ABAP Select data from SAP table VXWDY_CTX_NODE 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 VXWDY_CTX_NODE 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 VXWDY_CTX_NODE. 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 VXWDY_CTX_NODE 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_VXWDY_CTX_NODE TYPE STANDARD TABLE OF VXWDY_CTX_NODE, WA_VXWDY_CTX_NODE TYPE VXWDY_CTX_NODE, 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: <VXWDY_CTX_NODE> TYPE VXWDY_CTX_NODE. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_VXWDY_CTX_NODE. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM VXWDY_CTX_NODE INTO TABLE IT_VXWDY_CTX_NODE. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM VXWDY_CTX_NODE * INTO TABLE @DATA(IT_VXWDY_CTX_NODE2). *--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_VXWDY_CTX_NODE INDEX 1 INTO DATA(WA_VXWDY_CTX_NODE2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_VXWDY_CTX_NODE ASSIGNING <VXWDY_CTX_NODE>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<VXWDY_CTX_NODE>-VRSFLAG = 1.
<VXWDY_CTX_NODE>-COMPONENT_NAME = 1.
<VXWDY_CTX_NODE>-CONTROLLER_NAME = 1.
<VXWDY_CTX_NODE>-NODE_NAME = 1.
<VXWDY_CTX_NODE>-VERSION = 1.
ENDLOOP. LOOP AT IT_VXWDY_CTX_NODE INTO WA_VXWDY_CTX_NODE. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_VXWDY_CTX_NODE-NODE_TYPE, sy-vline,
WA_VXWDY_CTX_NODE-PARENT_NODE_NAME, sy-vline,
WA_VXWDY_CTX_NODE-NODE_POSITION, sy-vline,
WA_VXWDY_CTX_NODE-SUPPLY_FUNC_NAME, sy-vline,
WA_VXWDY_CTX_NODE-COLLECTION_TYPE, sy-vline,
WA_VXWDY_CTX_NODE-CARDINALITY, sy-vline.
ENDLOOP. *Add any further fields from structure WA_VXWDY_CTX_NODE 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_VXWDY_CTX_NODE 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_VXWDY_CTX_NODE INTO WA_VXWDY_CTX_NODE. *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.
ENDFORM. *&---------------------------------------------------------------------* *& Form process_as_string_field_values *&---------------------------------------------------------------------* FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO. TYPES: BEGIN OF T_VXWDY_CTX_NODE_STR,
VRSFLAG TYPE STRING,
COMPONENT_NAME TYPE STRING,
CONTROLLER_NAME TYPE STRING,
NODE_NAME TYPE STRING,
VERSION TYPE STRING,
NODE_TYPE TYPE STRING,
PARENT_NODE_NAME TYPE STRING,
NODE_POSITION TYPE STRING,
SUPPLY_FUNC_NAME TYPE STRING,
COLLECTION_TYPE TYPE STRING,
CARDINALITY TYPE STRING,
SELECTION TYPE STRING,
SINGLETON TYPE STRING,
DISPLAY_NAME TYPE STRING,
REPEATED_NODE TYPE STRING,
ABAP_TYPE TYPE STRING,
ABAP_TYPING TYPE STRING,
INIT_LEAD_SELECT TYPE STRING,
IS_INTF_ITEM TYPE STRING,
IS_INPUT_ELEMENT TYPE STRING,
PRIMARY_ATTR TYPE STRING,END OF T_EKKO_STR. DATA: WA_VXWDY_CTX_NODE_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_VXWDY_CTX_NODE_STR-VRSFLAG sy-vline
WA_VXWDY_CTX_NODE_STR-COMPONENT_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-CONTROLLER_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-NODE_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-VERSION sy-vline
WA_VXWDY_CTX_NODE_STR-NODE_TYPE sy-vline
WA_VXWDY_CTX_NODE_STR-PARENT_NODE_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-NODE_POSITION sy-vline
WA_VXWDY_CTX_NODE_STR-SUPPLY_FUNC_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-COLLECTION_TYPE sy-vline
WA_VXWDY_CTX_NODE_STR-CARDINALITY sy-vline
WA_VXWDY_CTX_NODE_STR-SELECTION sy-vline
WA_VXWDY_CTX_NODE_STR-SINGLETON sy-vline
WA_VXWDY_CTX_NODE_STR-DISPLAY_NAME sy-vline
WA_VXWDY_CTX_NODE_STR-REPEATED_NODE sy-vline
WA_VXWDY_CTX_NODE_STR-ABAP_TYPE sy-vline
WA_VXWDY_CTX_NODE_STR-ABAP_TYPING sy-vline
WA_VXWDY_CTX_NODE_STR-INIT_LEAD_SELECT sy-vline
WA_VXWDY_CTX_NODE_STR-IS_INTF_ITEM sy-vline
WA_VXWDY_CTX_NODE_STR-IS_INPUT_ELEMENT sy-vline
WA_VXWDY_CTX_NODE_STR-PRIMARY_ATTR sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.