ABAP Select data from SAP table EAMS_S_BO_ORD_OPER_RELATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAMS_S_BO_ORD_OPER_RELATION
*  INTO TABLE @DATA(IT_EAMS_S_BO_ORD_OPER_RELATION2).
*--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_EAMS_S_BO_ORD_OPER_RELATION INDEX 1 INTO DATA(WA_EAMS_S_BO_ORD_OPER_RELATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAMS_S_BO_ORD_OPER_RELATION>-EAMS_AUFNR = 1.
<EAMS_S_BO_ORD_OPER_RELATION>-EAMS_VORNR = 1.
<EAMS_S_BO_ORD_OPER_RELATION>-EAMS_UVORN = 1.
<EAMS_S_BO_ORD_OPER_RELATION>-EAMS_ASSGND_AUFNR = 1.
<EAMS_S_BO_ORD_OPER_RELATION>-EAMS_ASSGND_VORNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_RELAT_TYPE, sy-vline,
  WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_NCHKZ, sy-vline,
  WA_EAMS_S_BO_ORD_OPER_RELATION-ORDER_PREDECESSOR, sy-vline,
  WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_PREDECESSOR, sy-vline,
  WA_EAMS_S_BO_ORD_OPER_RELATION-ORDER_SUCCESSOR, sy-vline,
  WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_SUCCESSOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAMS_S_BO_ORD_OPER_RELATION 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_EAMS_S_BO_ORD_OPER_RELATION 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_EAMS_S_BO_ORD_OPER_RELATION INTO WA_EAMS_S_BO_ORD_OPER_RELATION.


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

*Conversion exit NUMCV, internal->external for field EAMS_VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field EAMS_UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_UVORN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field EAMS_ASSGND_VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_ASSGND_VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_ASSGND_VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AOBAR, internal->external for field EAMS_RELAT_TYPE
CALL FUNCTION 'CONVERSION_EXIT_AOBAR_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_RELAT_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-EAMS_RELAT_TYPE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field OPERATION_PREDECESSOR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_PREDECESSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_PREDECESSOR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field OPERATION_SUCCESSOR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_SUCCESSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-OPERATION_SUCCESSOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AOBAR, internal->external for field RELATION_TYPE
CALL FUNCTION 'CONVERSION_EXIT_AOBAR_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-RELATION_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-RELATION_TYPE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field ASSGND_VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_ORD_OPER_RELATION-ASSGND_VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_ORD_OPER_RELATION-ASSGND_VORNR.
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_EAMS_S_BO_ORD_OPER_RELATION_STR, 
EAMS_AUFNR TYPE STRING,
EAMS_VORNR TYPE STRING,
EAMS_UVORN TYPE STRING,
EAMS_ASSGND_AUFNR TYPE STRING,
EAMS_ASSGND_VORNR TYPE STRING,
EAMS_RELAT_TYPE TYPE STRING,
EAMS_NCHKZ TYPE STRING,
ORDER_PREDECESSOR TYPE STRING,
OPERATION_PREDECESSOR TYPE STRING,
ORDER_SUCCESSOR TYPE STRING,
OPERATION_SUCCESSOR TYPE STRING,
RELATION_TYPE TYPE STRING,
DURATION_RELATION_UNIT TYPE STRING,
DURATION_RELATION TYPE STRING,
DURATION_RELATION_ISOCODE_UNIT TYPE STRING,
FACTORY_CALENDAR TYPE STRING,
PERCENT_OF_SUCCESSOR TYPE STRING,
DURATION_KEY TYPE STRING,
WORK_CNTR TYPE STRING,
PLANT TYPE STRING,
DELETION_FLAG TYPE STRING,
DESCRIPTION TYPE STRING,
RELATION_TYPE_TEXT TYPE STRING,
NCHKZ TYPE STRING,
ASSGND_AUFNR TYPE STRING,
ASSGND_VORNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAMS_S_BO_ORD_OPER_RELATION_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_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_AUFNR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_VORNR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_UVORN sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_ASSGND_AUFNR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_ASSGND_VORNR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_RELAT_TYPE sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-EAMS_NCHKZ sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-ORDER_PREDECESSOR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-OPERATION_PREDECESSOR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-ORDER_SUCCESSOR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-OPERATION_SUCCESSOR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-RELATION_TYPE sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DURATION_RELATION_UNIT sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DURATION_RELATION sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DURATION_RELATION_ISOCODE_UNIT sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-FACTORY_CALENDAR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-PERCENT_OF_SUCCESSOR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DURATION_KEY sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-WORK_CNTR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-PLANT sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DELETION_FLAG sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-DESCRIPTION sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-RELATION_TYPE_TEXT sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-NCHKZ sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-ASSGND_AUFNR sy-vline 
WA_EAMS_S_BO_ORD_OPER_RELATION_STR-ASSGND_VORNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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