ABAP Select data from SAP table APARINTDOCTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APARINTDOCTP
*  INTO TABLE @DATA(IT_APARINTDOCTP2).
*--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_APARINTDOCTP INDEX 1 INTO DATA(WA_APARINTDOCTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APARINTDOCTP>-MANDT = 1.
<APARINTDOCTP>-COMPANYCODE = 1.
<APARINTDOCTP>-INTERESTCALCULATIONFORM = 1.
<APARINTDOCTP>-INTERESTDOCUMENTFISCALYEAR = 1.
<APARINTDOCTP>-INTERESTDOCUMENTACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APARINTDOCTP-INTERESTDOCFINACCOUNTTYPE, sy-vline,
  WA_APARINTDOCTP-INTERESTCALCUPPERLIMITDATE, sy-vline,
  WA_APARINTDOCTP-TRANSACTIONCURRENCY, sy-vline,
  WA_APARINTDOCTP-INTERESTDOCUMENT, sy-vline,
  WA_APARINTDOCTP-CUSTOMERSUPPLIERNAME, sy-vline,
  WA_APARINTDOCTP-ACCOUNTINGDOCUMENTCREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APARINTDOCTP 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_APARINTDOCTP 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_APARINTDOCTP INTO WA_APARINTDOCTP.


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

*Conversion exit GJAHR, internal->external for field INTERESTDOCUMENTFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_APARINTDOCTP-INTERESTDOCUMENTFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APARINTDOCTP-INTERESTDOCUMENTFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INTERESTDOCUMENTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APARINTDOCTP-INTERESTDOCUMENTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APARINTDOCTP-INTERESTDOCUMENTACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INTERESTDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APARINTDOCTP-INTERESTDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APARINTDOCTP-INTERESTDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field INTERESTAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_APARINTDOCTP-INTERESTAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APARINTDOCTP-INTERESTAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAXAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_APARINTDOCTP-TAXAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APARINTDOCTP-TAXAMOUNT.
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_APARINTDOCTP_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
INTERESTCALCULATIONFORM TYPE STRING,
INTERESTDOCUMENTFISCALYEAR TYPE STRING,
INTERESTDOCUMENTACCOUNT TYPE STRING,
INTERESTDOCFINACCOUNTTYPE TYPE STRING,
INTERESTCALCUPPERLIMITDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
INTERESTDOCUMENT TYPE STRING,
CUSTOMERSUPPLIERNAME TYPE STRING,
ACCOUNTINGDOCUMENTCREATIONDATE TYPE STRING,
TIMEENTRY TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,
INTERESTAMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APARINTDOCTP_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_APARINTDOCTP_STR-MANDT sy-vline 
WA_APARINTDOCTP_STR-COMPANYCODE sy-vline 
WA_APARINTDOCTP_STR-INTERESTCALCULATIONFORM sy-vline 
WA_APARINTDOCTP_STR-INTERESTDOCUMENTFISCALYEAR sy-vline 
WA_APARINTDOCTP_STR-INTERESTDOCUMENTACCOUNT sy-vline 
WA_APARINTDOCTP_STR-INTERESTDOCFINACCOUNTTYPE sy-vline 
WA_APARINTDOCTP_STR-INTERESTCALCUPPERLIMITDATE sy-vline 
WA_APARINTDOCTP_STR-TRANSACTIONCURRENCY sy-vline 
WA_APARINTDOCTP_STR-INTERESTDOCUMENT sy-vline 
WA_APARINTDOCTP_STR-CUSTOMERSUPPLIERNAME sy-vline 
WA_APARINTDOCTP_STR-ACCOUNTINGDOCUMENTCREATIONDATE sy-vline 
WA_APARINTDOCTP_STR-TIMEENTRY sy-vline 
WA_APARINTDOCTP_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline 
WA_APARINTDOCTP_STR-INTERESTAMOUNT sy-vline 
WA_APARINTDOCTP_STR-TAXAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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