ABAP Select data from SAP table FAR_PSTRL_STRUCTURE_CONDITION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAR_PSTRL_STRUCTURE_CONDITION
*  INTO TABLE @DATA(IT_FAR_PSTRL_STRUCTURE_CONDITION2).
*--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_FAR_PSTRL_STRUCTURE_CONDITION INDEX 1 INTO DATA(WA_FAR_PSTRL_STRUCTURE_CONDITION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAR_PSTRL_STRUCTURE_CONDITION>-KEY = 1.
<FAR_PSTRL_STRUCTURE_CONDITION>-PARENT_KEY = 1.
<FAR_PSTRL_STRUCTURE_CONDITION>-ROOT_KEY = 1.
<FAR_PSTRL_STRUCTURE_CONDITION>-POSTINGRULECONDITIONFIELD = 1.
<FAR_PSTRL_STRUCTURE_CONDITION>-POSTGRULECNDNRANGESIGN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAR_PSTRL_STRUCTURE_CONDITION-POSTGRULECNDNRANGEOPTION, sy-vline,
  WA_FAR_PSTRL_STRUCTURE_CONDITION-POSTGRULECNDNRANGELOW, sy-vline,
  WA_FAR_PSTRL_STRUCTURE_CONDITION-POSTGRULECNDNRANGEHIGH, sy-vline,
  WA_FAR_PSTRL_STRUCTURE_CONDITION-REPROCESSINGRULEAPPLTYPE, sy-vline,
  WA_FAR_PSTRL_STRUCTURE_CONDITION-ACTIVEUUID, sy-vline,
  WA_FAR_PSTRL_STRUCTURE_CONDITION-HASACTIVEENTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAR_PSTRL_STRUCTURE_CONDITION 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_FAR_PSTRL_STRUCTURE_CONDITION 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_FAR_PSTRL_STRUCTURE_CONDITION INTO WA_FAR_PSTRL_STRUCTURE_CONDITION.


*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_FAR_PSTRL_STRUCTURE_CONDITION_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
POSTINGRULECONDITIONFIELD TYPE STRING,
POSTGRULECNDNRANGESIGN TYPE STRING,
POSTGRULECNDNRANGEOPTION TYPE STRING,
POSTGRULECNDNRANGELOW TYPE STRING,
POSTGRULECNDNRANGEHIGH TYPE STRING,
REPROCESSINGRULEAPPLTYPE TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAR_PSTRL_STRUCTURE_CONDITION_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_FAR_PSTRL_STRUCTURE_CONDITION_STR-KEY sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-PARENT_KEY sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-ROOT_KEY sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-POSTINGRULECONDITIONFIELD sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-POSTGRULECNDNRANGESIGN sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-POSTGRULECNDNRANGEOPTION sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-POSTGRULECNDNRANGELOW sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-POSTGRULECNDNRANGEHIGH sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-REPROCESSINGRULEAPPLTYPE sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-ACTIVEUUID sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-HASACTIVEENTITY sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_FAR_PSTRL_STRUCTURE_CONDITION_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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