ABAP Select data from SAP table ESH_U_BDGTDOC_OP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_BDGTDOC_OP
*  INTO TABLE @DATA(IT_ESH_U_BDGTDOC_OP2).
*--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_ESH_U_BDGTDOC_OP INDEX 1 INTO DATA(WA_ESH_U_BDGTDOC_OP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_BDGTDOC_OP>-MANDT = 1.
<ESH_U_BDGTDOC_OP>-BUDGETDOCUMENTYEAR = 1.
<ESH_U_BDGTDOC_OP>-BUDGETENTRYDOCUMENT = 1.
<ESH_U_BDGTDOC_OP>-BUDGETENTRYDOCUMENTDATE = 1.
<ESH_U_BDGTDOC_OP>-BUDGETENTRYDOCUMENTDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_BDGTDOC_OP-BUDGETENTRYDOCUMENTSTATUS, sy-vline,
  WA_ESH_U_BDGTDOC_OP-BUDGETENTRYDOCUMENTSTATUSNAME, sy-vline,
  WA_ESH_U_BDGTDOC_OP-BUDGETENTRYDOCUMENTTYPE, sy-vline,
  WA_ESH_U_BDGTDOC_OP-BUDGETENTRYDOCUMENTTYPENAME, sy-vline,
  WA_ESH_U_BDGTDOC_OP-BUDGETINGPROCESS, sy-vline,
  WA_ESH_U_BDGTDOC_OP-BUDGETINGRESPONSIBLEPERSONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_BDGTDOC_OP 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_ESH_U_BDGTDOC_OP 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_ESH_U_BDGTDOC_OP INTO WA_ESH_U_BDGTDOC_OP.


*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 GJAHR, internal->external for field BUDGETDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_BDGTDOC_OP-BUDGETDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_BDGTDOC_OP-BUDGETDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BUDGETVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_BDGTDOC_OP-BUDGETVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_BDGTDOC_OP-BUDGETVERSION.
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_ESH_U_BDGTDOC_OP_STR, 
MANDT TYPE STRING,
BUDGETDOCUMENTYEAR TYPE STRING,
BUDGETENTRYDOCUMENT TYPE STRING,
BUDGETENTRYDOCUMENTDATE TYPE STRING,
BUDGETENTRYDOCUMENTDESCRIPTION TYPE STRING,
BUDGETENTRYDOCUMENTSTATUS TYPE STRING,
BUDGETENTRYDOCUMENTSTATUSNAME TYPE STRING,
BUDGETENTRYDOCUMENTTYPE TYPE STRING,
BUDGETENTRYDOCUMENTTYPENAME TYPE STRING,
BUDGETINGPROCESS TYPE STRING,
BUDGETINGRESPONSIBLEPERSONNAME TYPE STRING,
BUDGETVERSION TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
FISCALTREASURYAGENCY TYPE STRING,
FISCALTREASURYLEGISLATIONTYPE TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
POSTINGDATE TYPE STRING,
PUBLICLAW TYPE STRING,
CREATEDBYUSERNAME TYPE STRING,
CHANGEDBYUSERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_BDGTDOC_OP_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_ESH_U_BDGTDOC_OP_STR-MANDT sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETDOCUMENTYEAR sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENT sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTDATE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTDESCRIPTION sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTSTATUS sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTSTATUSNAME sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTTYPE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETENTRYDOCUMENTTYPENAME sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETINGPROCESS sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETINGRESPONSIBLEPERSONNAME sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-BUDGETVERSION sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-CREATEDBYUSER sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-CREATIONDATE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-FISCALTREASURYAGENCY sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-FISCALTREASURYLEGISLATIONTYPE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-LASTCHANGEDATE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-POSTINGDATE sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-PUBLICLAW sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-CREATEDBYUSERNAME sy-vline 
WA_ESH_U_BDGTDOC_OP_STR-CHANGEDBYUSERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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