ABAP Select data from SAP table T703J into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T703J 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 T703J. 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 T703J 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_T703J TYPE STANDARD TABLE OF T703J,
      WA_T703J TYPE T703J,
      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: <T703J> TYPE T703J.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T703J.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T703J
  INTO TABLE IT_T703J.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T703J
*  INTO TABLE @DATA(IT_T703J2).
*--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_T703J INDEX 1 INTO DATA(WA_T703J2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T703J ASSIGNING <T703J>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T703J>-MANDT = 1.
<T703J>-MOLGA = 1.
<T703J>-LSTYP = 1.
<T703J>-LGART = 1.
<T703J>-PRFOR = 1.

ENDLOOP.

LOOP AT IT_T703J INTO WA_T703J.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T703J-ENDDA, sy-vline,
  WA_T703J-BEGDA, sy-vline,
  WA_T703J-PISK1, sy-vline,
  WA_T703J-PSOK1, sy-vline,
  WA_T703J-PISS1, sy-vline,
  WA_T703J-PISE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T703J 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_T703J 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_T703J INTO WA_T703J.


*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_T703J_STR, 
MANDT TYPE STRING,
MOLGA TYPE STRING,
LSTYP TYPE STRING,
LGART TYPE STRING,
PRFOR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
PISK1 TYPE STRING,
PSOK1 TYPE STRING,
PISS1 TYPE STRING,
PISE1 TYPE STRING,
PSOS1 TYPE STRING,
PSOE1 TYPE STRING,
PISK2 TYPE STRING,
PSOK2 TYPE STRING,
PISS2 TYPE STRING,
PISE2 TYPE STRING,
PSOS2 TYPE STRING,
PSOE2 TYPE STRING,
PISK3 TYPE STRING,
PSOK3 TYPE STRING,
PISS3 TYPE STRING,
PISE3 TYPE STRING,
PSOS3 TYPE STRING,
PSOE3 TYPE STRING,
PISK4 TYPE STRING,
PSOK4 TYPE STRING,
PISS4 TYPE STRING,
PISE4 TYPE STRING,
PSOS4 TYPE STRING,
PSOE4 TYPE STRING,
PISK5 TYPE STRING,
PSOK5 TYPE STRING,
PISS5 TYPE STRING,
PISE5 TYPE STRING,
PSOS5 TYPE STRING,
PSOE5 TYPE STRING,
PISK6 TYPE STRING,
PSOK6 TYPE STRING,
PISS6 TYPE STRING,
PISE6 TYPE STRING,
PSOS6 TYPE STRING,
PSOE6 TYPE STRING,
GISK1 TYPE STRING,
GSOK1 TYPE STRING,
GISS1 TYPE STRING,
GISE1 TYPE STRING,
GSOS1 TYPE STRING,
GSOE1 TYPE STRING,
GISK2 TYPE STRING,
GSOK2 TYPE STRING,
GISS2 TYPE STRING,
GISE2 TYPE STRING,
GSOS2 TYPE STRING,
GSOE2 TYPE STRING,
GISK3 TYPE STRING,
GSOK3 TYPE STRING,
GISS3 TYPE STRING,
GISE3 TYPE STRING,
GSOS3 TYPE STRING,
GSOE3 TYPE STRING,
GISK4 TYPE STRING,
GSOK4 TYPE STRING,
GISS4 TYPE STRING,
GISE4 TYPE STRING,
GSOS4 TYPE STRING,
