ABAP Select data from SAP table DBTMPORA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DBTMPORA
*  INTO TABLE @DATA(IT_DBTMPORA2).
*--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_DBTMPORA INDEX 1 INTO DATA(WA_DBTMPORA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DBTMPORA>-DBOBJ = 1.
<DBTMPORA>-DOTYP = 1.
<DBTMPORA>-OBJOW = 1.
<DBTMPORA>-DBTYP = 1.
<DBTMPORA>-VWTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DBTMPORA-ACTIV, sy-vline,
  WA_DBTMPORA-OBJEC, sy-vline,
  WA_DBTMPORA-AEDAT, sy-vline,
  WA_DBTMPORA-SIGNI, sy-vline,
  WA_DBTMPORA-AMETH, sy-vline,
  WA_DBTMPORA-OPTIO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DBTMPORA 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_DBTMPORA 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_DBTMPORA INTO WA_DBTMPORA.


*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_DBTMPORA_STR, 
DBOBJ TYPE STRING,
DOTYP TYPE STRING,
OBJOW TYPE STRING,
DBTYP TYPE STRING,
VWTYP TYPE STRING,
ACTIV TYPE STRING,
OBJEC TYPE STRING,
AEDAT TYPE STRING,
SIGNI TYPE STRING,
AMETH TYPE STRING,
OPTIO TYPE STRING,
TOBDO TYPE STRING,
HISTO TYPE STRING,
TDDAT TYPE STRING,
DURAT TYPE STRING,
PLAND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DBTMPORA_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_DBTMPORA_STR-DBOBJ sy-vline 
WA_DBTMPORA_STR-DOTYP sy-vline 
WA_DBTMPORA_STR-OBJOW sy-vline 
WA_DBTMPORA_STR-DBTYP sy-vline 
WA_DBTMPORA_STR-VWTYP sy-vline 
WA_DBTMPORA_STR-ACTIV sy-vline 
WA_DBTMPORA_STR-OBJEC sy-vline 
WA_DBTMPORA_STR-AEDAT sy-vline 
WA_DBTMPORA_STR-SIGNI sy-vline 
WA_DBTMPORA_STR-AMETH sy-vline 
WA_DBTMPORA_STR-OPTIO sy-vline 
WA_DBTMPORA_STR-TOBDO sy-vline 
WA_DBTMPORA_STR-HISTO sy-vline 
WA_DBTMPORA_STR-TDDAT sy-vline 
WA_DBTMPORA_STR-DURAT sy-vline 
WA_DBTMPORA_STR-PLAND sy-vline      INTO ld_text SEPARATED BY SPACE.

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