ABAP Select data from SAP table THAS_EFF_TEST_OUTPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM THAS_EFF_TEST_OUTPUT
*  INTO TABLE @DATA(IT_THAS_EFF_TEST_OUTPUT2).
*--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_THAS_EFF_TEST_OUTPUT INDEX 1 INTO DATA(WA_THAS_EFF_TEST_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<THAS_EFF_TEST_OUTPUT>-COMP_CODE = 1.
<THAS_EFF_TEST_OUTPUT>-VALUATION_AREA = 1.
<THAS_EFF_TEST_OUTPUT>-DEAL_NR = 1.
<THAS_EFF_TEST_OUTPUT>-HEDGE_ID = 1.
<THAS_EFF_TEST_OUTPUT>-HR_VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_THAS_EFF_TEST_OUTPUT-CALC_TYPE, sy-vline,
  WA_THAS_EFF_TEST_OUTPUT-EFF_TEST_TYPE, sy-vline,
  WA_THAS_EFF_TEST_OUTPUT-EFF_TEST_METHOD, sy-vline,
  WA_THAS_EFF_TEST_OUTPUT-STATUS, sy-vline,
  WA_THAS_EFF_TEST_OUTPUT-CALC_DATE, sy-vline,
  WA_THAS_EFF_TEST_OUTPUT-TEST_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_THAS_EFF_TEST_OUTPUT 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_THAS_EFF_TEST_OUTPUT 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_THAS_EFF_TEST_OUTPUT INTO WA_THAS_EFF_TEST_OUTPUT.


*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 ALPHA, internal->external for field DEAL_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_THAS_EFF_TEST_OUTPUT-DEAL_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THAS_EFF_TEST_OUTPUT-DEAL_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLANNER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_THAS_EFF_TEST_OUTPUT-PLANNER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THAS_EFF_TEST_OUTPUT-PLANNER_ID.
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_THAS_EFF_TEST_OUTPUT_STR, 
COMP_CODE TYPE STRING,
VALUATION_AREA TYPE STRING,
DEAL_NR TYPE STRING,
HEDGE_ID TYPE STRING,
HR_VERSION TYPE STRING,
CALC_TYPE TYPE STRING,
EFF_TEST_TYPE TYPE STRING,
EFF_TEST_METHOD TYPE STRING,
STATUS TYPE STRING,
CALC_DATE TYPE STRING,
TEST_DATE TYPE STRING,
SZENA_FROM TYPE STRING,
SZENA_TO TYPE STRING,
EFF_RATIO TYPE STRING,
F_STATISTIC TYPE STRING,
SLOPE TYPE STRING,
INTERCEPT TYPE STRING,
INTERCEPT_RATIO TYPE STRING,
T_STATISTIC TYPE STRING,
R_SQUARE TYPE STRING,
EFFECTIVE TYPE STRING,
TOTAL_EFFECTIVE TYPE STRING,
DELTA_DERIVATIVE TYPE STRING,
SUM_DELTA_DERIV TYPE STRING,
DELTA_HEDGE TYPE STRING,
SUM_DELTA_HEDGE TYPE STRING,
CURR_DERIVATIVE TYPE STRING,
LOGUUID TYPE STRING,
LOG_ARCHIVED TYPE STRING,
ARCHIVE_NAME TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
SL_NO TYPE STRING,
EFF_TEST_ID TYPE STRING,
EFF_ASSESS_TYPE TYPE STRING,
EFF_RATIO_NUM TYPE STRING,
PLANNER_ID TYPE STRING,
IS_SHORTCUT TYPE STRING,
BUCKET_INDICATOR TYPE STRING,
DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_THAS_EFF_TEST_OUTPUT_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_THAS_EFF_TEST_OUTPUT_STR-COMP_CODE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-VALUATION_AREA sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-DEAL_NR sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-HEDGE_ID sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-HR_VERSION sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-CALC_TYPE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_TEST_TYPE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_TEST_METHOD sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-STATUS sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-CALC_DATE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-TEST_DATE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SZENA_FROM sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SZENA_TO sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_RATIO sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-F_STATISTIC sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SLOPE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-INTERCEPT sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-INTERCEPT_RATIO sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-T_STATISTIC sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-R_SQUARE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFFECTIVE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-TOTAL_EFFECTIVE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-DELTA_DERIVATIVE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SUM_DELTA_DERIV sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-DELTA_HEDGE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SUM_DELTA_HEDGE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-CURR_DERIVATIVE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-LOGUUID sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-LOG_ARCHIVED sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-ARCHIVE_NAME sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGID sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGTY sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGNO sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGV1 sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGV2 sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGV3 sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-MSGV4 sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-SL_NO sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_TEST_ID sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_ASSESS_TYPE sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-EFF_RATIO_NUM sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-PLANNER_ID sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-IS_SHORTCUT sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-BUCKET_INDICATOR sy-vline 
WA_THAS_EFF_TEST_OUTPUT_STR-DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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