ABAP Select data from SAP table TPDA_SYS_WPTABATTRTYPLINE 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_WPTABATTRTYPLINE 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_WPTABATTRTYPLINE. 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_WPTABATTRTYPLINE 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_WPTABATTRTYPLINE TYPE STANDARD TABLE OF TPDA_SYS_WPTABATTRTYPLINE,
      WA_TPDA_SYS_WPTABATTRTYPLINE TYPE TPDA_SYS_WPTABATTRTYPLINE,
      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_WPTABATTRTYPLINE> TYPE TPDA_SYS_WPTABATTRTYPLINE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TPDA_SYS_WPTABATTRTYPLINE
*  INTO TABLE @DATA(IT_TPDA_SYS_WPTABATTRTYPLINE2).
*--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_WPTABATTRTYPLINE INDEX 1 INTO DATA(WA_TPDA_SYS_WPTABATTRTYPLINE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TPDA_SYS_WPTABATTRTYPLINE>-ID = 1.
<TPDA_SYS_WPTABATTRTYPLINE>-KIND = 1.
<TPDA_SYS_WPTABATTRTYPLINE>-FLAGACTIVE = 1.
<TPDA_SYS_WPTABATTRTYPLINE>-SYMBNAME = 1.
<TPDA_SYS_WPTABATTRTYPLINE>-CONDITION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TPDA_SYS_WPTABATTRTYPLINE-PROGRAM, sy-vline,
  WA_TPDA_SYS_WPTABATTRTYPLINE-CLASS, sy-vline,
  WA_TPDA_SYS_WPTABATTRTYPLINE-PROCEDURE, sy-vline,
  WA_TPDA_SYS_WPTABATTRTYPLINE-SKIPCNT, sy-vline,
  WA_TPDA_SYS_WPTABATTRTYPLINE-FLAGSIGNALING, sy-vline,
  WA_TPDA_SYS_WPTABATTRTYPLINE-CLONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TPDA_SYS_WPTABATTRTYPLINE 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_WPTABATTRTYPLINE 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_WPTABATTRTYPLINE INTO WA_TPDA_SYS_WPTABATTRTYPLINE.


*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_WPTABATTRTYPLINE_STR, 
ID TYPE STRING,
KIND TYPE STRING,
FLAGACTIVE TYPE STRING,
SYMBNAME TYPE STRING,
CONDITION TYPE STRING,
PROGRAM TYPE STRING,
CLASS TYPE STRING,
PROCEDURE TYPE STRING,
SKIPCNT TYPE STRING,
FLAGSIGNALING TYPE STRING,
CLONE TYPE STRING,
SYMBDATREF TYPE STRING,
WPVALUE TYPE STRING,
FLAGEXPIRED TYPE STRING,
SUBKEY TYPE STRING,
FLAGOBJECTFORATTRIBUTES TYPE STRING,
NEXTID TYPE STRING,
OBJECTID TYPE STRING,
FILTER_PUBLIC TYPE STRING,
FILTER_PROTECTED TYPE STRING,
FILTER_PRIVATE TYPE STRING,
FILTER_PACKAGE TYPE STRING,
FILTER_STATIC TYPE STRING,
FILTER_INSTANCE TYPE STRING,
FILTER_STATIC_PUBLIC TYPE STRING,
FILTER_STATIC_PROTECTED TYPE STRING,
FILTER_STATIC_PRIVATE TYPE STRING,
FILTER_STATIC_PACKAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TPDA_SYS_WPTABATTRTYPLINE_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_WPTABATTRTYPLINE_STR-ID sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-KIND sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FLAGACTIVE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-SYMBNAME sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-CONDITION sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-PROGRAM sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-CLASS sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-PROCEDURE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-SKIPCNT sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FLAGSIGNALING sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-CLONE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-SYMBDATREF sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-WPVALUE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FLAGEXPIRED sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-SUBKEY sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FLAGOBJECTFORATTRIBUTES sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-NEXTID sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-OBJECTID sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_PUBLIC sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_PROTECTED sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_PRIVATE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_PACKAGE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_STATIC sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_INSTANCE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_STATIC_PUBLIC sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_STATIC_PROTECTED sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_STATIC_PRIVATE sy-vline 
WA_TPDA_SYS_WPTABATTRTYPLINE_STR-FILTER_STATIC_PACKAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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