ABAP Select data from SAP table JVA_OVERHEAD_PARENT_COMPANY_TS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_OVERHEAD_PARENT_COMPANY_TS
*  INTO TABLE @DATA(IT_JVA_OVERHEAD_PARENT_COMPANY_TS2).
*--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_JVA_OVERHEAD_PARENT_COMPANY_TS INDEX 1 INTO DATA(WA_JVA_OVERHEAD_PARENT_COMPANY_TS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_OVERHEAD_PARENT_COMPANY_TS>-MANDT = 1.
<JVA_OVERHEAD_PARENT_COMPANY_TS>-BUKRS = 1.
<JVA_OVERHEAD_PARENT_COMPANY_TS>-JOA = 1.
<JVA_OVERHEAD_PARENT_COMPANY_TS>-SEQNUM = 1.
<JVA_OVERHEAD_PARENT_COMPANY_TS>-WBSSET = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_OVERHEAD_PARENT_COMPANY_TS-CCSET, sy-vline,
  WA_JVA_OVERHEAD_PARENT_COMPANY_TS-ORDSET, sy-vline,
  WA_JVA_OVERHEAD_PARENT_COMPANY_TS-RULE, sy-vline,
  WA_JVA_OVERHEAD_PARENT_COMPANY_TS-XSET, sy-vline,
  WA_JVA_OVERHEAD_PARENT_COMPANY_TS-NETWSET, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_JVA_OVERHEAD_PARENT_COMPANY_TS 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_JVA_OVERHEAD_PARENT_COMPANY_TS 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_JVA_OVERHEAD_PARENT_COMPANY_TS INTO WA_JVA_OVERHEAD_PARENT_COMPANY_TS.


*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 JOA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_OVERHEAD_PARENT_COMPANY_TS-JOA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_OVERHEAD_PARENT_COMPANY_TS-JOA.
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_JVA_OVERHEAD_PARENT_COMPANY_TS_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
JOA TYPE STRING,
SEQNUM TYPE STRING,
WBSSET TYPE STRING,
CCSET TYPE STRING,
ORDSET TYPE STRING,
RULE TYPE STRING,
XSET TYPE STRING,
NETWSET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_OVERHEAD_PARENT_COMPANY_TS_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_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-MANDT sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-BUKRS sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-JOA sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-SEQNUM sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-WBSSET sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-CCSET sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-ORDSET sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-RULE sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-XSET sy-vline 
WA_JVA_OVERHEAD_PARENT_COMPANY_TS_STR-NETWSET sy-vline      INTO ld_text SEPARATED BY SPACE.

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