ABAP Select data from SAP table IJPISAVCNAYOSE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IJPISAVCNAYOSE
*  INTO TABLE @DATA(IT_IJPISAVCNAYOSE2).
*--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_IJPISAVCNAYOSE INDEX 1 INTO DATA(WA_IJPISAVCNAYOSE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IJPISAVCNAYOSE>-MANDT = 1.
<IJPISAVCNAYOSE>-COMPANYCODE = 1.
<IJPISAVCNAYOSE>-INVCSMMRYPAYER = 1.
<IJPISAVCNAYOSE>-ALTERNATIVEPAYERNAME1 = 1.
<IJPISAVCNAYOSE>-ALTERNATIVEPAYERNAME2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IJPISAVCNAYOSE-ALTERNATIVEPAYERNAME3, sy-vline,
  WA_IJPISAVCNAYOSE-ALTERNATIVEPAYERNAME4, sy-vline,
  WA_IJPISAVCNAYOSE-ALTERNATIVEBANKNAME1, sy-vline,
  WA_IJPISAVCNAYOSE-ALTERNATIVEBANKNAME2, sy-vline,
  WA_IJPISAVCNAYOSE-ALTERNATIVEBANKNAME3, sy-vline,
  WA_IJPISAVCNAYOSE-ALTERNATIVEBANKNAME4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IJPISAVCNAYOSE 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_IJPISAVCNAYOSE 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_IJPISAVCNAYOSE INTO WA_IJPISAVCNAYOSE.


*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 INVCSMMRYPAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IJPISAVCNAYOSE-INVCSMMRYPAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IJPISAVCNAYOSE-INVCSMMRYPAYER.
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_IJPISAVCNAYOSE_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
INVCSMMRYPAYER TYPE STRING,
ALTERNATIVEPAYERNAME1 TYPE STRING,
ALTERNATIVEPAYERNAME2 TYPE STRING,
ALTERNATIVEPAYERNAME3 TYPE STRING,
ALTERNATIVEPAYERNAME4 TYPE STRING,
ALTERNATIVEBANKNAME1 TYPE STRING,
ALTERNATIVEBANKNAME2 TYPE STRING,
ALTERNATIVEBANKNAME3 TYPE STRING,
ALTERNATIVEBANKNAME4 TYPE STRING,
ALTERNATIVEBANKBRANCHNAME1 TYPE STRING,
ALTERNATIVEBANKBRANCHNAME2 TYPE STRING,
ALTERNATIVEBANKBRANCHNAME3 TYPE STRING,
ALTERNATIVEBANKBRANCHNAME4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IJPISAVCNAYOSE_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_IJPISAVCNAYOSE_STR-MANDT sy-vline 
WA_IJPISAVCNAYOSE_STR-COMPANYCODE sy-vline 
WA_IJPISAVCNAYOSE_STR-INVCSMMRYPAYER sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEPAYERNAME1 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEPAYERNAME2 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEPAYERNAME3 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEPAYERNAME4 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKNAME1 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKNAME2 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKNAME3 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKNAME4 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKBRANCHNAME1 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKBRANCHNAME2 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKBRANCHNAME3 sy-vline 
WA_IJPISAVCNAYOSE_STR-ALTERNATIVEBANKBRANCHNAME4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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