ABAP Select data from SAP table /SAPAPO/CAPREV_DISP_RELINFO 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 /SAPAPO/CAPREV_DISP_RELINFO 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 /SAPAPO/CAPREV_DISP_RELINFO. 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 /SAPAPO/CAPREV_DISP_RELINFO 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_/SAPAPO/CAPREV_DISP_RELINFO TYPE STANDARD TABLE OF /SAPAPO/CAPREV_DISP_RELINFO, WA_/SAPAPO/CAPREV_DISP_RELINFO TYPE /SAPAPO/CAPREV_DISP_RELINFO, 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: </SAPAPO/CAPREV_DISP_RELINFO> TYPE /SAPAPO/CAPREV_DISP_RELINFO. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/CAPREV_DISP_RELINFO. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM /SAPAPO/CAPREV_DISP_RELINFO INTO TABLE IT_/SAPAPO/CAPREV_DISP_RELINFO. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM /SAPAPO/CAPREV_DISP_RELINFO * INTO TABLE @DATA(IT_/SAPAPO/CAPREV_DISP_RELINFO2). *--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_/SAPAPO/CAPREV_DISP_RELINFO INDEX 1 INTO DATA(WA_/SAPAPO/CAPREV_DISP_RELINFO2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_/SAPAPO/CAPREV_DISP_RELINFO ASSIGNING </SAPAPO/CAPREV_DISP_RELINFO>.*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CAPREV_DISP_RELINFO>-SIMVERSID = 1.
</SAPAPO/CAPREV_DISP_RELINFO>-RESNAME = 1.
</SAPAPO/CAPREV_DISP_RELINFO>-CHARID = 1.
</SAPAPO/CAPREV_DISP_RELINFO>-RESV_CHAR = 1.
</SAPAPO/CAPREV_DISP_RELINFO>-CHAR_VALUE = 1.
ENDLOOP. LOOP AT IT_/SAPAPO/CAPREV_DISP_RELINFO INTO WA_/SAPAPO/CAPREV_DISP_RELINFO. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_/SAPAPO/CAPREV_DISP_RELINFO-BUCKET_SDATE, sy-vline,
WA_/SAPAPO/CAPREV_DISP_RELINFO-CAPACITY, sy-vline,
WA_/SAPAPO/CAPREV_DISP_RELINFO-CAPACITY_UNIT, sy-vline,
WA_/SAPAPO/CAPREV_DISP_RELINFO-RELEASE_DATE, sy-vline,
ENDLOOP. *Add any further fields from structure WA_/SAPAPO/CAPREV_DISP_RELINFO 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_/SAPAPO/CAPREV_DISP_RELINFO 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_/SAPAPO/CAPREV_DISP_RELINFO INTO WA_/SAPAPO/CAPREV_DISP_RELINFO. *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 RESVC, internal->external for field CHAR_VALUE CALL FUNCTION 'CONVERSION_EXIT_RESVC_OUTPUT' EXPORTING input = WA_/SAPAPO/CAPREV_DISP_RELINFO-CHAR_VALUE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CAPREV_DISP_RELINFO-CHAR_VALUE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit CUNIT, internal->external for field CAPACITY_UNIT CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_/SAPAPO/CAPREV_DISP_RELINFO-CAPACITY_UNIT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CAPREV_DISP_RELINFO-CAPACITY_UNIT.
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_/SAPAPO/CAPREV_DISP_RELINFO_STR,
SIMVERSID TYPE STRING,
RESNAME TYPE STRING,
CHARID TYPE STRING,
RESV_CHAR TYPE STRING,
CHAR_VALUE TYPE STRING,
BUCKET_SDATE TYPE STRING,
CAPACITY TYPE STRING,
CAPACITY_UNIT TYPE STRING,
RELEASE_DATE TYPE STRING,END OF T_EKKO_STR. DATA: WA_/SAPAPO/CAPREV_DISP_RELINFO_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_/SAPAPO/CAPREV_DISP_RELINFO_STR-SIMVERSID sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-RESNAME sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-CHARID sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-RESV_CHAR sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-CHAR_VALUE sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-BUCKET_SDATE sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-CAPACITY sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-CAPACITY_UNIT sy-vline
WA_/SAPAPO/CAPREV_DISP_RELINFO_STR-RELEASE_DATE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.