ABAP Select data from SAP table DD02V_CHKRES 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 DD02V_CHKRES 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 DD02V_CHKRES. 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 DD02V_CHKRES 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_DD02V_CHKRES TYPE STANDARD TABLE OF DD02V_CHKRES, WA_DD02V_CHKRES TYPE DD02V_CHKRES, 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: <DD02V_CHKRES> TYPE DD02V_CHKRES. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_DD02V_CHKRES. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM DD02V_CHKRES INTO TABLE IT_DD02V_CHKRES. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM DD02V_CHKRES * INTO TABLE @DATA(IT_DD02V_CHKRES2). *--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_DD02V_CHKRES INDEX 1 INTO DATA(WA_DD02V_CHKRES2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_DD02V_CHKRES ASSIGNING <DD02V_CHKRES>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<DD02V_CHKRES>-TABNAME = 1.
<DD02V_CHKRES>-DELIVERYCLASS_CHG = 1.
<DD02V_CHKRES>-DELIVERYCLASS_OLD = 1.
<DD02V_CHKRES>-DELIVERYCLASS_NEW = 1.
<DD02V_CHKRES>-TABCLASS_CHG = 1.
ENDLOOP. LOOP AT IT_DD02V_CHKRES INTO WA_DD02V_CHKRES. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_DD02V_CHKRES-TABCLASS_OLD, sy-vline,
WA_DD02V_CHKRES-TABCLASS_NEW, sy-vline,
WA_DD02V_CHKRES-SQLTAB_CHG, sy-vline,
WA_DD02V_CHKRES-SQLTAB_OLD, sy-vline,
WA_DD02V_CHKRES-SQLTAB_NEW, sy-vline,
WA_DD02V_CHKRES-FIELD_CHG, sy-vline.
ENDLOOP. *Add any further fields from structure WA_DD02V_CHKRES 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_DD02V_CHKRES 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_DD02V_CHKRES INTO WA_DD02V_CHKRES. *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.
ENDFORM. *&---------------------------------------------------------------------* *& Form process_as_string_field_values *&---------------------------------------------------------------------* FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO. TYPES: BEGIN OF T_DD02V_CHKRES_STR,
TABNAME TYPE STRING,
DELIVERYCLASS_CHG TYPE STRING,
DELIVERYCLASS_OLD TYPE STRING,
DELIVERYCLASS_NEW TYPE STRING,
TABCLASS_CHG TYPE STRING,
TABCLASS_OLD TYPE STRING,
TABCLASS_NEW TYPE STRING,
SQLTAB_CHG TYPE STRING,
SQLTAB_OLD TYPE STRING,
SQLTAB_NEW TYPE STRING,
FIELD_CHG TYPE STRING,
KEY_CHG TYPE STRING,
DATA_LOSS TYPE STRING,
TABLE_CONVERSION TYPE STRING,
CHK_RC TYPE STRING,END OF T_EKKO_STR. DATA: WA_DD02V_CHKRES_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_DD02V_CHKRES_STR-TABNAME sy-vline
WA_DD02V_CHKRES_STR-DELIVERYCLASS_CHG sy-vline
WA_DD02V_CHKRES_STR-DELIVERYCLASS_OLD sy-vline
WA_DD02V_CHKRES_STR-DELIVERYCLASS_NEW sy-vline
WA_DD02V_CHKRES_STR-TABCLASS_CHG sy-vline
WA_DD02V_CHKRES_STR-TABCLASS_OLD sy-vline
WA_DD02V_CHKRES_STR-TABCLASS_NEW sy-vline
WA_DD02V_CHKRES_STR-SQLTAB_CHG sy-vline
WA_DD02V_CHKRES_STR-SQLTAB_OLD sy-vline
WA_DD02V_CHKRES_STR-SQLTAB_NEW sy-vline
WA_DD02V_CHKRES_STR-FIELD_CHG sy-vline
WA_DD02V_CHKRES_STR-KEY_CHG sy-vline
WA_DD02V_CHKRES_STR-DATA_LOSS sy-vline
WA_DD02V_CHKRES_STR-TABLE_CONVERSION sy-vline
WA_DD02V_CHKRES_STR-CHK_RC sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.