ABAP Select data from SAP table SCMPRDMATLOTSZ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCMPRDMATLOTSZ
*  INTO TABLE @DATA(IT_SCMPRDMATLOTSZ2).
*--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_SCMPRDMATLOTSZ INDEX 1 INTO DATA(WA_SCMPRDMATLOTSZ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCMPRDMATLOTSZ>-MANDT = 1.
<SCMPRDMATLOTSZ>-LSZID = 1.
<SCMPRDMATLOTSZ>-INCLUDE_PROF = 1.
<SCMPRDMATLOTSZ>-LSZKY = 1.
<SCMPRDMATLOTSZ>-LSZTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCMPRDMATLOTSZ-SL_LSZ_RANGE, sy-vline,
  WA_SCMPRDMATLOTSZ-BSTFE, sy-vline,
  WA_SCMPRDMATLOTSZ-BSTMI, sy-vline,
  WA_SCMPRDMATLOTSZ-BSTMA, sy-vline,
  WA_SCMPRDMATLOTSZ-BSTRF, sy-vline,
  WA_SCMPRDMATLOTSZ-AUSSS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCMPRDMATLOTSZ 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_SCMPRDMATLOTSZ 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_SCMPRDMATLOTSZ INTO WA_SCMPRDMATLOTSZ.


*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 CUNIT, internal->external for field LSUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SCMPRDMATLOTSZ-LSUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SCMPRDMATLOTSZ-LSUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field SVTTY
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_SCMPRDMATLOTSZ-SVTTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SCMPRDMATLOTSZ-SVTTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field REORD_DUR
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_SCMPRDMATLOTSZ-REORD_DUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SCMPRDMATLOTSZ-REORD_DUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field TARGET_DUR
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_SCMPRDMATLOTSZ-TARGET_DUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SCMPRDMATLOTSZ-TARGET_DUR.
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_SCMPRDMATLOTSZ_STR, 
MANDT TYPE STRING,
LSZID TYPE STRING,
INCLUDE_PROF TYPE STRING,
LSZKY TYPE STRING,
LSZTX TYPE STRING,
SL_LSZ_RANGE TYPE STRING,
BSTFE TYPE STRING,
BSTMI TYPE STRING,
BSTMA TYPE STRING,
BSTRF TYPE STRING,
AUSSS TYPE STRING,
RDPRF TYPE STRING,
LSUOM TYPE STRING,
LGKND TYPE STRING,
LASTL TYPE STRING,
UNTKZ TYPE STRING,
SVTTY TYPE STRING,
REORD_DUR TYPE STRING,
TARGET_DUR TYPE STRING,
REORD_METHOD TYPE STRING,
TARGET_METHOD TYPE STRING,
PERVR TYPE STRING,
PER_AMOUNT TYPE STRING,
TSTRID TYPE STRING,
REQ_COVER_FLAG TYPE STRING,
REQ_COVER_TYPE TYPE STRING,
PERIOD_FACTOR_TDS TYPE STRING,
SNPLOTSTRAT TYPE STRING,
SNPLOTBEG TYPE STRING,
SL_LSZ_EXACT TYPE STRING,
SL_LSZ_FIXED TYPE STRING,
SL_LSZ_PERI TYPE STRING,
SL_LSZ_REORD TYPE STRING,
CATGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCMPRDMATLOTSZ_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_SCMPRDMATLOTSZ_STR-MANDT sy-vline 
WA_SCMPRDMATLOTSZ_STR-LSZID sy-vline 
WA_SCMPRDMATLOTSZ_STR-INCLUDE_PROF sy-vline 
WA_SCMPRDMATLOTSZ_STR-LSZKY sy-vline 
WA_SCMPRDMATLOTSZ_STR-LSZTX sy-vline 
WA_SCMPRDMATLOTSZ_STR-SL_LSZ_RANGE sy-vline 
WA_SCMPRDMATLOTSZ_STR-BSTFE sy-vline 
WA_SCMPRDMATLOTSZ_STR-BSTMI sy-vline 
WA_SCMPRDMATLOTSZ_STR-BSTMA sy-vline 
WA_SCMPRDMATLOTSZ_STR-BSTRF sy-vline 
WA_SCMPRDMATLOTSZ_STR-AUSSS sy-vline 
WA_SCMPRDMATLOTSZ_STR-RDPRF sy-vline 
WA_SCMPRDMATLOTSZ_STR-LSUOM sy-vline 
WA_SCMPRDMATLOTSZ_STR-LGKND sy-vline 
WA_SCMPRDMATLOTSZ_STR-LASTL sy-vline 
WA_SCMPRDMATLOTSZ_STR-UNTKZ sy-vline 
WA_SCMPRDMATLOTSZ_STR-SVTTY sy-vline 
WA_SCMPRDMATLOTSZ_STR-REORD_DUR sy-vline 
WA_SCMPRDMATLOTSZ_STR-TARGET_DUR sy-vline 
WA_SCMPRDMATLOTSZ_STR-REORD_METHOD sy-vline 
WA_SCMPRDMATLOTSZ_STR-TARGET_METHOD sy-vline 
WA_SCMPRDMATLOTSZ_STR-PERVR sy-vline 
WA_SCMPRDMATLOTSZ_STR-PER_AMOUNT sy-vline 
WA_SCMPRDMATLOTSZ_STR-TSTRID sy-vline 
WA_SCMPRDMATLOTSZ_STR-REQ_COVER_FLAG sy-vline 
WA_SCMPRDMATLOTSZ_STR-REQ_COVER_TYPE sy-vline 
WA_SCMPRDMATLOTSZ_STR-PERIOD_FACTOR_TDS sy-vline 
WA_SCMPRDMATLOTSZ_STR-SNPLOTSTRAT sy-vline 
WA_SCMPRDMATLOTSZ_STR-SNPLOTBEG sy-vline 
WA_SCMPRDMATLOTSZ_STR-SL_LSZ_EXACT sy-vline 
WA_SCMPRDMATLOTSZ_STR-SL_LSZ_FIXED sy-vline 
WA_SCMPRDMATLOTSZ_STR-SL_LSZ_PERI sy-vline 
WA_SCMPRDMATLOTSZ_STR-SL_LSZ_REORD sy-vline 
WA_SCMPRDMATLOTSZ_STR-CATGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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