ABAP Select data from SAP table EISU_IL_MD_OWNERALLOCATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EISU_IL_MD_OWNERALLOCATION
*  INTO TABLE @DATA(IT_EISU_IL_MD_OWNERALLOCATION2).
*--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_EISU_IL_MD_OWNERALLOCATION INDEX 1 INTO DATA(WA_EISU_IL_MD_OWNERALLOCATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EISU_IL_MD_OWNERALLOCATION>-MANDT = 1.
<EISU_IL_MD_OWNERALLOCATION>-OWNER = 1.
<EISU_IL_MD_OWNERALLOCATION>-ACCOUNT = 1.
<EISU_IL_MD_OWNERALLOCATION>-ACTIVEFROM = 1.
<EISU_IL_MD_OWNERALLOCATION>-ACTIVETO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EISU_IL_MD_OWNERALLOCATION-ACBACT, sy-vline,
  WA_EISU_IL_MD_OWNERALLOCATION-ACBFEE, sy-vline,
  WA_EISU_IL_MD_OWNERALLOCATION-OPBEL, sy-vline,
  WA_EISU_IL_MD_OWNERALLOCATION-STORNOKZ, sy-vline,
  WA_EISU_IL_MD_OWNERALLOCATION-COPY_FROM, sy-vline,
  WA_EISU_IL_MD_OWNERALLOCATION-ERDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EISU_IL_MD_OWNERALLOCATION 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_EISU_IL_MD_OWNERALLOCATION 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_EISU_IL_MD_OWNERALLOCATION INTO WA_EISU_IL_MD_OWNERALLOCATION.


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

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

*Conversion exit MM_TT, internal->external for field ACTIVEFROM
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_EISU_IL_MD_OWNERALLOCATION-ACTIVEFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EISU_IL_MD_OWNERALLOCATION-ACTIVEFROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MM_TT, internal->external for field ACTIVETO
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_EISU_IL_MD_OWNERALLOCATION-ACTIVETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EISU_IL_MD_OWNERALLOCATION-ACTIVETO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EISU_IL_MD_OWNERALLOCATION-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EISU_IL_MD_OWNERALLOCATION-ANLAGE.
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_EISU_IL_MD_OWNERALLOCATION_STR, 
MANDT TYPE STRING,
OWNER TYPE STRING,
ACCOUNT TYPE STRING,
ACTIVEFROM TYPE STRING,
ACTIVETO TYPE STRING,
ACBACT TYPE STRING,
ACBFEE TYPE STRING,
OPBEL TYPE STRING,
STORNOKZ TYPE STRING,
COPY_FROM TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
FROMDATE TYPE STRING,
TODATE TYPE STRING,
PROPERTY TYPE STRING,
ANLAGE TYPE STRING,
OWNERSHIP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EISU_IL_MD_OWNERALLOCATION_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_EISU_IL_MD_OWNERALLOCATION_STR-MANDT sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-OWNER sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ACCOUNT sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ACTIVEFROM sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ACTIVETO sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ACBACT sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ACBFEE sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-OPBEL sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-STORNOKZ sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-COPY_FROM sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ERDAT sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ERNAM sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-AEDAT sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-AENAM sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-BEGRU sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-LOEVM sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-FROMDATE sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-TODATE sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-PROPERTY sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-ANLAGE sy-vline 
WA_EISU_IL_MD_OWNERALLOCATION_STR-OWNERSHIP sy-vline      INTO ld_text SEPARATED BY SPACE.

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