ABAP Select data from SAP table IIMETHDINSPECVH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IIMETHDINSPECVH
*  INTO TABLE @DATA(IT_IIMETHDINSPECVH2).
*--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_IIMETHDINSPECVH INDEX 1 INTO DATA(WA_IIMETHDINSPECVH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IIMETHDINSPECVH>-MANDT = 1.
<IIMETHDINSPECVH>-INSPECTIONMETHOD = 1.
<IIMETHDINSPECVH>-INSPECTIONMETHODPLANT = 1.
<IIMETHDINSPECVH>-INSPECTIONMETHODVERSION = 1.
<IIMETHDINSPECVH>-INSPECTIONSPECIFICATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IIMETHDINSPECVH-INSPECTIONSPECIFICATIONPLANT, sy-vline,
  WA_IIMETHDINSPECVH-INSPECTIONSPECIFICATIONVERSION, sy-vline,
  WA_IIMETHDINSPECVH-INSPMETHINFORMATIONFIELD1, sy-vline,
  WA_IIMETHDINSPECVH-INSPMETHINFORMATIONFIELD2, sy-vline,
  WA_IIMETHDINSPECVH-INSPMETHINFORMATIONFIELD3, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_IIMETHDINSPECVH 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_IIMETHDINSPECVH 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_IIMETHDINSPECVH INTO WA_IIMETHDINSPECVH.


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

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

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

*Conversion exit ALPHA, internal->external for field INSPECTIONSPECIFICATIONVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IIMETHDINSPECVH-INSPECTIONSPECIFICATIONVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IIMETHDINSPECVH-INSPECTIONSPECIFICATIONVERSION.
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_IIMETHDINSPECVH_STR, 
MANDT TYPE STRING,
INSPECTIONMETHOD TYPE STRING,
INSPECTIONMETHODPLANT TYPE STRING,
INSPECTIONMETHODVERSION TYPE STRING,
INSPECTIONSPECIFICATION TYPE STRING,
INSPECTIONSPECIFICATIONPLANT TYPE STRING,
INSPECTIONSPECIFICATIONVERSION TYPE STRING,
INSPMETHINFORMATIONFIELD1 TYPE STRING,
INSPMETHINFORMATIONFIELD2 TYPE STRING,
INSPMETHINFORMATIONFIELD3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IIMETHDINSPECVH_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_IIMETHDINSPECVH_STR-MANDT sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONMETHOD sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONMETHODPLANT sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONMETHODVERSION sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONSPECIFICATION sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONSPECIFICATIONPLANT sy-vline 
WA_IIMETHDINSPECVH_STR-INSPECTIONSPECIFICATIONVERSION sy-vline 
WA_IIMETHDINSPECVH_STR-INSPMETHINFORMATIONFIELD1 sy-vline 
WA_IIMETHDINSPECVH_STR-INSPMETHINFORMATIONFIELD2 sy-vline 
WA_IIMETHDINSPECVH_STR-INSPMETHINFORMATIONFIELD3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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