GSOE4 TYPE STRING,
GISK5 TYPE STRING,
GSOK5 TYPE STRING,
GISS5 TYPE STRING,
GISE5 TYPE STRING,
GSOS5 TYPE STRING,
GSOE5 TYPE STRING,
GISK6 TYPE STRING,
GSOK6 TYPE STRING,
GISS6 TYPE STRING,
GISE6 TYPE STRING,
GSOS6 TYPE STRING,
GSOE6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T703J_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_T703J_STR-MANDT sy-vline 
WA_T703J_STR-MOLGA sy-vline 
WA_T703J_STR-LSTYP sy-vline 
WA_T703J_STR-LGART sy-vline 
WA_T703J_STR-PRFOR sy-vline 
WA_T703J_STR-ENDDA sy-vline 
WA_T703J_STR-BEGDA sy-vline 
WA_T703J_STR-PISK1 sy-vline 
WA_T703J_STR-PSOK1 sy-vline 
WA_T703J_STR-PISS1 sy-vline 
WA_T703J_STR-PISE1 sy-vline 
WA_T703J_STR-PSOS1 sy-vline 
WA_T703J_STR-PSOE1 sy-vline 
WA_T703J_STR-PISK2 sy-vline 
WA_T703J_STR-PSOK2 sy-vline 
WA_T703J_STR-PISS2 sy-vline 
WA_T703J_STR-PISE2 sy-vline 
WA_T703J_STR-PSOS2 sy-vline 
WA_T703J_STR-PSOE2 sy-vline 
WA_T703J_STR-PISK3 sy-vline 
WA_T703J_STR-PSOK3 sy-vline 
WA_T703J_STR-PISS3 sy-vline 
WA_T703J_STR-PISE3 sy-vline 
WA_T703J_STR-PSOS3 sy-vline 
WA_T703J_STR-PSOE3 sy-vline 
WA_T703J_STR-PISK4 sy-vline 
WA_T703J_STR-PSOK4 sy-vline 
WA_T703J_STR-PISS4 sy-vline 
WA_T703J_STR-PISE4 sy-vline 
WA_T703J_STR-PSOS4 sy-vline 
WA_T703J_STR-PSOE4 sy-vline 
WA_T703J_STR-PISK5 sy-vline 
WA_T703J_STR-PSOK5 sy-vline 
WA_T703J_STR-PISS5 sy-vline 
WA_T703J_STR-PISE5 sy-vline 
WA_T703J_STR-PSOS5 sy-vline 
WA_T703J_STR-PSOE5 sy-vline 
WA_T703J_STR-PISK6 sy-vline 
WA_T703J_STR-PSOK6 sy-vline 
WA_T703J_STR-PISS6 sy-vline 
WA_T703J_STR-PISE6 sy-vline 
WA_T703J_STR-PSOS6 sy-vline 
WA_T703J_STR-PSOE6 sy-vline 
WA_T703J_STR-GISK1 sy-vline 
WA_T703J_STR-GSOK1 sy-vline 
WA_T703J_STR-GISS1 sy-vline 
WA_T703J_STR-GISE1 sy-vline 
WA_T703J_STR-GSOS1 sy-vline 
WA_T703J_STR-GSOE1 sy-vline 
WA_T703J_STR-GISK2 sy-vline 
WA_T703J_STR-GSOK2 sy-vline 
WA_T703J_STR-GISS2 sy-vline 
WA_T703J_STR-GISE2 sy-vline 
WA_T703J_STR-GSOS2 sy-vline 
WA_T703J_STR-GSOE2 sy-vline 
WA_T703J_STR-GISK3 sy-vline 
WA_T703J_STR-GSOK3 sy-vline 
WA_T703J_STR-GISS3 sy-vline 
WA_T703J_STR-GISE3 sy-vline 
WA_T703J_STR-GSOS3 sy-vline 
WA_T703J_STR-GSOE3 sy-vline 
WA_T703J_STR-GISK4 sy-vline 
WA_T703J_STR-GSOK4 sy-vline 
WA_T703J_STR-GISS4 sy-vline 
WA_T703J_STR-GISE4 sy-vline 
WA_T703J_STR-GSOS4 sy-vline 
WA_T703J_STR-GSOE4 sy-vline 
WA_T703J_STR-GISK5 sy-vline 
WA_T703J_STR-GSOK5 sy-vline 
WA_T703J_STR-GISS5 sy-vline 
WA_T703J_STR-GISE5 sy-vline 
WA_T703J_STR-GSOS5 sy-vline 
WA_T703J_STR-GSOE5 sy-vline 
WA_T703J_STR-GISK6 sy-vline 
WA_T703J_STR-GSOK6 sy-vline 
WA_T703J_STR-GISS6 sy-vline 
WA_T703J_STR-GISE6 sy-vline 
WA_T703J_STR-GSOS6 sy-vline 
WA_T703J_STR-GSOE6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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