ABAP Select data from SAP table V_T703JG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T703JG 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 V_T703JG. 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 V_T703JG 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_V_T703JG TYPE STANDARD TABLE OF V_T703JG,
      WA_V_T703JG TYPE V_T703JG,
      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: <V_T703JG> TYPE V_T703JG.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T703JG.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T703JG
  INTO TABLE IT_V_T703JG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T703JG
*  INTO TABLE @DATA(IT_V_T703JG2).
*--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_V_T703JG INDEX 1 INTO DATA(WA_V_T703JG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T703JG ASSIGNING <V_T703JG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T703JG>-MANDT = 1.
<V_T703JG>-MOLGA = 1.
<V_T703JG>-LSTYP = 1.
<V_T703JG>-LGART = 1.
<V_T703JG>-PRFOR = 1.

ENDLOOP.

LOOP AT IT_V_T703JG INTO WA_V_T703JG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T703JG-ENDDA, sy-vline,
  WA_V_T703JG-BEGDA, sy-vline,
  WA_V_T703JG-GISK1, sy-vline,
  WA_V_T703JG-GSOK1, sy-vline,
  WA_V_T703JG-GISS1, sy-vline,
  WA_V_T703JG-GISE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T703JG 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_V_T703JG 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_V_T703JG INTO WA_V_T703JG.


*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_V_T703JG_STR, 
MANDT TYPE STRING,
MOLGA TYPE STRING,
LSTYP TYPE STRING,
LGART TYPE STRING,
PRFOR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
GISK1 TYPE STRING,
GSOK1 TYPE STRING,
GISS1 TYPE STRING,
GISE1 TYPE STRING,
GIST1 TYPE STRING,
GSOS1 TYPE STRING,
GSOE1 TYPE STRING,
GSOT1 TYPE STRING,
GISK2 TYPE STRING,
GSOK2 TYPE STRING,
GISS2 TYPE STRING,
GISE2 TYPE STRING,
GIST2 TYPE STRING,
GSOS2 TYPE STRING,
GSOE2 TYPE STRING,
GSOT2 TYPE STRING,
GISS3 TYPE STRING,
GISE3 TYPE STRING,
GIST3 TYPE STRING,
GSOS3 TYPE STRING,
GSOE3 TYPE STRING,
GSOT3 TYPE STRING,
GISS4 TYPE STRING,
GISE4 TYPE STRING,
GIST4 TYPE STRING,
GSOS4 TYPE STRING,
GSOE4 TYPE STRING,
GSOT4 TYPE STRING,
GISK5 TYPE STRING,
GSOK5 TYPE STRING,
GISS5 TYPE STRING,
GISE5 TYPE STRING,
GIST5 TYPE STRING,
GSOS5 TYPE STRING,
GSOE5 TYPE STRING,
GSOT5 TYPE STRING,
LSTXT TYPE STRING,
PRTXT TYPE STRING,
LATXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T703JG_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_V_T703JG_STR-MANDT sy-vline 
WA_V_T703JG_STR-MOLGA sy-vline 
WA_V_T703JG_STR-LSTYP sy-vline 
WA_V_T703JG_STR-LGART sy-vline 
WA_V_T703JG_STR-PRFOR sy-vline 
WA_V_T703JG_STR-ENDDA sy-vline 
WA_V_T703JG_STR-BEGDA sy-vline 
WA_V_T703JG_STR-GISK1 sy-vline 
WA_V_T703JG_STR-GSOK1 sy-vline 
WA_V_T703JG_STR-GISS1 sy-vline 
WA_V_T703JG_STR-GISE1 sy-vline 
WA_V_T703JG_STR-GIST1 sy-vline 
WA_V_T703JG_STR-GSOS1 sy-vline 
WA_V_T703JG_STR-GSOE1 sy-vline 
WA_V_T703JG_STR-GSOT1 sy-vline 
WA_V_T703JG_STR-GISK2 sy-vline 
WA_V_T703JG_STR-GSOK2 sy-vline 
WA_V_T703JG_STR-GISS2 sy-vline 
WA_V_T703JG_STR-GISE2 sy-vline 
WA_V_T703JG_STR-GIST2 sy-vline 
WA_V_T703JG_STR-GSOS2 sy-vline 
WA_V_T703JG_STR-GSOE2 sy-vline 
WA_V_T703JG_STR-GSOT2 sy-vline 
WA_V_T703JG_STR-GISS3 sy-vline 
WA_V_T703JG_STR-GISE3 sy-vline 
WA_V_T703JG_STR-GIST3 sy-vline 
WA_V_T703JG_STR-GSOS3 sy-vline 
WA_V_T703JG_STR-GSOE3 sy-vline 
WA_V_T703JG_STR-GSOT3 sy-vline 
WA_V_T703JG_STR-GISS4 sy-vline 
WA_V_T703JG_STR-GISE4 sy-vline 
WA_V_T703JG_STR-GIST4 sy-vline 
WA_V_T703JG_STR-GSOS4 sy-vline 
WA_V_T703JG_STR-GSOE4 sy-vline 
WA_V_T703JG_STR-GSOT4 sy-vline 
WA_V_T703JG_STR-GISK5 sy-vline 
WA_V_T703JG_STR-GSOK5 sy-vline 
WA_V_T703JG_STR-GISS5 sy-vline 
WA_V_T703JG_STR-GISE5 sy-vline 
WA_V_T703JG_STR-GIST5 sy-vline 
WA_V_T703JG_STR-GSOS5 sy-vline 
WA_V_T703JG_STR-GSOE5 sy-vline 
WA_V_T703JG_STR-GSOT5 sy-vline 
WA_V_T703JG_STR-LSTXT sy-vline 
WA_V_T703JG_STR-PRTXT sy-vline 
WA_V_T703JG_STR-LATXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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