ABAP Select data from SAP table FCOMS_JOINT_VENTURE_WD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOMS_JOINT_VENTURE_WD
*  INTO TABLE @DATA(IT_FCOMS_JOINT_VENTURE_WD2).
*--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_FCOMS_JOINT_VENTURE_WD INDEX 1 INTO DATA(WA_FCOMS_JOINT_VENTURE_WD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOMS_JOINT_VENTURE_WD>-BUKRS = 1.
<FCOMS_JOINT_VENTURE_WD>-GSBER = 1.
<FCOMS_JOINT_VENTURE_WD>-KOKRS = 1.
<FCOMS_JOINT_VENTURE_WD>-PRCTR = 1.
<FCOMS_JOINT_VENTURE_WD>-PKOKR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOMS_JOINT_VENTURE_WD-PGSBR, sy-vline,
  WA_FCOMS_JOINT_VENTURE_WD-PBUKR, sy-vline,
  WA_FCOMS_JOINT_VENTURE_WD-VBUKR, sy-vline,
  WA_FCOMS_JOINT_VENTURE_WD-VGSBR, sy-vline,
  WA_FCOMS_JOINT_VENTURE_WD-VKOKR, sy-vline,
  WA_FCOMS_JOINT_VENTURE_WD-OBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOMS_JOINT_VENTURE_WD 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_FCOMS_JOINT_VENTURE_WD 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_FCOMS_JOINT_VENTURE_WD INTO WA_FCOMS_JOINT_VENTURE_WD.


*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 PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOMS_JOINT_VENTURE_WD-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOMS_JOINT_VENTURE_WD-PRCTR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field JV_OTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOMS_JOINT_VENTURE_WD-JV_OTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOMS_JOINT_VENTURE_WD-JV_OTYPE.
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_FCOMS_JOINT_VENTURE_WD_STR, 
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
PRCTR TYPE STRING,
PKOKR TYPE STRING,
PGSBR TYPE STRING,
PBUKR TYPE STRING,
VBUKR TYPE STRING,
VGSBR TYPE STRING,
VKOKR TYPE STRING,
OBJNR TYPE STRING,
KSTAR TYPE STRING,
VNAME TYPE STRING,
RECID TYPE STRING,
ETYPE TYPE STRING,
OTYPE TYPE STRING,
JIBCL TYPE STRING,
JIBSA TYPE STRING,
JV_OTYPE TYPE STRING,
JV_JIBCL TYPE STRING,
JV_JIBSA TYPE STRING,
JV_OCO TYPE STRING,
AUTYP TYPE STRING,
VNAME_TXT TYPE STRING,
RECID_TXT TYPE STRING,
ETYPE_TXT TYPE STRING,
JV_JIBCL_TXT TYPE STRING,
JV_JIBSA_TXT TYPE STRING,
OTYPE_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOMS_JOINT_VENTURE_WD_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_FCOMS_JOINT_VENTURE_WD_STR-BUKRS sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-GSBER sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-KOKRS sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-PRCTR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-PKOKR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-PGSBR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-PBUKR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-VBUKR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-VGSBR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-VKOKR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-OBJNR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-KSTAR sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-VNAME sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-RECID sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-ETYPE sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-OTYPE sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JIBCL sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JIBSA sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_OTYPE sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_JIBCL sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_JIBSA sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_OCO sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-AUTYP sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-VNAME_TXT sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-RECID_TXT sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-ETYPE_TXT sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_JIBCL_TXT sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-JV_JIBSA_TXT sy-vline 
WA_FCOMS_JOINT_VENTURE_WD_STR-OTYPE_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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