ABAP Select data from SAP table WCB_DOC_DATA 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 WCB_DOC_DATA 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 WCB_DOC_DATA. 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 WCB_DOC_DATA 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_WCB_DOC_DATA TYPE STANDARD TABLE OF WCB_DOC_DATA, WA_WCB_DOC_DATA TYPE WCB_DOC_DATA, 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: <WCB_DOC_DATA> TYPE WCB_DOC_DATA. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_WCB_DOC_DATA. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM WCB_DOC_DATA INTO TABLE IT_WCB_DOC_DATA. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM WCB_DOC_DATA * INTO TABLE @DATA(IT_WCB_DOC_DATA2). *--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_WCB_DOC_DATA INDEX 1 INTO DATA(WA_WCB_DOC_DATA2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_WCB_DOC_DATA ASSIGNING <WCB_DOC_DATA>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<WCB_DOC_DATA>-WCOCOI_TAB = 1.
<WCB_DOC_DATA>-WCOCOF_TAB = 1.
<WCB_DOC_DATA>-WCOCOP_TAB = 1.
<WCB_DOC_DATA>-KONDIND_TAB = 1.
<WCB_DOC_DATA>-KONH_TAB = 1.
ENDLOOP. LOOP AT IT_WCB_DOC_DATA INTO WA_WCB_DOC_DATA. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_WCB_DOC_DATA-KONP_TAB, sy-vline,
WA_WCB_DOC_DATA-KONM_TAB, sy-vline,
WA_WCB_DOC_DATA-KONW_TAB, sy-vline,
WA_WCB_DOC_DATA-SDKONDARCH_TAB, sy-vline,
WA_WCB_DOC_DATA-VFKONX_TAB, sy-vline,
WA_WCB_DOC_DATA-VFSCAR1_TAB, sy-vline.
ENDLOOP. *Add any further fields from structure WA_WCB_DOC_DATA 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_WCB_DOC_DATA 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_WCB_DOC_DATA INTO WA_WCB_DOC_DATA. *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_WCB_DOC_DATA_STR,
WCOCOI_TAB TYPE STRING,
WCOCOF_TAB TYPE STRING,
WCOCOP_TAB TYPE STRING,
KONDIND_TAB TYPE STRING,
KONH_TAB TYPE STRING,
KONP_TAB TYPE STRING,
KONM_TAB TYPE STRING,
KONW_TAB TYPE STRING,
SDKONDARCH_TAB TYPE STRING,
VFKONX_TAB TYPE STRING,
VFSCAR1_TAB TYPE STRING,
VFSCAR2_TAB TYPE STRING,
VFSCAR3_TAB TYPE STRING,
BVB_TAB TYPE STRING,
CAL_TAB TYPE STRING,
WBRF_TAB TYPE STRING,
BVB_SETTL_TAB TYPE STRING,
BVDETAIL_TAB TYPE STRING,END OF T_EKKO_STR. DATA: WA_WCB_DOC_DATA_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_WCB_DOC_DATA_STR-WCOCOI_TAB sy-vline
WA_WCB_DOC_DATA_STR-WCOCOF_TAB sy-vline
WA_WCB_DOC_DATA_STR-WCOCOP_TAB sy-vline
WA_WCB_DOC_DATA_STR-KONDIND_TAB sy-vline
WA_WCB_DOC_DATA_STR-KONH_TAB sy-vline
WA_WCB_DOC_DATA_STR-KONP_TAB sy-vline
WA_WCB_DOC_DATA_STR-KONM_TAB sy-vline
WA_WCB_DOC_DATA_STR-KONW_TAB sy-vline
WA_WCB_DOC_DATA_STR-SDKONDARCH_TAB sy-vline
WA_WCB_DOC_DATA_STR-VFKONX_TAB sy-vline
WA_WCB_DOC_DATA_STR-VFSCAR1_TAB sy-vline
WA_WCB_DOC_DATA_STR-VFSCAR2_TAB sy-vline
WA_WCB_DOC_DATA_STR-VFSCAR3_TAB sy-vline
WA_WCB_DOC_DATA_STR-BVB_TAB sy-vline
WA_WCB_DOC_DATA_STR-CAL_TAB sy-vline
WA_WCB_DOC_DATA_STR-WBRF_TAB sy-vline
WA_WCB_DOC_DATA_STR-BVB_SETTL_TAB sy-vline
WA_WCB_DOC_DATA_STR-BVDETAIL_TAB sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.