ABAP Select data from SAP table /PLMB/S_PPE_ASM_ITEM_PREV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_PPE_ASM_ITEM_PREV
*  INTO TABLE @DATA(IT_/PLMB/S_PPE_ASM_ITEM_PREV2).
*--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_/PLMB/S_PPE_ASM_ITEM_PREV INDEX 1 INTO DATA(WA_/PLMB/S_PPE_ASM_ITEM_PREV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_PPE_ASM_ITEM_PREV>-OBJECT_TYPE = 1.
</PLMB/S_PPE_ASM_ITEM_PREV>-GUID = 1.
</PLMB/S_PPE_ASM_ITEM_PREV>-ECN_COUNTER = 1.
</PLMB/S_PPE_ASM_ITEM_PREV>-VARIANT_NAME = 1.
</PLMB/S_PPE_ASM_ITEM_PREV>-NAMEID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_PPE_ASM_ITEM_PREV-NODE_GUID, sy-vline,
  WA_/PLMB/S_PPE_ASM_ITEM_PREV-VARIANT_TYPE, sy-vline,
  WA_/PLMB/S_PPE_ASM_ITEM_PREV-APPLOBJ_TYPE, sy-vline,
  WA_/PLMB/S_PPE_ASM_ITEM_PREV-TIMESTMP, sy-vline,
  WA_/PLMB/S_PPE_ASM_ITEM_PREV-HISTFLG, sy-vline,
  WA_/PLMB/S_PPE_ASM_ITEM_PREV-CREADAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_PPE_ASM_ITEM_PREV 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_/PLMB/S_PPE_ASM_ITEM_PREV 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_/PLMB/S_PPE_ASM_ITEM_PREV INTO WA_/PLMB/S_PPE_ASM_ITEM_PREV.


*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 VARIANT_NAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_PPE_ASM_ITEM_PREV-VARIANT_NAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_PPE_ASM_ITEM_PREV-VARIANT_NAME.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field DOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_PPE_ASM_ITEM_PREV-DOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_PPE_ASM_ITEM_PREV-DOCUMENTNUMBER.
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_/PLMB/S_PPE_ASM_ITEM_PREV_STR, 
OBJECT_TYPE TYPE STRING,
GUID TYPE STRING,
ECN_COUNTER TYPE STRING,
VARIANT_NAME TYPE STRING,
NAMEID TYPE STRING,
NODE_GUID TYPE STRING,
VARIANT_TYPE TYPE STRING,
APPLOBJ_TYPE TYPE STRING,
TIMESTMP TYPE STRING,
HISTFLG TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
LOGSYS TYPE STRING,
VARIANT_TYPE_DESCR TYPE STRING,
VARIANT_TEXT TYPE STRING,
PVCTYPE TYPE STRING,
CMPID TYPE STRING,
QUANT TYPE STRING,
QUNIT TYPE STRING,
DOCID TYPE STRING,
CHANGE_NO TYPE STRING,
CHANGE_NO_DESCRIPTION TYPE STRING,
DELETION_FLAG TYPE STRING,
QUANT_FIX TYPE STRING,
PHA_ASM_HEADER_GUID TYPE STRING,
ALTGRP TYPE STRING,
CO_DATA_FLG TYPE STRING,
ROMS1 TYPE STRING,
PRCNT1 TYPE STRING,
ROMS2 TYPE STRING,
PRCNT2 TYPE STRING,
ROMS3 TYPE STRING,
PRCNT3 TYPE STRING,
ROMEI TYPE STRING,
ROMEN TYPE STRING,
ROKME TYPE STRING,
RFORM TYPE STRING,
STDVAR TYPE STRING,
PRIO TYPE STRING,
KNOBJ TYPE STRING,
CUOBJ TYPE STRING,
CONF_OBJECT_TYPE TYPE STRING,
CONF_PGUID TYPE STRING,
PHA_ASM_GROUP TYPE STRING,
PHA_ASM_HEADER TYPE STRING,
PHA_ASM_FACTOR TYPE STRING,
PHA_ASM_GROUP_TEXT TYPE STRING,
PHA_ASM_GROUP_GUID TYPE STRING,
CHANGE_NUMBER_LOCKED TYPE STRING,
CONFIGURATION TYPE STRING,
FIXED_QUANTITY TYPE STRING,
OBJECT_DEPENDENCIES TYPE STRING,
LONG_TEXT TYPE STRING,
PHANTOM_ASSEMBLIES TYPE STRING,
MATERIAL_TEXT TYPE STRING,
MATERIAL_TYPE_DESCRIPTION TYPE STRING,
PARAMETER_EFFECTIVITY TYPE STRING,
VALID_FROM TYPE STRING,
STATUS_ID TYPE STRING,
STATUS_DESCR TYPE STRING,
STATUS_ICON TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTPART TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTVERSION_EXT TYPE STRING,
DOCUMENTDESCRIPTION TYPE STRING,
DOCUMENTSTATUS TYPE STRING,
ASSEMBLY_HEADERS TYPE STRING,
NODE_NAME TYPE STRING,
NODE_TEXT TYPE STRING,
SHARED_ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_PPE_ASM_ITEM_PREV_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_/PLMB/S_PPE_ASM_ITEM_PREV_STR-OBJECT_TYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-GUID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ECN_COUNTER sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-VARIANT_NAME sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-NAMEID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-NODE_GUID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-VARIANT_TYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-APPLOBJ_TYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-TIMESTMP sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-HISTFLG sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CREADAT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CREABY sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CHNGDAT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CHNGBY sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-LOGSYS sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-VARIANT_TYPE_DESCR sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-VARIANT_TEXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PVCTYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CMPID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-QUANT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-QUNIT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CHANGE_NO sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CHANGE_NO_DESCRIPTION sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DELETION_FLAG sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-QUANT_FIX sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_HEADER_GUID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ALTGRP sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CO_DATA_FLG sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROMS1 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PRCNT1 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROMS2 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PRCNT2 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROMS3 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PRCNT3 sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROMEI sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROMEN sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ROKME sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-RFORM sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-STDVAR sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PRIO sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-KNOBJ sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CUOBJ sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CONF_OBJECT_TYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CONF_PGUID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_GROUP sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_HEADER sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_FACTOR sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_GROUP_TEXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHA_ASM_GROUP_GUID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CHANGE_NUMBER_LOCKED sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-CONFIGURATION sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-FIXED_QUANTITY sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-OBJECT_DEPENDENCIES sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-LONG_TEXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PHANTOM_ASSEMBLIES sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-MATERIAL_TEXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-MATERIAL_TYPE_DESCRIPTION sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-PARAMETER_EFFECTIVITY sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-VALID_FROM sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-STATUS_ID sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-STATUS_DESCR sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-STATUS_ICON sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTTYPE sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTNUMBER sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTPART sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTVERSION sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTVERSION_EXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTDESCRIPTION sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-DOCUMENTSTATUS sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-ASSEMBLY_HEADERS sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-NODE_NAME sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-NODE_TEXT sy-vline 
WA_/PLMB/S_PPE_ASM_ITEM_PREV_STR-SHARED_ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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