ABAP Select data from SAP table /BOFU/DTSTEMPL_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BOFU/DTSTEMPL_H 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 /BOFU/DTSTEMPL_H. 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 /BOFU/DTSTEMPL_H 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_/BOFU/DTSTEMPL_H TYPE STANDARD TABLE OF /BOFU/DTSTEMPL_H,
      WA_/BOFU/DTSTEMPL_H TYPE /BOFU/DTSTEMPL_H,
      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: </BOFU/DTSTEMPL_H> TYPE /BOFU/DTSTEMPL_H.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BOFU/DTSTEMPL_H
  INTO TABLE IT_/BOFU/DTSTEMPL_H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BOFU/DTSTEMPL_H
*  INTO TABLE @DATA(IT_/BOFU/DTSTEMPL_H2).
*--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_/BOFU/DTSTEMPL_H INDEX 1 INTO DATA(WA_/BOFU/DTSTEMPL_H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BOFU/DTSTEMPL_H ASSIGNING </BOFU/DTSTEMPL_H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BOFU/DTSTEMPL_H>-MANDT = 1.
</BOFU/DTSTEMPL_H>-DB_KEY = 1.
</BOFU/DTSTEMPL_H>-EMPLOYEE_ID = 1.
</BOFU/DTSTEMPL_H>-DATE_OF_BIRTH = 1.
</BOFU/DTSTEMPL_H>-MARITAL_STATUS = 1.

ENDLOOP.

LOOP AT IT_/BOFU/DTSTEMPL_H INTO WA_/BOFU/DTSTEMPL_H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BOFU/DTSTEMPL_H-IDENTITY, sy-vline,
  WA_/BOFU/DTSTEMPL_H-LIFECYCLE_STATUS, sy-vline,
  WA_/BOFU/DTSTEMPL_H-ARCHIVING_STATUS, sy-vline,
  WA_/BOFU/DTSTEMPL_H-CREATED_BY, sy-vline,
  WA_/BOFU/DTSTEMPL_H-CREATED_ON, sy-vline,
  WA_/BOFU/DTSTEMPL_H-CHANGED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BOFU/DTSTEMPL_H 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_/BOFU/DTSTEMPL_H 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_/BOFU/DTSTEMPL_H INTO WA_/BOFU/DTSTEMPL_H.


*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 PDATE, internal->external for field DATE_OF_BIRTH
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_/BOFU/DTSTEMPL_H-DATE_OF_BIRTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOFU/DTSTEMPL_H-DATE_OF_BIRTH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/BOFU/DTSTEMPL_H-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOFU/DTSTEMPL_H-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/BOFU/DTSTEMPL_H-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOFU/DTSTEMPL_H-CHANGED_ON.
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_/BOFU/DTSTEMPL_H_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
EMPLOYEE_ID TYPE STRING,
DATE_OF_BIRTH TYPE STRING,
MARITAL_STATUS TYPE STRING,
IDENTITY TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BOFU/DTSTEMPL_H_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_/BOFU/DTSTEMPL_H_STR-MANDT sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-DB_KEY sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-EMPLOYEE_ID sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-DATE_OF_BIRTH sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-MARITAL_STATUS sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-IDENTITY sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-LIFECYCLE_STATUS sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-ARCHIVING_STATUS sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-CREATED_BY sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-CREATED_ON sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-CHANGED_BY sy-vline 
WA_/BOFU/DTSTEMPL_H_STR-CHANGED_ON sy-vline      INTO ld_text SEPARATED BY SPACE.

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