ABAP Select data from SAP table USR21S 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 USR21S 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 USR21S. 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 USR21S 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_USR21S TYPE STANDARD TABLE OF USR21S, WA_USR21S TYPE USR21S, 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: <USR21S> TYPE USR21S. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_USR21S. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM USR21S INTO TABLE IT_USR21S. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM USR21S * INTO TABLE @DATA(IT_USR21S2). *--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_USR21S INDEX 1 INTO DATA(WA_USR21S2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_USR21S ASSIGNING <USR21S>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<USR21S>-MANDT = 1.
<USR21S>-TRKORR = 1.
<USR21S>-BNAME = 1.
<USR21S>-PERSNUMBER = 1.
<USR21S>-ADDRNUMBER = 1.
ENDLOOP. LOOP AT IT_USR21S INTO WA_USR21S. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_USR21S-KOSTL, sy-vline,
WA_USR21S-START_MENU, sy-vline,
WA_USR21S-IDADTYPE, sy-vline,
WA_USR21S-BPPERSON, sy-vline,
WA_USR21S-ORGANIZATION, sy-vline,
WA_USR21S-RESPONSIBLE, sy-vline.
ENDLOOP. *Add any further fields from structure WA_USR21S 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_USR21S 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_USR21S INTO WA_USR21S. *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 PERSNUMBER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_USR21S-PERSNUMBER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_USR21S-PERSNUMBER.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field ADDRNUMBER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_USR21S-ADDRNUMBER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_USR21S-ADDRNUMBER.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field TEMPLATE_ORGADDR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_USR21S-TEMPLATE_ORGADDR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_USR21S-TEMPLATE_ORGADDR.
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_USR21S_STR,
MANDT TYPE STRING,
TRKORR TYPE STRING,
BNAME TYPE STRING,
PERSNUMBER TYPE STRING,
ADDRNUMBER TYPE STRING,
KOSTL TYPE STRING,
START_MENU TYPE STRING,
IDADTYPE TYPE STRING,
BPPERSON TYPE STRING,
ORGANIZATION TYPE STRING,
RESPONSIBLE TYPE STRING,
TECHDESC TYPE STRING,
IDENTITY_GUID TYPE STRING,
TEMPLATE_ORGTYPE TYPE STRING,
TEMPLATE_ORGADDR TYPE STRING,END OF T_EKKO_STR. DATA: WA_USR21S_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_USR21S_STR-MANDT sy-vline
WA_USR21S_STR-TRKORR sy-vline
WA_USR21S_STR-BNAME sy-vline
WA_USR21S_STR-PERSNUMBER sy-vline
WA_USR21S_STR-ADDRNUMBER sy-vline
WA_USR21S_STR-KOSTL sy-vline
WA_USR21S_STR-START_MENU sy-vline
WA_USR21S_STR-IDADTYPE sy-vline
WA_USR21S_STR-BPPERSON sy-vline
WA_USR21S_STR-ORGANIZATION sy-vline
WA_USR21S_STR-RESPONSIBLE sy-vline
WA_USR21S_STR-TECHDESC sy-vline
WA_USR21S_STR-IDENTITY_GUID sy-vline
WA_USR21S_STR-TEMPLATE_ORGTYPE sy-vline
WA_USR21S_STR-TEMPLATE_ORGADDR sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.