ABAP Select data from SAP table T8JOHS_CONDT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T8JOHS_CONDT 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 T8JOHS_CONDT. 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 T8JOHS_CONDT 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_T8JOHS_CONDT TYPE STANDARD TABLE OF T8JOHS_CONDT,
      WA_T8JOHS_CONDT TYPE T8JOHS_CONDT,
      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: <T8JOHS_CONDT> TYPE T8JOHS_CONDT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T8JOHS_CONDT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T8JOHS_CONDT
  INTO TABLE IT_T8JOHS_CONDT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T8JOHS_CONDT
*  INTO TABLE @DATA(IT_T8JOHS_CONDT2).
*--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_T8JOHS_CONDT INDEX 1 INTO DATA(WA_T8JOHS_CONDT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T8JOHS_CONDT ASSIGNING <T8JOHS_CONDT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T8JOHS_CONDT>-BASE_CONDT_KEY = 1.
<T8JOHS_CONDT>-BASE_CONDT_NAME = 1.
<T8JOHS_CONDT>-USE_SETS_FOR_CO = 1.
<T8JOHS_CONDT>-USE_KEYS_FOR_CO = 1.
<T8JOHS_CONDT>-TIME_FRAME = 1.

ENDLOOP.

LOOP AT IT_T8JOHS_CONDT INTO WA_T8JOHS_CONDT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T8JOHS_CONDT-AMT_IS_BILLABLE, sy-vline,
  WA_T8JOHS_CONDT-AMT_IS_NONBILL, sy-vline,
  WA_T8JOHS_CONDT-JV_IS_OPERATED, sy-vline,
  WA_T8JOHS_CONDT-JV_IS_NONOP, sy-vline,
  WA_T8JOHS_CONDT-JV_IS_NOP_ONBILL, sy-vline,
  WA_T8JOHS_CONDT-JV_IS_OP_W_TAX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T8JOHS_CONDT 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_T8JOHS_CONDT 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_T8JOHS_CONDT INTO WA_T8JOHS_CONDT.


*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_T8JOHS_CONDT_STR, 
BASE_CONDT_KEY TYPE STRING,
BASE_CONDT_NAME TYPE STRING,
USE_SETS_FOR_CO TYPE STRING,
USE_KEYS_FOR_CO TYPE STRING,
TIME_FRAME TYPE STRING,
AMT_IS_BILLABLE TYPE STRING,
AMT_IS_NONBILL TYPE STRING,
JV_IS_OPERATED TYPE STRING,
JV_IS_NONOP TYPE STRING,
JV_IS_NOP_ONBILL TYPE STRING,
JV_IS_OP_W_TAX TYPE STRING,
JV_IS_CORPORATE TYPE STRING,
IN_DISPLAY_MODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T8JOHS_CONDT_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_T8JOHS_CONDT_STR-BASE_CONDT_KEY sy-vline 
WA_T8JOHS_CONDT_STR-BASE_CONDT_NAME sy-vline 
WA_T8JOHS_CONDT_STR-USE_SETS_FOR_CO sy-vline 
WA_T8JOHS_CONDT_STR-USE_KEYS_FOR_CO sy-vline 
WA_T8JOHS_CONDT_STR-TIME_FRAME sy-vline 
WA_T8JOHS_CONDT_STR-AMT_IS_BILLABLE sy-vline 
WA_T8JOHS_CONDT_STR-AMT_IS_NONBILL sy-vline 
WA_T8JOHS_CONDT_STR-JV_IS_OPERATED sy-vline 
WA_T8JOHS_CONDT_STR-JV_IS_NONOP sy-vline 
WA_T8JOHS_CONDT_STR-JV_IS_NOP_ONBILL sy-vline 
WA_T8JOHS_CONDT_STR-JV_IS_OP_W_TAX sy-vline 
WA_T8JOHS_CONDT_STR-JV_IS_CORPORATE sy-vline 
WA_T8JOHS_CONDT_STR-IN_DISPLAY_MODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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