ABAP Select data from SAP table TCGS1 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 TCGS1 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 TCGS1. 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 TCGS1 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_TCGS1 TYPE STANDARD TABLE OF TCGS1, WA_TCGS1 TYPE TCGS1, 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: <TCGS1> TYPE TCGS1. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_TCGS1. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM TCGS1 INTO TABLE IT_TCGS1. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM TCGS1 * INTO TABLE @DATA(IT_TCGS12). *--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_TCGS1 INDEX 1 INTO DATA(WA_TCGS12). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_TCGS1 ASSIGNING <TCGS1>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<TCGS1>-SPOOLDEST = 1.
<TCGS1>-RFCDEST = 1.
<TCGS1>-DOCPATH = 1.
<TCGS1>-POLLWAIT = 1.
<TCGS1>-POLLRETRY = 1.
ENDLOOP. LOOP AT IT_TCGS1 INTO WA_TCGS1. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, ENDLOOP. *Add any further fields from structure WA_TCGS1 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_TCGS1 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_TCGS1 INTO WA_TCGS1. *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 SPDEV, internal->external for field SPOOLDEST CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT' EXPORTING input = WA_TCGS1-SPOOLDEST IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_TCGS1-SPOOLDEST.
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_TCGS1_STR,
SPOOLDEST TYPE STRING,
RFCDEST TYPE STRING,
DOCPATH TYPE STRING,
POLLWAIT TYPE STRING,
POLLRETRY TYPE STRING,END OF T_EKKO_STR. DATA: WA_TCGS1_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_TCGS1_STR-SPOOLDEST sy-vline
WA_TCGS1_STR-RFCDEST sy-vline
WA_TCGS1_STR-DOCPATH sy-vline
WA_TCGS1_STR-POLLWAIT sy-vline
WA_TCGS1_STR-POLLRETRY sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.