ABAP Select data from SAP table DD03NP 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 DD03NP 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 DD03NP. 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 DD03NP 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_DD03NP TYPE STANDARD TABLE OF DD03NP,
      WA_DD03NP TYPE DD03NP,
      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: <DD03NP> TYPE DD03NP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DD03NP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DD03NP
  INTO TABLE IT_DD03NP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DD03NP
*  INTO TABLE @DATA(IT_DD03NP2).
*--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_DD03NP INDEX 1 INTO DATA(WA_DD03NP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DD03NP ASSIGNING <DD03NP>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<DD03NP>-STRUCOBJN = 1.
<DD03NP>-NODENAME = 1.
<DD03NP>-FIELDNAME = 1.
<DD03NP>-DDLANGUAGE = 1.
<DD03NP>-POSITION = 1.
ENDLOOP.

LOOP AT IT_DD03NP INTO WA_DD03NP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DD03NP-KEYFLAG, sy-vline,
WA_DD03NP-MANDATORY, sy-vline,
WA_DD03NP-ROLLNAME, sy-vline,
WA_DD03NP-CHECKTABLE, sy-vline,
WA_DD03NP-ADMINFIELD, sy-vline,
WA_DD03NP-INTTYPE, sy-vline.
ENDLOOP. *Add any further fields from structure WA_DD03NP 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_DD03NP 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_DD03NP INTO WA_DD03NP. *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 ISOLA, internal->external for field DDLANGUAGE CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_DD03NP-DDLANGUAGE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_DD03NP-DDLANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field DTELMASTER CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_DD03NP-DTELMASTER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_DD03NP-DTELMASTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DTYPE, internal->external for field DATATYPE CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT' EXPORTING input = WA_DD03NP-DATATYPE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_DD03NP-DATATYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field DOMMASTER CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_DD03NP-DOMMASTER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_DD03NP-DOMMASTER.
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_DD03NP_STR,
STRUCOBJN TYPE STRING,
NODENAME TYPE STRING,
FIELDNAME TYPE STRING,
DDLANGUAGE TYPE STRING,
POSITION TYPE STRING,
KEYFLAG TYPE STRING,
MANDATORY TYPE STRING,
ROLLNAME TYPE STRING,
CHECKTABLE TYPE STRING,
ADMINFIELD TYPE STRING,
INTTYPE TYPE STRING,
INTLEN TYPE STRING,
REFTABLE TYPE STRING,
PRECFIELD TYPE STRING,
REFFIELD TYPE STRING,
CONROUT TYPE STRING,
NOTNULL TYPE STRING,
DOMNAME TYPE STRING,
ROUTPUTLEN TYPE STRING,
MEMORYID TYPE STRING,
LOGFLAG TYPE STRING,
HEADLEN TYPE STRING,
SCRLEN1 TYPE STRING,
SCRLEN2 TYPE STRING,
SCRLEN3 TYPE STRING,
DTELGLOBAL TYPE STRING,
DTELMASTER TYPE STRING,
RESERVEDTE TYPE STRING,
DATATYPE TYPE STRING,
LENG TYPE STRING,
OUTPUTLEN TYPE STRING,
DECIMALS TYPE STRING,
LOWERCASE TYPE STRING,
SIGNFLAG TYPE STRING,
LANGFLAG TYPE STRING,
VALEXI TYPE STRING,
ENTITYTAB TYPE STRING,
CONVEXIT TYPE STRING,
MASK TYPE STRING,
MASKLEN TYPE STRING,
ACTFLAG TYPE STRING,
DDTEXT TYPE STRING,
REPTEXT TYPE STRING,
SCRTEXT_S TYPE STRING,
SCRTEXT_M TYPE STRING,
SCRTEXT_L TYPE STRING,
DOMMASTER TYPE STRING,
RESERVEDOM TYPE STRING,
DOMGLOBAL TYPE STRING,
DOMNAME3L TYPE STRING,
SHLPORIGIN TYPE STRING,
SHLPNAME TYPE STRING,
SHLPFIELD TYPE STRING,
