ABAP Select data from SAP table CECONTPRODHISTQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CECONTPRODHISTQ
*  INTO TABLE @DATA(IT_CECONTPRODHISTQ2).
*--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_CECONTPRODHISTQ INDEX 1 INTO DATA(WA_CECONTPRODHISTQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CECONTPRODHISTQ>-MANDT = 1.
<CECONTPRODHISTQ>-UTILITIESCONTRACT = 1.
<CECONTPRODHISTQ>-UTILSPRODALLOCATIONENDDATE = 1.
<CECONTPRODHISTQ>-CADUNNINGPROCEDURE = 1.
<CECONTPRODHISTQ>-CADUNNINGPROCEDURENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CECONTPRODHISTQ-COMPANYCODE, sy-vline,
  WA_CECONTPRODHISTQ-COMPANYCODENAME, sy-vline,
  WA_CECONTPRODHISTQ-DELETIONINDICATOR, sy-vline,
  WA_CECONTPRODHISTQ-UTILSCONTRJOINTINVCTYPE, sy-vline,
  WA_CECONTPRODHISTQ-UTILSCONTRJOINTINVCTYPENAME, sy-vline,
  WA_CECONTPRODHISTQ-NUMBEROFPRODUCTCHANGES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CECONTPRODHISTQ 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_CECONTPRODHISTQ 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_CECONTPRODHISTQ INTO WA_CECONTPRODHISTQ.


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

*Conversion exit ALPHA, internal->external for field UTILITIESINSTALLATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CECONTPRODHISTQ-UTILITIESINSTALLATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECONTPRODHISTQ-UTILITIESINSTALLATION.
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_CECONTPRODHISTQ_STR, 
MANDT TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
UTILSPRODALLOCATIONENDDATE TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
CADUNNINGPROCEDURENAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
DELETIONINDICATOR TYPE STRING,
UTILSCONTRJOINTINVCTYPE TYPE STRING,
UTILSCONTRJOINTINVCTYPENAME TYPE STRING,
NUMBEROFPRODUCTCHANGES TYPE STRING,
UTILITIESACCOUNTDETNCODE TYPE STRING,
UTILITIESCONTRACTCANCLNDATE TYPE STRING,
UTILITIESCONTRACTRENEWALDATE TYPE STRING,
UTILITIESDIVISION TYPE STRING,
DIVISIONNAME TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
UTILITIESMOVEINDATE TYPE STRING,
UTILITIESMOVEOUTDATE TYPE STRING,
UTILITIESPREVIOUSPRODUCT TYPE STRING,
UTILITIESPRODUCT TYPE STRING,
UTILITIESSERVICEPROVIDER TYPE STRING,
UTILSBILLGBLOCKREASON TYPE STRING,
UTILSBILLGBLOCKREASONNAME TYPE STRING,
UTILSBILLGUNBLOCKREASON TYPE STRING,
UTILSBILLGUNBLOCKREASONNAME TYPE STRING,
UTILSCONTRHISTORYISNOTEXISTING TYPE STRING,
UTILSCONTRISBILLEDMANUALLY TYPE STRING,
UTILSCONTRACTCREATEDBYUSER TYPE STRING,
UTILSCONTRACTCREATIONDATE TYPE STRING,
UTILSCONTRACTLASTCHANGEDATE TYPE STRING,
UTILSCONTRACTLASTCHANGEDBYUSER TYPE STRING,
UTILSCONTRACTPROCESSINGSTS TYPE STRING,
UTILSCONTRACTPROCESSINGSTSNAME TYPE STRING,
UTILSMOVEINDATEASYEARMONTH TYPE STRING,
UTILSMOVEOUTDATEASYEARMONTH TYPE STRING,
UTILSPLANTORCOMPANYCONSUMPTION TYPE STRING,
UTILSPLANTORCOMPANYCNSMPNNAME TYPE STRING,
UTILSPRODALLOCATIONSTARTDATE TYPE STRING,
NROFCREATEDUTILITIESCONTRACT TYPE STRING,
NROFTERMINATEDUTILSCONTRACTS TYPE STRING,
UTILSANLYSTIMEFRAMESTARTDATE TYPE STRING,
UTILSANLYSTIMEFRAMEENDDATE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CECONTPRODHISTQ_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_CECONTPRODHISTQ_STR-MANDT sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESCONTRACT sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSPRODALLOCATIONENDDATE sy-vline 
WA_CECONTPRODHISTQ_STR-CADUNNINGPROCEDURE sy-vline 
WA_CECONTPRODHISTQ_STR-CADUNNINGPROCEDURENAME sy-vline 
WA_CECONTPRODHISTQ_STR-COMPANYCODE sy-vline 
WA_CECONTPRODHISTQ_STR-COMPANYCODENAME sy-vline 
WA_CECONTPRODHISTQ_STR-DELETIONINDICATOR sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRJOINTINVCTYPE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRJOINTINVCTYPENAME sy-vline 
WA_CECONTPRODHISTQ_STR-NUMBEROFPRODUCTCHANGES sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESACCOUNTDETNCODE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESCONTRACTCANCLNDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESCONTRACTRENEWALDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESDIVISION sy-vline 
WA_CECONTPRODHISTQ_STR-DIVISIONNAME sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESINSTALLATION sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESMOVEINDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESMOVEOUTDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESPREVIOUSPRODUCT sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESPRODUCT sy-vline 
WA_CECONTPRODHISTQ_STR-UTILITIESSERVICEPROVIDER sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSBILLGBLOCKREASON sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSBILLGBLOCKREASONNAME sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSBILLGUNBLOCKREASON sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSBILLGUNBLOCKREASONNAME sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRHISTORYISNOTEXISTING sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRISBILLEDMANUALLY sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTCREATEDBYUSER sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTCREATIONDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTLASTCHANGEDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTLASTCHANGEDBYUSER sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTPROCESSINGSTS sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSCONTRACTPROCESSINGSTSNAME sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSMOVEINDATEASYEARMONTH sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSMOVEOUTDATEASYEARMONTH sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSPLANTORCOMPANYCONSUMPTION sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSPLANTORCOMPANYCNSMPNNAME sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSPRODALLOCATIONSTARTDATE sy-vline 
WA_CECONTPRODHISTQ_STR-NROFCREATEDUTILITIESCONTRACT sy-vline 
WA_CECONTPRODHISTQ_STR-NROFTERMINATEDUTILSCONTRACTS sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSANLYSTIMEFRAMESTARTDATE sy-vline 
WA_CECONTPRODHISTQ_STR-UTILSANLYSTIMEFRAMEENDDATE sy-vline 
WA_CECONTPRODHISTQ_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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