ABAP Select data from SAP table BAPIMATM04 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIMATM04 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 BAPIMATM04. 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 BAPIMATM04 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_BAPIMATM04 TYPE STANDARD TABLE OF BAPIMATM04,
      WA_BAPIMATM04 TYPE BAPIMATM04,
      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: <BAPIMATM04> TYPE BAPIMATM04.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIMATM04.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIMATM04
  INTO TABLE IT_BAPIMATM04.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIMATM04
*  INTO TABLE @DATA(IT_BAPIMATM042).
*--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_BAPIMATM04 INDEX 1 INTO DATA(WA_BAPIMATM042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIMATM04 ASSIGNING <BAPIMATM04>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIMATM04>-OPERATION = 1.
<BAPIMATM04>-MATERIAL = 1.
<BAPIMATM04>-PLANT = 1.
<BAPIMATM04>-STGE_LOC = 1.
<BAPIMATM04>-MAINT_STAT = 1.

ENDLOOP.

LOOP AT IT_BAPIMATM04 INTO WA_BAPIMATM04.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIMATM04-DEL_FLAG, sy-vline,
  WA_BAPIMATM04-FISC_YEAR, sy-vline,
  WA_BAPIMATM04-PERIOD, sy-vline,
  WA_BAPIMATM04-INV_BLOCK, sy-vline,
  WA_BAPIMATM04-UNRESTRSTK, sy-vline,
  WA_BAPIMATM04-STOCKINTFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIMATM04 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_BAPIMATM04 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_BAPIMATM04 INTO WA_BAPIMATM04.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPIMATM04_STR, 
OPERATION TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STGE_LOC TYPE STRING,
MAINT_STAT TYPE STRING,
DEL_FLAG TYPE STRING,
FISC_YEAR TYPE STRING,
PERIOD TYPE STRING,
INV_BLOCK TYPE STRING,
UNRESTRSTK TYPE STRING,
STOCKINTFR TYPE STRING,
QUINSPSTCK TYPE STRING,
RESTR_USE TYPE STRING,
STOCKBLOCK TYPE STRING,
STKBLKRET TYPE STRING,
PUNRESTRST TYPE STRING,
STK_IN_TFR TYPE STRING,
QUAL_INSP TYPE STRING,
PRESTR_USE TYPE STRING,
PPER_BLOCK TYPE STRING,
PSTKBLKRET TYPE STRING,
WHSE_STOCK TYPE STRING,
QULINSPSTK TYPE STRING,
INVRSTRUSE TYPE STRING,
INDBLOCKED TYPE STRING,
PWHSE_STCK TYPE STRING,
PQLINSPSTK TYPE STRING,
PINVRSTUSE TYPE STRING,
INVSTKBLK TYPE STRING,
MRP_IND TYPE STRING,
SPEC_PROC TYPE STRING,
REORDER_PT TYPE STRING,
REPL_QTY TYPE STRING,
CTRYOR TYPE STRING,
CTRYOR_ISO TYPE STRING,
PREFERENCE TYPE STRING,
EXPORT TYPE STRING,
STGE_BIN TYPE STRING,
UNRS_CNSGT TYPE STRING,
CNSGT_QINS TYPE STRING,
RESTRCNSGT TYPE STRING,
BLKD_CNSGT TYPE STRING,
PHYINVDATE TYPE STRING,
PROFIT_CTR TYPE STRING,
CREATED_ON TYPE STRING,
SP_VALUE TYPE STRING,
STCKTR_SP TYPE STRING,
PICKG_AREA TYPE STRING,
INVCORRFAC TYPE STRING,
PRVMARDHX TYPE STRING,
IND_FISCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIMATM04_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_BAPIMATM04_STR-OPERATION sy-vline 
WA_BAPIMATM04_STR-MATERIAL sy-vline 
WA_BAPIMATM04_STR-PLANT sy-vline 
WA_BAPIMATM04_STR-STGE_LOC sy-vline 
WA_BAPIMATM04_STR-MAINT_STAT sy-vline 
WA_BAPIMATM04_STR-DEL_FLAG sy-vline 
WA_BAPIMATM04_STR-FISC_YEAR sy-vline 
WA_BAPIMATM04_STR-PERIOD sy-vline 
WA_BAPIMATM04_STR-INV_BLOCK sy-vline 
WA_BAPIMATM04_STR-UNRESTRSTK sy-vline 
WA_BAPIMATM04_STR-STOCKINTFR sy-vline 
WA_BAPIMATM04_STR-QUINSPSTCK sy-vline 
WA_BAPIMATM04_STR-RESTR_USE sy-vline 
WA_BAPIMATM04_STR-STOCKBLOCK sy-vline 
WA_BAPIMATM04_STR-STKBLKRET sy-vline 
WA_BAPIMATM04_STR-PUNRESTRST sy-vline 
WA_BAPIMATM04_STR-STK_IN_TFR sy-vline 
WA_BAPIMATM04_STR-QUAL_INSP sy-vline 
WA_BAPIMATM04_STR-PRESTR_USE sy-vline 
WA_BAPIMATM04_STR-PPER_BLOCK sy-vline 
WA_BAPIMATM04_STR-PSTKBLKRET sy-vline 
WA_BAPIMATM04_STR-WHSE_STOCK sy-vline 
WA_BAPIMATM04_STR-QULINSPSTK sy-vline 
WA_BAPIMATM04_STR-INVRSTRUSE sy-vline 
WA_BAPIMATM04_STR-INDBLOCKED sy-vline 
WA_BAPIMATM04_STR-PWHSE_STCK sy-vline 
WA_BAPIMATM04_STR-PQLINSPSTK sy-vline 
WA_BAPIMATM04_STR-PINVRSTUSE sy-vline 
WA_BAPIMATM04_STR-INVSTKBLK sy-vline 
WA_BAPIMATM04_STR-MRP_IND sy-vline 
WA_BAPIMATM04_STR-SPEC_PROC sy-vline 
WA_BAPIMATM04_STR-REORDER_PT sy-vline 
WA_BAPIMATM04_STR-REPL_QTY sy-vline 
WA_BAPIMATM04_STR-CTRYOR sy-vline 
WA_BAPIMATM04_STR-CTRYOR_ISO sy-vline 
WA_BAPIMATM04_STR-PREFERENCE sy-vline 
WA_BAPIMATM04_STR-EXPORT sy-vline 
WA_BAPIMATM04_STR-STGE_BIN sy-vline 
WA_BAPIMATM04_STR-UNRS_CNSGT sy-vline 
WA_BAPIMATM04_STR-CNSGT_QINS sy-vline 
WA_BAPIMATM04_STR-RESTRCNSGT sy-vline 
WA_BAPIMATM04_STR-BLKD_CNSGT sy-vline 
WA_BAPIMATM04_STR-PHYINVDATE sy-vline 
WA_BAPIMATM04_STR-PROFIT_CTR sy-vline 
WA_BAPIMATM04_STR-CREATED_ON sy-vline 
WA_BAPIMATM04_STR-SP_VALUE sy-vline 
WA_BAPIMATM04_STR-STCKTR_SP sy-vline 
WA_BAPIMATM04_STR-PICKG_AREA sy-vline 
WA_BAPIMATM04_STR-INVCORRFAC sy-vline 
WA_BAPIMATM04_STR-PRVMARDHX sy-vline 
WA_BAPIMATM04_STR-IND_FISCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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