ABAP Select data from SAP table HUHDR_CAPACITY 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 HUHDR_CAPACITY 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 HUHDR_CAPACITY. 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 HUHDR_CAPACITY 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_HUHDR_CAPACITY TYPE STANDARD TABLE OF HUHDR_CAPACITY, WA_HUHDR_CAPACITY TYPE HUHDR_CAPACITY, 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: <HUHDR_CAPACITY> TYPE HUHDR_CAPACITY. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_HUHDR_CAPACITY. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM HUHDR_CAPACITY INTO TABLE IT_HUHDR_CAPACITY. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM HUHDR_CAPACITY * INTO TABLE @DATA(IT_HUHDR_CAPACITY2). *--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_HUHDR_CAPACITY INDEX 1 INTO DATA(WA_HUHDR_CAPACITY2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_HUHDR_CAPACITY ASSIGNING <HUHDR_CAPACITY>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<HUHDR_CAPACITY>-EXIDV = 1.
<HUHDR_CAPACITY>-TARAG = 1.
<HUHDR_CAPACITY>-GEWEI = 1.
<HUHDR_CAPACITY>-MAGEW = 1.
<HUHDR_CAPACITY>-NTGEW = 1.
ENDLOOP. LOOP AT IT_HUHDR_CAPACITY INTO WA_HUHDR_CAPACITY. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_HUHDR_CAPACITY-BRGEW, sy-vline,
WA_HUHDR_CAPACITY-GEWEI_MAX, sy-vline,
WA_HUHDR_CAPACITY-GEWTO, sy-vline,
WA_HUHDR_CAPACITY-TAVOL, sy-vline,
WA_HUHDR_CAPACITY-VOLEH, sy-vline,
WA_HUHDR_CAPACITY-MAVOL, sy-vline.
ENDLOOP. *Add any further fields from structure WA_HUHDR_CAPACITY 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_HUHDR_CAPACITY 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_HUHDR_CAPACITY INTO WA_HUHDR_CAPACITY. *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 EXIDV CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-EXIDV IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-EXIDV.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field GEWEI CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-GEWEI IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-GEWEI.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field GEWEI_MAX CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-GEWEI_MAX IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-GEWEI_MAX.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field VOLEH CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-VOLEH IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-VOLEH.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field VOLEH_MAX CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-VOLEH_MAX IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-VOLEH_MAX.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field MEABM CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_HUHDR_CAPACITY-MEABM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_HUHDR_CAPACITY-MEABM.
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_HUHDR_CAPACITY_STR,
EXIDV TYPE STRING,
TARAG TYPE STRING,
GEWEI TYPE STRING,
MAGEW TYPE STRING,
NTGEW TYPE STRING,
BRGEW TYPE STRING,
GEWEI_MAX TYPE STRING,
GEWTO TYPE STRING,
TAVOL TYPE STRING,
VOLEH TYPE STRING,
MAVOL TYPE STRING,
NTVOL TYPE STRING,
BTVOL TYPE STRING,
VOLEH_MAX TYPE STRING,
VOLTO TYPE STRING,
GEWFX TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
MEABM TYPE STRING,END OF T_EKKO_STR. DATA: WA_HUHDR_CAPACITY_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_HUHDR_CAPACITY_STR-EXIDV sy-vline
WA_HUHDR_CAPACITY_STR-TARAG sy-vline
WA_HUHDR_CAPACITY_STR-GEWEI sy-vline
WA_HUHDR_CAPACITY_STR-MAGEW sy-vline
WA_HUHDR_CAPACITY_STR-NTGEW sy-vline
WA_HUHDR_CAPACITY_STR-BRGEW sy-vline
WA_HUHDR_CAPACITY_STR-GEWEI_MAX sy-vline
WA_HUHDR_CAPACITY_STR-GEWTO sy-vline
WA_HUHDR_CAPACITY_STR-TAVOL sy-vline
WA_HUHDR_CAPACITY_STR-VOLEH sy-vline
WA_HUHDR_CAPACITY_STR-MAVOL sy-vline
WA_HUHDR_CAPACITY_STR-NTVOL sy-vline
WA_HUHDR_CAPACITY_STR-BTVOL sy-vline
WA_HUHDR_CAPACITY_STR-VOLEH_MAX sy-vline
WA_HUHDR_CAPACITY_STR-VOLTO sy-vline
WA_HUHDR_CAPACITY_STR-GEWFX sy-vline
WA_HUHDR_CAPACITY_STR-LAENG sy-vline
WA_HUHDR_CAPACITY_STR-BREIT sy-vline
WA_HUHDR_CAPACITY_STR-HOEHE sy-vline
WA_HUHDR_CAPACITY_STR-MEABM sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.