ABAP Select data from SAP table LES_SHP_ATP_MAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LES_SHP_ATP_MAT
*  INTO TABLE @DATA(IT_LES_SHP_ATP_MAT2).
*--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_LES_SHP_ATP_MAT INDEX 1 INTO DATA(WA_LES_SHP_ATP_MAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LES_SHP_ATP_MAT>-MATNR = 1.
<LES_SHP_ATP_MAT>-WERK = 1.
<LES_SHP_ATP_MAT>-LGORT = 1.
<LES_SHP_ATP_MAT>-VKORG = 1.
<LES_SHP_ATP_MAT>-VTWEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LES_SHP_ATP_MAT-MTART, sy-vline,
  WA_LES_SHP_ATP_MAT-LADGR, sy-vline,
  WA_LES_SHP_ATP_MAT-TRAGR, sy-vline,
  WA_LES_SHP_ATP_MAT-XCHPF, sy-vline,
  WA_LES_SHP_ATP_MAT-MTVFP, sy-vline,
  WA_LES_SHP_ATP_MAT-APOKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LES_SHP_ATP_MAT 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_LES_SHP_ATP_MAT 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_LES_SHP_ATP_MAT INTO WA_LES_SHP_ATP_MAT.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_LES_SHP_ATP_MAT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LES_SHP_ATP_MAT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRBME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LES_SHP_ATP_MAT-PRBME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LES_SHP_ATP_MAT-PRBME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LES_SHP_ATP_MAT-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LES_SHP_ATP_MAT-KUNNR.
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_LES_SHP_ATP_MAT_STR, 
MATNR TYPE STRING,
WERK TYPE STRING,
LGORT TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
MTART TYPE STRING,
LADGR TYPE STRING,
TRAGR TYPE STRING,
XCHPF TYPE STRING,
MTVFP TYPE STRING,
APOKZ TYPE STRING,
MISKZ TYPE STRING,
DISMM TYPE STRING,
DISST TYPE STRING,
DISGR TYPE STRING,
DISKZ TYPE STRING,
DIBER TYPE STRING,
BESKZ TYPE STRING,
EISBE TYPE STRING,
UMLMC TYPE STRING,
WZEIT TYPE STRING,
DZEIT TYPE STRING,
WEBAZ TYPE STRING,
BEARZ TYPE STRING,
RUEZT TYPE STRING,
TRANZ TYPE STRING,
PLIFZ TYPE STRING,
VRMOD TYPE STRING,
VINT1 TYPE STRING,
VINT2 TYPE STRING,
UMREF TYPE STRING,
PRBME TYPE STRING,
BASMG TYPE STRING,
QMATV TYPE STRING,
CUOBJ TYPE STRING,
KUNNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LES_SHP_ATP_MAT_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_LES_SHP_ATP_MAT_STR-MATNR sy-vline 
WA_LES_SHP_ATP_MAT_STR-WERK sy-vline 
WA_LES_SHP_ATP_MAT_STR-LGORT sy-vline 
WA_LES_SHP_ATP_MAT_STR-VKORG sy-vline 
WA_LES_SHP_ATP_MAT_STR-VTWEG sy-vline 
WA_LES_SHP_ATP_MAT_STR-MTART sy-vline 
WA_LES_SHP_ATP_MAT_STR-LADGR sy-vline 
WA_LES_SHP_ATP_MAT_STR-TRAGR sy-vline 
WA_LES_SHP_ATP_MAT_STR-XCHPF sy-vline 
WA_LES_SHP_ATP_MAT_STR-MTVFP sy-vline 
WA_LES_SHP_ATP_MAT_STR-APOKZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-MISKZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-DISMM sy-vline 
WA_LES_SHP_ATP_MAT_STR-DISST sy-vline 
WA_LES_SHP_ATP_MAT_STR-DISGR sy-vline 
WA_LES_SHP_ATP_MAT_STR-DISKZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-DIBER sy-vline 
WA_LES_SHP_ATP_MAT_STR-BESKZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-EISBE sy-vline 
WA_LES_SHP_ATP_MAT_STR-UMLMC sy-vline 
WA_LES_SHP_ATP_MAT_STR-WZEIT sy-vline 
WA_LES_SHP_ATP_MAT_STR-DZEIT sy-vline 
WA_LES_SHP_ATP_MAT_STR-WEBAZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-BEARZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-RUEZT sy-vline 
WA_LES_SHP_ATP_MAT_STR-TRANZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-PLIFZ sy-vline 
WA_LES_SHP_ATP_MAT_STR-VRMOD sy-vline 
WA_LES_SHP_ATP_MAT_STR-VINT1 sy-vline 
WA_LES_SHP_ATP_MAT_STR-VINT2 sy-vline 
WA_LES_SHP_ATP_MAT_STR-UMREF sy-vline 
WA_LES_SHP_ATP_MAT_STR-PRBME sy-vline 
WA_LES_SHP_ATP_MAT_STR-BASMG sy-vline 
WA_LES_SHP_ATP_MAT_STR-QMATV sy-vline 
WA_LES_SHP_ATP_MAT_STR-CUOBJ sy-vline 
WA_LES_SHP_ATP_MAT_STR-KUNNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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