ABAP Select data from SAP table ICUSTSEPAMANDATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICUSTSEPAMANDATE
*  INTO TABLE @DATA(IT_ICUSTSEPAMANDATE2).
*--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_ICUSTSEPAMANDATE INDEX 1 INTO DATA(WA_ICUSTSEPAMANDATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICUSTSEPAMANDATE>-MANDT = 1.
<ICUSTSEPAMANDATE>-CUSTOMER = 1.
<ICUSTSEPAMANDATE>-SEPAMANDATE = 1.
<ICUSTSEPAMANDATE>-SEPAMANDATESENDERIBAN = 1.
<ICUSTSEPAMANDATE>-SEPAMANDATEVERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICUSTSEPAMANDATE-SEPAMANDATESENDERBANKSWIFTCODE, sy-vline,
  WA_ICUSTSEPAMANDATE-SEPAMANDATEUUID, sy-vline,
  WA_ICUSTSEPAMANDATE-VALIDITYSTARTDATE, sy-vline,
  WA_ICUSTSEPAMANDATE-VALIDITYENDDATE, sy-vline,
  WA_ICUSTSEPAMANDATE-SEPAPAYMENTTYPE, sy-vline,
  WA_ICUSTSEPAMANDATE-SEPAMANDATESTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICUSTSEPAMANDATE 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_ICUSTSEPAMANDATE 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_ICUSTSEPAMANDATE INTO WA_ICUSTSEPAMANDATE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ICUSTSEPAMANDATE_STR, 
MANDT TYPE STRING,
CUSTOMER TYPE STRING,
SEPAMANDATE TYPE STRING,
SEPAMANDATESENDERIBAN TYPE STRING,
SEPAMANDATEVERSION TYPE STRING,
SEPAMANDATESENDERBANKSWIFTCODE TYPE STRING,
SEPAMANDATEUUID TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
SEPAPAYMENTTYPE TYPE STRING,
SEPAMANDATESTATUS TYPE STRING,
SEPAMANDATEISB2BMANDATE TYPE STRING,
ORIGINALSEPAMANDATECREDITOR TYPE STRING,
ORIGINALSEPAMANDATE TYPE STRING,
SEPAMANDATEAPPLICATION TYPE STRING,
SEPAMANDATEREFERENCETYPE TYPE STRING,
SEPAMANDATEREFERENCE TYPE STRING,
SEPAMANDATESENDERTYPE TYPE STRING,
SEPAMANDATERECIPIENTTYPE TYPE STRING,
SEPAMANDATERECIPIENT TYPE STRING,
SEPAMANDATECREDITOR TYPE STRING,
SEPAMANDATEFIRSTUSEDATE TYPE STRING,
SEPAMANDATEFIRSTUSEOBJTYPECODE TYPE STRING,
SEPAMANDATEFIRSTUSEPAYMENTDOC TYPE STRING,
SEPAMANDATELASTUSEDATE TYPE STRING,
SEPAMANDATELASTUSEOBJTYPECODE TYPE STRING,
SEPAMANDATELASTUSEPAYMENTDOC TYPE STRING,
SEPAMANDATEFIRSTUSEPAYMENTRUN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICUSTSEPAMANDATE_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_ICUSTSEPAMANDATE_STR-MANDT sy-vline 
WA_ICUSTSEPAMANDATE_STR-CUSTOMER sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATESENDERIBAN sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEVERSION sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATESENDERBANKSWIFTCODE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEUUID sy-vline 
WA_ICUSTSEPAMANDATE_STR-VALIDITYSTARTDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-VALIDITYENDDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAPAYMENTTYPE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATESTATUS sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEISB2BMANDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-ORIGINALSEPAMANDATECREDITOR sy-vline 
WA_ICUSTSEPAMANDATE_STR-ORIGINALSEPAMANDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEAPPLICATION sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEREFERENCETYPE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEREFERENCE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATESENDERTYPE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATERECIPIENTTYPE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATERECIPIENT sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATECREDITOR sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEFIRSTUSEDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEFIRSTUSEOBJTYPECODE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEFIRSTUSEPAYMENTDOC sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATELASTUSEDATE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATELASTUSEOBJTYPECODE sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATELASTUSEPAYMENTDOC sy-vline 
WA_ICUSTSEPAMANDATE_STR-SEPAMANDATEFIRSTUSEPAYMENTRUN sy-vline      INTO ld_text SEPARATED BY SPACE.

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