ABAP Select data from SAP table HR99S_S_DAQ_SEATR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HR99S_S_DAQ_SEATR 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 HR99S_S_DAQ_SEATR. 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 HR99S_S_DAQ_SEATR 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_HR99S_S_DAQ_SEATR TYPE STANDARD TABLE OF HR99S_S_DAQ_SEATR,
      WA_HR99S_S_DAQ_SEATR TYPE HR99S_S_DAQ_SEATR,
      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: <HR99S_S_DAQ_SEATR> TYPE HR99S_S_DAQ_SEATR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99S_S_DAQ_SEATR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99S_S_DAQ_SEATR
  INTO TABLE IT_HR99S_S_DAQ_SEATR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99S_S_DAQ_SEATR
*  INTO TABLE @DATA(IT_HR99S_S_DAQ_SEATR2).
*--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_HR99S_S_DAQ_SEATR INDEX 1 INTO DATA(WA_HR99S_S_DAQ_SEATR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99S_S_DAQ_SEATR ASSIGNING <HR99S_S_DAQ_SEATR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99S_S_DAQ_SEATR>-STYPE = 1.
<HR99S_S_DAQ_SEATR>-TMSLT = 1.
<HR99S_S_DAQ_SEATR>-CUMTM = 1.
<HR99S_S_DAQ_SEATR>-CUMEE = 1.
<HR99S_S_DAQ_SEATR>-CONDT = 1.

ENDLOOP.

LOOP AT IT_HR99S_S_DAQ_SEATR INTO WA_HR99S_S_DAQ_SEATR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99S_S_DAQ_SEATR-FILE, sy-vline,
  WA_HR99S_S_DAQ_SEATR-STRCT, sy-vline,
  WA_HR99S_S_DAQ_SEATR-PRESE, sy-vline,
  WA_HR99S_S_DAQ_SEATR-HILEV, sy-vline,
  WA_HR99S_S_DAQ_SEATR-IDVAL, sy-vline,
  WA_HR99S_S_DAQ_SEATR-IDLEN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99S_S_DAQ_SEATR 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_HR99S_S_DAQ_SEATR 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_HR99S_S_DAQ_SEATR INTO WA_HR99S_S_DAQ_SEATR.


*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_HR99S_S_DAQ_SEATR_STR, 
STYPE TYPE STRING,
TMSLT TYPE STRING,
CUMTM TYPE STRING,
CUMEE TYPE STRING,
CONDT TYPE STRING,
FILE TYPE STRING,
STRCT TYPE STRING,
PRESE TYPE STRING,
HILEV TYPE STRING,
IDVAL TYPE STRING,
IDLEN TYPE STRING,
IDOFF TYPE STRING,
TEXT TYPE STRING,
XMLTG TYPE STRING,
XMLT2 TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
INSEC TYPE STRING,
INTYP TYPE STRING,
INATR TYPE STRING,
GRPSE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99S_S_DAQ_SEATR_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_HR99S_S_DAQ_SEATR_STR-STYPE sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-TMSLT sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-CUMTM sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-CUMEE sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-CONDT sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-FILE sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-STRCT sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-PRESE sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-HILEV sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-IDVAL sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-IDLEN sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-IDOFF sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-TEXT sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-XMLTG sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-XMLT2 sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-BEGDA sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-ENDDA sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-INSEC sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-INTYP sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-INATR sy-vline 
WA_HR99S_S_DAQ_SEATR_STR-GRPSE sy-vline      INTO ld_text SEPARATED BY SPACE.

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