ABAP Select data from SAP table HR99S_S_DAQ_FIDAQ 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_FIDAQ 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_FIDAQ. 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_FIDAQ 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_FIDAQ TYPE STANDARD TABLE OF HR99S_S_DAQ_FIDAQ,
      WA_HR99S_S_DAQ_FIDAQ TYPE HR99S_S_DAQ_FIDAQ,
      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_FIDAQ> TYPE HR99S_S_DAQ_FIDAQ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99S_S_DAQ_FIDAQ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99S_S_DAQ_FIDAQ
  INTO TABLE IT_HR99S_S_DAQ_FIDAQ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99S_S_DAQ_FIDAQ
*  INTO TABLE @DATA(IT_HR99S_S_DAQ_FIDAQ2).
*--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_FIDAQ INDEX 1 INTO DATA(WA_HR99S_S_DAQ_FIDAQ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99S_S_DAQ_FIDAQ ASSIGNING <HR99S_S_DAQ_FIDAQ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99S_S_DAQ_FIDAQ>-ENDDA = 1.
<HR99S_S_DAQ_FIDAQ>-BEGDA = 1.
<HR99S_S_DAQ_FIDAQ>-FNAME = 1.
<HR99S_S_DAQ_FIDAQ>-SOUTY = 1.
<HR99S_S_DAQ_FIDAQ>-SOUWT = 1.

ENDLOOP.

LOOP AT IT_HR99S_S_DAQ_FIDAQ INTO WA_HR99S_S_DAQ_FIDAQ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99S_S_DAQ_FIDAQ-SOUTA, sy-vline,
  WA_HR99S_S_DAQ_FIDAQ-SOUFI, sy-vline,
  WA_HR99S_S_DAQ_FIDAQ-SOUGR, sy-vline,
  WA_HR99S_S_DAQ_FIDAQ-DATTY, sy-vline,
  WA_HR99S_S_DAQ_FIDAQ-DATST, sy-vline,
  WA_HR99S_S_DAQ_FIDAQ-CONDI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99S_S_DAQ_FIDAQ 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_FIDAQ 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_FIDAQ INTO WA_HR99S_S_DAQ_FIDAQ.


*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_FIDAQ_STR, 
ENDDA TYPE STRING,
BEGDA TYPE STRING,
FNAME TYPE STRING,
SOUTY TYPE STRING,
SOUWT TYPE STRING,
SOUTA TYPE STRING,
SOUFI TYPE STRING,
SOUGR TYPE STRING,
DATTY TYPE STRING,
DATST TYPE STRING,
CONDI TYPE STRING,
TEXT TYPE STRING,
GENRC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99S_S_DAQ_FIDAQ_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_FIDAQ_STR-ENDDA sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-BEGDA sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-FNAME sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-SOUTY sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-SOUWT sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-SOUTA sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-SOUFI sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-SOUGR sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-DATTY sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-DATST sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-CONDI sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-TEXT sy-vline 
WA_HR99S_S_DAQ_FIDAQ_STR-GENRC sy-vline      INTO ld_text SEPARATED BY SPACE.

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