ABAP Select data from SAP table BAPIMATMBW into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIMATMBW 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 BAPIMATMBW. 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 BAPIMATMBW 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_BAPIMATMBW TYPE STANDARD TABLE OF BAPIMATMBW,
      WA_BAPIMATMBW TYPE BAPIMATMBW,
      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: <BAPIMATMBW> TYPE BAPIMATMBW.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIMATMBW
*  INTO TABLE @DATA(IT_BAPIMATMBW2).
*--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_BAPIMATMBW INDEX 1 INTO DATA(WA_BAPIMATMBW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIMATMBW>-OPERATION = 1.
<BAPIMATMBW>-MATERIAL = 1.
<BAPIMATMBW>-VAL_AREA = 1.
<BAPIMATMBW>-VAL_TYPE = 1.
<BAPIMATMBW>-DEL_FLAG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIMATMBW-TOTALSTOCK, sy-vline,
  WA_BAPIMATMBW-TOT_VALUE, sy-vline,
  WA_BAPIMATMBW-PRICE_CTRL, sy-vline,
  WA_BAPIMATMBW-MOVING_PR, sy-vline,
  WA_BAPIMATMBW-STD_PRICE, sy-vline,
  WA_BAPIMATMBW-PRICE_UNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIMATMBW 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_BAPIMATMBW 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_BAPIMATMBW INTO WA_BAPIMATMBW.


*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 MATN5, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-FISC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-FISC_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FUT_FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-FUT_FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-FUT_FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CRNT_FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-CRNT_FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-CRNT_FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PREV_FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-PREV_FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-PREV_FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BAPIMATMBW-MATERIAL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIMATMBW-MATERIAL_LONG.
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_BAPIMATMBW_STR, 
OPERATION TYPE STRING,
MATERIAL TYPE STRING,
VAL_AREA TYPE STRING,
VAL_TYPE TYPE STRING,
DEL_FLAG TYPE STRING,
TOTALSTOCK TYPE STRING,
TOT_VALUE TYPE STRING,
PRICE_CTRL TYPE STRING,
MOVING_PR TYPE STRING,
STD_PRICE TYPE STRING,
PRICE_UNIT TYPE STRING,
VAL_CLASS TYPE STRING,
VALUE_MAP TYPE STRING,
PREVTTLSTK TYPE STRING,
PPPTOT_VAL TYPE STRING,
PR_CTRL_PP TYPE STRING,
MOV_PR_PP TYPE STRING,
STD_PR_PP TYPE STRING,
PR_UNIT_PP TYPE STRING,
VCLASS_PP TYPE STRING,
VALPREVPER TYPE STRING,
PRVYTTLSTK TYPE STRING,
PYTOT_VAL TYPE STRING,
PR_CTRL_PY TYPE STRING,
MOV_PR_PY TYPE STRING,
STD_PR_PY TYPE STRING,
PR_UNIT_PY TYPE STRING,
VCLASS_PY TYPE STRING,
VAL_PR_YR TYPE STRING,
FISC_YEAR TYPE STRING,
PERIOD TYPE STRING,
VAL_CAT TYPE STRING,
PREV_PRICE TYPE STRING,
