ABAP Select data from SAP table DB6PMADVIX_GUI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB6PMADVIX_GUI 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 DB6PMADVIX_GUI. 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 DB6PMADVIX_GUI 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_DB6PMADVIX_GUI TYPE STANDARD TABLE OF DB6PMADVIX_GUI,
      WA_DB6PMADVIX_GUI TYPE DB6PMADVIX_GUI,
      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: <DB6PMADVIX_GUI> TYPE DB6PMADVIX_GUI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB6PMADVIX_GUI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB6PMADVIX_GUI
  INTO TABLE IT_DB6PMADVIX_GUI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB6PMADVIX_GUI
*  INTO TABLE @DATA(IT_DB6PMADVIX_GUI2).
*--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_DB6PMADVIX_GUI INDEX 1 INTO DATA(WA_DB6PMADVIX_GUI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB6PMADVIX_GUI ASSIGNING <DB6PMADVIX_GUI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB6PMADVIX_GUI>-EXPLAIN_TIME = 1.
<DB6PMADVIX_GUI>-SOURCE_NAME = 1.
<DB6PMADVIX_GUI>-SOURCE_SCHEMA = 1.
<DB6PMADVIX_GUI>-SOURCE_VERSION = 1.
<DB6PMADVIX_GUI>-EXPLAIN_LEVEL = 1.

ENDLOOP.

LOOP AT IT_DB6PMADVIX_GUI INTO WA_DB6PMADVIX_GUI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB6PMADVIX_GUI-STMTNO, sy-vline,
  WA_DB6PMADVIX_GUI-SECTNO, sy-vline,
  WA_DB6PMADVIX_GUI-QUERYNO, sy-vline,
  WA_DB6PMADVIX_GUI-QUERYTAG, sy-vline,
  WA_DB6PMADVIX_GUI-NAME, sy-vline,
  WA_DB6PMADVIX_GUI-CREATOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB6PMADVIX_GUI 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_DB6PMADVIX_GUI 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_DB6PMADVIX_GUI INTO WA_DB6PMADVIX_GUI.


