ABAP Select data from SAP table TPDA_TOOL_GL_WRAPPER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TPDA_TOOL_GL_WRAPPER 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_TOOL_GL_WRAPPER. 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_TOOL_GL_WRAPPER 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_TOOL_GL_WRAPPER TYPE STANDARD TABLE OF TPDA_TOOL_GL_WRAPPER,
      WA_TPDA_TOOL_GL_WRAPPER TYPE TPDA_TOOL_GL_WRAPPER,
      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_TOOL_GL_WRAPPER> TYPE TPDA_TOOL_GL_WRAPPER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TPDA_TOOL_GL_WRAPPER
*  INTO TABLE @DATA(IT_TPDA_TOOL_GL_WRAPPER2).
*--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_TOOL_GL_WRAPPER INDEX 1 INTO DATA(WA_TPDA_TOOL_GL_WRAPPER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TPDA_TOOL_GL_WRAPPER>-RADIO_DEBUG = 1.
<TPDA_TOOL_GL_WRAPPER>-RADIO_DIRECT = 1.
<TPDA_TOOL_GL_WRAPPER>-TAB_CTRL_EINGABE = 1.
<TPDA_TOOL_GL_WRAPPER>-FIXED_COLS = 1.
<TPDA_TOOL_GL_WRAPPER>-LINES = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TPDA_TOOL_GL_WRAPPER-TOP_LINE, sy-vline,
  WA_TPDA_TOOL_GL_WRAPPER-CURRENT_LINE, sy-vline,
  WA_TPDA_TOOL_GL_WRAPPER-LEFT_COL, sy-vline,
  WA_TPDA_TOOL_GL_WRAPPER-LINE_SEL_MODE, sy-vline,
  WA_TPDA_TOOL_GL_WRAPPER-COL_SEL_MODE, sy-vline,
  WA_TPDA_TOOL_GL_WRAPPER-LINE_SELECTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TPDA_TOOL_GL_WRAPPER 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_TOOL_GL_WRAPPER 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_TOOL_GL_WRAPPER INTO WA_TPDA_TOOL_GL_WRAPPER.


*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_TOOL_GL_WRAPPER_STR, 
RADIO_DEBUG TYPE STRING,
RADIO_DIRECT TYPE STRING,
TAB_CTRL_EINGABE TYPE STRING,
FIXED_COLS TYPE STRING,
LINES TYPE STRING,
TOP_LINE TYPE STRING,
CURRENT_LINE TYPE STRING,
LEFT_COL TYPE STRING,
LINE_SEL_MODE TYPE STRING,
COL_SEL_MODE TYPE STRING,
LINE_SELECTOR TYPE STRING,
V_SCROLL TYPE STRING,
H_GRID TYPE STRING,
V_GRID TYPE STRING,
COLS TYPE STRING,
INVISIBLE TYPE STRING,
CONTAINER_NAME TYPE STRING,
TAB_CTRL_AUSGABE TYPE STRING,
FIXED_COLS TYPE STRING,
LINES TYPE STRING,
TOP_LINE TYPE STRING,
CURRENT_LINE TYPE STRING,
LEFT_COL TYPE STRING,
LINE_SEL_MODE TYPE STRING,
COL_SEL_MODE TYPE STRING,
LINE_SELECTOR TYPE STRING,
V_SCROLL TYPE STRING,
H_GRID TYPE STRING,
V_GRID TYPE STRING,
COLS TYPE STRING,
INVISIBLE TYPE STRING,
CONTAINER_NAME_OUTPUT TYPE STRING,
REF_CONTEXT_MENUE TYPE STRING,
SCRIPT_ATTR TYPE STRING,
SCRIPTNAME TYPE STRING,
FILE_NAME TYPE STRING,
SCRIPT_CLASS TYPE STRING,
SCRIPT_COMMENT TYPE STRING,
WRITES_TRACE TYPE STRING,
NO_BREAK TYPE STRING,
BP_REACHED TYPE STRING,
WP_REACHED TYPE STRING,
SINGLE_STEP TYPE STRING,
NEW_ROLLAREA TYPE STRING,
SINGLE_RUN TYPE STRING,
SYSTDBG TYPE STRING,
CLOSEDEBF8 TYPE STRING,
SYNCBPS TYPE STRING,
EXCCREATEOBJECT TYPE STRING,
UPDATEDEBUG TYPE STRING,
BTCDEBUG TYPE STRING,
EMODESTACK TYPE STRING,
ESI TYPE STRING,
ACFLUSH TYPE STRING,
SOAAC TYPE STRING,
CHECKREADBINARY TYPE STRING,
LAYERCONTROL TYPE STRING,
OBJECT_NAME TYPE STRING,
DATATEMPERATURE TYPE STRING,
INPUT_PARAMETERS TYPE STRING,
OUTPUT_PARAMETERS TYPE STRING,
INPUT_TYPE TYPE STRING,
OUTPUT_TYPE TYPE STRING,
SCRIPT_LOADED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TPDA_TOOL_GL_WRAPPER_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_TOOL_GL_WRAPPER_STR-RADIO_DEBUG sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-RADIO_DIRECT sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-TAB_CTRL_EINGABE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-FIXED_COLS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINES sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-TOP_LINE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CURRENT_LINE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LEFT_COL sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINE_SEL_MODE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-COL_SEL_MODE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINE_SELECTOR sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-V_SCROLL sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-H_GRID sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-V_GRID sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-COLS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-INVISIBLE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CONTAINER_NAME sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-TAB_CTRL_AUSGABE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-FIXED_COLS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINES sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-TOP_LINE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CURRENT_LINE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LEFT_COL sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINE_SEL_MODE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-COL_SEL_MODE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LINE_SELECTOR sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-V_SCROLL sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-H_GRID sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-V_GRID sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-COLS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-INVISIBLE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CONTAINER_NAME_OUTPUT sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-REF_CONTEXT_MENUE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SCRIPT_ATTR sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SCRIPTNAME sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-FILE_NAME sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SCRIPT_CLASS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SCRIPT_COMMENT sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-WRITES_TRACE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-NO_BREAK sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-BP_REACHED sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-WP_REACHED sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SINGLE_STEP sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-NEW_ROLLAREA sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SINGLE_RUN sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SYSTDBG sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CLOSEDEBF8 sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SYNCBPS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-EXCCREATEOBJECT sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-UPDATEDEBUG sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-BTCDEBUG sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-EMODESTACK sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-ESI sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-ACFLUSH sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SOAAC sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-CHECKREADBINARY sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-LAYERCONTROL sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-OBJECT_NAME sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-DATATEMPERATURE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-INPUT_PARAMETERS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-OUTPUT_PARAMETERS sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-INPUT_TYPE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-OUTPUT_TYPE sy-vline 
WA_TPDA_TOOL_GL_WRAPPER_STR-SCRIPT_LOADED sy-vline      INTO ld_text SEPARATED BY SPACE.

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