ABAP Select data from SAP table PLMSEF_AMLE_CRT_REQMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMSEF_AMLE_CRT_REQMS
*  INTO TABLE @DATA(IT_PLMSEF_AMLE_CRT_REQMS2).
*--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_PLMSEF_AMLE_CRT_REQMS INDEX 1 INTO DATA(WA_PLMSEF_AMLE_CRT_REQMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMSEF_AMLE_CRT_REQMS>-CONTROLLER = 1.
<PLMSEF_AMLE_CRT_REQMS>-MESSAGE_HEADER = 1.
<PLMSEF_AMLE_CRT_REQMS>-CONTROLLER = 1.
<PLMSEF_AMLE_CRT_REQMS>-ID = 1.
<PLMSEF_AMLE_CRT_REQMS>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMSEF_AMLE_CRT_REQMS-SCHEME_ID, sy-vline,
  WA_PLMSEF_AMLE_CRT_REQMS-SCHEME_AGENCY_ID, sy-vline,
  WA_PLMSEF_AMLE_CRT_REQMS-SCHEME_AGENCY_SCHEME_AGENCY_ID, sy-vline,
  WA_PLMSEF_AMLE_CRT_REQMS-CONTENT, sy-vline,
  WA_PLMSEF_AMLE_CRT_REQMS-UUID, sy-vline,
  WA_PLMSEF_AMLE_CRT_REQMS-REFERENCE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMSEF_AMLE_CRT_REQMS 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_PLMSEF_AMLE_CRT_REQMS 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_PLMSEF_AMLE_CRT_REQMS INTO WA_PLMSEF_AMLE_CRT_REQMS.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PLMSEF_AMLE_CRT_REQMS_STR, 
CONTROLLER TYPE STRING,
MESSAGE_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
UUID TYPE STRING,
REFERENCE_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_UUID TYPE STRING,
ASSET_MAINTENANCE_LOG_ENTRY TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
PREDECESSOR_ASSET_MAINTENANCE TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
INSTALLATION_POINT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
INDIVIDUAL_MATERIAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
MATERIAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
SERIAL_ID TYPE STRING,
PRODUCT_UNIQUE_ITEM_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
JOURNEY_ID TYPE STRING,
TYPE_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
START_DATE_TIME TYPE STRING,
START_TIME_ZONE_CODE TYPE STRING,
END_DATE_TIME TYPE STRING,
END_TIME_ZONE_CODE TYPE STRING,
DESCRIPTION TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
ADDITIONAL_INFORMATION_DESCRIP TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
PERFORMED_CYCLES_VALUE TYPE STRING,
ORIGIN_LOCATION_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
DESTINATION_LOCATION_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PLMSEF_AMLE_CRT_REQMS_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_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-MESSAGE_HEADER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-UUID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-REFERENCE_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-REFERENCE_UUID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-ASSET_MAINTENANCE_LOG_ENTRY sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-PREDECESSOR_ASSET_MAINTENANCE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-INSTALLATION_POINT_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-INDIVIDUAL_MATERIAL_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-MATERIAL_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SERIAL_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-PRODUCT_UNIQUE_ITEM_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-SCHEME_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-JOURNEY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-TYPE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LIST_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LIST_VERSION_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LIST_AGENCY_ID sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-START_DATE_TIME sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-START_TIME_ZONE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-END_DATE_TIME sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-END_TIME_ZONE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-DESCRIPTION sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LANGUAGE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-ADDITIONAL_INFORMATION_DESCRIP sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LANGUAGE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-PERFORMED_CYCLES_VALUE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-ORIGIN_LOCATION_NAME sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LANGUAGE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-DESTINATION_LOCATION_NAME sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTROLLER sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-LANGUAGE_CODE sy-vline 
WA_PLMSEF_AMLE_CRT_REQMS_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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