*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_DB6PMADVIX_GUI_STR, 
EXPLAIN_TIME TYPE STRING,
SOURCE_NAME TYPE STRING,
SOURCE_SCHEMA TYPE STRING,
SOURCE_VERSION TYPE STRING,
EXPLAIN_LEVEL TYPE STRING,
STMTNO TYPE STRING,
SECTNO TYPE STRING,
QUERYNO TYPE STRING,
QUERYTAG TYPE STRING,
NAME TYPE STRING,
CREATOR TYPE STRING,
TBNAME TYPE STRING,
TBCREATOR TYPE STRING,
COLNAMES TYPE STRING,
UNIQUERULE TYPE STRING,
COLCOUNT TYPE STRING,
IID TYPE STRING,
NLEAF TYPE STRING,
NLEVELS TYPE STRING,
FIRSTKEYCARD TYPE STRING,
FULLKEYCARD TYPE STRING,
CLUSTERRATIO TYPE STRING,
CLUSTERFACTOR TYPE STRING,
USERDEFINED TYPE STRING,
SYSTEM_REQUIRED TYPE STRING,
CREATE_TIME TYPE STRING,
STATS_TIME TYPE STRING,
REMARKS TYPE STRING,
DEFINER TYPE STRING,
CONVERTED TYPE STRING,
SEQUENTIAL_PAGES TYPE STRING,
DENSITY TYPE STRING,
FIRST2KEYCARD TYPE STRING,
FIRST3KEYCARD TYPE STRING,
FIRST4KEYCARD TYPE STRING,
PCTFREE TYPE STRING,
UNIQUE_COLCOUNT TYPE STRING,
MINPCTUSED TYPE STRING,
REVERSE_SCANS TYPE STRING,
USE_INDEX TYPE STRING,
CREATION_TEXT TYPE STRING,
RUN_ID TYPE STRING,
INDEXTYPE TYPE STRING,
EXISTS TYPE STRING,
RIDTOBLOCK TYPE STRING,
INCLCOLS TYPE STRING,
ESTM_SIZE TYPE STRING,
INCL_COLNAMES TYPE STRING,
CREATEIX_BUT TYPE STRING,
CELLTAB TYPE STRING,
WD_VISIBILITY TYPE STRING,
REF_WL_BUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB6PMADVIX_GUI_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_DB6PMADVIX_GUI_STR-EXPLAIN_TIME sy-vline 
WA_DB6PMADVIX_GUI_STR-SOURCE_NAME sy-vline 
WA_DB6PMADVIX_GUI_STR-SOURCE_SCHEMA sy-vline 
WA_DB6PMADVIX_GUI_STR-SOURCE_VERSION sy-vline 
WA_DB6PMADVIX_GUI_STR-EXPLAIN_LEVEL sy-vline 
WA_DB6PMADVIX_GUI_STR-STMTNO sy-vline 
WA_DB6PMADVIX_GUI_STR-SECTNO sy-vline 
WA_DB6PMADVIX_GUI_STR-QUERYNO sy-vline 
WA_DB6PMADVIX_GUI_STR-QUERYTAG sy-vline 
WA_DB6PMADVIX_GUI_STR-NAME sy-vline 
WA_DB6PMADVIX_GUI_STR-CREATOR sy-vline 
WA_DB6PMADVIX_GUI_STR-TBNAME sy-vline 
WA_DB6PMADVIX_GUI_STR-TBCREATOR sy-vline 
WA_DB6PMADVIX_GUI_STR-COLNAMES sy-vline 
WA_DB6PMADVIX_GUI_STR-UNIQUERULE sy-vline 
WA_DB6PMADVIX_GUI_STR-COLCOUNT sy-vline 
WA_DB6PMADVIX_GUI_STR-IID sy-vline 
WA_DB6PMADVIX_GUI_STR-NLEAF sy-vline 
WA_DB6PMADVIX_GUI_STR-NLEVELS sy-vline 
WA_DB6PMADVIX_GUI_STR-FIRSTKEYCARD sy-vline 
WA_DB6PMADVIX_GUI_STR-FULLKEYCARD sy-vline 
WA_DB6PMADVIX_GUI_STR-CLUSTERRATIO sy-vline 
WA_DB6PMADVIX_GUI_STR-CLUSTERFACTOR sy-vline 
WA_DB6PMADVIX_GUI_STR-USERDEFINED sy-vline 
WA_DB6PMADVIX_GUI_STR-SYSTEM_REQUIRED sy-vline 
WA_DB6PMADVIX_GUI_STR-CREATE_TIME sy-vline 
WA_DB6PMADVIX_GUI_STR-STATS_TIME sy-vline 
WA_DB6PMADVIX_GUI_STR-REMARKS sy-vline 
WA_DB6PMADVIX_GUI_STR-DEFINER sy-vline 
WA_DB6PMADVIX_GUI_STR-CONVERTED sy-vline 
WA_DB6PMADVIX_GUI_STR-SEQUENTIAL_PAGES sy-vline 
WA_DB6PMADVIX_GUI_STR-DENSITY sy-vline 
WA_DB6PMADVIX_GUI_STR-FIRST2KEYCARD sy-vline 
WA_DB6PMADVIX_GUI_STR-FIRST3KEYCARD sy-vline 
WA_DB6PMADVIX_GUI_STR-FIRST4KEYCARD sy-vline 
WA_DB6PMADVIX_GUI_STR-PCTFREE sy-vline 
WA_DB6PMADVIX_GUI_STR-UNIQUE_COLCOUNT sy-vline 
WA_DB6PMADVIX_GUI_STR-MINPCTUSED sy-vline 
WA_DB6PMADVIX_GUI_STR-REVERSE_SCANS sy-vline 
WA_DB6PMADVIX_GUI_STR-USE_INDEX sy-vline 
WA_DB6PMADVIX_GUI_STR-CREATION_TEXT sy-vline 
WA_DB6PMADVIX_GUI_STR-RUN_ID sy-vline 
WA_DB6PMADVIX_GUI_STR-INDEXTYPE sy-vline 
WA_DB6PMADVIX_GUI_STR-EXISTS sy-vline 
WA_DB6PMADVIX_GUI_STR-RIDTOBLOCK sy-vline 
WA_DB6PMADVIX_GUI_STR-INCLCOLS sy-vline 
WA_DB6PMADVIX_GUI_STR-ESTM_SIZE sy-vline 
WA_DB6PMADVIX_GUI_STR-INCL_COLNAMES sy-vline 
WA_DB6PMADVIX_GUI_STR-CREATEIX_BUT sy-vline 
WA_DB6PMADVIX_GUI_STR-CELLTAB sy-vline 
WA_DB6PMADVIX_GUI_STR-WD_VISIBILITY sy-vline 
WA_DB6PMADVIX_GUI_STR-REF_WL_BUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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