ABAP Select data from SAP table CCAINVOVWBLLPLN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCAINVOVWBLLPLN
*  INTO TABLE @DATA(IT_CCAINVOVWBLLPLN2).
*--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_CCAINVOVWBLLPLN INDEX 1 INTO DATA(WA_CCAINVOVWBLLPLN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCAINVOVWBLLPLN>-MANDT = 1.
<CCAINVOVWBLLPLN>-CABILLGPLNNUMBER = 1.
<CCAINVOVWBLLPLN>-CABILLGPLNCATEGORY = 1.
<CCAINVOVWBLLPLN>-CABILLGPLNTYPE = 1.
<CCAINVOVWBLLPLN>-CABILLGPLNSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCAINVOVWBLLPLN-CABILLGPLNCREATIONDATE, sy-vline,
  WA_CCAINVOVWBLLPLN-CABILLGPLNSTARTDATE, sy-vline,
  WA_CCAINVOVWBLLPLN-CABILLGPLNENDDATE, sy-vline,
  WA_CCAINVOVWBLLPLN-CABILLGPLNLASTREQUESTDATE, sy-vline,
  WA_CCAINVOVWBLLPLN-CABILLGPLNNEXTREQUESTDATE, sy-vline,
  WA_CCAINVOVWBLLPLN-CABILLGPLNDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCAINVOVWBLLPLN 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_CCAINVOVWBLLPLN 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_CCAINVOVWBLLPLN INTO WA_CCAINVOVWBLLPLN.


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

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

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

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

*Conversion exit ALPHA, internal->external for field CAMASTERAGREEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCAINVOVWBLLPLN-CAMASTERAGREEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCAINVOVWBLLPLN-CAMASTERAGREEMENT.
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_CCAINVOVWBLLPLN_STR, 
MANDT TYPE STRING,
CABILLGPLNNUMBER TYPE STRING,
CABILLGPLNCATEGORY TYPE STRING,
CABILLGPLNTYPE TYPE STRING,
CABILLGPLNSTATUS TYPE STRING,
CABILLGPLNCREATIONDATE TYPE STRING,
CABILLGPLNSTARTDATE TYPE STRING,
CABILLGPLNENDDATE TYPE STRING,
CABILLGPLNLASTREQUESTDATE TYPE STRING,
CABILLGPLNNEXTREQUESTDATE TYPE STRING,
CABILLGPLNDESCRIPTION TYPE STRING,
CABILLGPLNEXTERNALREFERENCE TYPE STRING,
LOGICALSYSTEM TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CAINVCGMASTERDATATYPE TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
CAMASTERAGREEMENT TYPE STRING,
CAINVCGOFFSETTINGREFERENCEKEY TYPE STRING,
CABILLGPLNCREATEDBYUSER TYPE STRING,
CABILLGPLNCREATIONTIME TYPE STRING,
CABILLGPLNCHANGEDBYUSER TYPE STRING,
CABILLGPLNCHANGEDATE TYPE STRING,
CABILLGPLNCHANGETIME TYPE STRING,
CABILLGPLNCREATIONMODE TYPE STRING,
CABILLGPLNNUMBERBLLBLEITM TYPE STRING,
CABILLGPLNCOMPLETIONDATE TYPE STRING,
CABILLGPLNCATEGORYTEXT TYPE STRING,
CABILLGPLNSTATUSTEXT TYPE STRING,
CABILLGPLNTYPETEXT TYPE STRING,
CABILLGPLNCREATIONMODETEXT TYPE STRING,
CAINVCGMASTERDATATYPETEXT TYPE STRING,
CASUBAPPLICATIONTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCAINVOVWBLLPLN_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_CCAINVOVWBLLPLN_STR-MANDT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNNUMBER sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCATEGORY sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNTYPE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNSTATUS sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCREATIONDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNSTARTDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNENDDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNLASTREQUESTDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNNEXTREQUESTDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNDESCRIPTION sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNEXTERNALREFERENCE sy-vline 
WA_CCAINVOVWBLLPLN_STR-LOGICALSYSTEM sy-vline 
WA_CCAINVOVWBLLPLN_STR-CAAPPLICATIONAREA sy-vline 
WA_CCAINVOVWBLLPLN_STR-BUSINESSPARTNER sy-vline 
WA_CCAINVOVWBLLPLN_STR-CONTRACTACCOUNT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CAINVCGMASTERDATATYPE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CACONTRACT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CASUBAPPLICATION sy-vline 
WA_CCAINVOVWBLLPLN_STR-CAMASTERAGREEMENT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CAINVCGOFFSETTINGREFERENCEKEY sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCREATEDBYUSER sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCREATIONTIME sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCHANGEDBYUSER sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCHANGEDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCHANGETIME sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCREATIONMODE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNNUMBERBLLBLEITM sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCOMPLETIONDATE sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCATEGORYTEXT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNSTATUSTEXT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNTYPETEXT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CABILLGPLNCREATIONMODETEXT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CAINVCGMASTERDATATYPETEXT sy-vline 
WA_CCAINVOVWBLLPLN_STR-CASUBAPPLICATIONTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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