ABAP Select data from SAP table OIRA_PRINTINDEX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIRA_PRINTINDEX
*  INTO TABLE @DATA(IT_OIRA_PRINTINDEX2).
*--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_OIRA_PRINTINDEX INDEX 1 INTO DATA(WA_OIRA_PRINTINDEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIRA_PRINTINDEX>-MANDT = 1.
<OIRA_PRINTINDEX>-PRNINDEX = 1.
<OIRA_PRINTINDEX>-PRNTYPGP = 1.
<OIRA_PRINTINDEX>-DOCCAT = 1.
<OIRA_PRINTINDEX>-SRCDOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIRA_PRINTINDEX-SRCDOCYR, sy-vline,
  WA_OIRA_PRINTINDEX-SRCDOCCO, sy-vline,
  WA_OIRA_PRINTINDEX-ERDAT, sy-vline,
  WA_OIRA_PRINTINDEX-ERTIM, sy-vline,
  WA_OIRA_PRINTINDEX-ERNAM, sy-vline,
  WA_OIRA_PRINTINDEX-ACTIV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIRA_PRINTINDEX 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_OIRA_PRINTINDEX 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_OIRA_PRINTINDEX INTO WA_OIRA_PRINTINDEX.


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

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

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

*Conversion exit ALPHA, internal->external for field OIRIPBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIRA_PRINTINDEX-OIRIPBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIRA_PRINTINDEX-OIRIPBLNR.
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_OIRA_PRINTINDEX_STR, 
MANDT TYPE STRING,
PRNINDEX TYPE STRING,
PRNTYPGP TYPE STRING,
DOCCAT TYPE STRING,
SRCDOCNO TYPE STRING,
SRCDOCYR TYPE STRING,
SRCDOCCO TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERNAM TYPE STRING,
ACTIV TYPE STRING,
FKDAT TYPE STRING,
KUNRG TYPE STRING,
OIRIINVDOC TYPE STRING,
OIRIPBLNR TYPE STRING,
OIR_CHOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIRA_PRINTINDEX_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_OIRA_PRINTINDEX_STR-MANDT sy-vline 
WA_OIRA_PRINTINDEX_STR-PRNINDEX sy-vline 
WA_OIRA_PRINTINDEX_STR-PRNTYPGP sy-vline 
WA_OIRA_PRINTINDEX_STR-DOCCAT sy-vline 
WA_OIRA_PRINTINDEX_STR-SRCDOCNO sy-vline 
WA_OIRA_PRINTINDEX_STR-SRCDOCYR sy-vline 
WA_OIRA_PRINTINDEX_STR-SRCDOCCO sy-vline 
WA_OIRA_PRINTINDEX_STR-ERDAT sy-vline 
WA_OIRA_PRINTINDEX_STR-ERTIM sy-vline 
WA_OIRA_PRINTINDEX_STR-ERNAM sy-vline 
WA_OIRA_PRINTINDEX_STR-ACTIV sy-vline 
WA_OIRA_PRINTINDEX_STR-FKDAT sy-vline 
WA_OIRA_PRINTINDEX_STR-KUNRG sy-vline 
WA_OIRA_PRINTINDEX_STR-OIRIINVDOC sy-vline 
WA_OIRA_PRINTINDEX_STR-OIRIPBLNR sy-vline 
WA_OIRA_PRINTINDEX_STR-OIR_CHOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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