STRING,
EXPDATELOGIC TYPE STRING,
REPDATELOGIC TYPE STRING,
SDEF_ID TYPE STRING,
UNDERLYING_DCSID TYPE STRING,
OPTSTYLE TYPE STRING,
RETENTION_TIME TYPE STRING,
PUBLICATION_CALENDAR TYPE STRING,
TIMING TYPE STRING,
PRICETYPE TYPE STRING,
OPTTYP TYPE STRING,
FLT_PRC TYPE STRING,
COMMON_PRICING TYPE STRING,
PDEF_ID_TXT TYPE STRING,
SDEF_ID_TXT TYPE STRING,
COMMODITY_TXT TYPE STRING,
ENTERED_BY TYPE STRING,
ENTERED_DATE TYPE STRING,
ENTERED_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_DATE TYPE STRING,
CHANGED_TIME TYPE STRING,
PHYSCOMM_UOM TYPE STRING,
MIC TYPE STRING,
MIC_TXT TYPE STRING,
DCS_TICK_AMNT TYPE STRING,
DCS_TICK_CURRUNIT TYPE STRING,
DCS_TICK_VALUE TYPE STRING,
DCS_TICK_CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TBAS_DCS_MIC_OVERVIEW_UI_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_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCSID sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCSID_TXT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-VALIDFROM sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DERIVATIVETYPE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-LIFECYCLESTATUS sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_URL sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_QNT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_UOM sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_CPE_UOM sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-QUOT_UOM sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-QUOT_CURRUNIT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-QUOT_CURR sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-QUOT_DECIMALS sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-COMMODITY sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCSSYMBL sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-CALENDAR sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-PDEF_ID sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-EXPDATELOGIC sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-REPDATELOGIC sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-SDEF_ID sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-UNDERLYING_DCSID sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-OPTSTYLE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-RETENTION_TIME sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-PUBLICATION_CALENDAR sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-TIMING sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-PRICETYPE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-OPTTYP sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-FLT_PRC sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-COMMON_PRICING sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-PDEF_ID_TXT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-SDEF_ID_TXT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-COMMODITY_TXT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-ENTERED_BY sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-ENTERED_DATE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-ENTERED_TIME sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-CHANGED_BY sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-CHANGED_DATE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-CHANGED_TIME sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-PHYSCOMM_UOM sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-MIC sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-MIC_TXT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_TICK_AMNT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_TICK_CURRUNIT sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_TICK_VALUE sy-vline 
WA_TBAS_DCS_MIC_OVERVIEW_UI_STR-DCS_TICK_CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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