ABAP Select data from SAP table ICL_PAYI_CD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_PAYI_CD
*  INTO TABLE @DATA(IT_ICL_PAYI_CD2).
*--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_ICL_PAYI_CD INDEX 1 INTO DATA(WA_ICL_PAYI_CD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_PAYI_CD>-CLAIM = 1.
<ICL_PAYI_CD>-SUBCLAIM = 1.
<ICL_PAYI_CD>-PAYMENT = 1.
<ICL_PAYI_CD>-PAYMENTITEM = 1.
<ICL_PAYI_CD>-ITEMSUBCL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_PAYI_CD-PAYITEMCAT, sy-vline,
  WA_ICL_PAYI_CD-PAMPAID, sy-vline,
  WA_ICL_PAYI_CD-BENTYPE, sy-vline,
  WA_ICL_PAYI_CD-COVTYPE, sy-vline,
  WA_ICL_PAYI_CD-PYMTYPE, sy-vline,
  WA_ICL_PAYI_CD-PAYTYPEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_PAYI_CD 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_ICL_PAYI_CD 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_ICL_PAYI_CD INTO WA_ICL_PAYI_CD.


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

*Conversion exit ALPHA, internal->external for field BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_PAYI_CD-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_PAYI_CD-BPARTNER.
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_ICL_PAYI_CD_STR, 
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
PAYMENT TYPE STRING,
PAYMENTITEM TYPE STRING,
ITEMSUBCL TYPE STRING,
PAYITEMCAT TYPE STRING,
PAMPAID TYPE STRING,
BENTYPE TYPE STRING,
COVTYPE TYPE STRING,
PYMTYPE TYPE STRING,
PAYTYPEI TYPE STRING,
TREASONSET TYPE STRING,
TREASON TYPE STRING,
GROSS_NET TYPE STRING,
TXCOD TYPE STRING,
TAXCODE_ID TYPE STRING,
REQUESTED TYPE STRING,
POSTDATEI TYPE STRING,
ITEM TYPE STRING,
REFNO TYPE STRING,
PAYITY TYPE STRING,
REPID TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
ASSIGN_GUID TYPE STRING,
CDDOCITEM TYPE STRING,
REQUESTED_ORIG TYPE STRING,
DUP_PAMPAID TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
REFPAYITEM TYPE STRING,
MSATZ TYPE STRING,
KTOSL TYPE STRING,
KSCHL TYPE STRING,
_DATAAGING TYPE STRING,
TXJCD TYPE STRING,
TXBSAMT TYPE STRING,
TAX_PYMTYPE TYPE STRING,
TAXRPTCT TYPE STRING,
PERCENT TYPE STRING,
TAXGROUP_M TYPE STRING,
PYMTYPE_M TYPE STRING,
TAX_RPT_M TYPE STRING,
TAX_SEQ_M TYPE STRING,
TAXROLE_M TYPE STRING,
TAX_RPTPART_M TYPE STRING,
TAX_CODE_M TYPE STRING,
ORIGREC_M TYPE STRING,
MAINTRANS_M TYPE STRING,
SUBTRANS_M TYPE STRING,
BPARTNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_PAYI_CD_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_ICL_PAYI_CD_STR-CLAIM sy-vline 
WA_ICL_PAYI_CD_STR-SUBCLAIM sy-vline 
WA_ICL_PAYI_CD_STR-PAYMENT sy-vline 
WA_ICL_PAYI_CD_STR-PAYMENTITEM sy-vline 
WA_ICL_PAYI_CD_STR-ITEMSUBCL sy-vline 
WA_ICL_PAYI_CD_STR-PAYITEMCAT sy-vline 
WA_ICL_PAYI_CD_STR-PAMPAID sy-vline 
WA_ICL_PAYI_CD_STR-BENTYPE sy-vline 
WA_ICL_PAYI_CD_STR-COVTYPE sy-vline 
WA_ICL_PAYI_CD_STR-PYMTYPE sy-vline 
WA_ICL_PAYI_CD_STR-PAYTYPEI sy-vline 
WA_ICL_PAYI_CD_STR-TREASONSET sy-vline 
WA_ICL_PAYI_CD_STR-TREASON sy-vline 
WA_ICL_PAYI_CD_STR-GROSS_NET sy-vline 
WA_ICL_PAYI_CD_STR-TXCOD sy-vline 
WA_ICL_PAYI_CD_STR-TAXCODE_ID sy-vline 
WA_ICL_PAYI_CD_STR-REQUESTED sy-vline 
WA_ICL_PAYI_CD_STR-POSTDATEI sy-vline 
WA_ICL_PAYI_CD_STR-ITEM sy-vline 
WA_ICL_PAYI_CD_STR-REFNO sy-vline 
WA_ICL_PAYI_CD_STR-PAYITY sy-vline 
WA_ICL_PAYI_CD_STR-REPID sy-vline 
WA_ICL_PAYI_CD_STR-VALIDFROM sy-vline 
WA_ICL_PAYI_CD_STR-VALIDTO sy-vline 
WA_ICL_PAYI_CD_STR-ASSIGN_GUID sy-vline 
WA_ICL_PAYI_CD_STR-CDDOCITEM sy-vline 
WA_ICL_PAYI_CD_STR-REQUESTED_ORIG sy-vline 
WA_ICL_PAYI_CD_STR-DUP_PAMPAID sy-vline 
WA_ICL_PAYI_CD_STR-COUNTRY sy-vline 
WA_ICL_PAYI_CD_STR-REGION sy-vline 
WA_ICL_PAYI_CD_STR-REFPAYITEM sy-vline 
WA_ICL_PAYI_CD_STR-MSATZ sy-vline 
WA_ICL_PAYI_CD_STR-KTOSL sy-vline 
WA_ICL_PAYI_CD_STR-KSCHL sy-vline 
WA_ICL_PAYI_CD_STR-_DATAAGING sy-vline 
WA_ICL_PAYI_CD_STR-TXJCD sy-vline 
WA_ICL_PAYI_CD_STR-TXBSAMT sy-vline 
WA_ICL_PAYI_CD_STR-TAX_PYMTYPE sy-vline 
WA_ICL_PAYI_CD_STR-TAXRPTCT sy-vline 
WA_ICL_PAYI_CD_STR-PERCENT sy-vline 
WA_ICL_PAYI_CD_STR-TAXGROUP_M sy-vline 
WA_ICL_PAYI_CD_STR-PYMTYPE_M sy-vline 
WA_ICL_PAYI_CD_STR-TAX_RPT_M sy-vline 
WA_ICL_PAYI_CD_STR-TAX_SEQ_M sy-vline 
WA_ICL_PAYI_CD_STR-TAXROLE_M sy-vline 
WA_ICL_PAYI_CD_STR-TAX_RPTPART_M sy-vline 
WA_ICL_PAYI_CD_STR-TAX_CODE_M sy-vline 
WA_ICL_PAYI_CD_STR-ORIGREC_M sy-vline 
WA_ICL_PAYI_CD_STR-MAINTRANS_M sy-vline 
WA_ICL_PAYI_CD_STR-SUBTRANS_M sy-vline 
WA_ICL_PAYI_CD_STR-BPARTNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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