ABAP Select data from SAP table CENGMTPLNDATATP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CENGMTPLNDATATP
*  INTO TABLE @DATA(IT_CENGMTPLNDATATP2).
*--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_CENGMTPLNDATATP INDEX 1 INTO DATA(WA_CENGMTPLNDATATP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CENGMTPLNDATATP>-MANDT = 1.
<CENGMTPLNDATATP>-ENGMTPROJFINPLANVERSION = 1.
<CENGMTPLNDATATP>-ENGAGEMENTPROJECT = 1.
<CENGMTPLNDATATP>-WORKPACKAGEUUID = 1.
<CENGMTPLNDATATP>-ENGAGEMENTPROJECTRESOURCETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CENGMTPLNDATATP-ENGAGEMENTPROJECTRESOURCE, sy-vline,
  WA_CENGMTPLNDATATP-FISCALPERIOD, sy-vline,
  WA_CENGMTPLNDATATP-FISCALYEAR, sy-vline,
  WA_CENGMTPLNDATATP-EMPLOYMENTINTERNALID, sy-vline,
  WA_CENGMTPLNDATATP-ENGMTPROJEMPLOYEEISSTAFFED, sy-vline,
  WA_CENGMTPLNDATATP-WORKITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CENGMTPLNDATATP 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_CENGMTPLNDATATP 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_CENGMTPLNDATATP INTO WA_CENGMTPLNDATATP.


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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CENGMTPLNDATATP-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CENGMTPLNDATATP-UNITOFMEASURE.
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_CENGMTPLNDATATP_STR, 
MANDT TYPE STRING,
ENGMTPROJFINPLANVERSION TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
WORKPACKAGEUUID TYPE STRING,
ENGAGEMENTPROJECTRESOURCETYPE TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
ENGMTPROJEMPLOYEEISSTAFFED TYPE STRING,
WORKITEM TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
RESOURCEDEMANDUUID TYPE STRING,
ENGAGEMENTPROJECTUUID TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
ENGMNTPROJPLANLINETYPE TYPE STRING,
RESOURCEDEMAND TYPE STRING,
RESOURCESUPPLY TYPE STRING,
SOURCEOFSUPPLY TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKPACKAGENAME TYPE STRING,
WORKPACKAGESTARTDATE TYPE STRING,
WORKPACKAGEENDDATE TYPE STRING,
CURRENCY TYPE STRING,
UNITOFMEASURE TYPE STRING,
PLNDCOSTAMT TYPE STRING,
PLNDEFFORTQTY TYPE STRING,
PLNDREVNAMT TYPE STRING,
ACTUALPLANDEVIATIONCOST TYPE STRING,
ACTUALPLANDEVIATIONEFFORT TYPE STRING,
ACTUALPLANDEVIATIONREVENUE TYPE STRING,
EMPLOYEENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CENGMTPLNDATATP_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_CENGMTPLNDATATP_STR-MANDT sy-vline 
WA_CENGMTPLNDATATP_STR-ENGMTPROJFINPLANVERSION sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJECT sy-vline 
WA_CENGMTPLNDATATP_STR-WORKPACKAGEUUID sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJECTRESOURCETYPE sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_CENGMTPLNDATATP_STR-FISCALPERIOD sy-vline 
WA_CENGMTPLNDATATP_STR-FISCALYEAR sy-vline 
WA_CENGMTPLNDATATP_STR-EMPLOYMENTINTERNALID sy-vline 
WA_CENGMTPLNDATATP_STR-ENGMTPROJEMPLOYEEISSTAFFED sy-vline 
WA_CENGMTPLNDATATP_STR-WORKITEM sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_CENGMTPLNDATATP_STR-RESOURCEDEMANDUUID sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJECTUUID sy-vline 
WA_CENGMTPLNDATATP_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_CENGMTPLNDATATP_STR-ENGMNTPROJPLANLINETYPE sy-vline 
WA_CENGMTPLNDATATP_STR-RESOURCEDEMAND sy-vline 
WA_CENGMTPLNDATATP_STR-RESOURCESUPPLY sy-vline 
WA_CENGMTPLNDATATP_STR-SOURCEOFSUPPLY sy-vline 
WA_CENGMTPLNDATATP_STR-WORKPACKAGE sy-vline 
WA_CENGMTPLNDATATP_STR-WORKPACKAGENAME sy-vline 
WA_CENGMTPLNDATATP_STR-WORKPACKAGESTARTDATE sy-vline 
WA_CENGMTPLNDATATP_STR-WORKPACKAGEENDDATE sy-vline 
WA_CENGMTPLNDATATP_STR-CURRENCY sy-vline 
WA_CENGMTPLNDATATP_STR-UNITOFMEASURE sy-vline 
WA_CENGMTPLNDATATP_STR-PLNDCOSTAMT sy-vline 
WA_CENGMTPLNDATATP_STR-PLNDEFFORTQTY sy-vline 
WA_CENGMTPLNDATATP_STR-PLNDREVNAMT sy-vline 
WA_CENGMTPLNDATATP_STR-ACTUALPLANDEVIATIONCOST sy-vline 
WA_CENGMTPLNDATATP_STR-ACTUALPLANDEVIATIONEFFORT sy-vline 
WA_CENGMTPLNDATATP_STR-ACTUALPLANDEVIATIONREVENUE sy-vline 
WA_CENGMTPLNDATATP_STR-EMPLOYEENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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