ABAP Select data from SAP table /SAPAPO/MATIO_WH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/MATIO_WH 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 /SAPAPO/MATIO_WH. 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 /SAPAPO/MATIO_WH 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_/SAPAPO/MATIO_WH TYPE STANDARD TABLE OF /SAPAPO/MATIO_WH,
      WA_/SAPAPO/MATIO_WH TYPE /SAPAPO/MATIO_WH,
      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: </SAPAPO/MATIO_WH> TYPE /SAPAPO/MATIO_WH.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/MATIO_WH
  INTO TABLE IT_/SAPAPO/MATIO_WH.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MATIO_WH
*  INTO TABLE @DATA(IT_/SAPAPO/MATIO_WH2).
*--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_/SAPAPO/MATIO_WH INDEX 1 INTO DATA(WA_/SAPAPO/MATIO_WH2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/MATIO_WH ASSIGNING </SAPAPO/MATIO_WH>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MATIO_WH>-MATID = 1.
</SAPAPO/MATIO_WH>-SCUGUID = 1.
</SAPAPO/MATIO_WH>-ENTITLED = 1.
</SAPAPO/MATIO_WH>-PROCPRFL = 1.
</SAPAPO/MATIO_WH>-PTDETIND = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/MATIO_WH INTO WA_/SAPAPO/MATIO_WH.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MATIO_WH-WRKLDGR, sy-vline,
  WA_/SAPAPO/MATIO_WH-RATIODIM, sy-vline,
  WA_/SAPAPO/MATIO_WH-DRDETGR, sy-vline,
  WA_/SAPAPO/MATIO_WH-VASVCP, sy-vline,
  WA_/SAPAPO/MATIO_WH-SHELF_LIFE_REQ_MIN, sy-vline,
  WA_/SAPAPO/MATIO_WH-PUT_STRA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MATIO_WH 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_/SAPAPO/MATIO_WH 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_/SAPAPO/MATIO_WH INTO WA_/SAPAPO/MATIO_WH.


*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 ALPHA, internal->external for field ENTITLED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MATIO_WH-ENTITLED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MATIO_WH-ENTITLED.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTLC, internal->external for field LASTSLOT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MATIO_WH-LASTSLOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MATIO_WH-LASTSLOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PUOM_WH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MATIO_WH-PUOM_WH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MATIO_WH-PUOM_WH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATEUTC
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MATIO_WH-CREATEUTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MATIO_WH-CREATEUTC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGEUTC
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MATIO_WH-CHANGEUTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MATIO_WH-CHANGEUTC.
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_/SAPAPO/MATIO_WH_STR, 
MATID TYPE STRING,
SCUGUID TYPE STRING,
ENTITLED TYPE STRING,
PROCPRFL TYPE STRING,
PTDETIND TYPE STRING,
WRKLDGR TYPE STRING,
RATIODIM TYPE STRING,
DRDETGR TYPE STRING,
VASVCP TYPE STRING,
SHELF_LIFE_REQ_MIN TYPE STRING,
PUT_STRA TYPE STRING,
PUT_STRA_FIX TYPE STRING,
PUT_STRA_PLAN TYPE STRING,
LGBKZ TYPE STRING,
LPTYP TYPE STRING,
BLOCK TYPE STRING,
KZZUL TYPE STRING,
REM_STRA TYPE STRING,
REM_STRA_FIX TYPE STRING,
REM_STRA_PLAN TYPE STRING,
STCKDETGR TYPE STRING,
L2SKR TYPE STRING,
DEMQTY TYPE STRING,
DEMQTY_FIX TYPE STRING,
NOSOI TYPE STRING,
NOSOI_FIX TYPE STRING,
RSQTY TYPE STRING,
RSQTY_FIX TYPE STRING,
DEMTYP TYPE STRING,
CONCSTAT TYPE STRING,
LASTSLOT TYPE STRING,
WGHTIND TYPE STRING,
WGHTIND_FIX TYPE STRING,
VOLIND TYPE STRING,
VOLIND_FIX TYPE STRING,
LGTHIND TYPE STRING,
LGHTIND_FIX TYPE STRING,
WDTHIND TYPE STRING,
WDTHIND_FIX TYPE STRING,
HGHTIND TYPE STRING,
HGHTIND_FIX TYPE STRING,
CCIND TYPE STRING,
CCIND_FIX TYPE STRING,
LGNUM TYPE STRING,
LGNUMT TYPE STRING,
BACKFLUSH_PROD TYPE STRING,
KIT_FIXED_QUAN TYPE STRING,
DOCBATCH TYPE STRING,
MEDI_APROF_WH TYPE STRING,
QUANCLA_MERCH TYPE STRING,
PUOM_WH TYPE STRING,
PRFRQ TYPE STRING,
SSQSS TYPE STRING,
BATCH_REQ_WH TYPE STRING,
QGRP_WH TYPE STRING,
HARSERIAL TYPE STRING,
DUMMY_WH_INCL_EEW_PS TYPE STRING,
CREATEUSER TYPE STRING,
CREATEUTC TYPE STRING,
CHANGEUSER TYPE STRING,
CHANGEUTC TYPE STRING,
PROCPRFLT TYPE STRING,
PTDETINDT TYPE STRING,
WRKLDGRT TYPE STRING,
DRDETGRT TYPE STRING,
BACKFLUSH_PRODT TYPE STRING,
KIT_FIXED_QUANT TYPE STRING,
PUT_STRA_T TYPE STRING,
PUT_STRA_PLAN_T TYPE STRING,
LGBKZT TYPE STRING,
PTYPT TYPE STRING,
BLOCKT TYPE STRING,
REM_STRA_T TYPE STRING,
REM_STRA_PLAN_T TYPE STRING,
STCKDETGRT TYPE STRING,
DEMTYPT TYPE STRING,
CONCSTAT_T TYPE STRING,
ENTITLED_ID TYPE STRING,
ENTITLED_TEXT TYPE STRING,
ENTITY TYPE STRING,
