ABAP Select data from SAP table ISMFGWORKINSTRNPLACEHOLDERTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISMFGWORKINSTRNPLACEHOLDERTP
*  INTO TABLE @DATA(IT_ISMFGWORKINSTRNPLACEHOLDERTP2).
*--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_ISMFGWORKINSTRNPLACEHOLDERTP INDEX 1 INTO DATA(WA_ISMFGWORKINSTRNPLACEHOLDERTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISMFGWORKINSTRNPLACEHOLDERTP>-KEY = 1.
<ISMFGWORKINSTRNPLACEHOLDERTP>-PARENT_KEY = 1.
<ISMFGWORKINSTRNPLACEHOLDERTP>-ROOT_KEY = 1.
<ISMFGWORKINSTRNPLACEHOLDERTP>-MFGWORKINSTRUCTION = 1.
<ISMFGWORKINSTRNPLACEHOLDERTP>-MFGWORKINSTRUCTIONVERSCOUNTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISMFGWORKINSTRNPLACEHOLDERTP-MFGWORKINSTRUCTIONPLACEHOLDER, sy-vline,
  WA_ISMFGWORKINSTRNPLACEHOLDERTP-LANGUAGE, sy-vline,
  WA_ISMFGWORKINSTRNPLACEHOLDERTP-MFGWORKINSTRUCTIONVARIABLE, sy-vline,
  WA_ISMFGWORKINSTRNPLACEHOLDERTP-PRODNRTGVERSBOMINTERNALID, sy-vline,
  WA_ISMFGWORKINSTRNPLACEHOLDERTP-SELECTEDCONTEXTTYPE, sy-vline,
  WA_ISMFGWORKINSTRNPLACEHOLDERTP-SELECTEDCONTEXTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISMFGWORKINSTRNPLACEHOLDERTP 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_ISMFGWORKINSTRNPLACEHOLDERTP 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_ISMFGWORKINSTRNPLACEHOLDERTP INTO WA_ISMFGWORKINSTRNPLACEHOLDERTP.


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

*Conversion exit MATN1, internal->external for field BILLOFMATERIALCOMPONENT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISMFGWORKINSTRNPLACEHOLDERTP-BILLOFMATERIALCOMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMFGWORKINSTRNPLACEHOLDERTP-BILLOFMATERIALCOMPONENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISMFGWORKINSTRNPLACEHOLDERTP-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMFGWORKINSTRNPLACEHOLDERTP-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOCUMENTINFORECORD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISMFGWORKINSTRNPLACEHOLDERTP-DOCUMENTINFORECORD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMFGWORKINSTRNPLACEHOLDERTP-DOCUMENTINFORECORD.
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_ISMFGWORKINSTRNPLACEHOLDERTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
MFGWORKINSTRUCTION TYPE STRING,
MFGWORKINSTRUCTIONVERSCOUNTER TYPE STRING,
MFGWORKINSTRUCTIONPLACEHOLDER TYPE STRING,
LANGUAGE TYPE STRING,
MFGWORKINSTRUCTIONVARIABLE TYPE STRING,
PRODNRTGVERSBOMINTERNALID TYPE STRING,
SELECTEDCONTEXTTYPE TYPE STRING,
SELECTEDCONTEXTNAME TYPE STRING,
MFGWRKINSTRNPLACEHOLDERISREF TYPE STRING,
MFGWRKINSTRNPLACEHOLDERISLINK TYPE STRING,
WORKINSTRNPLACEHOLDERISINPTFLD TYPE STRING,
MFGWRKINSTRNPLCHLDRINPTLBLTYPE TYPE STRING,
MFGWRKINSTRNPLCHLDRCOLLINTID TYPE STRING,
INSPECTIONCHARACTERISTICNMBR TYPE STRING,
PRODNRSCETOOLCOUNTER TYPE STRING,
BOOOPBOMITEMINTERNALID TYPE STRING,
LOGICALCOMPONENT TYPE STRING,
ORIGLDGTLMOCKUPCHARCSUUID TYPE STRING,
BOOCHARCGROUP TYPE STRING,
PRODMFGINFOCAMERAINTERNALID TYPE STRING,
PRODMFGINFOITEMVALUEUUID TYPE STRING,
BILLOFMATERIALCOMPONENT TYPE STRING,
BILLOFMATERIALITEMUNIT TYPE STRING,
MATERIAL TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTINFORECORD TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISMFGWORKINSTRNPLACEHOLDERTP_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_ISMFGWORKINSTRNPLACEHOLDERTP_STR-KEY sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-PARENT_KEY sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-ROOT_KEY sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWORKINSTRUCTION sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWORKINSTRUCTIONVERSCOUNTER sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWORKINSTRUCTIONPLACEHOLDER sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-LANGUAGE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWORKINSTRUCTIONVARIABLE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-PRODNRTGVERSBOMINTERNALID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-SELECTEDCONTEXTTYPE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-SELECTEDCONTEXTNAME sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWRKINSTRNPLACEHOLDERISREF sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWRKINSTRNPLACEHOLDERISLINK sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-WORKINSTRNPLACEHOLDERISINPTFLD sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWRKINSTRNPLCHLDRINPTLBLTYPE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MFGWRKINSTRNPLCHLDRCOLLINTID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-INSPECTIONCHARACTERISTICNMBR sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-PRODNRSCETOOLCOUNTER sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-BOOOPBOMITEMINTERNALID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-LOGICALCOMPONENT sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-ORIGLDGTLMOCKUPCHARCSUUID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-BOOCHARCGROUP sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-PRODMFGINFOCAMERAINTERNALID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-PRODMFGINFOITEMVALUEUUID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-BILLOFMATERIALCOMPONENT sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-BILLOFMATERIALITEMUNIT sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-MATERIAL sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DOCUMENTTYPE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DOCUMENTINFORECORD sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DOCUMENTVERSION sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DOCUMENTPART sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-HASACTIVEENTITY sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISMFGWORKINSTRNPLACEHOLDERTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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