ABAP Select data from SAP table TPDA_SYS_SYMBATTRTYPLINE_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TPDA_SYS_SYMBATTRTYPLINE_D
*  INTO TABLE @DATA(IT_TPDA_SYS_SYMBATTRTYPLINE_D2).
*--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_TPDA_SYS_SYMBATTRTYPLINE_D INDEX 1 INTO DATA(WA_TPDA_SYS_SYMBATTRTYPLINE_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TPDA_SYS_SYMBATTRTYPLINE_D>-INSTANTIATION = 1.
<TPDA_SYS_SYMBATTRTYPLINE_D>-ACCKIND = 1.
<TPDA_SYS_SYMBATTRTYPLINE_D>-INHCOUNT = 1.
<TPDA_SYS_SYMBATTRTYPLINE_D>-INTFID = 1.
<TPDA_SYS_SYMBATTRTYPLINE_D>-ISALIAS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TPDA_SYS_SYMBATTRTYPLINE_D-NAME, sy-vline,
  WA_TPDA_SYS_SYMBATTRTYPLINE_D-ALIASFOR, sy-vline,
  WA_TPDA_SYS_SYMBATTRTYPLINE_D-SYMBQUICK, sy-vline,
  WA_TPDA_SYS_SYMBATTRTYPLINE_D-METATYPE, sy-vline,
  WA_TPDA_SYS_SYMBATTRTYPLINE_D-SYMBKIND, sy-vline,
  WA_TPDA_SYS_SYMBATTRTYPLINE_D-ISREADONLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TPDA_SYS_SYMBATTRTYPLINE_D 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_TPDA_SYS_SYMBATTRTYPLINE_D 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_TPDA_SYS_SYMBATTRTYPLINE_D INTO WA_TPDA_SYS_SYMBATTRTYPLINE_D.


*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_TPDA_SYS_SYMBATTRTYPLINE_D_STR, 
INSTANTIATION TYPE STRING,
ACCKIND TYPE STRING,
INHCOUNT TYPE STRING,
INTFID TYPE STRING,
ISALIAS TYPE STRING,
NAME TYPE STRING,
ALIASFOR TYPE STRING,
SYMBQUICK TYPE STRING,
METATYPE TYPE STRING,
SYMBKIND TYPE STRING,
ISREADONLY TYPE STRING,
TYPID TYPE STRING,
ABSTYPENAME TYPE STRING,
HEAPPARENTSYMB TYPE STRING,
QUICKDATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TPDA_SYS_SYMBATTRTYPLINE_D_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_TPDA_SYS_SYMBATTRTYPLINE_D_STR-INSTANTIATION sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-ACCKIND sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-INHCOUNT sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-INTFID sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-ISALIAS sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-NAME sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-ALIASFOR sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-SYMBQUICK sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-METATYPE sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-SYMBKIND sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-ISREADONLY sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-TYPID sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-ABSTYPENAME sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-HEAPPARENTSYMB sy-vline 
WA_TPDA_SYS_SYMBATTRTYPLINE_D_STR-QUICKDATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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