LAST_CHNG TYPE STRING,
FUTURE_PR TYPE STRING,
VALID_FROM TYPE STRING,
TAXPRICE_1 TYPE STRING,
COMMPRICE1 TYPE STRING,
TAXPRICE_3 TYPE STRING,
COMMPRICE3 TYPE STRING,
PPYVALUE TYPE STRING,
PPYTTLSTK TYPE STRING,
PPPTTLSTK TYPE STRING,
PPPVALUE TYPE STRING,
PLND_PRICE TYPE STRING,
PLNDPRICE1 TYPE STRING,
PLNDPRICE2 TYPE STRING,
PLANPRICE3 TYPE STRING,
PLNPRDATE1 TYPE STRING,
PLNDPDATE2 TYPE STRING,
PLNDPDATE3 TYPE STRING,
FUT_C_E TYPE STRING,
CURR_C_EST TYPE STRING,
PREV_C_E TYPE STRING,
FUTURCEIND TYPE STRING,
CURRCE_IND TYPE STRING,
PREVCE_IND TYPE STRING,
OVERHEAD TYPE STRING,
LIFO_FIFO TYPE STRING,
POOLNUMBER TYPE STRING,
COMMPRICE2 TYPE STRING,
TAXPRICE_2 TYPE STRING,
DEVAL_IND TYPE STRING,
MAINT_STAT TYPE STRING,
CSTG_NUM TYPE STRING,
COSTESTNR TYPE STRING,
VLTN_VRNT1 TYPE STRING,
VLTN_VRNT2 TYPE STRING,
VLTN_VRNT3 TYPE STRING,
FUTVERSION TYPE STRING,
CURVERSION TYPE STRING,
PRVVERSION TYPE STRING,
ORIG_GROUP TYPE STRING,
OVRHD_GRP TYPE STRING,
FUT_PER TYPE STRING,
CURRENT_PD TYPE STRING,
PREV_PER TYPE STRING,
FUT_FYEAR TYPE STRING,
CRNT_FYEAR TYPE STRING,
PREV_FYEAR TYPE STRING,
WITH_QS TYPE STRING,
PREV_PLND TYPE STRING,
ML_ACTIVE TYPE STRING,
ML_SETTLE TYPE STRING,
CRTPLANPRC TYPE STRING,
TOT_SP_VAL TYPE STRING,
ORIG_MAT TYPE STRING,
INV_BLOCK TYPE STRING,
PI_VO_MAT TYPE STRING,
PHYINVDATE TYPE STRING,
CC_PH_INV TYPE STRING,
VAL_MARGIN TYPE STRING,
FX_CURPLPR TYPE STRING,
PR_PLPR_FX TYPE STRING,
FT_PLPR_FX TYPE STRING,
CURR_VAL TYPE STRING,
PREV_VAL TYPE STRING,
FUT_VALN TYPE STRING,
VM_SO_STK TYPE STRING,
VM_P_STOCK TYPE STRING,
MATL_USAGE TYPE STRING,
MAT_ORIGIN TYPE STRING,
IN_HOUSE TYPE STRING,
VALUED_UOM TYPE STRING,
TAX_CML_UN TYPE STRING,
PRVMBEWHX TYPE STRING,
MATERIAL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIMATMBW_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_BAPIMATMBW_STR-OPERATION sy-vline 
WA_BAPIMATMBW_STR-MATERIAL sy-vline 
WA_BAPIMATMBW_STR-VAL_AREA sy-vline 
WA_BAPIMATMBW_STR-VAL_TYPE sy-vline 
WA_BAPIMATMBW_STR-DEL_FLAG sy-vline 
WA_BAPIMATMBW_STR-TOTALSTOCK sy-vline 
WA_BAPIMATMBW_STR-TOT_VALUE sy-vline 
WA_BAPIMATMBW_STR-PRICE_CTRL sy-vline 
WA_BAPIMATMBW_STR-MOVING_PR sy-vline 
WA_BAPIMATMBW_STR-STD_PRICE sy-vline 
WA_BAPIMATMBW_STR-PRICE_UNIT sy-vline 
WA_BAPIMATMBW_STR-VAL_CLASS sy-vline 
WA_BAPIMATMBW_STR-VALUE_MAP sy-vline 
WA_BAPIMATMBW_STR-PREVTTLSTK sy-vline 
WA_BAPIMATMBW_STR-PPPTOT_VAL sy-vline 
WA_BAPIMATMBW_STR-PR_CTRL_PP sy-vline 
WA_BAPIMATMBW_STR-MOV_PR_PP sy-vline 
WA_BAPIMATMBW_STR-STD_PR_PP sy-vline 
WA_BAPIMATMBW_STR-PR_UNIT_PP sy-vline 
WA_BAPIMATMBW_STR-VCLASS_PP sy-vline 
WA_BAPIMATMBW_STR-VALPREVPER sy-vline 
WA_BAPIMATMBW_STR-PRVYTTLSTK sy-vline 
WA_BAPIMATMBW_STR-PYTOT_VAL sy-vline 
WA_BAPIMATMBW_STR-PR_CTRL_PY sy-vline 
WA_BAPIMATMBW_STR-MOV_PR_PY sy-vline 
WA_BAPIMATMBW_STR-STD_PR_PY sy-vline 
WA_BAPIMATMBW_STR-PR_UNIT_PY sy-vline 
WA_BAPIMATMBW_STR-VCLASS_PY sy-vline 
WA_BAPIMATMBW_STR-VAL_PR_YR sy-vline 
WA_BAPIMATMBW_STR-FISC_YEAR sy-vline 
WA_BAPIMATMBW_STR-PERIOD sy-vline 
