ABAP Select data from SAP table CEINVCGDOCQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEINVCGDOCQRY
*  INTO TABLE @DATA(IT_CEINVCGDOCQRY2).
*--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_CEINVCGDOCQRY INDEX 1 INTO DATA(WA_CEINVCGDOCQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEINVCGDOCQRY>-MANDT = 1.
<CEINVCGDOCQRY>-UTILITIESINVOICINGDOCUMENT = 1.
<CEINVCGDOCQRY>-UTILITIESINVOICINGDOCPRINTDATE = 1.
<CEINVCGDOCQRY>-CASHDISCOUNTDUEDATE = 1.
<CEINVCGDOCQRY>-POSTINGDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEINVCGDOCQRY-DOCUMENTDATE, sy-vline,
  WA_CEINVCGDOCQRY-TRANSACTIONCURRENCY, sy-vline,
  WA_CEINVCGDOCQRY-DISPLAYCURRENCY, sy-vline,
  WA_CEINVCGDOCQRY-EXCHANGERATETYPE, sy-vline,
  WA_CEINVCGDOCQRY-PAYMENTMETHOD, sy-vline,
  WA_CEINVCGDOCQRY-UTILITIESINVOICINGREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CEINVCGDOCQRY 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_CEINVCGDOCQRY 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_CEINVCGDOCQRY INTO WA_CEINVCGDOCQRY.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ORIGINALUTILSINVCGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEINVCGDOCQRY-ORIGINALUTILSINVCGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEINVCGDOCQRY-ORIGINALUTILSINVCGDOCUMENT.
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_CEINVCGDOCQRY_STR, 
MANDT TYPE STRING,
UTILITIESINVOICINGDOCUMENT TYPE STRING,
UTILITIESINVOICINGDOCPRINTDATE TYPE STRING,
CASHDISCOUNTDUEDATE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
PAYMENTMETHOD TYPE STRING,
UTILITIESINVOICINGREASON TYPE STRING,
UTILITIESINVOICINGREASONNAME TYPE STRING,
UTILSINVCGDOCISREVERSED TYPE STRING,
UTILSINVCGDOCREVERSALRSN TYPE STRING,
UTILSINVCGDOCREVERSALRSNNAME TYPE STRING,
REVERSALUTILSINVCGDOCUMENT TYPE STRING,
UTILSINVCGDOCISNOTRELEASED TYPE STRING,
UTILSINVCGDOCISSIMULATED TYPE STRING,
UTILSINVCGDOCUMENTISPOSTED TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
UTILITIESPORTION TYPE STRING,
UTILITIESPORTIONNAME TYPE STRING,
NETDUEDATE TYPE STRING,
UTILITIESBILLINGREASON TYPE STRING,
UTILITIESBILLINGREASONNAME TYPE STRING,
UTILITIESINVOICINGPARTY TYPE STRING,
UTILSINVCGDOCCREATIONDATE TYPE STRING,
UTILSINVCGDOCCREATEDBYUSER TYPE STRING,
UTILSINVCGDOCLASTCHANGEDATE TYPE STRING,
UTILSINVCGDOCLASTCHANGEDBYUSER TYPE STRING,
ORIGINALUTILSINVCGDOCRVSLDATE TYPE STRING,
ORIGINALUTILSINVCGDOCUMENT TYPE STRING,
UTILSINVCGDOCPRINTBLOCKRSN TYPE STRING,
UTILSINVCGDOCPRINTBLOCKRSNNAME TYPE STRING,
TOTALAMOUNTINTRANSACTIONCRCY TYPE STRING,
TOTALAMOUNTINDISPLAYCRCY TYPE STRING,
NMBROFUTILSINVOICINGDOCUMENTS TYPE STRING,
NMBROFPOSTEDUTILSINVCGDOCS TYPE STRING,
NMBROFREVERSEDUTILSINVCGDOCS TYPE STRING,
NMBROFOUTSORTEDUTILSINVCGDOCS TYPE STRING,
NMBROFPRINTEDUTILSINVCGDOCS TYPE STRING,
NMBROFSIMULATEDUTILSINVCGDOCS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CEINVCGDOCQRY_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_CEINVCGDOCQRY_STR-MANDT sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESINVOICINGDOCUMENT sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESINVOICINGDOCPRINTDATE sy-vline 
WA_CEINVCGDOCQRY_STR-CASHDISCOUNTDUEDATE sy-vline 
WA_CEINVCGDOCQRY_STR-POSTINGDATE sy-vline 
WA_CEINVCGDOCQRY_STR-DOCUMENTDATE sy-vline 
WA_CEINVCGDOCQRY_STR-TRANSACTIONCURRENCY sy-vline 
WA_CEINVCGDOCQRY_STR-DISPLAYCURRENCY sy-vline 
WA_CEINVCGDOCQRY_STR-EXCHANGERATETYPE sy-vline 
WA_CEINVCGDOCQRY_STR-PAYMENTMETHOD sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESINVOICINGREASON sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESINVOICINGREASONNAME sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCISREVERSED sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCREVERSALRSN sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCREVERSALRSNNAME sy-vline 
WA_CEINVCGDOCQRY_STR-REVERSALUTILSINVCGDOCUMENT sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCISNOTRELEASED sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCISSIMULATED sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCUMENTISPOSTED sy-vline 
WA_CEINVCGDOCQRY_STR-BUSINESSPARTNER sy-vline 
WA_CEINVCGDOCQRY_STR-CONTRACTACCOUNT sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESPORTION sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESPORTIONNAME sy-vline 
WA_CEINVCGDOCQRY_STR-NETDUEDATE sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESBILLINGREASON sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESBILLINGREASONNAME sy-vline 
WA_CEINVCGDOCQRY_STR-UTILITIESINVOICINGPARTY sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCCREATIONDATE sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCCREATEDBYUSER sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCLASTCHANGEDATE sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCLASTCHANGEDBYUSER sy-vline 
WA_CEINVCGDOCQRY_STR-ORIGINALUTILSINVCGDOCRVSLDATE sy-vline 
WA_CEINVCGDOCQRY_STR-ORIGINALUTILSINVCGDOCUMENT sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCPRINTBLOCKRSN sy-vline 
WA_CEINVCGDOCQRY_STR-UTILSINVCGDOCPRINTBLOCKRSNNAME sy-vline 
WA_CEINVCGDOCQRY_STR-TOTALAMOUNTINTRANSACTIONCRCY sy-vline 
WA_CEINVCGDOCQRY_STR-TOTALAMOUNTINDISPLAYCRCY sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFUTILSINVOICINGDOCUMENTS sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFPOSTEDUTILSINVCGDOCS sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFREVERSEDUTILSINVCGDOCS sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFOUTSORTEDUTILSINVCGDOCS sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFPRINTEDUTILSINVCGDOCS sy-vline 
WA_CEINVCGDOCQRY_STR-NMBROFSIMULATEDUTILSINVCGDOCS sy-vline      INTO ld_text SEPARATED BY SPACE.

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