ABAP Select data from SAP table CCNTXIIPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCNTXIIPT
*  INTO TABLE @DATA(IT_CCNTXIIPT2).
*--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_CCNTXIIPT INDEX 1 INTO DATA(WA_CCNTXIIPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCNTXIIPT>-MANDT = 1.
<CCNTXIIPT>-CN_TAXINVCUUID = 1.
<CCNTXIIPT>-CN_TAXINVCCODE = 1.
<CCNTXIIPT>-CN_TAXINVCNMBR = 1.
<CCNTXIIPT>-CN_TAXSELLERREGNNMBR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCNTXIIPT-CN_TAXBUYERREGNNMBR, sy-vline,
  WA_CCNTXIIPT-CN_TAXINVCTYPE, sy-vline,
  WA_CCNTXIIPT-CN_TAXINVCDATE, sy-vline,
  WA_CCNTXIIPT-CN_TAXINVCCRCY, sy-vline,
  WA_CCNTXIIPT-CN_TAXINVCNETAMTININVCCRCY, sy-vline,
  WA_CCNTXIIPT-CN_TAXINVCTAXAMTININVCCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCNTXIIPT 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_CCNTXIIPT 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_CCNTXIIPT INTO WA_CCNTXIIPT.


*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 AC172, internal->external for field CN_TAXINVCNETAMTININVCCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXIIPT-CN_TAXINVCNETAMTININVCCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXIIPT-CN_TAXINVCNETAMTININVCCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field CN_TAXINVCTAXAMTININVCCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXIIPT-CN_TAXINVCTAXAMTININVCCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXIIPT-CN_TAXINVCTAXAMTININVCCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field CN_TAXINVCDISCNETAMTININVCCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXIIPT-CN_TAXINVCDISCNETAMTININVCCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXIIPT-CN_TAXINVCDISCNETAMTININVCCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field CN_TAXINVCDISCTAXAMTININVCCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXIIPT-CN_TAXINVCDISCTAXAMTININVCCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXIIPT-CN_TAXINVCDISCTAXAMTININVCCRCY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXIIPT-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXIIPT-SUPPLIER.
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_CCNTXIIPT_STR, 
MANDT TYPE STRING,
CN_TAXINVCUUID TYPE STRING,
CN_TAXINVCCODE TYPE STRING,
CN_TAXINVCNMBR TYPE STRING,
CN_TAXSELLERREGNNMBR TYPE STRING,
CN_TAXBUYERREGNNMBR TYPE STRING,
CN_TAXINVCTYPE TYPE STRING,
CN_TAXINVCDATE TYPE STRING,
CN_TAXINVCCRCY TYPE STRING,
CN_TAXINVCNETAMTININVCCRCY TYPE STRING,
CN_TAXINVCTAXAMTININVCCRCY TYPE STRING,
CN_TAXENTITYID TYPE STRING,
CN_TAXINVCDISCNETAMTININVCCRCY TYPE STRING,
CN_TAXINVCDISCTAXAMTININVCCRCY TYPE STRING,
CN_TAXINVCISELECTRONIC TYPE STRING,
COMPANYCODE TYPE STRING,
CN_TAXINVCGLDNTXSYSTSTS TYPE STRING,
CN_TAXINVCGLDNTXSYSTSTSSYNCTME TYPE STRING,
CN_TAXINVCINPTPROCGSTS TYPE STRING,
CN_TAXINVCDEDUCTIONTYPE TYPE STRING,
FISCALYEAR TYPE STRING,
CN_TAXSELLERNAME TYPE STRING,
CN_TAXINVCCOMMENT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLIER TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCNTXIIPT_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_CCNTXIIPT_STR-MANDT sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCUUID sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCCODE sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCNMBR sy-vline 
WA_CCNTXIIPT_STR-CN_TAXSELLERREGNNMBR sy-vline 
WA_CCNTXIIPT_STR-CN_TAXBUYERREGNNMBR sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCTYPE sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCDATE sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCCRCY sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCNETAMTININVCCRCY sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCTAXAMTININVCCRCY sy-vline 
WA_CCNTXIIPT_STR-CN_TAXENTITYID sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCDISCNETAMTININVCCRCY sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCDISCTAXAMTININVCCRCY sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCISELECTRONIC sy-vline 
WA_CCNTXIIPT_STR-COMPANYCODE sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCGLDNTXSYSTSTS sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCGLDNTXSYSTSTSSYNCTME sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCINPTPROCGSTS sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCDEDUCTIONTYPE sy-vline 
WA_CCNTXIIPT_STR-FISCALYEAR sy-vline 
WA_CCNTXIIPT_STR-CN_TAXSELLERNAME sy-vline 
WA_CCNTXIIPT_STR-CN_TAXINVCCOMMENT sy-vline 
WA_CCNTXIIPT_STR-PURCHASINGORGANIZATION sy-vline 
WA_CCNTXIIPT_STR-PURCHASINGGROUP sy-vline 
WA_CCNTXIIPT_STR-SUPPLIER sy-vline 
WA_CCNTXIIPT_STR-CREATEDBYUSER sy-vline 
WA_CCNTXIIPT_STR-CREATIONUTCDATETIME sy-vline 
WA_CCNTXIIPT_STR-LASTCHANGEDBYUSER sy-vline 
WA_CCNTXIIPT_STR-LASTCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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