ABAP Select data from SAP table PSLOWMOMATSOFLT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLOWMOMATSOFLT
*  INTO TABLE @DATA(IT_PSLOWMOMATSOFLT2).
*--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_PSLOWMOMATSOFLT INDEX 1 INTO DATA(WA_PSLOWMOMATSOFLT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSLOWMOMATSOFLT-STOCKQTYM1, sy-vline,
  WA_PSLOWMOMATSOFLT-STOCKQTYM2, sy-vline,
  WA_PSLOWMOMATSOFLT-STOCKQTYM3, sy-vline,
  WA_PSLOWMOMATSOFLT-STOCKQTYM4, sy-vline,
  WA_PSLOWMOMATSOFLT-STOCKQTYM5, sy-vline,
  WA_PSLOWMOMATSOFLT-STOCKQTYM6, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSLOWMOMATSOFLT 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_PSLOWMOMATSOFLT 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_PSLOWMOMATSOFLT INTO WA_PSLOWMOMATSOFLT.


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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSLOWMOMATSOFLT-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLOWMOMATSOFLT-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_PSLOWMOMATSOFLT_STR, 
MANDT TYPE STRING,
CALENDARMONTH TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
STOCKQTYM1 TYPE STRING,
STOCKQTYM2 TYPE STRING,
STOCKQTYM3 TYPE STRING,
STOCKQTYM4 TYPE STRING,
STOCKQTYM5 TYPE STRING,
STOCKQTYM6 TYPE STRING,
STOCKQTYM7 TYPE STRING,
STOCKDELTAM2M1 TYPE STRING,
STOCKDELTAM3M2 TYPE STRING,
STOCKDELTAM4M3 TYPE STRING,
STOCKDELTAM5M4 TYPE STRING,
STOCKDELTAM6M5 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,END OF T_EKKO_STR.
DATA: WA_PSLOWMOMATSOFLT_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_PSLOWMOMATSOFLT_STR-MANDT sy-vline 
WA_PSLOWMOMATSOFLT_STR-CALENDARMONTH sy-vline 
WA_PSLOWMOMATSOFLT_STR-MATERIAL sy-vline 
WA_PSLOWMOMATSOFLT_STR-PLANT sy-vline 
WA_PSLOWMOMATSOFLT_STR-MATERIALBASEUNIT sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM1 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM2 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM3 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM4 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM5 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM6 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKQTYM7 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKDELTAM2M1 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKDELTAM3M2 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKDELTAM4M3 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKDELTAM5M4 sy-vline 
WA_PSLOWMOMATSOFLT_STR-STOCKDELTAM6M5 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM5 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM6 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM7 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM8 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM9 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMM10 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMDELTAM6M5 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMDELTAM7M6 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMDELTAM8M7 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMDELTAM9M8 sy-vline 
WA_PSLOWMOMATSOFLT_STR-NUMBEROFBOMDELTAM10M9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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