ABAP Select data from SAP table CFIN_EX_AIFCRE_2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFIN_EX_AIFCRE_2 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 CFIN_EX_AIFCRE_2. 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 CFIN_EX_AIFCRE_2 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_CFIN_EX_AIFCRE_2 TYPE STANDARD TABLE OF CFIN_EX_AIFCRE_2,
      WA_CFIN_EX_AIFCRE_2 TYPE CFIN_EX_AIFCRE_2,
      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: <CFIN_EX_AIFCRE_2> TYPE CFIN_EX_AIFCRE_2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CFIN_EX_AIFCRE_2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFIN_EX_AIFCRE_2
  INTO TABLE IT_CFIN_EX_AIFCRE_2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFIN_EX_AIFCRE_2
*  INTO TABLE @DATA(IT_CFIN_EX_AIFCRE_22).
*--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_CFIN_EX_AIFCRE_2 INDEX 1 INTO DATA(WA_CFIN_EX_AIFCRE_22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFIN_EX_AIFCRE_2 ASSIGNING <CFIN_EX_AIFCRE_2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFIN_EX_AIFCRE_2>-MANDT = 1.
<CFIN_EX_AIFCRE_2>-MSGGUID = 1.
<CFIN_EX_AIFCRE_2>-VERSION = 1.
<CFIN_EX_AIFCRE_2>-COUNTER = 1.
<CFIN_EX_AIFCRE_2>-NS = 1.

ENDLOOP.

LOOP AT IT_CFIN_EX_AIFCRE_2 INTO WA_CFIN_EX_AIFCRE_2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFIN_EX_AIFCRE_2-IFNAME, sy-vline,
  WA_CFIN_EX_AIFCRE_2-IFVER, sy-vline,
  WA_CFIN_EX_AIFCRE_2-PARENT_ID, sy-vline,
  WA_CFIN_EX_AIFCRE_2-UNIQUE_ID, sy-vline,
  WA_CFIN_EX_AIFCRE_2-ITEMNO_ACC, sy-vline,
  WA_CFIN_EX_AIFCRE_2-DOC_LINE_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFIN_EX_AIFCRE_2 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_CFIN_EX_AIFCRE_2 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_CFIN_EX_AIFCRE_2 INTO WA_CFIN_EX_AIFCRE_2.


*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 VENDOR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-VENDOR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-VENDOR_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTERNATIVE_PAYE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-ALTERNATIVE_PAYE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-ALTERNATIVE_PAYE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BRANCH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-BRANCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-BRANCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICE_REFERENC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-INVOICE_REFERENC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-INVOICE_REFERENC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INVOICE_REFERE_3
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-INVOICE_REFERE_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-INVOICE_REFERE_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASING_DOC_N
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-PURCHASING_DOC_N
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-PURCHASING_DOC_N.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASING_LOGSY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_EX_AIFCRE_2-PURCHASING_LOGSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_EX_AIFCRE_2-PURCHASING_LOGSY.
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_CFIN_EX_AIFCRE_2_STR, 
MANDT TYPE STRING,
MSGGUID TYPE STRING,
VERSION TYPE STRING,
COUNTER TYPE STRING,
NS TYPE STRING,
IFNAME TYPE STRING,
IFVER TYPE STRING,
PARENT_ID TYPE STRING,
UNIQUE_ID TYPE STRING,
ITEMNO_ACC TYPE STRING,
DOC_LINE_NO TYPE STRING,
VENDOR_ID TYPE STRING,
DOCUMENT_CURR_IS TYPE STRING,
AMT_DOCUMENT_CUR TYPE STRING,
COMP_CODE_CURR_I TYPE STRING,
AMT_COMP_CODE_CU TYPE STRING,
ITEM_TEXT TYPE STRING,
ALLOC_NO TYPE STRING,
BASELINE_DATE TYPE STRING,
DISCOUNT_FIRST_D TYPE STRING,
DISCOUNT_FIRST_P TYPE STRING,
DISCOUNT_SECOND TYPE STRING,
DISCOUNT_SECON_2 TYPE STRING,
NET_TERMS TYPE STRING,
PAYMENT_METHOD TYPE STRING,
PAYMENT_METHOD_S TYPE STRING,
PAYMENT_REFERENC TYPE STRING,
PAYMENT_BLOCK_KE TYPE STRING,
ALTERNATIVE_PAYE TYPE STRING,
ALTERNATIVE_PA_2 TYPE STRING,
STATE_CENTRAL_BA TYPE STRING,
PRDTAX_REGISTRAT TYPE STRING,
BRANCH TYPE STRING,
SPECIAL_LEDGER_I TYPE STRING,
PRDTAX_CODE TYPE STRING,
GROUP_CURR_ISO TYPE STRING,
AMT_GROUP_CURR TYPE STRING,
INVOICE_REFERENC TYPE STRING,
INVOICE_REFERE_2 TYPE STRING,
INVOICE_REFERE_3 TYPE STRING,
PAYMENT_TERMS TYPE STRING,
FIXED_PAYMENT_TE TYPE STRING,
PARTNER_BANK_TYP TYPE STRING,
PURCHASING_DOC_N TYPE STRING,
PURCHASING_LOGSY TYPE STRING,
GLO_REFERENCE TYPE STRING,
COUNTRY TYPE STRING,
TAX_KALSM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFIN_EX_AIFCRE_2_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_CFIN_EX_AIFCRE_2_STR-MANDT sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-MSGGUID sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-VERSION sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-COUNTER sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-NS sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-IFNAME sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-IFVER sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PARENT_ID sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-UNIQUE_ID sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-ITEMNO_ACC sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DOC_LINE_NO sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-VENDOR_ID sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DOCUMENT_CURR_IS sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-AMT_DOCUMENT_CUR sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-COMP_CODE_CURR_I sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-AMT_COMP_CODE_CU sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-ITEM_TEXT sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-ALLOC_NO sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-BASELINE_DATE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DISCOUNT_FIRST_D sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DISCOUNT_FIRST_P sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DISCOUNT_SECOND sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-DISCOUNT_SECON_2 sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-NET_TERMS sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PAYMENT_METHOD sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PAYMENT_METHOD_S sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PAYMENT_REFERENC sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PAYMENT_BLOCK_KE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-ALTERNATIVE_PAYE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-ALTERNATIVE_PA_2 sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-STATE_CENTRAL_BA sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PRDTAX_REGISTRAT sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-BRANCH sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-SPECIAL_LEDGER_I sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PRDTAX_CODE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-GROUP_CURR_ISO sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-AMT_GROUP_CURR sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-INVOICE_REFERENC sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-INVOICE_REFERE_2 sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-INVOICE_REFERE_3 sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PAYMENT_TERMS sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-FIXED_PAYMENT_TE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PARTNER_BANK_TYP sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PURCHASING_DOC_N sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-PURCHASING_LOGSY sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-GLO_REFERENCE sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-COUNTRY sy-vline 
WA_CFIN_EX_AIFCRE_2_STR-TAX_KALSM sy-vline      INTO ld_text SEPARATED BY SPACE.

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