ABAP Select data from SAP table PELEDATAWNETQTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PELEDATAWNETQTY
*  INTO TABLE @DATA(IT_PELEDATAWNETQTY2).
*--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_PELEDATAWNETQTY INDEX 1 INTO DATA(WA_PELEDATAWNETQTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PELEDATAWNETQTY>-MANDT = 1.
<PELEDATAWNETQTY>-PRICINGKEY = 1.
<PELEDATAWNETQTY>-VERSION = 1.
<PELEDATAWNETQTY>-PRICINGDOCUMENTITEM = 1.
<PELEDATAWNETQTY>-CONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PELEDATAWNETQTY-SUBCONDITIONTYPE, sy-vline,
  WA_PELEDATAWNETQTY-COMPANYCODE, sy-vline,
  WA_PELEDATAWNETQTY-MATERIAL, sy-vline,
  WA_PELEDATAWNETQTY-PHYSICALCOMMODITY, sy-vline,
  WA_PELEDATAWNETQTY-PLANT, sy-vline,
  WA_PELEDATAWNETQTY-STORAGELOCATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PELEDATAWNETQTY 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_PELEDATAWNETQTY 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_PELEDATAWNETQTY INTO WA_PELEDATAWNETQTY.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PELEDATAWNETQTY-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PELEDATAWNETQTY-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PELEDATAWNETQTY-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PELEDATAWNETQTY-PROFITCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COMMODITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PELEDATAWNETQTY-COMMODITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PELEDATAWNETQTY-COMMODITYUNIT.
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_PELEDATAWNETQTY_STR, 
MANDT TYPE STRING,
PRICINGKEY TYPE STRING,
VERSION TYPE STRING,
PRICINGDOCUMENTITEM TYPE STRING,
CONDITIONTYPE TYPE STRING,
SUBCONDITIONTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIAL TYPE STRING,
PHYSICALCOMMODITY TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
MTMDATASOURCETYPE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PROFITCENTER TYPE STRING,
BUSINESSAREA TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
MATERIALGROUP TYPE STRING,
STATISTICSCURRENCY TYPE STRING,
CONDITIONTERMRATE TYPE STRING,
DOCTOSTATISTICALEXCHRATE TYPE STRING,
ECONDITIONTERMRATEINDOC TYPE STRING,
MARKETTODOCEXCHRATE TYPE STRING,
CONDITIONTERMRATECURRENCY TYPE STRING,
MTMCONDITIONGROUPCATEGORY TYPE STRING,
MTMCONDITIONGROUP TYPE STRING,
MTMCALCULATIONGROUP TYPE STRING,
BASISID TYPE STRING,
GROSSCOMMODITYQUANTITY TYPE STRING,
COMMODITYUNIT TYPE STRING,
NETCOMMODITYQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PELEDATAWNETQTY_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_PELEDATAWNETQTY_STR-MANDT sy-vline 
WA_PELEDATAWNETQTY_STR-PRICINGKEY sy-vline 
WA_PELEDATAWNETQTY_STR-VERSION sy-vline 
WA_PELEDATAWNETQTY_STR-PRICINGDOCUMENTITEM sy-vline 
WA_PELEDATAWNETQTY_STR-CONDITIONTYPE sy-vline 
WA_PELEDATAWNETQTY_STR-SUBCONDITIONTYPE sy-vline 
WA_PELEDATAWNETQTY_STR-COMPANYCODE sy-vline 
WA_PELEDATAWNETQTY_STR-MATERIAL sy-vline 
WA_PELEDATAWNETQTY_STR-PHYSICALCOMMODITY sy-vline 
WA_PELEDATAWNETQTY_STR-PLANT sy-vline 
WA_PELEDATAWNETQTY_STR-STORAGELOCATION sy-vline 
WA_PELEDATAWNETQTY_STR-BATCH sy-vline 
WA_PELEDATAWNETQTY_STR-MTMDATASOURCETYPE sy-vline 
WA_PELEDATAWNETQTY_STR-DOCUMENTCURRENCY sy-vline 
WA_PELEDATAWNETQTY_STR-PROFITCENTER sy-vline 
WA_PELEDATAWNETQTY_STR-BUSINESSAREA sy-vline 
WA_PELEDATAWNETQTY_STR-PURCHASINGORGANIZATION sy-vline 
WA_PELEDATAWNETQTY_STR-MATERIALGROUP sy-vline 
WA_PELEDATAWNETQTY_STR-STATISTICSCURRENCY sy-vline 
WA_PELEDATAWNETQTY_STR-CONDITIONTERMRATE sy-vline 
WA_PELEDATAWNETQTY_STR-DOCTOSTATISTICALEXCHRATE sy-vline 
WA_PELEDATAWNETQTY_STR-ECONDITIONTERMRATEINDOC sy-vline 
WA_PELEDATAWNETQTY_STR-MARKETTODOCEXCHRATE sy-vline 
WA_PELEDATAWNETQTY_STR-CONDITIONTERMRATECURRENCY sy-vline 
WA_PELEDATAWNETQTY_STR-MTMCONDITIONGROUPCATEGORY sy-vline 
WA_PELEDATAWNETQTY_STR-MTMCONDITIONGROUP sy-vline 
WA_PELEDATAWNETQTY_STR-MTMCALCULATIONGROUP sy-vline 
WA_PELEDATAWNETQTY_STR-BASISID sy-vline 
WA_PELEDATAWNETQTY_STR-GROSSCOMMODITYQUANTITY sy-vline 
WA_PELEDATAWNETQTY_STR-COMMODITYUNIT sy-vline 
WA_PELEDATAWNETQTY_STR-NETCOMMODITYQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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