ABAP Select data from SAP table UPOT_UDM_ALCRESV 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 UPOT_UDM_ALCRESV 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 UPOT_UDM_ALCRESV. 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 UPOT_UDM_ALCRESV 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_UPOT_UDM_ALCRESV TYPE STANDARD TABLE OF UPOT_UDM_ALCRESV, WA_UPOT_UDM_ALCRESV TYPE UPOT_UDM_ALCRESV, 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: <UPOT_UDM_ALCRESV> TYPE UPOT_UDM_ALCRESV. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_UPOT_UDM_ALCRESV. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM UPOT_UDM_ALCRESV INTO TABLE IT_UPOT_UDM_ALCRESV. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM UPOT_UDM_ALCRESV * INTO TABLE @DATA(IT_UPOT_UDM_ALCRESV2). *--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_UPOT_UDM_ALCRESV INDEX 1 INTO DATA(WA_UPOT_UDM_ALCRESV2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_UPOT_UDM_ALCRESV ASSIGNING <UPOT_UDM_ALCRESV>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPOT_UDM_ALCRESV>-MANDT = 1.
<UPOT_UDM_ALCRESV>-NETID = 1.
<UPOT_UDM_ALCRESV>-PROD_DATE = 1.
<UPOT_UDM_ALCRESV>-PROD_TIME = 1.
<UPOT_UDM_ALCRESV>-UOM = 1.
ENDLOOP. LOOP AT IT_UPOT_UDM_ALCRESV INTO WA_UPOT_UDM_ALCRESV. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_UPOT_UDM_ALCRESV-ALLOC_FREQUENCY, sy-vline,
WA_UPOT_UDM_ALCRESV-MEDIUM, sy-vline,
WA_UPOT_UDM_ALCRESV-AFFECTED_OBJECT, sy-vline,
WA_UPOT_UDM_ALCRESV-DOC_NUM, sy-vline,
WA_UPOT_UDM_ALCRESV-DOC_YEAR, sy-vline,
WA_UPOT_UDM_ALCRESV-SYSTEM_CAPACITY, sy-vline.
ENDLOOP. *Add any further fields from structure WA_UPOT_UDM_ALCRESV 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_UPOT_UDM_ALCRESV 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_UPOT_UDM_ALCRESV INTO WA_UPOT_UDM_ALCRESV. *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 TPLNR, internal->external for field NETID CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT' EXPORTING input = WA_UPOT_UDM_ALCRESV-NETID IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_UPOT_UDM_ALCRESV-NETID.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field UOM CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_UPOT_UDM_ALCRESV-UOM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_UPOT_UDM_ALCRESV-UOM.
WRITE:/ 'New Value:', ld_input.
*Conversion exit TPLNR, internal->external for field AFFECTED_OBJECT CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT' EXPORTING input = WA_UPOT_UDM_ALCRESV-AFFECTED_OBJECT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_UPOT_UDM_ALCRESV-AFFECTED_OBJECT.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field DOC_NUM CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_UPOT_UDM_ALCRESV-DOC_NUM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_UPOT_UDM_ALCRESV-DOC_NUM.
WRITE:/ 'New Value:', ld_input.
*Conversion exit GJAHR, internal->external for field DOC_YEAR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_UPOT_UDM_ALCRESV-DOC_YEAR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_UPOT_UDM_ALCRESV-DOC_YEAR.
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_UPOT_UDM_ALCRESV_STR,
MANDT TYPE STRING,
NETID TYPE STRING,
PROD_DATE TYPE STRING,
PROD_TIME TYPE STRING,
UOM TYPE STRING,
ALLOC_FREQUENCY TYPE STRING,
MEDIUM TYPE STRING,
AFFECTED_OBJECT TYPE STRING,
DOC_NUM TYPE STRING,
DOC_YEAR TYPE STRING,
SYSTEM_CAPACITY TYPE STRING,
ALLOC_QUANTITY TYPE STRING,
IS_FINAL TYPE STRING,END OF T_EKKO_STR. DATA: WA_UPOT_UDM_ALCRESV_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_UPOT_UDM_ALCRESV_STR-MANDT sy-vline
WA_UPOT_UDM_ALCRESV_STR-NETID sy-vline
WA_UPOT_UDM_ALCRESV_STR-PROD_DATE sy-vline
WA_UPOT_UDM_ALCRESV_STR-PROD_TIME sy-vline
WA_UPOT_UDM_ALCRESV_STR-UOM sy-vline
WA_UPOT_UDM_ALCRESV_STR-ALLOC_FREQUENCY sy-vline
WA_UPOT_UDM_ALCRESV_STR-MEDIUM sy-vline
WA_UPOT_UDM_ALCRESV_STR-AFFECTED_OBJECT sy-vline
WA_UPOT_UDM_ALCRESV_STR-DOC_NUM sy-vline
WA_UPOT_UDM_ALCRESV_STR-DOC_YEAR sy-vline
WA_UPOT_UDM_ALCRESV_STR-SYSTEM_CAPACITY sy-vline
WA_UPOT_UDM_ALCRESV_STR-ALLOC_QUANTITY sy-vline
WA_UPOT_UDM_ALCRESV_STR-IS_FINAL sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.