ABAP Select data from SAP table /SAPTRX/BAPI_EH_MEASUREMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPTRX/BAPI_EH_MEASUREMENT 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 /SAPTRX/BAPI_EH_MEASUREMENT. 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 /SAPTRX/BAPI_EH_MEASUREMENT 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_/SAPTRX/BAPI_EH_MEASUREMENT TYPE STANDARD TABLE OF /SAPTRX/BAPI_EH_MEASUREMENT,
      WA_/SAPTRX/BAPI_EH_MEASUREMENT TYPE /SAPTRX/BAPI_EH_MEASUREMENT,
      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: </SAPTRX/BAPI_EH_MEASUREMENT> TYPE /SAPTRX/BAPI_EH_MEASUREMENT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPTRX/BAPI_EH_MEASUREMENT
  INTO TABLE IT_/SAPTRX/BAPI_EH_MEASUREMENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPTRX/BAPI_EH_MEASUREMENT
*  INTO TABLE @DATA(IT_/SAPTRX/BAPI_EH_MEASUREMENT2).
*--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_/SAPTRX/BAPI_EH_MEASUREMENT INDEX 1 INTO DATA(WA_/SAPTRX/BAPI_EH_MEASUREMENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPTRX/BAPI_EH_MEASUREMENT ASSIGNING </SAPTRX/BAPI_EH_MEASUREMENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPTRX/BAPI_EH_MEASUREMENT>-EH_GUID = 1.
</SAPTRX/BAPI_EH_MEASUREMENT>-SEQ_NBR = 1.
</SAPTRX/BAPI_EH_MEASUREMENT>-EE_SEQ_NBR = 1.
</SAPTRX/BAPI_EH_MEASUREMENT>-MESTYP = 1.
</SAPTRX/BAPI_EH_MEASUREMENT>-OBJTYP = 1.

ENDLOOP.

LOOP AT IT_/SAPTRX/BAPI_EH_MEASUREMENT INTO WA_/SAPTRX/BAPI_EH_MEASUREMENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPTRX/BAPI_EH_MEASUREMENT-OBJID, sy-vline,
  WA_/SAPTRX/BAPI_EH_MEASUREMENT-PARCOD, sy-vline,
  WA_/SAPTRX/BAPI_EH_MEASUREMENT-PARID, sy-vline,
  WA_/SAPTRX/BAPI_EH_MEASUREMENT-ITMTYP, sy-vline,
  WA_/SAPTRX/BAPI_EH_MEASUREMENT-ITMID, sy-vline,
  WA_/SAPTRX/BAPI_EH_MEASUREMENT-PLAN_AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPTRX/BAPI_EH_MEASUREMENT 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_/SAPTRX/BAPI_EH_MEASUREMENT 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_/SAPTRX/BAPI_EH_MEASUREMENT INTO WA_/SAPTRX/BAPI_EH_MEASUREMENT.


*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 CUNIT, internal->external for field PLAN_AMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPTRX/BAPI_EH_MEASUREMENT-PLAN_AMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPTRX/BAPI_EH_MEASUREMENT-PLAN_AMUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field ACT_CNFTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPTRX/BAPI_EH_MEASUREMENT-ACT_CNFTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPTRX/BAPI_EH_MEASUREMENT-ACT_CNFTST.
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_/SAPTRX/BAPI_EH_MEASUREMENT_STR, 
EH_GUID TYPE STRING,
SEQ_NBR TYPE STRING,
EE_SEQ_NBR TYPE STRING,
MESTYP TYPE STRING,
OBJTYP TYPE STRING,
OBJID TYPE STRING,
PARCOD TYPE STRING,
PARID TYPE STRING,
ITMTYP TYPE STRING,
ITMID TYPE STRING,
PLAN_AMOUNT TYPE STRING,
PLAN_AMUNIT TYPE STRING,
PLAN_CURRENCY TYPE STRING,
CONF_TYPE TYPE STRING,
CONF_DEVIATION TYPE STRING,
CONF_HI TYPE STRING,
CONF_LO TYPE STRING,
ACT_AMOUNT TYPE STRING,
ACT_AMUNIT TYPE STRING,
ACT_CURRENCY TYPE STRING,
ACT_MESSIG TYPE STRING,
ACT_MESATT TYPE STRING,
ACT_CNFDAT TYPE STRING,
ACT_CNFTIM TYPE STRING,
ACT_CNFZON TYPE STRING,
ACT_CNFTST TYPE STRING,
ME_STATUS TYPE STRING,
EVENT_CODE TYPE STRING,
EVENT_GROUP TYPE STRING,
PARTNER_ID_TYPE TYPE STRING,
PARTNER_ID TYPE STRING,
LOC_ID_TYPE TYPE STRING,
LOC_ID_1 TYPE STRING,
LOC_ID_2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPTRX/BAPI_EH_MEASUREMENT_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_/SAPTRX/BAPI_EH_MEASUREMENT_STR-EH_GUID sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-SEQ_NBR sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-EE_SEQ_NBR sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-MESTYP sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-OBJTYP sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-OBJID sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PARCOD sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PARID sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ITMTYP sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ITMID sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PLAN_AMOUNT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PLAN_AMUNIT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PLAN_CURRENCY sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-CONF_TYPE sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-CONF_DEVIATION sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-CONF_HI sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-CONF_LO sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_AMOUNT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_AMUNIT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_CURRENCY sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_MESSIG sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_MESATT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_CNFDAT sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_CNFTIM sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_CNFZON sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ACT_CNFTST sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-ME_STATUS sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-EVENT_CODE sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-EVENT_GROUP sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PARTNER_ID_TYPE sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-PARTNER_ID sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-LOC_ID_TYPE sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-LOC_ID_1 sy-vline 
WA_/SAPTRX/BAPI_EH_MEASUREMENT_STR-LOC_ID_2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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