TABLETYPE TYPE STRING,
DEPTH TYPE STRING,
COMPTYPE TYPE STRING,
DEFFDNAME TYPE STRING,
GROUPNAME TYPE STRING,
REFTYPE TYPE STRING,
PROXYTYPE TYPE STRING,
LANGUFLAG TYPE STRING,
EXCLASS TYPE STRING,
LTRFLDDIS TYPE STRING,
BIDICTRLC TYPE STRING,
DBPOSITION TYPE STRING,
ANONYMOUS TYPE STRING,
OUTPUTSTYLE TYPE STRING,
NOHISTORY TYPE STRING,
AMPMFORMAT TYPE STRING,
STREAMORLOC TYPE STRING,
STRORLOCPOS TYPE STRING,
ENABLED TYPE STRING,
TRANSIENT TYPE STRING,
FIELDNAMEDBS TYPE STRING,
LFIELDNAME TYPE STRING,
FIELDORIGIN TYPE STRING,
APPENDSTRUNAME TYPE STRING,
FIELDLABEL TYPE STRING,
QUICKINFO TYPE STRING,
FIELDNAME_RAW TYPE STRING,
SQL_PASSVALUE TYPE STRING,
IS_VIRTUAL TYPE STRING,
IS_CALCULATED TYPE STRING,
EXTENDNAME TYPE STRING,END OF T_EKKO_STR. DATA: WA_DD03NP_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_DD03NP_STR-STRUCOBJN sy-vline
WA_DD03NP_STR-NODENAME sy-vline
WA_DD03NP_STR-FIELDNAME sy-vline
WA_DD03NP_STR-DDLANGUAGE sy-vline
WA_DD03NP_STR-POSITION sy-vline
WA_DD03NP_STR-KEYFLAG sy-vline
WA_DD03NP_STR-MANDATORY sy-vline
WA_DD03NP_STR-ROLLNAME sy-vline
WA_DD03NP_STR-CHECKTABLE sy-vline
WA_DD03NP_STR-ADMINFIELD sy-vline
WA_DD03NP_STR-INTTYPE sy-vline
WA_DD03NP_STR-INTLEN sy-vline
WA_DD03NP_STR-REFTABLE sy-vline
WA_DD03NP_STR-PRECFIELD sy-vline
WA_DD03NP_STR-REFFIELD sy-vline
WA_DD03NP_STR-CONROUT sy-vline
WA_DD03NP_STR-NOTNULL sy-vline
WA_DD03NP_STR-DOMNAME sy-vline
WA_DD03NP_STR-ROUTPUTLEN sy-vline
WA_DD03NP_STR-MEMORYID sy-vline
WA_DD03NP_STR-LOGFLAG sy-vline
WA_DD03NP_STR-HEADLEN sy-vline
WA_DD03NP_STR-SCRLEN1 sy-vline
WA_DD03NP_STR-SCRLEN2 sy-vline
WA_DD03NP_STR-SCRLEN3 sy-vline
WA_DD03NP_STR-DTELGLOBAL sy-vline
WA_DD03NP_STR-DTELMASTER sy-vline
WA_DD03NP_STR-RESERVEDTE sy-vline
WA_DD03NP_STR-DATATYPE sy-vline
WA_DD03NP_STR-LENG sy-vline
WA_DD03NP_STR-OUTPUTLEN sy-vline
WA_DD03NP_STR-DECIMALS sy-vline
WA_DD03NP_STR-LOWERCASE sy-vline
WA_DD03NP_STR-SIGNFLAG sy-vline
WA_DD03NP_STR-LANGFLAG sy-vline
WA_DD03NP_STR-VALEXI sy-vline
WA_DD03NP_STR-ENTITYTAB sy-vline
WA_DD03NP_STR-CONVEXIT sy-vline
WA_DD03NP_STR-MASK sy-vline
WA_DD03NP_STR-MASKLEN sy-vline
WA_DD03NP_STR-ACTFLAG sy-vline
WA_DD03NP_STR-DDTEXT sy-vline
WA_DD03NP_STR-REPTEXT sy-vline
WA_DD03NP_STR-SCRTEXT_S sy-vline
WA_DD03NP_STR-SCRTEXT_M sy-vline
WA_DD03NP_STR-SCRTEXT_L sy-vline
WA_DD03NP_STR-DOMMASTER sy-vline
WA_DD03NP_STR-RESERVEDOM sy-vline
WA_DD03NP_STR-DOMGLOBAL sy-vline
WA_DD03NP_STR-DOMNAME3L sy-vline
WA_DD03NP_STR-SHLPORIGIN sy-vline
WA_DD03NP_STR-SHLPNAME sy-vline
WA_DD03NP_STR-SHLPFIELD sy-vline
WA_DD03NP_STR-TABLETYPE sy-vline
WA_DD03NP_STR-DEPTH sy-vline
WA_DD03NP_STR-COMPTYPE sy-vline
WA_DD03NP_STR-DEFFDNAME sy-vline
WA_DD03NP_STR-GROUPNAME sy-vline
WA_DD03NP_STR-REFTYPE sy-vline
WA_DD03NP_STR-PROXYTYPE sy-vline
WA_DD03NP_STR-LANGUFLAG sy-vline
WA_DD03NP_STR-EXCLASS sy-vline
WA_DD03NP_STR-LTRFLDDIS sy-vline
WA_DD03NP_STR-BIDICTRLC sy-vline
WA_DD03NP_STR-DBPOSITION sy-vline
WA_DD03NP_STR-ANONYMOUS sy-vline
WA_DD03NP_STR-OUTPUTSTYLE sy-vline
WA_DD03NP_STR-NOHISTORY sy-vline
WA_DD03NP_STR-AMPMFORMAT sy-vline
WA_DD03NP_STR-STREAMORLOC sy-vline
WA_DD03NP_STR-STRORLOCPOS sy-vline
WA_DD03NP_STR-ENABLED sy-vline
WA_DD03NP_STR-TRANSIENT sy-vline
WA_DD03NP_STR-FIELDNAMEDBS sy-vline
WA_DD03NP_STR-LFIELDNAME sy-vline
WA_DD03NP_STR-FIELDORIGIN sy-vline
WA_DD03NP_STR-APPENDSTRUNAME sy-vline
WA_DD03NP_STR-FIELDLABEL sy-vline
WA_DD03NP_STR-QUICKINFO sy-vline
WA_DD03NP_STR-FIELDNAME_RAW sy-vline
WA_DD03NP_STR-SQL_PASSVALUE sy-vline
WA_DD03NP_STR-IS_VIRTUAL sy-vline
WA_DD03NP_STR-IS_CALCULATED sy-vline
WA_DD03NP_STR-EXTENDNAME sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.