LASTSLOT_T TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MATIO_WH_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_/SAPAPO/MATIO_WH_STR-MATID sy-vline 
WA_/SAPAPO/MATIO_WH_STR-SCUGUID sy-vline 
WA_/SAPAPO/MATIO_WH_STR-ENTITLED sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PROCPRFL sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PTDETIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WRKLDGR sy-vline 
WA_/SAPAPO/MATIO_WH_STR-RATIODIM sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DRDETGR sy-vline 
WA_/SAPAPO/MATIO_WH_STR-VASVCP sy-vline 
WA_/SAPAPO/MATIO_WH_STR-SHELF_LIFE_REQ_MIN sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUT_STRA sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUT_STRA_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUT_STRA_PLAN sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGBKZ sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LPTYP sy-vline 
WA_/SAPAPO/MATIO_WH_STR-BLOCK sy-vline 
WA_/SAPAPO/MATIO_WH_STR-KZZUL sy-vline 
WA_/SAPAPO/MATIO_WH_STR-REM_STRA sy-vline 
WA_/SAPAPO/MATIO_WH_STR-REM_STRA_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-REM_STRA_PLAN sy-vline 
WA_/SAPAPO/MATIO_WH_STR-STCKDETGR sy-vline 
WA_/SAPAPO/MATIO_WH_STR-L2SKR sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DEMQTY sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DEMQTY_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-NOSOI sy-vline 
WA_/SAPAPO/MATIO_WH_STR-NOSOI_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-RSQTY sy-vline 
WA_/SAPAPO/MATIO_WH_STR-RSQTY_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DEMTYP sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CONCSTAT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LASTSLOT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WGHTIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WGHTIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-VOLIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-VOLIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGTHIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGHTIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WDTHIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WDTHIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-HGHTIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-HGHTIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CCIND sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CCIND_FIX sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGNUM sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGNUMT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-BACKFLUSH_PROD sy-vline 
WA_/SAPAPO/MATIO_WH_STR-KIT_FIXED_QUAN sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DOCBATCH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-MEDI_APROF_WH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-QUANCLA_MERCH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUOM_WH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PRFRQ sy-vline 
WA_/SAPAPO/MATIO_WH_STR-SSQSS sy-vline 
WA_/SAPAPO/MATIO_WH_STR-BATCH_REQ_WH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-QGRP_WH sy-vline 
WA_/SAPAPO/MATIO_WH_STR-HARSERIAL sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DUMMY_WH_INCL_EEW_PS sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CREATEUSER sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CREATEUTC sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CHANGEUSER sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CHANGEUTC sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PROCPRFLT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PTDETINDT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-WRKLDGRT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DRDETGRT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-BACKFLUSH_PRODT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-KIT_FIXED_QUANT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUT_STRA_T sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PUT_STRA_PLAN_T sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LGBKZT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-PTYPT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-BLOCKT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-REM_STRA_T sy-vline 
WA_/SAPAPO/MATIO_WH_STR-REM_STRA_PLAN_T sy-vline 
WA_/SAPAPO/MATIO_WH_STR-STCKDETGRT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-DEMTYPT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-CONCSTAT_T sy-vline 
WA_/SAPAPO/MATIO_WH_STR-ENTITLED_ID sy-vline 
WA_/SAPAPO/MATIO_WH_STR-ENTITLED_TEXT sy-vline 
WA_/SAPAPO/MATIO_WH_STR-ENTITY sy-vline 
WA_/SAPAPO/MATIO_WH_STR-LASTSLOT_T sy-vline      INTO ld_text SEPARATED BY SPACE.

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