ABAP Select data from SAP table IMEASDOCDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMEASDOCDATA
*  INTO TABLE @DATA(IT_IMEASDOCDATA2).
*--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_IMEASDOCDATA INDEX 1 INTO DATA(WA_IMEASDOCDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMEASDOCDATA>-MANDT = 1.
<IMEASDOCDATA>-MEASUREMENTDOCUMENT = 1.
<IMEASDOCDATA>-MEASURINGPOINT = 1.
<IMEASDOCDATA>-LANGUAGE = 1.
<IMEASDOCDATA>-MEASUREMENTDOCUMENTTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMEASDOCDATA-MSMTRDNGDATE, sy-vline,
  WA_IMEASDOCDATA-MSMTRDNGTIME, sy-vline,
  WA_IMEASDOCDATA-MEASUREMENTDOCUMENTHASLONGTEXT, sy-vline,
  WA_IMEASDOCDATA-MSMTRDNGBYUSER, sy-vline,
  WA_IMEASDOCDATA-CREATIONDATE, sy-vline,
  WA_IMEASDOCDATA-CREATIONTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMEASDOCDATA 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_IMEASDOCDATA 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_IMEASDOCDATA INTO WA_IMEASDOCDATA.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MEASUREMENTREADINGENTRYUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMEASDOCDATA-MEASUREMENTREADINGENTRYUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMEASDOCDATA-MEASUREMENTREADINGENTRYUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MSMTVALUATIONCODEVERSNMBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMEASDOCDATA-MSMTVALUATIONCODEVERSNMBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMEASDOCDATA-MSMTVALUATIONCODEVERSNMBR.
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_IMEASDOCDATA_STR, 
MANDT TYPE STRING,
MEASUREMENTDOCUMENT TYPE STRING,
MEASURINGPOINT TYPE STRING,
LANGUAGE TYPE STRING,
MEASUREMENTDOCUMENTTEXT TYPE STRING,
MSMTRDNGDATE TYPE STRING,
MSMTRDNGTIME TYPE STRING,
MEASUREMENTDOCUMENTHASLONGTEXT TYPE STRING,
MSMTRDNGBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
SINGLELEVELDELETIONLOGICFLAG TYPE STRING,
MEASUREMENTDOCUMENTORIGIN TYPE STRING,
INSPECTIONLOT TYPE STRING,
INSPECTIONCHARACTERISTIC TYPE STRING,
MSMTRDNGSOURCEMEASUREMENTDOC TYPE STRING,
PRODNRSCETOOLTYPECODE TYPE STRING,
PRODNRSCETOOLINTERNALID TYPE STRING,
MSMTDOCUMENTREFERREDORDER TYPE STRING,
MSMTISDONEAFTERTASKCOMPLTN TYPE STRING,
MEASUREMENTREADING TYPE STRING,
MEASUREMENTREADINGINENTRYUOM TYPE STRING,
MEASUREMENTREADINGENTRYUOM TYPE STRING,
MEASUREMENTCOUNTERREADING TYPE STRING,
MSMTCOUNTERREADINGDIFFERENCE TYPE STRING,
MSMTCNTRREADINGDIFFISENTERED TYPE STRING,
MSMTCOUNTERREADINGISREPLACED TYPE STRING,
MEASUREMENTDOCUMENTCATALOGTYPE TYPE STRING,
MEASUREMENTDOCUMENTCODEGROUP TYPE STRING,
MSMTVALUATIONCODE TYPE STRING,
MSMTVALUATIONCODEVERSNMBR TYPE STRING,
MSMTRDNGSTATUS TYPE STRING,
MSMTRDNGISREVERSED TYPE STRING,
INSPECTIONVALUATIONRESULT TYPE STRING,
MSMTRDNGISINTERVALDOC TYPE STRING,
MSMTRDNGINTERVALSTARTDATE TYPE STRING,
MSMTRDNGINTERVALSTARTTIME TYPE STRING,
MAINTORDEROPERATIONINTERNALID TYPE STRING,
MSMTREADINGISUNDERTHRESHOLD TYPE STRING,
MSMTREADINGISOVERTHRESHOLD TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMEASDOCDATA_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_IMEASDOCDATA_STR-MANDT sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENT sy-vline 
WA_IMEASDOCDATA_STR-MEASURINGPOINT sy-vline 
WA_IMEASDOCDATA_STR-LANGUAGE sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENTTEXT sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGDATE sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGTIME sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENTHASLONGTEXT sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGBYUSER sy-vline 
WA_IMEASDOCDATA_STR-CREATIONDATE sy-vline 
WA_IMEASDOCDATA_STR-CREATIONTIME sy-vline 
WA_IMEASDOCDATA_STR-CREATEDBYUSER sy-vline 
WA_IMEASDOCDATA_STR-LASTCHANGEDATE sy-vline 
WA_IMEASDOCDATA_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMEASDOCDATA_STR-SINGLELEVELDELETIONLOGICFLAG sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENTORIGIN sy-vline 
WA_IMEASDOCDATA_STR-INSPECTIONLOT sy-vline 
WA_IMEASDOCDATA_STR-INSPECTIONCHARACTERISTIC sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGSOURCEMEASUREMENTDOC sy-vline 
WA_IMEASDOCDATA_STR-PRODNRSCETOOLTYPECODE sy-vline 
WA_IMEASDOCDATA_STR-PRODNRSCETOOLINTERNALID sy-vline 
WA_IMEASDOCDATA_STR-MSMTDOCUMENTREFERREDORDER sy-vline 
WA_IMEASDOCDATA_STR-MSMTISDONEAFTERTASKCOMPLTN sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTREADING sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTREADINGINENTRYUOM sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTREADINGENTRYUOM sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTCOUNTERREADING sy-vline 
WA_IMEASDOCDATA_STR-MSMTCOUNTERREADINGDIFFERENCE sy-vline 
WA_IMEASDOCDATA_STR-MSMTCNTRREADINGDIFFISENTERED sy-vline 
WA_IMEASDOCDATA_STR-MSMTCOUNTERREADINGISREPLACED sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENTCATALOGTYPE sy-vline 
WA_IMEASDOCDATA_STR-MEASUREMENTDOCUMENTCODEGROUP sy-vline 
WA_IMEASDOCDATA_STR-MSMTVALUATIONCODE sy-vline 
WA_IMEASDOCDATA_STR-MSMTVALUATIONCODEVERSNMBR sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGSTATUS sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGISREVERSED sy-vline 
WA_IMEASDOCDATA_STR-INSPECTIONVALUATIONRESULT sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGISINTERVALDOC sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGINTERVALSTARTDATE sy-vline 
WA_IMEASDOCDATA_STR-MSMTRDNGINTERVALSTARTTIME sy-vline 
WA_IMEASDOCDATA_STR-MAINTORDEROPERATIONINTERNALID sy-vline 
WA_IMEASDOCDATA_STR-MSMTREADINGISUNDERTHRESHOLD sy-vline 
WA_IMEASDOCDATA_STR-MSMTREADINGISOVERTHRESHOLD sy-vline 
WA_IMEASDOCDATA_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.