ABAP Select data from SAP table T350 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T350 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 T350. 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 T350 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_T350 TYPE STANDARD TABLE OF T350,
      WA_T350 TYPE T350,
      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: <T350> TYPE T350.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T350.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T350
  INTO TABLE IT_T350.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T350
*  INTO TABLE @DATA(IT_T3502).
*--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_T350 INDEX 1 INTO DATA(WA_T3502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T350 ASSIGNING <T350>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T350>-MANDT = 1.
<T350>-AUART = 1.
<T350>-ILART = 1.
<T350>-PROUE = 1.
<T350>-PARGR = 1.

ENDLOOP.

LOOP AT IT_T350 INTO WA_T350.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T350-PLKNZ, sy-vline,
  WA_T350-SDAUART, sy-vline,
  WA_T350-SERVICE, sy-vline,
  WA_T350-INFO_WIND, sy-vline,
  WA_T350-PARVW, sy-vline,
  WA_T350-AVZP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T350 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_T350 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_T350 INTO WA_T350.


*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 AUART, internal->external for field SDAUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_T350-SDAUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T350-SDAUART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_T350-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T350-PARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW_VERA
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_T350-PARVW_VERA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T350-PARVW_VERA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW_PAGE
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_T350-PARVW_PAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T350-PARVW_PAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW_OPER
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_T350-PARVW_OPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T350-PARVW_OPER.
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_T350_STR, 
MANDT TYPE STRING,
AUART TYPE STRING,
ILART TYPE STRING,
PROUE TYPE STRING,
PARGR TYPE STRING,
PLKNZ TYPE STRING,
SDAUART TYPE STRING,
SERVICE TYPE STRING,
INFO_WIND TYPE STRING,
PARVW TYPE STRING,
AVZP TYPE STRING,
ARTPR TYPE STRING,
PARVW_VERA TYPE STRING,
BELAST TYPE STRING,
ABRV TYPE STRING,
BEZZT_ORD TYPE STRING,
IMZS TYPE STRING,
INSCREEN TYPE STRING,
NOTDAT TYPE STRING,
QMART TYPE STRING,
RSORD TYPE STRING,
IVPRO TYPE STRING,
IMORD TYPE STRING,
TDOBJECT TYPE STRING,
TDNAME TYPE STRING,
TDID TYPE STRING,
FFPRF TYPE STRING,
CMCHECK_SM TYPE STRING,
CMGRA TYPE STRING,
PARVW_PAGE TYPE STRING,
DFREG_SUBO TYPE STRING,
PARVW_OPER TYPE STRING,
EXTERN_SCHEDULE TYPE STRING,
EXTENDED_OL TYPE STRING,
LNGTXT TYPE STRING,
RSUPG TYPE STRING,
EAMS_NO_UC TYPE STRING,
EAMS_IME_ACTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T350_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_T350_STR-MANDT sy-vline 
WA_T350_STR-AUART sy-vline 
WA_T350_STR-ILART sy-vline 
WA_T350_STR-PROUE sy-vline 
WA_T350_STR-PARGR sy-vline 
WA_T350_STR-PLKNZ sy-vline 
WA_T350_STR-SDAUART sy-vline 
WA_T350_STR-SERVICE sy-vline 
WA_T350_STR-INFO_WIND sy-vline 
WA_T350_STR-PARVW sy-vline 
WA_T350_STR-AVZP sy-vline 
WA_T350_STR-ARTPR sy-vline 
WA_T350_STR-PARVW_VERA sy-vline 
WA_T350_STR-BELAST sy-vline 
WA_T350_STR-ABRV sy-vline 
WA_T350_STR-BEZZT_ORD sy-vline 
WA_T350_STR-IMZS sy-vline 
WA_T350_STR-INSCREEN sy-vline 
WA_T350_STR-NOTDAT sy-vline 
WA_T350_STR-QMART sy-vline 
WA_T350_STR-RSORD sy-vline 
WA_T350_STR-IVPRO sy-vline 
WA_T350_STR-IMORD sy-vline 
WA_T350_STR-TDOBJECT sy-vline 
WA_T350_STR-TDNAME sy-vline 
WA_T350_STR-TDID sy-vline 
WA_T350_STR-FFPRF sy-vline 
WA_T350_STR-CMCHECK_SM sy-vline 
WA_T350_STR-CMGRA sy-vline 
WA_T350_STR-PARVW_PAGE sy-vline 
WA_T350_STR-DFREG_SUBO sy-vline 
WA_T350_STR-PARVW_OPER sy-vline 
WA_T350_STR-EXTERN_SCHEDULE sy-vline 
WA_T350_STR-EXTENDED_OL sy-vline 
WA_T350_STR-LNGTXT sy-vline 
WA_T350_STR-RSUPG sy-vline 
WA_T350_STR-EAMS_NO_UC sy-vline 
WA_T350_STR-EAMS_IME_ACTIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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