ABAP Select data from SAP table SITAGCYPAYDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SITAGCYPAYDATA
*  INTO TABLE @DATA(IT_SITAGCYPAYDATA2).
*--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_SITAGCYPAYDATA INDEX 1 INTO DATA(WA_SITAGCYPAYDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SITAGCYPAYDATA>-GUID = 1.
<SITAGCYPAYDATA>-CLIENT = 1.
<SITAGCYPAYDATA>-PAYID = 1.
<SITAGCYPAYDATA>-SEQNO = 1.
<SITAGCYPAYDATA>-SOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SITAGCYPAYDATA-PLVAR, sy-vline,
  WA_SITAGCYPAYDATA-OTYPE, sy-vline,
  WA_SITAGCYPAYDATA-OBJID, sy-vline,
  WA_SITAGCYPAYDATA-CDESK, sy-vline,
  WA_SITAGCYPAYDATA-PAYMT, sy-vline,
  WA_SITAGCYPAYDATA-PMTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SITAGCYPAYDATA 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_SITAGCYPAYDATA 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_SITAGCYPAYDATA INTO WA_SITAGCYPAYDATA.


*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 CHCKN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SITAGCYPAYDATA-CHCKN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SITAGCYPAYDATA-CHCKN.
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_SITAGCYPAYDATA_STR, 
GUID TYPE STRING,
CLIENT TYPE STRING,
PAYID TYPE STRING,
SEQNO TYPE STRING,
SOURCE TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
CDESK TYPE STRING,
PAYMT TYPE STRING,
PMTYPE TYPE STRING,
XOUTGOING TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
COMPCODE TYPE STRING,
REVSTATUS TYPE STRING,
WDSTATUS TYPE STRING,
WDAMOUNT TYPE STRING,
WDCURRENCY TYPE STRING,
CFDATE TYPE STRING,
CFSEQNO TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
CRNAME TYPE STRING,
CHCKN TYPE STRING,
WDDATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SITAGCYPAYDATA_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_SITAGCYPAYDATA_STR-GUID sy-vline 
WA_SITAGCYPAYDATA_STR-CLIENT sy-vline 
WA_SITAGCYPAYDATA_STR-PAYID sy-vline 
WA_SITAGCYPAYDATA_STR-SEQNO sy-vline 
WA_SITAGCYPAYDATA_STR-SOURCE sy-vline 
WA_SITAGCYPAYDATA_STR-PLVAR sy-vline 
WA_SITAGCYPAYDATA_STR-OTYPE sy-vline 
WA_SITAGCYPAYDATA_STR-OBJID sy-vline 
WA_SITAGCYPAYDATA_STR-CDESK sy-vline 
WA_SITAGCYPAYDATA_STR-PAYMT sy-vline 
WA_SITAGCYPAYDATA_STR-PMTYPE sy-vline 
WA_SITAGCYPAYDATA_STR-XOUTGOING sy-vline 
WA_SITAGCYPAYDATA_STR-AMOUNT sy-vline 
WA_SITAGCYPAYDATA_STR-CURRENCY sy-vline 
WA_SITAGCYPAYDATA_STR-COMPCODE sy-vline 
WA_SITAGCYPAYDATA_STR-REVSTATUS sy-vline 
WA_SITAGCYPAYDATA_STR-WDSTATUS sy-vline 
WA_SITAGCYPAYDATA_STR-WDAMOUNT sy-vline 
WA_SITAGCYPAYDATA_STR-WDCURRENCY sy-vline 
WA_SITAGCYPAYDATA_STR-CFDATE sy-vline 
WA_SITAGCYPAYDATA_STR-CFSEQNO sy-vline 
WA_SITAGCYPAYDATA_STR-CRDATE sy-vline 
WA_SITAGCYPAYDATA_STR-CRTIME sy-vline 
WA_SITAGCYPAYDATA_STR-CRNAME sy-vline 
WA_SITAGCYPAYDATA_STR-CHCKN sy-vline 
WA_SITAGCYPAYDATA_STR-WDDATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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