WA_BAPIMATMBW_STR-VAL_CAT sy-vline 
WA_BAPIMATMBW_STR-PREV_PRICE sy-vline 
WA_BAPIMATMBW_STR-LAST_CHNG sy-vline 
WA_BAPIMATMBW_STR-FUTURE_PR sy-vline 
WA_BAPIMATMBW_STR-VALID_FROM sy-vline 
WA_BAPIMATMBW_STR-TAXPRICE_1 sy-vline 
WA_BAPIMATMBW_STR-COMMPRICE1 sy-vline 
WA_BAPIMATMBW_STR-TAXPRICE_3 sy-vline 
WA_BAPIMATMBW_STR-COMMPRICE3 sy-vline 
WA_BAPIMATMBW_STR-PPYVALUE sy-vline 
WA_BAPIMATMBW_STR-PPYTTLSTK sy-vline 
WA_BAPIMATMBW_STR-PPPTTLSTK sy-vline 
WA_BAPIMATMBW_STR-PPPVALUE sy-vline 
WA_BAPIMATMBW_STR-PLND_PRICE sy-vline 
WA_BAPIMATMBW_STR-PLNDPRICE1 sy-vline 
WA_BAPIMATMBW_STR-PLNDPRICE2 sy-vline 
WA_BAPIMATMBW_STR-PLANPRICE3 sy-vline 
WA_BAPIMATMBW_STR-PLNPRDATE1 sy-vline 
WA_BAPIMATMBW_STR-PLNDPDATE2 sy-vline 
WA_BAPIMATMBW_STR-PLNDPDATE3 sy-vline 
WA_BAPIMATMBW_STR-FUT_C_E sy-vline 
WA_BAPIMATMBW_STR-CURR_C_EST sy-vline 
WA_BAPIMATMBW_STR-PREV_C_E sy-vline 
WA_BAPIMATMBW_STR-FUTURCEIND sy-vline 
WA_BAPIMATMBW_STR-CURRCE_IND sy-vline 
WA_BAPIMATMBW_STR-PREVCE_IND sy-vline 
WA_BAPIMATMBW_STR-OVERHEAD sy-vline 
WA_BAPIMATMBW_STR-LIFO_FIFO sy-vline 
WA_BAPIMATMBW_STR-POOLNUMBER sy-vline 
WA_BAPIMATMBW_STR-COMMPRICE2 sy-vline 
WA_BAPIMATMBW_STR-TAXPRICE_2 sy-vline 
WA_BAPIMATMBW_STR-DEVAL_IND sy-vline 
WA_BAPIMATMBW_STR-MAINT_STAT sy-vline 
WA_BAPIMATMBW_STR-CSTG_NUM sy-vline 
WA_BAPIMATMBW_STR-COSTESTNR sy-vline 
WA_BAPIMATMBW_STR-VLTN_VRNT1 sy-vline 
WA_BAPIMATMBW_STR-VLTN_VRNT2 sy-vline 
WA_BAPIMATMBW_STR-VLTN_VRNT3 sy-vline 
WA_BAPIMATMBW_STR-FUTVERSION sy-vline 
WA_BAPIMATMBW_STR-CURVERSION sy-vline 
WA_BAPIMATMBW_STR-PRVVERSION sy-vline 
WA_BAPIMATMBW_STR-ORIG_GROUP sy-vline 
WA_BAPIMATMBW_STR-OVRHD_GRP sy-vline 
WA_BAPIMATMBW_STR-FUT_PER sy-vline 
WA_BAPIMATMBW_STR-CURRENT_PD sy-vline 
WA_BAPIMATMBW_STR-PREV_PER sy-vline 
WA_BAPIMATMBW_STR-FUT_FYEAR sy-vline 
WA_BAPIMATMBW_STR-CRNT_FYEAR sy-vline 
WA_BAPIMATMBW_STR-PREV_FYEAR sy-vline 
WA_BAPIMATMBW_STR-WITH_QS sy-vline 
WA_BAPIMATMBW_STR-PREV_PLND sy-vline 
WA_BAPIMATMBW_STR-ML_ACTIVE sy-vline 
WA_BAPIMATMBW_STR-ML_SETTLE sy-vline 
WA_BAPIMATMBW_STR-CRTPLANPRC sy-vline 
WA_BAPIMATMBW_STR-TOT_SP_VAL sy-vline 
WA_BAPIMATMBW_STR-ORIG_MAT sy-vline 
WA_BAPIMATMBW_STR-INV_BLOCK sy-vline 
WA_BAPIMATMBW_STR-PI_VO_MAT sy-vline 
WA_BAPIMATMBW_STR-PHYINVDATE sy-vline 
WA_BAPIMATMBW_STR-CC_PH_INV sy-vline 
WA_BAPIMATMBW_STR-VAL_MARGIN sy-vline 
WA_BAPIMATMBW_STR-FX_CURPLPR sy-vline 
WA_BAPIMATMBW_STR-PR_PLPR_FX sy-vline 
WA_BAPIMATMBW_STR-FT_PLPR_FX sy-vline 
WA_BAPIMATMBW_STR-CURR_VAL sy-vline 
WA_BAPIMATMBW_STR-PREV_VAL sy-vline 
WA_BAPIMATMBW_STR-FUT_VALN sy-vline 
WA_BAPIMATMBW_STR-VM_SO_STK sy-vline 
WA_BAPIMATMBW_STR-VM_P_STOCK sy-vline 
WA_BAPIMATMBW_STR-MATL_USAGE sy-vline 
WA_BAPIMATMBW_STR-MAT_ORIGIN sy-vline 
WA_BAPIMATMBW_STR-IN_HOUSE sy-vline 
WA_BAPIMATMBW_STR-VALUED_UOM sy-vline 
WA_BAPIMATMBW_STR-TAX_CML_UN sy-vline 
WA_BAPIMATMBW_STR-PRVMBEWHX sy-vline 
WA_BAPIMATMBW_STR-MATERIAL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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