ABAP Select data from SAP table CRMST_KB_ENTITY 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 CRMST_KB_ENTITY 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 CRMST_KB_ENTITY. 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 CRMST_KB_ENTITY 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_CRMST_KB_ENTITY TYPE STANDARD TABLE OF CRMST_KB_ENTITY, WA_CRMST_KB_ENTITY TYPE CRMST_KB_ENTITY, 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: <CRMST_KB_ENTITY> TYPE CRMST_KB_ENTITY. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_CRMST_KB_ENTITY. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM CRMST_KB_ENTITY INTO TABLE IT_CRMST_KB_ENTITY. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM CRMST_KB_ENTITY * INTO TABLE @DATA(IT_CRMST_KB_ENTITY2). *--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_CRMST_KB_ENTITY INDEX 1 INTO DATA(WA_CRMST_KB_ENTITY2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_CRMST_KB_ENTITY ASSIGNING <CRMST_KB_ENTITY>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMST_KB_ENTITY>-KB_NAME = 1.
<CRMST_KB_ENTITY>-KBID = 1.
<CRMST_KB_ENTITY>-LANGU = 1.
<CRMST_KB_ENTITY>-FEEDBACK_ID = 1.
<CRMST_KB_ENTITY>-FEEDBACK = 1.
ENDLOOP. LOOP AT IT_CRMST_KB_ENTITY INTO WA_CRMST_KB_ENTITY. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CRMST_KB_ENTITY-FEEDBACK_TXT, sy-vline,
WA_CRMST_KB_ENTITY-MEDIUM, sy-vline,
WA_CRMST_KB_ENTITY-KB_DESCRIPTION, sy-vline,
WA_CRMST_KB_ENTITY-TOOLTIP, sy-vline,
WA_CRMST_KB_ENTITY-CHECKED, sy-vline,
WA_CRMST_KB_ENTITY-MEDIUM_TXT, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CRMST_KB_ENTITY 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_CRMST_KB_ENTITY 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_CRMST_KB_ENTITY INTO WA_CRMST_KB_ENTITY. *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 LANGU CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_CRMST_KB_ENTITY-LANGU IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CRMST_KB_ENTITY-LANGU.
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_CRMST_KB_ENTITY_STR,
KB_NAME TYPE STRING,
KBID TYPE STRING,
LANGU TYPE STRING,
FEEDBACK_ID TYPE STRING,
FEEDBACK TYPE STRING,
FEEDBACK_TXT TYPE STRING,
MEDIUM TYPE STRING,
KB_DESCRIPTION TYPE STRING,
TOOLTIP TYPE STRING,
CHECKED TYPE STRING,
MEDIUM_TXT TYPE STRING,
RANK TYPE STRING,
TYPE TYPE STRING,
CLUSTERID TYPE STRING,
ISMNR TYPE STRING,
ISLNR TYPE STRING,END OF T_EKKO_STR. DATA: WA_CRMST_KB_ENTITY_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_CRMST_KB_ENTITY_STR-KB_NAME sy-vline
WA_CRMST_KB_ENTITY_STR-KBID sy-vline
WA_CRMST_KB_ENTITY_STR-LANGU sy-vline
WA_CRMST_KB_ENTITY_STR-FEEDBACK_ID sy-vline
WA_CRMST_KB_ENTITY_STR-FEEDBACK sy-vline
WA_CRMST_KB_ENTITY_STR-FEEDBACK_TXT sy-vline
WA_CRMST_KB_ENTITY_STR-MEDIUM sy-vline
WA_CRMST_KB_ENTITY_STR-KB_DESCRIPTION sy-vline
WA_CRMST_KB_ENTITY_STR-TOOLTIP sy-vline
WA_CRMST_KB_ENTITY_STR-CHECKED sy-vline
WA_CRMST_KB_ENTITY_STR-MEDIUM_TXT sy-vline
WA_CRMST_KB_ENTITY_STR-RANK sy-vline
WA_CRMST_KB_ENTITY_STR-TYPE sy-vline
WA_CRMST_KB_ENTITY_STR-CLUSTERID sy-vline
WA_CRMST_KB_ENTITY_STR-ISMNR sy-vline
WA_CRMST_KB_ENTITY_STR-ISLNR sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.