ABAP Select data from SAP table ICL_MI_PAYI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_MI_PAYI 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_MI_PAYI. 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_MI_PAYI 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_MI_PAYI TYPE STANDARD TABLE OF ICL_MI_PAYI,
      WA_ICL_MI_PAYI TYPE ICL_MI_PAYI,
      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_MI_PAYI> TYPE ICL_MI_PAYI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_MI_PAYI
*  INTO TABLE @DATA(IT_ICL_MI_PAYI2).
*--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_MI_PAYI INDEX 1 INTO DATA(WA_ICL_MI_PAYI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_MI_PAYI>-SEL = 1.
<ICL_MI_PAYI>-CLIENT = 1.
<ICL_MI_PAYI>-ACTIVE = 1.
<ICL_MI_PAYI>-CLAIM = 1.
<ICL_MI_PAYI>-SUBCLAIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_MI_PAYI-PAYMENT, sy-vline,
  WA_ICL_MI_PAYI-PAYMENTITEM, sy-vline,
  WA_ICL_MI_PAYI-CHANGETIME, sy-vline,
  WA_ICL_MI_PAYI-CHANGEDBY, sy-vline,
  WA_ICL_MI_PAYI-DELETED, sy-vline,
  WA_ICL_MI_PAYI-ITEMSUBCL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_MI_PAYI 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_MI_PAYI 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_MI_PAYI INTO WA_ICL_MI_PAYI.


*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_MI_PAYI-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_MI_PAYI-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_MI_PAYI-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_MI_PAYI-CHANGETIME.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field INSCOMP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_MI_PAYI-INSCOMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_MI_PAYI-INSCOMP.
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_MI_PAYI_STR, 
SEL TYPE STRING,
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
PAYMENT TYPE STRING,
PAYMENTITEM TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED 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,
TREASONN TYPE STRING,
DESCRIPTION TYPE STRING,
BENTYPENAME TYPE STRING,
PAMTYPE TYPE STRING,
CURR TYPE STRING,
PAID TYPE STRING,
FINALP TYPE STRING,
HIERAR TYPE STRING,
ITEMSUBCLTXT TYPE STRING,
PYMTYPENAME TYPE STRING,
BPARTNER TYPE STRING,
MAINTRANS TYPE STRING,
SUBTRANS TYPE STRING,
TAXRPTCT TYPE STRING,
CURR_LOCAL TYPE STRING,
PAMPAID_LOCAL TYPE STRING,
SKIP_BENTYPE_VALIDATION TYPE STRING,
REF_BENTYPE TYPE STRING,
SUBCLTYPE TYPE STRING,
SUBCLTYPE_NAME TYPE STRING,
SUBCLTYPEDESC TYPE STRING,
COVERAGE TYPE STRING,
COVTYPE_NAME TYPE STRING,
BENTYPE_NAME TYPE STRING,
ITEMTYPE TYPE STRING,
ITEMTYPE_NAME TYPE STRING,
TREASONSETN TYPE STRING,
CLAIMANT TYPE STRING,
CLAIMANTN TYPE STRING,
INSCOMP TYPE STRING,
INSCOMPN TYPE STRING,
XSUBRO TYPE STRING,
PAIDLOSS TYPE STRING,
DEDUCTIBLE TYPE STRING,
INCURREDLOSS TYPE STRING,
INITIAL_RESERVE TYPE STRING,
SUBROPOT TYPE STRING,
EXP_REIMB TYPE STRING,
SUBRONEG TYPE STRING,
PAMRECEIVED TYPE STRING,
RECOVERED_LOSS TYPE STRING,
REIMB_DEDUCTIBLE TYPE STRING,
PAMTYPE_DESCR TYPE STRING,
PAYITY_DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_MI_PAYI_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_MI_PAYI_STR-SEL sy-vline 
WA_ICL_MI_PAYI_STR-CLIENT sy-vline 
WA_ICL_MI_PAYI_STR-ACTIVE sy-vline 
WA_ICL_MI_PAYI_STR-CLAIM sy-vline 
