ABAP Select data from SAP table CATSCOMP2 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 CATSCOMP2 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 CATSCOMP2. 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 CATSCOMP2 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_CATSCOMP2 TYPE STANDARD TABLE OF CATSCOMP2, WA_CATSCOMP2 TYPE CATSCOMP2, 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: <CATSCOMP2> TYPE CATSCOMP2. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_CATSCOMP2. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM CATSCOMP2 INTO TABLE IT_CATSCOMP2. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM CATSCOMP2 * INTO TABLE @DATA(IT_CATSCOMP22). *--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_CATSCOMP2 INDEX 1 INTO DATA(WA_CATSCOMP22). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_CATSCOMP2 ASSIGNING <CATSCOMP2>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<CATSCOMP2>-SKOSTL = 1.
<CATSCOMP2>-LSTAR = 1.
<CATSCOMP2>-SEBELN = 1.
<CATSCOMP2>-SEBELP = 1.
<CATSCOMP2>-SPRZNR = 1.
ENDLOOP. LOOP AT IT_CATSCOMP2 INTO WA_CATSCOMP2. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CATSCOMP2-LSTNR, sy-vline,
WA_CATSCOMP2-RKOSTL, sy-vline,
WA_CATSCOMP2-RPROJ, sy-vline,
WA_CATSCOMP2-RAUFNR, sy-vline,
WA_CATSCOMP2-RNPLNR, sy-vline,
WA_CATSCOMP2-RAUFPL, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CATSCOMP2 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_CATSCOMP2 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_CATSCOMP2 INTO WA_CATSCOMP2. *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 ALPHA, internal->external for field SKOSTL CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-SKOSTL IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-SKOSTL.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field SEBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-SEBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-SEBELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field SPRZNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-SPRZNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-SPRZNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field LSTNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-LSTNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-LSTNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RKOSTL CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-RKOSTL IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RKOSTL.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ABPSP, internal->external for field RPROJ CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT' EXPORTING input = WA_CATSCOMP2-RPROJ IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RPROJ.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RAUFNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-RAUFNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RAUFNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RNPLNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-RNPLNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RNPLNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RKDAUF CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-RKDAUF IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RKDAUF.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RPRZNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-RPRZNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-RPRZNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field GRANT_NBR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-GRANT_NBR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field S_GRANT_NBR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-S_GRANT_NBR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-S_GRANT_NBR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field SERVICE_DOC_ID CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CATSCOMP2-SERVICE_DOC_ID IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CATSCOMP2-SERVICE_DOC_ID.
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_CATSCOMP2_STR,
SKOSTL TYPE STRING,
LSTAR TYPE STRING,
SEBELN TYPE STRING,
SEBELP TYPE STRING,
SPRZNR TYPE STRING,
LSTNR TYPE STRING,
RKOSTL TYPE STRING,
RPROJ TYPE STRING,
RAUFNR TYPE STRING,
RNPLNR TYPE STRING,
RAUFPL TYPE STRING,
RAPLZL TYPE STRING,
RKDAUF TYPE STRING,
RKDPOS TYPE STRING,
RKSTR TYPE STRING,
RPRZNR TYPE STRING,
PAOBJNR TYPE STRING,
FUND TYPE STRING,
FUNC_AREA TYPE STRING,
GRANT_NBR TYPE STRING,
S_FUND TYPE STRING,
S_FUNC_AREA TYPE STRING,
S_GRANT_NBR TYPE STRING,
BUDGET_PD TYPE STRING,
SBUDGET_PD TYPE STRING,
SERVICE_DOC_TYPE TYPE STRING,
SERVICE_DOC_ID TYPE STRING,
SERVICE_DOC_ITEM_ID TYPE STRING,
OVERTIMECAT TYPE STRING,
WORK_ITEM_ID TYPE STRING,
KAPAR TYPE STRING,
SPLIT TYPE STRING,END OF T_EKKO_STR. DATA: WA_CATSCOMP2_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_CATSCOMP2_STR-SKOSTL sy-vline
WA_CATSCOMP2_STR-LSTAR sy-vline
WA_CATSCOMP2_STR-SEBELN sy-vline
WA_CATSCOMP2_STR-SEBELP sy-vline
WA_CATSCOMP2_STR-SPRZNR sy-vline
WA_CATSCOMP2_STR-LSTNR sy-vline
WA_CATSCOMP2_STR-RKOSTL sy-vline
WA_CATSCOMP2_STR-RPROJ sy-vline
WA_CATSCOMP2_STR-RAUFNR sy-vline
WA_CATSCOMP2_STR-RNPLNR sy-vline
WA_CATSCOMP2_STR-RAUFPL sy-vline
WA_CATSCOMP2_STR-RAPLZL sy-vline
WA_CATSCOMP2_STR-RKDAUF sy-vline
WA_CATSCOMP2_STR-RKDPOS sy-vline
WA_CATSCOMP2_STR-RKSTR sy-vline
WA_CATSCOMP2_STR-RPRZNR sy-vline
WA_CATSCOMP2_STR-PAOBJNR sy-vline
WA_CATSCOMP2_STR-FUND sy-vline
WA_CATSCOMP2_STR-FUNC_AREA sy-vline
WA_CATSCOMP2_STR-GRANT_NBR sy-vline
WA_CATSCOMP2_STR-S_FUND sy-vline
WA_CATSCOMP2_STR-S_FUNC_AREA sy-vline
WA_CATSCOMP2_STR-S_GRANT_NBR sy-vline
WA_CATSCOMP2_STR-BUDGET_PD sy-vline
WA_CATSCOMP2_STR-SBUDGET_PD sy-vline
WA_CATSCOMP2_STR-SERVICE_DOC_TYPE sy-vline
WA_CATSCOMP2_STR-SERVICE_DOC_ID sy-vline
WA_CATSCOMP2_STR-SERVICE_DOC_ITEM_ID sy-vline
WA_CATSCOMP2_STR-OVERTIMECAT sy-vline
WA_CATSCOMP2_STR-WORK_ITEM_ID sy-vline
WA_CATSCOMP2_STR-KAPAR sy-vline
WA_CATSCOMP2_STR-SPLIT sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.