ABAP Select data from SAP table CCAINVDOCH_COH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCAINVDOCH_COH
*  INTO TABLE @DATA(IT_CCAINVDOCH_COH2).
*--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_CCAINVDOCH_COH INDEX 1 INTO DATA(WA_CCAINVDOCH_COH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCAINVDOCH_COH>-MANDT = 1.
<CCAINVDOCH_COH>-CACORRESPONDENCETYPE = 1.
<CCAINVDOCH_COH>-CACORRESPONDENCE = 1.
<CCAINVDOCH_COH>-CONTRACTACCOUNT = 1.
<CCAINVDOCH_COH>-BUSINESSPARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCAINVDOCH_COH-CACONTRACT, sy-vline,
  WA_CCAINVDOCH_COH-ORIGLCORRESPONDENCERECIPIENT, sy-vline,
  WA_CCAINVDOCH_COH-COMPANYCODE, sy-vline,
  WA_CCAINVDOCH_COH-CREATEDBYUSER, sy-vline,
  WA_CCAINVDOCH_COH-CREATIONDATE, sy-vline,
  WA_CCAINVDOCH_COH-CREATIONTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCAINVDOCH_COH 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_CCAINVDOCH_COH 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_CCAINVDOCH_COH INTO WA_CCAINVDOCH_COH.


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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CCAINVDOCH_COH-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCAINVDOCH_COH-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CACORRESPNCSENDERADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCAINVDOCH_COH-CACORRESPNCSENDERADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCAINVDOCH_COH-CACORRESPNCSENDERADDRESSID.
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_CCAINVDOCH_COH_STR, 
MANDT TYPE STRING,
CACORRESPONDENCETYPE TYPE STRING,
CACORRESPONDENCE TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CACONTRACT TYPE STRING,
ORIGLCORRESPONDENCERECIPIENT TYPE STRING,
COMPANYCODE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CORRESPONDENCEPRINTDATE TYPE STRING,
CORRESPONDENCEISSUEDATE TYPE STRING,
CORRESPONDENCEISSUETIME TYPE STRING,
CURRENCY TYPE STRING,
CAAMOUNTINLOCALCURRENCY TYPE STRING,
CAMASSRUNDATE TYPE STRING,
CAMASSRUNID TYPE STRING,
LANGUAGE TYPE STRING,
CORRESPONDENCE1STENTITYIDN TYPE STRING,
CORRESPONDENCE1STENTITYDATA TYPE STRING,
CORRESPONDENCE2NDENTITYIDN TYPE STRING,
CORRESPONDENCE2NDENTITYDATA TYPE STRING,
CORRESPONDENCE3RDENTITYIDN TYPE STRING,
CORRESPONDENCE3RDENTITYDATA TYPE STRING,
CORRESPONDENCE4THENTITYIDN TYPE STRING,
CORRESPONDENCE4THENTITYDATA TYPE STRING,
CACORRESPNCSENDERADDRESSID TYPE STRING,
SENDERCITYNAME TYPE STRING,
SENDERPOSTALCODE TYPE STRING,
SENDERSTREETNAME TYPE STRING,
SENDERHOUSENUMBER TYPE STRING,
SENDERCOUNTRY TYPE STRING,
RECIPIENTCITYNAME TYPE STRING,
RECIPIENTPOSTALCODE TYPE STRING,
RECIPIENTSTREETNAME TYPE STRING,
RECIPIENTHOUSENUMBER TYPE STRING,
RECIPIENTCOUNTRY TYPE STRING,
CUSTOMERCITYNAME TYPE STRING,
CUSTOMERPOSTALCODE TYPE STRING,
CUSTOMERSTREETNAME TYPE STRING,
BUSINESSPARTNERHOUSENUMBER TYPE STRING,
CUSTOMERCOUNTRY TYPE STRING,
CAINVCGDOCUMENTREVERSALREASON TYPE STRING,
CAINVCGDOCISLOCKEDFORPRINTING TYPE STRING,
CAINVCGPROCESS TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
CAINVCGCATEGORY TYPE STRING,
CAINVCGTYPE TYPE STRING,
CAINVCGDOCPERIODCATEGORY TYPE STRING,
CAINVCGTARGETPROCESS TYPE STRING,
CAINVCGCORRECTIONCATEGORY TYPE STRING,
CAINVCGDOCHASCHARGEORDISCITEMS TYPE STRING,
CAINVCGDOCCREATIONMODE TYPE STRING,
CAINVCGMASTERDATATYPE TYPE STRING,
CAINVCGTECHNICALDOCUMENTTYPE TYPE STRING,
CAINVCGDOCISPARTOFLIST TYPE STRING,
CAINVCGBOLLOTAXPOSTSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCAINVDOCH_COH_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_CCAINVDOCH_COH_STR-MANDT sy-vline 
WA_CCAINVDOCH_COH_STR-CACORRESPONDENCETYPE sy-vline 
WA_CCAINVDOCH_COH_STR-CACORRESPONDENCE sy-vline 
WA_CCAINVDOCH_COH_STR-CONTRACTACCOUNT sy-vline 
WA_CCAINVDOCH_COH_STR-BUSINESSPARTNER sy-vline 
WA_CCAINVDOCH_COH_STR-CACONTRACT sy-vline 
WA_CCAINVDOCH_COH_STR-ORIGLCORRESPONDENCERECIPIENT sy-vline 
WA_CCAINVDOCH_COH_STR-COMPANYCODE sy-vline 
WA_CCAINVDOCH_COH_STR-CREATEDBYUSER sy-vline 
WA_CCAINVDOCH_COH_STR-CREATIONDATE sy-vline 
WA_CCAINVDOCH_COH_STR-CREATIONTIME sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCEPRINTDATE sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCEISSUEDATE sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCEISSUETIME sy-vline 
WA_CCAINVDOCH_COH_STR-CURRENCY sy-vline 
WA_CCAINVDOCH_COH_STR-CAAMOUNTINLOCALCURRENCY sy-vline 
WA_CCAINVDOCH_COH_STR-CAMASSRUNDATE sy-vline 
WA_CCAINVDOCH_COH_STR-CAMASSRUNID sy-vline 
WA_CCAINVDOCH_COH_STR-LANGUAGE sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE1STENTITYIDN sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE1STENTITYDATA sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE2NDENTITYIDN sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE2NDENTITYDATA sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE3RDENTITYIDN sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE3RDENTITYDATA sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE4THENTITYIDN sy-vline 
WA_CCAINVDOCH_COH_STR-CORRESPONDENCE4THENTITYDATA sy-vline 
WA_CCAINVDOCH_COH_STR-CACORRESPNCSENDERADDRESSID sy-vline 
WA_CCAINVDOCH_COH_STR-SENDERCITYNAME sy-vline 
WA_CCAINVDOCH_COH_STR-SENDERPOSTALCODE sy-vline 
WA_CCAINVDOCH_COH_STR-SENDERSTREETNAME sy-vline 
WA_CCAINVDOCH_COH_STR-SENDERHOUSENUMBER sy-vline 
WA_CCAINVDOCH_COH_STR-SENDERCOUNTRY sy-vline 
WA_CCAINVDOCH_COH_STR-RECIPIENTCITYNAME sy-vline 
WA_CCAINVDOCH_COH_STR-RECIPIENTPOSTALCODE sy-vline 
WA_CCAINVDOCH_COH_STR-RECIPIENTSTREETNAME sy-vline 
WA_CCAINVDOCH_COH_STR-RECIPIENTHOUSENUMBER sy-vline 
WA_CCAINVDOCH_COH_STR-RECIPIENTCOUNTRY sy-vline 
WA_CCAINVDOCH_COH_STR-CUSTOMERCITYNAME sy-vline 
WA_CCAINVDOCH_COH_STR-CUSTOMERPOSTALCODE sy-vline 
WA_CCAINVDOCH_COH_STR-CUSTOMERSTREETNAME sy-vline 
WA_CCAINVDOCH_COH_STR-BUSINESSPARTNERHOUSENUMBER sy-vline 
WA_CCAINVDOCH_COH_STR-CUSTOMERCOUNTRY sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCUMENTREVERSALREASON sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCISLOCKEDFORPRINTING sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGPROCESS sy-vline 
WA_CCAINVDOCH_COH_STR-CAAPPLICATIONAREA sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGCATEGORY sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGTYPE sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCPERIODCATEGORY sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGTARGETPROCESS sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGCORRECTIONCATEGORY sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCHASCHARGEORDISCITEMS sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCCREATIONMODE sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGMASTERDATATYPE sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGTECHNICALDOCUMENTTYPE sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGDOCISPARTOFLIST sy-vline 
WA_CCAINVDOCH_COH_STR-CAINVCGBOLLOTAXPOSTSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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