ABAP Select data from SAP table PSLOWMOMATSDATES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLOWMOMATSDATES
*  INTO TABLE @DATA(IT_PSLOWMOMATSDATES2).
*--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_PSLOWMOMATSDATES INDEX 1 INTO DATA(WA_PSLOWMOMATSDATES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSLOWMOMATSDATES>-MANDT = 1.
<PSLOWMOMATSDATES>-STARTDATE = 1.
<PSLOWMOMATSDATES>-MATERIAL = 1.
<PSLOWMOMATSDATES>-PLANT = 1.
<PSLOWMOMATSDATES>-STOCKIDENTIFYINGBATCH = 1.

ENDLOOP.

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

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


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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSLOWMOMATSDATES-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLOWMOMATSDATES-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_PSLOWMOMATSDATES_STR, 
MANDT TYPE STRING,
STARTDATE 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,
STARTDATEM1 TYPE STRING,
STARTDATEM2 TYPE STRING,
STARTDATEM3 TYPE STRING,
STARTDATEM4 TYPE STRING,
STARTDATEM5 TYPE STRING,
STARTDATEM6 TYPE STRING,
STARTDATEM7 TYPE STRING,
STARTDATEM8 TYPE STRING,
STARTDATEM9 TYPE STRING,
STARTDATEM10 TYPE STRING,
ENDDATEM1 TYPE STRING,
ENDDATEM2 TYPE STRING,
ENDDATEM3 TYPE STRING,
ENDDATEM4 TYPE STRING,
ENDDATEM5 TYPE STRING,
ENDDATEM6 TYPE STRING,
ENDDATEM7 TYPE STRING,
ENDDATEM8 TYPE STRING,
ENDDATEM9 TYPE STRING,
ENDDATEM10 TYPE STRING,
STOCKQTYM1 TYPE STRING,
STOCKQTYM2 TYPE STRING,
STOCKQTYM3 TYPE STRING,
STOCKQTYM4 TYPE STRING,
STOCKQTYM5 TYPE STRING,
STOCKQTYM6 TYPE STRING,
STOCKQTYM7 TYPE STRING,
NUMBEROFBOMM5 TYPE STRING,
NUMBEROFBOMM6 TYPE STRING,
NUMBEROFBOMM7 TYPE STRING,
NUMBEROFBOMM8 TYPE STRING,
NUMBEROFBOMM9 TYPE STRING,
NUMBEROFBOMM10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSLOWMOMATSDATES_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_PSLOWMOMATSDATES_STR-MANDT sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATE sy-vline 
WA_PSLOWMOMATSDATES_STR-MATERIAL sy-vline 
WA_PSLOWMOMATSDATES_STR-PLANT sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKIDENTIFYINGBATCH sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGSUPPLIER sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGSALESORDER sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGSALESORDERITEM sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGWBSELEMENT sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGCUSTOMER sy-vline 
WA_PSLOWMOMATSDATES_STR-SPECIALSTOCKIDFGSTOCKOWNER sy-vline 
WA_PSLOWMOMATSDATES_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_PSLOWMOMATSDATES_STR-INVENTORYSTOCKTYPE sy-vline 
WA_PSLOWMOMATSDATES_STR-MATERIALBASEUNIT sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM1 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM2 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM3 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM4 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM5 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM6 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM7 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM8 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM9 sy-vline 
WA_PSLOWMOMATSDATES_STR-STARTDATEM10 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM1 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM2 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM3 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM4 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM5 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM6 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM7 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM8 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM9 sy-vline 
WA_PSLOWMOMATSDATES_STR-ENDDATEM10 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM1 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM2 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM3 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM4 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM5 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM6 sy-vline 
WA_PSLOWMOMATSDATES_STR-STOCKQTYM7 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM5 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM6 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM7 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM8 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM9 sy-vline 
WA_PSLOWMOMATSDATES_STR-NUMBEROFBOMM10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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