ABAP Select data from SAP table PMATSTRLOCSTKQTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMATSTRLOCSTKQTY
*  INTO TABLE @DATA(IT_PMATSTRLOCSTKQTY2).
*--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_PMATSTRLOCSTKQTY INDEX 1 INTO DATA(WA_PMATSTRLOCSTKQTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMATSTRLOCSTKQTY>-MANDT = 1.
<PMATSTRLOCSTKQTY>-MATERIAL = 1.
<PMATSTRLOCSTKQTY>-PLANT = 1.
<PMATSTRLOCSTKQTY>-STORAGELOCATION = 1.
<PMATSTRLOCSTKQTY>-UNRESTRINCTEDSTOCK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMATSTRLOCSTKQTY-QUALITYINSPECTIONSTOCK, sy-vline,
  WA_PMATSTRLOCSTKQTY-STOCKINTRSFERRPLANT, sy-vline,
  WA_PMATSTRLOCSTKQTY-STOCKINTRSFERRSTGELOC, sy-vline,
  WA_PMATSTRLOCSTKQTY-RESTRICKTEDUSERSTOCK, sy-vline,
  WA_PMATSTRLOCSTKQTY-BLOCKEDSTOCK, sy-vline,
  WA_PMATSTRLOCSTKQTY-SALESUNRESTRICTEDSTOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMATSTRLOCSTKQTY 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_PMATSTRLOCSTKQTY 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_PMATSTRLOCSTKQTY INTO WA_PMATSTRLOCSTKQTY.


*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_PMATSTRLOCSTKQTY-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMATSTRLOCSTKQTY-MATERIAL.
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_PMATSTRLOCSTKQTY_STR, 
MANDT TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
UNRESTRINCTEDSTOCK TYPE STRING,
QUALITYINSPECTIONSTOCK TYPE STRING,
STOCKINTRSFERRPLANT TYPE STRING,
STOCKINTRSFERRSTGELOC TYPE STRING,
RESTRICKTEDUSERSTOCK TYPE STRING,
BLOCKEDSTOCK TYPE STRING,
SALESUNRESTRICTEDSTOCK TYPE STRING,
SALESQUALITYINSPECTIONSTOCK TYPE STRING,
SALESSTOCKINTRSFERRPLANT TYPE STRING,
SALESSTOCKINTRSFERRSTGELOC TYPE STRING,
SALESRESTRICKTEDUSERSTOCK TYPE STRING,
SALESBLOCKEDSTOCK TYPE STRING,
WBSUNRESTRICTEDSTOCK TYPE STRING,
WBSQUALITYINSPECTIONSTOCK TYPE STRING,
WBSSTOCKINTRSFERRPLANT TYPE STRING,
WBSSTOCKINTRSFERRSTGELOC TYPE STRING,
WBSRESTRICKTEDUSERSTOCK TYPE STRING,
WBSBLOCKEDSTOCK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMATSTRLOCSTKQTY_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_PMATSTRLOCSTKQTY_STR-MANDT sy-vline 
WA_PMATSTRLOCSTKQTY_STR-MATERIAL sy-vline 
WA_PMATSTRLOCSTKQTY_STR-PLANT sy-vline 
WA_PMATSTRLOCSTKQTY_STR-STORAGELOCATION sy-vline 
WA_PMATSTRLOCSTKQTY_STR-UNRESTRINCTEDSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-QUALITYINSPECTIONSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-STOCKINTRSFERRPLANT sy-vline 
WA_PMATSTRLOCSTKQTY_STR-STOCKINTRSFERRSTGELOC sy-vline 
WA_PMATSTRLOCSTKQTY_STR-RESTRICKTEDUSERSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-BLOCKEDSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESUNRESTRICTEDSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESQUALITYINSPECTIONSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESSTOCKINTRSFERRPLANT sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESSTOCKINTRSFERRSTGELOC sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESRESTRICKTEDUSERSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-SALESBLOCKEDSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSUNRESTRICTEDSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSQUALITYINSPECTIONSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSSTOCKINTRSFERRPLANT sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSSTOCKINTRSFERRSTGELOC sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSRESTRICKTEDUSERSTOCK sy-vline 
WA_PMATSTRLOCSTKQTY_STR-WBSBLOCKEDSTOCK sy-vline      INTO ld_text SEPARATED BY SPACE.

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