SAP K810002 ABAP Select data from SAP table
Below is a number of ABAP code snippets to demonstrate how to select data from SAP K810002 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 K810002. 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 K810002 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_K810002 TYPE STANDARD TABLE OF K810002,
WA_K810002 TYPE K810002,
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: <K810002> TYPE K810002.
*Process all fields in table header/work area as string values
PERFORM process_as_string_field_values CHANGING wa_K810002.
SELECT *
*restrict ABAP select to first 10 rows
UP TO 10 ROWS
FROM K810002
INTO TABLE IT_K810002.
*Select data and declare internal table using in-line method @DATA
*SELECT *
* FROM K810002
* INTO TABLE @DATA(IT_K8100022).
*--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_K810002 INDEX 1 INTO DATA(WA_K8100022).
*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_K810002 ASSIGNING <K810002>.
*To update a field value using a field symbol simply change the value via the field symbol pointer<K810002>-TRKEYNR = 1.
<K810002>-GJAHR = 1.
<K810002>-PERDE = 1.
<K810002>-VRGAR = 1.
<K810002>-PALEDGER = 1.
ENDLOOP. LOOP AT IT_K810002 INTO WA_K810002. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_K810002-ABSMG_ME, sy-vline,
WA_K810002-ABSMG, sy-vline,
WA_K810002-ERLOS, sy-vline,
WA_K810002-VV001, sy-vline,
ENDLOOP. *Add any further fields from structure WA_K810002 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_K810002 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_K810002 INTO WA_K810002. *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 GJAHR, internal->external for field GJAHR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_K810002-GJAHR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_K810002-GJAHR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit LEDBO, internal->external for field PALEDGER CALL FUNCTION 'CONVERSION_EXIT_LEDBO_OUTPUT' EXPORTING input = WA_K810002-PALEDGER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_K810002-PALEDGER.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field ABSMG_ME CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_K810002-ABSMG_ME IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_K810002-ABSMG_ME.
WRITE:/ 'New Value:', ld_input.
*Conversion exit AC152, internal->external for field ERLOS CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT' EXPORTING input = WA_K810002-ERLOS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_K810002-ERLOS.
WRITE:/ 'New Value:', ld_input.
*Conversion exit AC152, internal->external for field VV001 CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT' EXPORTING input = WA_K810002-VV001 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_K810002-VV001.
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_K810002_STR,
TRKEYNR TYPE STRING,
GJAHR TYPE STRING,
PERDE TYPE STRING,
VRGAR TYPE STRING,
PALEDGER TYPE STRING,
ABSMG_ME TYPE STRING,
ABSMG TYPE STRING,
ERLOS TYPE STRING,
VV001 TYPE STRING,END OF T_EKKO_STR. DATA: WA_K810002_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_K810002_STR-TRKEYNR sy-vline
WA_K810002_STR-GJAHR sy-vline
WA_K810002_STR-PERDE sy-vline
WA_K810002_STR-VRGAR sy-vline
WA_K810002_STR-PALEDGER sy-vline
WA_K810002_STR-ABSMG_ME sy-vline
WA_K810002_STR-ABSMG sy-vline
WA_K810002_STR-ERLOS sy-vline
WA_K810002_STR-VV001 sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.
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