ABAP Select data from SAP table /PLMU/S_PPE_INST_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMU/S_PPE_INST_DATA
*  INTO TABLE @DATA(IT_/PLMU/S_PPE_INST_DATA2).
*--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_/PLMU/S_PPE_INST_DATA INDEX 1 INTO DATA(WA_/PLMU/S_PPE_INST_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMU/S_PPE_INST_DATA>-INSTGUID = 1.
</PLMU/S_PPE_INST_DATA>-ECN_COUNTER = 1.
</PLMU/S_PPE_INST_DATA>-INSTTX = 1.
</PLMU/S_PPE_INST_DATA>-PARENT_GUID = 1.
</PLMU/S_PPE_INST_DATA>-PARENT_OTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMU/S_PPE_INST_DATA-PARENT_INSTGUID, sy-vline,
  WA_/PLMU/S_PPE_INST_DATA-OBJ_DEP, sy-vline,
  WA_/PLMU/S_PPE_INST_DATA-AENNR, sy-vline,
  WA_/PLMU/S_PPE_INST_DATA-DEL_FLAG, sy-vline,
  WA_/PLMU/S_PPE_INST_DATA-LOCKED, sy-vline,
  WA_/PLMU/S_PPE_INST_DATA-KNOBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMU/S_PPE_INST_DATA 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_/PLMU/S_PPE_INST_DATA 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_/PLMU/S_PPE_INST_DATA INTO WA_/PLMU/S_PPE_INST_DATA.


*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 AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMU/S_PPE_INST_DATA-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMU/S_PPE_INST_DATA-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSTNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMU/S_PPE_INST_DATA-INSTNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMU/S_PPE_INST_DATA-INSTNAME.
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_/PLMU/S_PPE_INST_DATA_STR, 
INSTGUID TYPE STRING,
ECN_COUNTER TYPE STRING,
INSTTX TYPE STRING,
PARENT_GUID TYPE STRING,
PARENT_OTYPE TYPE STRING,
PARENT_INSTGUID TYPE STRING,
OBJ_DEP TYPE STRING,
AENNR TYPE STRING,
DEL_FLAG TYPE STRING,
LOCKED TYPE STRING,
KNOBJ TYPE STRING,
XMIN TYPE STRING,
YMIN TYPE STRING,
ZMIN TYPE STRING,
XMAX TYPE STRING,
YMAX TYPE STRING,
ZMAX TYPE STRING,
LOCOX TYPE STRING,
LOCOY TYPE STRING,
LOCOZ TYPE STRING,
AXIS1X TYPE STRING,
AXIS1Y TYPE STRING,
AXIS1Z TYPE STRING,
AXIS2X TYPE STRING,
AXIS2Y TYPE STRING,
AXIS2Z TYPE STRING,
AXIS3X TYPE STRING,
AXIS3Y TYPE STRING,
AXIS3Z TYPE STRING,
SCALE TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
GOS_OTYPE TYPE STRING,
GOS_ICON TYPE STRING,
INSTNAME TYPE STRING,
INSTTYPE TYPE STRING,
TIMESTMP TYPE STRING,
HISTFLG TYPE STRING,
EFF_PARAMETER TYPE STRING,
CHANGE_NUMBER_LOCKED TYPE STRING,
INSTTYPE_TEXT TYPE STRING,
LONG_TEXT TYPE STRING,
IS_LEAF TYPE STRING,
CHILDREN_LOADED TYPE STRING,
IS_EXPANDED TYPE STRING,
GROUP_ACTION TYPE STRING,
UNGRP_ACTION TYPE STRING,
NEW_CHG_STATE_ACTION TYPE STRING,
DEL_WITH_HIS_ACTION TYPE STRING,
DEL_INST_OPERATION TYPE STRING,
CREATE_GRP_ACTION TYPE STRING,
RENAME_ACTION TYPE STRING,
ADD_TO_GRP_ACTION TYPE STRING,
REMOVE_FROM_GRP_ACTION TYPE STRING,
SELF_ROWKEY TYPE STRING,
PARENT_ROWKEY TYPE STRING,
IS_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMU/S_PPE_INST_DATA_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_/PLMU/S_PPE_INST_DATA_STR-INSTGUID sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-ECN_COUNTER sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-INSTTX sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-PARENT_GUID sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-PARENT_OTYPE sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-PARENT_INSTGUID sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-OBJ_DEP sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AENNR sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-DEL_FLAG sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-LOCKED sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-KNOBJ sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-XMIN sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-YMIN sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-ZMIN sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-XMAX sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-YMAX sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-ZMAX sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-LOCOX sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-LOCOY sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-LOCOZ sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS1X sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS1Y sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS1Z sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS2X sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS2Y sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS2Z sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS3X sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS3Y sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-AXIS3Z sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-SCALE sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CREADAT sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CREABY sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CHNGDAT sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CHNGBY sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-GOS_OTYPE sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-GOS_ICON sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-INSTNAME sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-INSTTYPE sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-TIMESTMP sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-HISTFLG sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-EFF_PARAMETER sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CHANGE_NUMBER_LOCKED sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-INSTTYPE_TEXT sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-LONG_TEXT sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-IS_LEAF sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CHILDREN_LOADED sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-IS_EXPANDED sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-GROUP_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-UNGRP_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-NEW_CHG_STATE_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-DEL_WITH_HIS_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-DEL_INST_OPERATION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-CREATE_GRP_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-RENAME_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-ADD_TO_GRP_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-REMOVE_FROM_GRP_ACTION sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-SELF_ROWKEY sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-PARENT_ROWKEY sy-vline 
WA_/PLMU/S_PPE_INST_DATA_STR-IS_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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