ABAP Select data from SAP table CCIHT_AM09 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCIHT_AM09 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 CCIHT_AM09. 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 CCIHT_AM09 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_CCIHT_AM09 TYPE STANDARD TABLE OF CCIHT_AM09,
      WA_CCIHT_AM09 TYPE CCIHT_AM09,
      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: <CCIHT_AM09> TYPE CCIHT_AM09.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CCIHT_AM09.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CCIHT_AM09
  INTO TABLE IT_CCIHT_AM09.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHT_AM09
*  INTO TABLE @DATA(IT_CCIHT_AM092).
*--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_CCIHT_AM09 INDEX 1 INTO DATA(WA_CCIHT_AM092).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CCIHT_AM09 ASSIGNING <CCIHT_AM09>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHT_AM09>-MANDT = 1.
<CCIHT_AM09>-RECN = 1.
<CCIHT_AM09>-ACTN = 1.
<CCIHT_AM09>-VALFR = 1.
<CCIHT_AM09>-VALTO = 1.

ENDLOOP.

LOOP AT IT_CCIHT_AM09 INTO WA_CCIHT_AM09.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHT_AM09-AENNR, sy-vline,
  WA_CCIHT_AM09-DELFLG, sy-vline,
  WA_CCIHT_AM09-PARKFLG, sy-vline,
  WA_CCIHT_AM09-CRDAT, sy-vline,
  WA_CCIHT_AM09-CRNAM, sy-vline,
  WA_CCIHT_AM09-UPDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHT_AM09 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_CCIHT_AM09 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_CCIHT_AM09 INTO WA_CCIHT_AM09.


*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 RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-OWNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNTRA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHT_AM09-RECNTRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHT_AM09-RECNTRA.
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_CCIHT_AM09_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNTRA TYPE STRING,
SETNUMBER TYPE STRING,
RATINGCAT TYPE STRING,
RATING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCIHT_AM09_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_CCIHT_AM09_STR-MANDT sy-vline 
WA_CCIHT_AM09_STR-RECN sy-vline 
WA_CCIHT_AM09_STR-ACTN sy-vline 
WA_CCIHT_AM09_STR-VALFR sy-vline 
WA_CCIHT_AM09_STR-VALTO sy-vline 
WA_CCIHT_AM09_STR-AENNR sy-vline 
WA_CCIHT_AM09_STR-DELFLG sy-vline 
WA_CCIHT_AM09_STR-PARKFLG sy-vline 
WA_CCIHT_AM09_STR-CRDAT sy-vline 
WA_CCIHT_AM09_STR-CRNAM sy-vline 
WA_CCIHT_AM09_STR-UPDDAT sy-vline 
WA_CCIHT_AM09_STR-UPDNAM sy-vline 
WA_CCIHT_AM09_STR-SRSID sy-vline 
WA_CCIHT_AM09_STR-OWNID sy-vline 
WA_CCIHT_AM09_STR-RECNROOT sy-vline 
WA_CCIHT_AM09_STR-RECNTRA sy-vline 
WA_CCIHT_AM09_STR-SETNUMBER sy-vline 
WA_CCIHT_AM09_STR-RATINGCAT sy-vline 
WA_CCIHT_AM09_STR-RATING sy-vline      INTO ld_text SEPARATED BY SPACE.

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