ABAP Select data from SAP table CNMMQUANS_NW into internal table

Get Example source ABAP code based on a different SAP table
  

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNMMQUANS_NW
*  INTO TABLE @DATA(IT_CNMMQUANS_NW2).
*--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_CNMMQUANS_NW INDEX 1 INTO DATA(WA_CNMMQUANS_NW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNMMQUANS_NW ASSIGNING <CNMMQUANS_NW>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNMMQUANS_NW>-NPLNR = 1.
<CNMMQUANS_NW>-VORNR = 1.
<CNMMQUANS_NW>-ICONS = 1.
<CNMMQUANS_NW>-MATNR = 1.
<CNMMQUANS_NW>-WERKS = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNMMQUANS_NW-MAKTX, sy-vline,
WA_CNMMQUANS_NW-BANFN, sy-vline,
WA_CNMMQUANS_NW-BNFPO, sy-vline,
WA_CNMMQUANS_NW-EBAKZ, sy-vline,
WA_CNMMQUANS_NW-MENGE_BANF, sy-vline,
WA_CNMMQUANS_NW-MEINS_BANF, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CNMMQUANS_NW 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_CNMMQUANS_NW 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_CNMMQUANS_NW INTO WA_CNMMQUANS_NW. *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 NPLNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-NPLNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-VORNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-MATNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BANFN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-BANFN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-BANFN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field RFQ_EBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-RFQ_EBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-RFQ_EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-EBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-EBELN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field MBLNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-MBLNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-MBLNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field MEINS_MSEG CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_CNMMQUANS_NW-MEINS_MSEG IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMQUANS_NW-MEINS_MSEG.
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_CNMMQUANS_NW_STR,
NPLNR TYPE STRING,
VORNR TYPE STRING,
ICONS TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MAKTX TYPE STRING,
BANFN TYPE STRING,
BNFPO TYPE STRING,
EBAKZ TYPE STRING,
MENGE_BANF TYPE STRING,
MEINS_BANF TYPE STRING,
BSMNG TYPE STRING,
RFQ_EBELN TYPE STRING,
RFQ_EBELP TYPE STRING,
STATU TYPE STRING,
ABSKZ TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ELIKZ TYPE STRING,
EREKZ TYPE STRING,
XEKET TYPE STRING,
XEKES TYPE STRING,
XEKBE TYPE STRING,
MENGE_EKPO TYPE STRING,
MEINS_EKPO TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
SHKZG TYPE STRING,
BWART TYPE STRING,
MENGE_MSEG TYPE STRING,
MEINS_MSEG TYPE STRING,END OF T_EKKO_STR. DATA: WA_CNMMQUANS_NW_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_CNMMQUANS_NW_STR-NPLNR sy-vline
WA_CNMMQUANS_NW_STR-VORNR sy-vline
WA_CNMMQUANS_NW_STR-ICONS sy-vline
WA_CNMMQUANS_NW_STR-MATNR sy-vline
WA_CNMMQUANS_NW_STR-WERKS sy-vline
WA_CNMMQUANS_NW_STR-MAKTX sy-vline
WA_CNMMQUANS_NW_STR-BANFN sy-vline
WA_CNMMQUANS_NW_STR-BNFPO sy-vline
WA_CNMMQUANS_NW_STR-EBAKZ sy-vline
WA_CNMMQUANS_NW_STR-MENGE_BANF sy-vline
WA_CNMMQUANS_NW_STR-MEINS_BANF sy-vline
WA_CNMMQUANS_NW_STR-BSMNG sy-vline
WA_CNMMQUANS_NW_STR-RFQ_EBELN sy-vline
WA_CNMMQUANS_NW_STR-RFQ_EBELP sy-vline
WA_CNMMQUANS_NW_STR-STATU sy-vline
WA_CNMMQUANS_NW_STR-ABSKZ sy-vline
WA_CNMMQUANS_NW_STR-EBELN sy-vline
WA_CNMMQUANS_NW_STR-EBELP sy-vline
WA_CNMMQUANS_NW_STR-ELIKZ sy-vline
WA_CNMMQUANS_NW_STR-EREKZ sy-vline
WA_CNMMQUANS_NW_STR-XEKET sy-vline
WA_CNMMQUANS_NW_STR-XEKES sy-vline
WA_CNMMQUANS_NW_STR-XEKBE sy-vline
WA_CNMMQUANS_NW_STR-MENGE_EKPO sy-vline
WA_CNMMQUANS_NW_STR-MEINS_EKPO sy-vline
WA_CNMMQUANS_NW_STR-MBLNR sy-vline
WA_CNMMQUANS_NW_STR-MJAHR sy-vline
WA_CNMMQUANS_NW_STR-ZEILE sy-vline
WA_CNMMQUANS_NW_STR-SHKZG sy-vline
WA_CNMMQUANS_NW_STR-BWART sy-vline
WA_CNMMQUANS_NW_STR-MENGE_MSEG sy-vline
WA_CNMMQUANS_NW_STR-MEINS_MSEG sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.