ABAP Select data from SAP table GRACREQ 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 GRACREQ 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 GRACREQ. 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 GRACREQ 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_GRACREQ TYPE STANDARD TABLE OF GRACREQ, WA_GRACREQ TYPE GRACREQ, 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: <GRACREQ> TYPE GRACREQ. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_GRACREQ. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM GRACREQ INTO TABLE IT_GRACREQ. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM GRACREQ * INTO TABLE @DATA(IT_GRACREQ2). *--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_GRACREQ INDEX 1 INTO DATA(WA_GRACREQ2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_GRACREQ ASSIGNING <GRACREQ>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRACREQ>-MANDT = 1.
<GRACREQ>-REQ_ID = 1.
<GRACREQ>-REQNO = 1.
<GRACREQ>-REQ_CREATED = 1.
<GRACREQ>-DUEDATE = 1.
ENDLOOP. LOOP AT IT_GRACREQ INTO WA_GRACREQ. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_GRACREQ-REQTYPE, sy-vline,
WA_GRACREQ-PRIORITY, sy-vline,
WA_GRACREQ-BPROC, sy-vline,
WA_GRACREQ-FUNCAREA, sy-vline,
WA_GRACREQ-REQ_COMPLETED, sy-vline,
WA_GRACREQ-BGJOBID, sy-vline.
ENDLOOP. *Add any further fields from structure WA_GRACREQ 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_GRACREQ 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_GRACREQ INTO WA_GRACREQ. *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_GRACREQ_STR,
MANDT TYPE STRING,
REQ_ID TYPE STRING,
REQNO TYPE STRING,
REQ_CREATED TYPE STRING,
DUEDATE TYPE STRING,
REQTYPE TYPE STRING,
PRIORITY TYPE STRING,
BPROC TYPE STRING,
FUNCAREA TYPE STRING,
REQ_COMPLETED TYPE STRING,
BGJOBID TYPE STRING,
BGJOBCNT TYPE STRING,
TEMPLATE_ID TYPE STRING,
STATUS TYPE STRING,
MSMP_PROCESS_ID TYPE STRING,
REQ_INIT_SYS TYPE STRING,
LAST_UPDATED_BY TYPE STRING,
SLA_ID TYPE STRING,
REQUEST_FOR TYPE STRING,
UPDATED_AT TYPE STRING,END OF T_EKKO_STR. DATA: WA_GRACREQ_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_GRACREQ_STR-MANDT sy-vline
WA_GRACREQ_STR-REQ_ID sy-vline
WA_GRACREQ_STR-REQNO sy-vline
WA_GRACREQ_STR-REQ_CREATED sy-vline
WA_GRACREQ_STR-DUEDATE sy-vline
WA_GRACREQ_STR-REQTYPE sy-vline
WA_GRACREQ_STR-PRIORITY sy-vline
WA_GRACREQ_STR-BPROC sy-vline
WA_GRACREQ_STR-FUNCAREA sy-vline
WA_GRACREQ_STR-REQ_COMPLETED sy-vline
WA_GRACREQ_STR-BGJOBID sy-vline
WA_GRACREQ_STR-BGJOBCNT sy-vline
WA_GRACREQ_STR-TEMPLATE_ID sy-vline
WA_GRACREQ_STR-STATUS sy-vline
WA_GRACREQ_STR-MSMP_PROCESS_ID sy-vline
WA_GRACREQ_STR-REQ_INIT_SYS sy-vline
WA_GRACREQ_STR-LAST_UPDATED_BY sy-vline
WA_GRACREQ_STR-SLA_ID sy-vline
WA_GRACREQ_STR-REQUEST_FOR sy-vline
WA_GRACREQ_STR-UPDATED_AT sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.