ABAP Select data from SAP table CNMMDOCS 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 CNMMDOCS 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 CNMMDOCS. 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 CNMMDOCS 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_CNMMDOCS TYPE STANDARD TABLE OF CNMMDOCS,
WA_CNMMDOCS TYPE CNMMDOCS,
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: <CNMMDOCS> TYPE CNMMDOCS.
*Process all fields in table header/work area as string values
PERFORM process_as_string_field_values CHANGING wa_CNMMDOCS.
SELECT *
*restrict ABAP select to first 10 rows
UP TO 10 ROWS
FROM CNMMDOCS
INTO TABLE IT_CNMMDOCS.
*Select data and declare internal table using in-line method @DATA
*SELECT *
* FROM CNMMDOCS
* INTO TABLE @DATA(IT_CNMMDOCS2).
*--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_CNMMDOCS INDEX 1 INTO DATA(WA_CNMMDOCS2).
*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNMMDOCS ASSIGNING <CNMMDOCS>.
*To update a field value using a field symbol simply change the value via the field symbol pointer<CNMMDOCS>-RSNUM = 1.
<CNMMDOCS>-RSPOS = 1.
<CNMMDOCS>-RSART = 1.
<CNMMDOCS>-ICONS = 1.
<CNMMDOCS>-MATNR = 1.
ENDLOOP. LOOP AT IT_CNMMDOCS INTO WA_CNMMDOCS. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CNMMDOCS-WERKS, sy-vline,
WA_CNMMDOCS-MAKTX, sy-vline,
WA_CNMMDOCS-AUDISP, sy-vline,
WA_CNMMDOCS-LIFNR, sy-vline,
WA_CNMMDOCS-BANFN, sy-vline,
WA_CNMMDOCS-BNFPO, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CNMMDOCS 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_CNMMDOCS 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_CNMMDOCS INTO WA_CNMMDOCS. *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 MATN1, internal->external for field MATNR CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT' EXPORTING input = WA_CNMMDOCS-MATNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-MATNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field LIFNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-LIFNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-LIFNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field BANFN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-BANFN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-BANFN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RFQ_EBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-RFQ_EBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-RFQ_EBELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field EBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-EBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-EBELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field VBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-VBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-VBELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field MBLNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CNMMDOCS-MBLNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-MBLNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit GJAHR, internal->external for field MJAHR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_CNMMDOCS-MJAHR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CNMMDOCS-MJAHR.
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_CNMMDOCS_STR,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
ICONS TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MAKTX TYPE STRING,
AUDISP TYPE STRING,
LIFNR TYPE STRING,
BANFN TYPE STRING,
BNFPO TYPE STRING,
EBAKZ 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,
VBELN TYPE STRING,
D_POSNR TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
SHKZG TYPE STRING,
BWART TYPE STRING,END OF T_EKKO_STR. DATA: WA_CNMMDOCS_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_CNMMDOCS_STR-RSNUM sy-vline
WA_CNMMDOCS_STR-RSPOS sy-vline
WA_CNMMDOCS_STR-RSART sy-vline
WA_CNMMDOCS_STR-ICONS sy-vline
WA_CNMMDOCS_STR-MATNR sy-vline
WA_CNMMDOCS_STR-WERKS sy-vline
WA_CNMMDOCS_STR-MAKTX sy-vline
WA_CNMMDOCS_STR-AUDISP sy-vline
WA_CNMMDOCS_STR-LIFNR sy-vline
WA_CNMMDOCS_STR-BANFN sy-vline
WA_CNMMDOCS_STR-BNFPO sy-vline
WA_CNMMDOCS_STR-EBAKZ sy-vline
WA_CNMMDOCS_STR-RFQ_EBELN sy-vline
WA_CNMMDOCS_STR-RFQ_EBELP sy-vline
WA_CNMMDOCS_STR-STATU sy-vline
WA_CNMMDOCS_STR-ABSKZ sy-vline
WA_CNMMDOCS_STR-EBELN sy-vline
WA_CNMMDOCS_STR-EBELP sy-vline
WA_CNMMDOCS_STR-ELIKZ sy-vline
WA_CNMMDOCS_STR-EREKZ sy-vline
WA_CNMMDOCS_STR-XEKET sy-vline
WA_CNMMDOCS_STR-XEKES sy-vline
WA_CNMMDOCS_STR-XEKBE sy-vline
WA_CNMMDOCS_STR-VBELN sy-vline
WA_CNMMDOCS_STR-D_POSNR sy-vline
WA_CNMMDOCS_STR-MBLNR sy-vline
WA_CNMMDOCS_STR-MJAHR sy-vline
WA_CNMMDOCS_STR-ZEILE sy-vline
WA_CNMMDOCS_STR-SHKZG sy-vline
WA_CNMMDOCS_STR-BWART sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.
