ABAP Select data from SAP table PSLOWMOMATCDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLOWMOMATCDATA
*  INTO TABLE @DATA(IT_PSLOWMOMATCDATA2).
*--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_PSLOWMOMATCDATA INDEX 1 INTO DATA(WA_PSLOWMOMATCDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSLOWMOMATCDATA>-MANDT = 1.
<PSLOWMOMATCDATA>-INVENTORYCONSUMPTIONGROUP = 1.
<PSLOWMOMATCDATA>-CALENDARMONTH = 1.
<PSLOWMOMATCDATA>-MATERIAL = 1.
<PSLOWMOMATCDATA>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSLOWMOMATCDATA-STOCKIDENTIFYINGBATCH, sy-vline,
  WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGSUPPLIER, sy-vline,
  WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGSALESORDER, sy-vline,
  WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGSALESORDERITEM, sy-vline,
  WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGWBSELEMENT, sy-vline,
  WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGCUSTOMER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSLOWMOMATCDATA 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_PSLOWMOMATCDATA 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_PSLOWMOMATCDATA INTO WA_PSLOWMOMATCDATA.


*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_PSLOWMOMATCDATA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLOWMOMATCDATA-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field SPECIALSTOCKIDFGWBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGWBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLOWMOMATCDATA-SPECIALSTOCKIDFGWBSELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSLOWMOMATCDATA-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLOWMOMATCDATA-MATERIALBASEUNIT.
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_PSLOWMOMATCDATA_STR, 
MANDT TYPE STRING,
INVENTORYCONSUMPTIONGROUP TYPE STRING,
CALENDARMONTH TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STOCKIDENTIFYINGBATCH TYPE STRING,
SPECIALSTOCKIDFGSUPPLIER TYPE STRING,
SPECIALSTOCKIDFGSALESORDER TYPE STRING,
SPECIALSTOCKIDFGSALESORDERITEM TYPE STRING,
SPECIALSTOCKIDFGWBSELEMENT TYPE STRING,
SPECIALSTOCKIDFGCUSTOMER TYPE STRING,
SPECIALSTOCKIDFGSTOCKOWNER TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
INVENTORYSTOCKTYPE TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
PRODUCTGROUP TYPE STRING,
PRODUCTTYPE TYPE STRING,
CONSUMPTIONQTYM1 TYPE STRING,
CONSUMPTIONQTYM2 TYPE STRING,
CONSUMPTIONQTYM3 TYPE STRING,
CONSUMPTIONQTYM4 TYPE STRING,
CONSUMPTIONQTYM5 TYPE STRING,
CONSUMPTIONQTYM6 TYPE STRING,
TARGET TYPE STRING,
CONSUMPTIONDELTAM2M1 TYPE STRING,
CONSUMPTIONDELTAM3M2 TYPE STRING,
CONSUMPTIONDELTAM4M3 TYPE STRING,
CONSUMPTIONDELTAM5M4 TYPE STRING,
CONSUMPTIONDELTAM6M5 TYPE STRING,
CONSUMPTIONRATIOM2M1 TYPE STRING,
CONSUMPTIONRATIOM3M2 TYPE STRING,
CONSUMPTIONRATIOM4M3 TYPE STRING,
CONSUMPTIONRATIOM5M4 TYPE STRING,
CONSUMPTIONRATIOM6M5 TYPE STRING,
NUMBEROFBOMM5 TYPE STRING,
NUMBEROFBOMM6 TYPE STRING,
NUMBEROFBOMM7 TYPE STRING,
NUMBEROFBOMM8 TYPE STRING,
NUMBEROFBOMM9 TYPE STRING,
NUMBEROFBOMM10 TYPE STRING,
NUMBEROFBOMDELTAM6M5 TYPE STRING,
NUMBEROFBOMDELTAM7M6 TYPE STRING,
NUMBEROFBOMDELTAM8M7 TYPE STRING,
NUMBEROFBOMDELTAM9M8 TYPE STRING,
NUMBEROFBOMDELTAM10M9 TYPE STRING,
BOMRATIOM6M5 TYPE STRING,
BOMRATIOM7M6 TYPE STRING,
BOMRATIOM8M7 TYPE STRING,
BOMRATIOM9M8 TYPE STRING,
BOMRATIOM10M9 TYPE STRING,
CONSUMPTIONINTERVALM1 TYPE STRING,
CONSUMPTIONINTERVALM2 TYPE STRING,
CONSUMPTIONINTERVALM3 TYPE STRING,
CONSUMPTIONINTERVALM4 TYPE STRING,
CONSUMPTIONINTERVALM5 TYPE STRING,
CONSUMPTIONINTERVALM6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSLOWMOMATCDATA_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_PSLOWMOMATCDATA_STR-MANDT sy-vline 
WA_PSLOWMOMATCDATA_STR-INVENTORYCONSUMPTIONGROUP sy-vline 
WA_PSLOWMOMATCDATA_STR-CALENDARMONTH sy-vline 
WA_PSLOWMOMATCDATA_STR-MATERIAL sy-vline 
WA_PSLOWMOMATCDATA_STR-PLANT sy-vline 
WA_PSLOWMOMATCDATA_STR-STOCKIDENTIFYINGBATCH sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGSUPPLIER sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGSALESORDER sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGSALESORDERITEM sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGWBSELEMENT sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGCUSTOMER sy-vline 
WA_PSLOWMOMATCDATA_STR-SPECIALSTOCKIDFGSTOCKOWNER sy-vline 
WA_PSLOWMOMATCDATA_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_PSLOWMOMATCDATA_STR-INVENTORYSTOCKTYPE sy-vline 
WA_PSLOWMOMATCDATA_STR-MATERIALBASEUNIT sy-vline 
WA_PSLOWMOMATCDATA_STR-PRODUCTGROUP sy-vline 
WA_PSLOWMOMATCDATA_STR-PRODUCTTYPE sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM1 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM2 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM3 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM4 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM5 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONQTYM6 sy-vline 
WA_PSLOWMOMATCDATA_STR-TARGET sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONDELTAM2M1 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONDELTAM3M2 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONDELTAM4M3 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONDELTAM5M4 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONDELTAM6M5 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONRATIOM2M1 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONRATIOM3M2 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONRATIOM4M3 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONRATIOM5M4 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONRATIOM6M5 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM5 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM6 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM7 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM8 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM9 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMM10 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMDELTAM6M5 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMDELTAM7M6 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMDELTAM8M7 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMDELTAM9M8 sy-vline 
WA_PSLOWMOMATCDATA_STR-NUMBEROFBOMDELTAM10M9 sy-vline 
WA_PSLOWMOMATCDATA_STR-BOMRATIOM6M5 sy-vline 
WA_PSLOWMOMATCDATA_STR-BOMRATIOM7M6 sy-vline 
WA_PSLOWMOMATCDATA_STR-BOMRATIOM8M7 sy-vline 
WA_PSLOWMOMATCDATA_STR-BOMRATIOM9M8 sy-vline 
WA_PSLOWMOMATCDATA_STR-BOMRATIOM10M9 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM1 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM2 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM3 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM4 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM5 sy-vline 
WA_PSLOWMOMATCDATA_STR-CONSUMPTIONINTERVALM6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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