ABAP Select data from SAP table VDFS_ALLWNC_REQ 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 VDFS_ALLWNC_REQ 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 VDFS_ALLWNC_REQ. 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 VDFS_ALLWNC_REQ 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_VDFS_ALLWNC_REQ TYPE STANDARD TABLE OF VDFS_ALLWNC_REQ,
      WA_VDFS_ALLWNC_REQ TYPE VDFS_ALLWNC_REQ,
      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: <VDFS_ALLWNC_REQ> TYPE VDFS_ALLWNC_REQ.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VDFS_ALLWNC_REQ
*  INTO TABLE @DATA(IT_VDFS_ALLWNC_REQ2).
*--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_VDFS_ALLWNC_REQ INDEX 1 INTO DATA(WA_VDFS_ALLWNC_REQ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VDFS_ALLWNC_REQ ASSIGNING <VDFS_ALLWNC_REQ>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<VDFS_ALLWNC_REQ>-CLIENT = 1.
<VDFS_ALLWNC_REQ>-DFSALLWNCREQUUID = 1.
<VDFS_ALLWNC_REQ>-DFSALLWNCREQID = 1.
<VDFS_ALLWNC_REQ>-DFSALLWNCREQDESCRIPTION = 1.
<VDFS_ALLWNC_REQ>-DFSALLWNCREQVALDTYSTRTDATE = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VDFS_ALLWNC_REQ-DFSALLWNCREQVALDTYENDDATE, sy-vline,
WA_VDFS_ALLWNC_REQ-FLXBLMATLPLNGOBJECTUUID, sy-vline,
WA_VDFS_ALLWNC_REQ-FLXBLMATLPLNGOBJECTID, sy-vline,
WA_VDFS_ALLWNC_REQ-FLXBLMATLPLNGOBJVARIANTUUID, sy-vline,
WA_VDFS_ALLWNC_REQ-FLXBLMATLPLNGOBJVARIANTID, sy-vline,
WA_VDFS_ALLWNC_REQ-PRODUCT, sy-vline.
ENDLOOP. *Add any further fields from structure WA_VDFS_ALLWNC_REQ 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_VDFS_ALLWNC_REQ 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_VDFS_ALLWNC_REQ INTO WA_VDFS_ALLWNC_REQ. *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 PRODUCT CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT' EXPORTING input = WA_VDFS_ALLWNC_REQ-PRODUCT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VDFS_ALLWNC_REQ-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DFSALLWNCREQQUANTITYUNIT CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_VDFS_ALLWNC_REQ-DFSALLWNCREQQUANTITYUNIT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VDFS_ALLWNC_REQ-DFSALLWNCREQQUANTITYUNIT.
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_VDFS_ALLWNC_REQ_STR,
CLIENT TYPE STRING,
DFSALLWNCREQUUID TYPE STRING,
DFSALLWNCREQID TYPE STRING,
DFSALLWNCREQDESCRIPTION TYPE STRING,
DFSALLWNCREQVALDTYSTRTDATE TYPE STRING,
DFSALLWNCREQVALDTYENDDATE TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
PRODUCT TYPE STRING,
FORCEELEMENTORGUUID TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
DFSALLWNCREQCREATIONDATETIME TYPE STRING,
DFSALLWNCREQCREATEDBYUSER TYPE STRING,
DFSALLWNCREQCHANGEDATETIME TYPE STRING,
DFSALLWNCREQLASTCHGDBYUSER TYPE STRING,
DFSALLWNCREQCOMMENT TYPE STRING,
DFSALLWNCREQQUANTITYUNIT TYPE STRING,
DFSALLWNCREQREQDQUANTITY TYPE STRING,
DFSALLWNCREQBASETYPE TYPE STRING,
FRCELMNTORGUSAGETYPE TYPE STRING,
DFSALLWNCREQDUEDATE TYPE STRING,
DUMMY_ALLWNC_REQ_INCL_EEW_PS TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR. DATA: WA_VDFS_ALLWNC_REQ_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_VDFS_ALLWNC_REQ_STR-CLIENT sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQUUID sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQID sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQDESCRIPTION sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQVALDTYSTRTDATE sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQVALDTYENDDATE sy-vline
WA_VDFS_ALLWNC_REQ_STR-FLXBLMATLPLNGOBJECTUUID sy-vline
WA_VDFS_ALLWNC_REQ_STR-FLXBLMATLPLNGOBJECTID sy-vline
WA_VDFS_ALLWNC_REQ_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline
WA_VDFS_ALLWNC_REQ_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline
WA_VDFS_ALLWNC_REQ_STR-PRODUCT sy-vline
WA_VDFS_ALLWNC_REQ_STR-FORCEELEMENTORGUUID sy-vline
WA_VDFS_ALLWNC_REQ_STR-FORCEELEMENTORGID sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQCREATIONDATETIME sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQCREATEDBYUSER sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQCHANGEDATETIME sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQLASTCHGDBYUSER sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQCOMMENT sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQQUANTITYUNIT sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQREQDQUANTITY sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQBASETYPE sy-vline
WA_VDFS_ALLWNC_REQ_STR-FRCELMNTORGUSAGETYPE sy-vline
WA_VDFS_ALLWNC_REQ_STR-DFSALLWNCREQDUEDATE sy-vline
WA_VDFS_ALLWNC_REQ_STR-DUMMY_ALLWNC_REQ_INCL_EEW_PS sy-vline
WA_VDFS_ALLWNC_REQ_STR-KZ sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.