ABAP Select data from SAP table CCASDREQTP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCASDREQTP 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 CCASDREQTP. 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 CCASDREQTP 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_CCASDREQTP TYPE STANDARD TABLE OF CCASDREQTP,
      WA_CCASDREQTP TYPE CCASDREQTP,
      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: <CCASDREQTP> TYPE CCASDREQTP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CCASDREQTP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CCASDREQTP
  INTO TABLE IT_CCASDREQTP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCASDREQTP
*  INTO TABLE @DATA(IT_CCASDREQTP2).
*--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_CCASDREQTP INDEX 1 INTO DATA(WA_CCASDREQTP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CCASDREQTP ASSIGNING <CCASDREQTP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCASDREQTP>-MANDT = 1.
<CCASDREQTP>-CASECURITYDEPOSIT = 1.
<CCASDREQTP>-CADOCUMENTNUMBER = 1.
<CCASDREQTP>-CAAUTHORIZATIONGROUP = 1.
<CCASDREQTP>-CASECDEPDOCBPITEMSTATUS = 1.

ENDLOOP.

LOOP AT IT_CCASDREQTP INTO WA_CCASDREQTP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCASDREQTP-CASECDEPDOCBPITEMSTATUSTEXT, sy-vline,
  WA_CCASDREQTP-CADOCBPITEMSTATUSCRITICALITY, sy-vline,
  WA_CCASDREQTP-CASECURITYDEPOSITREQUESTREASON, sy-vline,
  WA_CCASDREQTP-CASECURITYDEPOSITREQREASONTEXT, sy-vline,
  WA_CCASDREQTP-CASCRTYDEPREQDOCREQAMTCRITLTY, sy-vline,
  WA_CCASDREQTP-CAAMOUNTINTRANSACTIONCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCASDREQTP 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_CCASDREQTP 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_CCASDREQTP INTO WA_CCASDREQTP.


*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 CASECURITYDEPOSIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCASDREQTP-CASECURITYDEPOSIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCASDREQTP-CASECURITYDEPOSIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CADOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCASDREQTP-CADOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCASDREQTP-CADOCUMENTNUMBER.
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_CCASDREQTP_STR, 
MANDT TYPE STRING,
CASECURITYDEPOSIT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
CASECDEPDOCBPITEMSTATUS TYPE STRING,
CASECDEPDOCBPITEMSTATUSTEXT TYPE STRING,
CADOCBPITEMSTATUSCRITICALITY TYPE STRING,
CASECURITYDEPOSITREQUESTREASON TYPE STRING,
CASECURITYDEPOSITREQREASONTEXT TYPE STRING,
CASCRTYDEPREQDOCREQAMTCRITLTY TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
CASCRTYDEPREQDOCREQUESTAMOUNT TYPE STRING,
CAREVERSEDAMTINTRANSCURRENCY TYPE STRING,
CAPAYMENTAMOUNTINPAYTCURRENCY TYPE STRING,
CARELEASEDAMTINPAYMENTCURRENCY TYPE STRING,
CAINTERESTAMTINPAYMENTCURRENCY TYPE STRING,
AMOUNTINREFUNDCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
REFUNDCURRENCY TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CASCRTYDEPREQDOCCREATIONDTETME TYPE STRING,
CAPOSTINGDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCASDREQTP_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_CCASDREQTP_STR-MANDT sy-vline 
WA_CCASDREQTP_STR-CASECURITYDEPOSIT sy-vline 
WA_CCASDREQTP_STR-CADOCUMENTNUMBER sy-vline 
WA_CCASDREQTP_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_CCASDREQTP_STR-CASECDEPDOCBPITEMSTATUS sy-vline 
WA_CCASDREQTP_STR-CASECDEPDOCBPITEMSTATUSTEXT sy-vline 
WA_CCASDREQTP_STR-CADOCBPITEMSTATUSCRITICALITY sy-vline 
WA_CCASDREQTP_STR-CASECURITYDEPOSITREQUESTREASON sy-vline 
WA_CCASDREQTP_STR-CASECURITYDEPOSITREQREASONTEXT sy-vline 
WA_CCASDREQTP_STR-CASCRTYDEPREQDOCREQAMTCRITLTY sy-vline 
WA_CCASDREQTP_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CCASDREQTP_STR-CASCRTYDEPREQDOCREQUESTAMOUNT sy-vline 
WA_CCASDREQTP_STR-CAREVERSEDAMTINTRANSCURRENCY sy-vline 
WA_CCASDREQTP_STR-CAPAYMENTAMOUNTINPAYTCURRENCY sy-vline 
WA_CCASDREQTP_STR-CARELEASEDAMTINPAYMENTCURRENCY sy-vline 
WA_CCASDREQTP_STR-CAINTERESTAMTINPAYMENTCURRENCY sy-vline 
WA_CCASDREQTP_STR-AMOUNTINREFUNDCURRENCY sy-vline 
WA_CCASDREQTP_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCASDREQTP_STR-PAYMENTCURRENCY sy-vline 
WA_CCASDREQTP_STR-REFUNDCURRENCY sy-vline 
WA_CCASDREQTP_STR-CREATEDBYUSER sy-vline 
WA_CCASDREQTP_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_CCASDREQTP_STR-CREATIONDATE sy-vline 
WA_CCASDREQTP_STR-CREATIONTIME sy-vline 
WA_CCASDREQTP_STR-CASCRTYDEPREQDOCCREATIONDTETME sy-vline 
WA_CCASDREQTP_STR-CAPOSTINGDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.