ABAP Select data from SAP table ICASCRTYDEP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICASCRTYDEP
*  INTO TABLE @DATA(IT_ICASCRTYDEP2).
*--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_ICASCRTYDEP INDEX 1 INTO DATA(WA_ICASCRTYDEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICASCRTYDEP>-MANDT = 1.
<ICASCRTYDEP>-CASECURITYDEPOSIT = 1.
<ICASCRTYDEP>-CAAPPLICATIONAREA = 1.
<ICASCRTYDEP>-CAISCASHSECURITYDEPOSIT = 1.
<ICASCRTYDEP>-CASECURITYDEPOSITREQUESTREASON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICASCRTYDEP-CONTRACTACCOUNT, sy-vline,
  WA_ICASCRTYDEP-CASECURITYDEPOSITSTARTDATE, sy-vline,
  WA_ICASCRTYDEP-CASECURITYDEPOSITRETURNDATE, sy-vline,
  WA_ICASCRTYDEP-TRANSACTIONCURRENCY, sy-vline,
  WA_ICASCRTYDEP-CADOCUMENTNUMBER, sy-vline,
  WA_ICASCRTYDEP-CASECURITYDEPOSITREVERSALRSN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICASCRTYDEP 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_ICASCRTYDEP 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_ICASCRTYDEP INTO WA_ICASCRTYDEP.


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

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

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

*Conversion exit ALPHA, internal->external for field CAPAYMENTFORMNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICASCRTYDEP-CAPAYMENTFORMNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICASCRTYDEP-CAPAYMENTFORMNUMBER.
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_ICASCRTYDEP_STR, 
MANDT TYPE STRING,
CASECURITYDEPOSIT TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
CAISCASHSECURITYDEPOSIT TYPE STRING,
CASECURITYDEPOSITREQUESTREASON TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CASECURITYDEPOSITSTARTDATE TYPE STRING,
CASECURITYDEPOSITRETURNDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CASECURITYDEPOSITREVERSALRSN TYPE STRING,
CAPAYMENTFORMNUMBER TYPE STRING,
CASECURITYDEPOSITOBJECTTYPE TYPE STRING,
CASECURITYDEPOSITOBJECTREF TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
CAINTERESTCODE TYPE STRING,
CASECURITYDEPOSITISREVERSED TYPE STRING,
CASECURITYDEPOSITISRELEASED TYPE STRING,
COMPANYCODE TYPE STRING,
CASECURITYDEPOSITEXTREFERENCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICASCRTYDEP_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_ICASCRTYDEP_STR-MANDT sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSIT sy-vline 
WA_ICASCRTYDEP_STR-CAAPPLICATIONAREA sy-vline 
WA_ICASCRTYDEP_STR-CAISCASHSECURITYDEPOSIT sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITREQUESTREASON sy-vline 
WA_ICASCRTYDEP_STR-CONTRACTACCOUNT sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITSTARTDATE sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITRETURNDATE sy-vline 
WA_ICASCRTYDEP_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICASCRTYDEP_STR-CADOCUMENTNUMBER sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITREVERSALRSN sy-vline 
WA_ICASCRTYDEP_STR-CAPAYMENTFORMNUMBER sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITOBJECTTYPE sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITOBJECTREF sy-vline 
WA_ICASCRTYDEP_STR-CREATIONDATE sy-vline 
WA_ICASCRTYDEP_STR-CREATEDBYUSER sy-vline 
WA_ICASCRTYDEP_STR-LASTCHANGEDDATE sy-vline 
WA_ICASCRTYDEP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ICASCRTYDEP_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_ICASCRTYDEP_STR-CAINTERESTCODE sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITISREVERSED sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITISRELEASED sy-vline 
WA_ICASCRTYDEP_STR-COMPANYCODE sy-vline 
WA_ICASCRTYDEP_STR-CASECURITYDEPOSITEXTREFERENCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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