WA_ICL_MI_PAYI_STR-SUBCLAIM sy-vline 
WA_ICL_MI_PAYI_STR-PAYMENT sy-vline 
WA_ICL_MI_PAYI_STR-PAYMENTITEM sy-vline 
WA_ICL_MI_PAYI_STR-CHANGETIME sy-vline 
WA_ICL_MI_PAYI_STR-CHANGEDBY sy-vline 
WA_ICL_MI_PAYI_STR-DELETED sy-vline 
WA_ICL_MI_PAYI_STR-ITEMSUBCL sy-vline 
WA_ICL_MI_PAYI_STR-PAYITEMCAT sy-vline 
WA_ICL_MI_PAYI_STR-PAMPAID sy-vline 
WA_ICL_MI_PAYI_STR-BENTYPE sy-vline 
WA_ICL_MI_PAYI_STR-COVTYPE sy-vline 
WA_ICL_MI_PAYI_STR-PYMTYPE sy-vline 
WA_ICL_MI_PAYI_STR-PAYTYPEI sy-vline 
WA_ICL_MI_PAYI_STR-TREASONSET sy-vline 
WA_ICL_MI_PAYI_STR-TREASON sy-vline 
WA_ICL_MI_PAYI_STR-GROSS_NET sy-vline 
WA_ICL_MI_PAYI_STR-TXCOD sy-vline 
WA_ICL_MI_PAYI_STR-TAXCODE_ID sy-vline 
WA_ICL_MI_PAYI_STR-REQUESTED sy-vline 
WA_ICL_MI_PAYI_STR-POSTDATEI sy-vline 
WA_ICL_MI_PAYI_STR-ITEM sy-vline 
WA_ICL_MI_PAYI_STR-REFNO sy-vline 
WA_ICL_MI_PAYI_STR-PAYITY sy-vline 
WA_ICL_MI_PAYI_STR-REPID sy-vline 
WA_ICL_MI_PAYI_STR-VALIDFROM sy-vline 
WA_ICL_MI_PAYI_STR-VALIDTO sy-vline 
WA_ICL_MI_PAYI_STR-ASSIGN_GUID sy-vline 
WA_ICL_MI_PAYI_STR-CDDOCITEM sy-vline 
WA_ICL_MI_PAYI_STR-REQUESTED_ORIG sy-vline 
WA_ICL_MI_PAYI_STR-DUP_PAMPAID sy-vline 
WA_ICL_MI_PAYI_STR-COUNTRY sy-vline 
WA_ICL_MI_PAYI_STR-REGION sy-vline 
WA_ICL_MI_PAYI_STR-REFPAYITEM sy-vline 
WA_ICL_MI_PAYI_STR-MSATZ sy-vline 
WA_ICL_MI_PAYI_STR-KTOSL sy-vline 
WA_ICL_MI_PAYI_STR-KSCHL sy-vline 
WA_ICL_MI_PAYI_STR-_DATAAGING sy-vline 
WA_ICL_MI_PAYI_STR-TXJCD sy-vline 
WA_ICL_MI_PAYI_STR-TXBSAMT sy-vline 
WA_ICL_MI_PAYI_STR-TREASONN sy-vline 
WA_ICL_MI_PAYI_STR-DESCRIPTION sy-vline 
WA_ICL_MI_PAYI_STR-BENTYPENAME sy-vline 
WA_ICL_MI_PAYI_STR-PAMTYPE sy-vline 
WA_ICL_MI_PAYI_STR-CURR sy-vline 
WA_ICL_MI_PAYI_STR-PAID sy-vline 
WA_ICL_MI_PAYI_STR-FINALP sy-vline 
WA_ICL_MI_PAYI_STR-HIERAR sy-vline 
WA_ICL_MI_PAYI_STR-ITEMSUBCLTXT sy-vline 
WA_ICL_MI_PAYI_STR-PYMTYPENAME sy-vline 
WA_ICL_MI_PAYI_STR-BPARTNER sy-vline 
WA_ICL_MI_PAYI_STR-MAINTRANS sy-vline 
WA_ICL_MI_PAYI_STR-SUBTRANS sy-vline 
WA_ICL_MI_PAYI_STR-TAXRPTCT sy-vline 
WA_ICL_MI_PAYI_STR-CURR_LOCAL sy-vline 
WA_ICL_MI_PAYI_STR-PAMPAID_LOCAL sy-vline 
WA_ICL_MI_PAYI_STR-SKIP_BENTYPE_VALIDATION sy-vline 
WA_ICL_MI_PAYI_STR-REF_BENTYPE sy-vline 
WA_ICL_MI_PAYI_STR-SUBCLTYPE sy-vline 
WA_ICL_MI_PAYI_STR-SUBCLTYPE_NAME sy-vline 
WA_ICL_MI_PAYI_STR-SUBCLTYPEDESC sy-vline 
WA_ICL_MI_PAYI_STR-COVERAGE sy-vline 
WA_ICL_MI_PAYI_STR-COVTYPE_NAME sy-vline 
WA_ICL_MI_PAYI_STR-BENTYPE_NAME sy-vline 
WA_ICL_MI_PAYI_STR-ITEMTYPE sy-vline 
WA_ICL_MI_PAYI_STR-ITEMTYPE_NAME sy-vline 
WA_ICL_MI_PAYI_STR-TREASONSETN sy-vline 
WA_ICL_MI_PAYI_STR-CLAIMANT sy-vline 
WA_ICL_MI_PAYI_STR-CLAIMANTN sy-vline 
WA_ICL_MI_PAYI_STR-INSCOMP sy-vline 
WA_ICL_MI_PAYI_STR-INSCOMPN sy-vline 
WA_ICL_MI_PAYI_STR-XSUBRO sy-vline 
WA_ICL_MI_PAYI_STR-PAIDLOSS sy-vline 
WA_ICL_MI_PAYI_STR-DEDUCTIBLE sy-vline 
WA_ICL_MI_PAYI_STR-INCURREDLOSS sy-vline 
WA_ICL_MI_PAYI_STR-INITIAL_RESERVE sy-vline 
WA_ICL_MI_PAYI_STR-SUBROPOT sy-vline 
WA_ICL_MI_PAYI_STR-EXP_REIMB sy-vline 
WA_ICL_MI_PAYI_STR-SUBRONEG sy-vline 
WA_ICL_MI_PAYI_STR-PAMRECEIVED sy-vline 
WA_ICL_MI_PAYI_STR-RECOVERED_LOSS sy-vline 
WA_ICL_MI_PAYI_STR-REIMB_DEDUCTIBLE sy-vline 
WA_ICL_MI_PAYI_STR-PAMTYPE_DESCR sy-vline 
WA_ICL_MI_PAYI_STR-PAYITY_DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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