ABAP Select data from SAP table CCACITEXCHIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCACITEXCHIST
*  INTO TABLE @DATA(IT_CCACITEXCHIST2).
*--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_CCACITEXCHIST INDEX 1 INTO DATA(WA_CCACITEXCHIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCACITEXCHIST>-MANDT = 1.
<CCACITEXCHIST>-CACNSMPNITMCLASS = 1.
<CCACITEXCHIST>-CACNSMPNITMPACKAGEUUID = 1.
<CCACITEXCHIST>-CACNSMPNITMPACKNO = 1.
<CCACITEXCHIST>-CACNSMPNITMEXCEPTIONDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCACITEXCHIST-CACNSMPNITMEXCEPTIONTIME, sy-vline,
  WA_CCACITEXCHIST-CACNSMPNITMEXCEPTIONREASON, sy-vline,
  WA_CCACITEXCHIST-CACNSMPNITMEXCEPTIONUSERNAME, sy-vline,
  WA_CCACITEXCHIST-CACNSMPNITMEXCPTNRVSLDATE, sy-vline,
  WA_CCACITEXCHIST-CACNSMPNITMEXCPTNRVSLTIME, sy-vline,
  WA_CCACITEXCHIST-CACNSMPNITMEXCPTNRVSLREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCACITEXCHIST 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_CCACITEXCHIST 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_CCACITEXCHIST INTO WA_CCACITEXCHIST.


*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_CCACITEXCHIST_STR, 
MANDT TYPE STRING,
CACNSMPNITMCLASS TYPE STRING,
CACNSMPNITMPACKAGEUUID TYPE STRING,
CACNSMPNITMPACKNO TYPE STRING,
CACNSMPNITMEXCEPTIONDATE TYPE STRING,
CACNSMPNITMEXCEPTIONTIME TYPE STRING,
CACNSMPNITMEXCEPTIONREASON TYPE STRING,
CACNSMPNITMEXCEPTIONUSERNAME TYPE STRING,
CACNSMPNITMEXCPTNRVSLDATE TYPE STRING,
CACNSMPNITMEXCPTNRVSLTIME TYPE STRING,
CACNSMPNITMEXCPTNRVSLREASON TYPE STRING,
CACNSMPNITMEXCPTNRVSLUSERNAME TYPE STRING,
CACNSMPNITMIDTYPE TYPE STRING,
CACNSMPNITMID TYPE STRING,
CACNSMPNITMSTATUS TYPE STRING,
CACNSMPNITMCLASSTEXT TYPE STRING,
CACNSMPNITMEXCEPTIONREASONTEXT TYPE STRING,
CACNSMPNITMEXCPTNRVSLRSNTEXT TYPE STRING,
CACNSMPNITMIDTYPETEXT TYPE STRING,
CACNSMPNITMSTATUSTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCACITEXCHIST_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_CCACITEXCHIST_STR-MANDT sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMCLASS sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMPACKAGEUUID sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMPACKNO sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCEPTIONDATE sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCEPTIONTIME sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCEPTIONREASON sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCEPTIONUSERNAME sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCPTNRVSLDATE sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCPTNRVSLTIME sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCPTNRVSLREASON sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCPTNRVSLUSERNAME sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMIDTYPE sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMID sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMSTATUS sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMCLASSTEXT sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCEPTIONREASONTEXT sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMEXCPTNRVSLRSNTEXT sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMIDTYPETEXT sy-vline 
WA_CCACITEXCHIST_STR-CACNSMPNITMSTATUSTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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