ABAP Select data from SAP table JVA_CFIN_S_DFV_SEL_CONTENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JVA_CFIN_S_DFV_SEL_CONTENT 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_CFIN_S_DFV_SEL_CONTENT. 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_CFIN_S_DFV_SEL_CONTENT 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_CFIN_S_DFV_SEL_CONTENT TYPE STANDARD TABLE OF JVA_CFIN_S_DFV_SEL_CONTENT,
      WA_JVA_CFIN_S_DFV_SEL_CONTENT TYPE JVA_CFIN_S_DFV_SEL_CONTENT,
      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_CFIN_S_DFV_SEL_CONTENT> TYPE JVA_CFIN_S_DFV_SEL_CONTENT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_CFIN_S_DFV_SEL_CONTENT
*  INTO TABLE @DATA(IT_JVA_CFIN_S_DFV_SEL_CONTENT2).
*--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_CFIN_S_DFV_SEL_CONTENT INDEX 1 INTO DATA(WA_JVA_CFIN_S_DFV_SEL_CONTENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_CFIN_S_DFV_SEL_CONTENT>-LOGSYS = 1.
<JVA_CFIN_S_DFV_SEL_CONTENT>-CONTEXT = 1.
<JVA_CFIN_S_DFV_SEL_CONTENT>-RBUKRS = 1.
<JVA_CFIN_S_DFV_SEL_CONTENT>-RKOKRS = 1.
<JVA_CFIN_S_DFV_SEL_CONTENT>-REFFIDOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_CFIN_S_DFV_SEL_CONTENT-REFCODOC, sy-vline,
  WA_JVA_CFIN_S_DFV_SEL_CONTENT-DOCNR, sy-vline,
  WA_JVA_CFIN_S_DFV_SEL_CONTENT-RYEAR, sy-vline,
  WA_JVA_CFIN_S_DFV_SEL_CONTENT-POPER, sy-vline,
  WA_JVA_CFIN_S_DFV_SEL_CONTENT-BUDAT, sy-vline,
  WA_JVA_CFIN_S_DFV_SEL_CONTENT-CPUDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_CFIN_S_DFV_SEL_CONTENT 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_CFIN_S_DFV_SEL_CONTENT 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_CFIN_S_DFV_SEL_CONTENT INTO WA_JVA_CFIN_S_DFV_SEL_CONTENT.


*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 LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_CFIN_S_DFV_SEL_CONTENT-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_CFIN_S_DFV_SEL_CONTENT-LOGSYS.
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_CFIN_S_DFV_SEL_CONTENT_STR, 
LOGSYS TYPE STRING,
CONTEXT TYPE STRING,
RBUKRS TYPE STRING,
RKOKRS TYPE STRING,
REFFIDOC TYPE STRING,
REFCODOC TYPE STRING,
DOCNR TYPE STRING,
RYEAR TYPE STRING,
POPER TYPE STRING,
BUDAT TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
ACTIV TYPE STRING,
REFACTIV TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
USNAM TYPE STRING,
DOCTY TYPE STRING,
REFDOCCT TYPE STRING,
RJOA TYPE STRING,
VNAME TYPE STRING,
PARTN TYPE STRING,
ABDAT TYPE STRING,
TABNAME TYPE STRING,
EXCL_OBJ TYPE STRING,
ERROR_ONLY TYPE STRING,
VARIANT TYPE STRING,
ET_DEPENDENT_PCO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_CFIN_S_DFV_SEL_CONTENT_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_CFIN_S_DFV_SEL_CONTENT_STR-LOGSYS sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-CONTEXT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-RBUKRS sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-RKOKRS sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-REFFIDOC sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-REFCODOC sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-DOCNR sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-RYEAR sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-POPER sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-BUDAT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-CPUDT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-CPUTM sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-ACTIV sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-REFACTIV sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-AWTYP sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-AWORG sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-USNAM sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-DOCTY sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-REFDOCCT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-RJOA sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-VNAME sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-PARTN sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-ABDAT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-TABNAME sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-EXCL_OBJ sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-ERROR_ONLY sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-VARIANT sy-vline 
WA_JVA_CFIN_S_DFV_SEL_CONTENT_STR-ET_DEPENDENT_PCO sy-vline      INTO ld_text SEPARATED BY SPACE.

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