ABAP Select data from SAP table DB4_VIEW_SORTS_OVERVIEW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB4_VIEW_SORTS_OVERVIEW 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 DB4_VIEW_SORTS_OVERVIEW. 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 DB4_VIEW_SORTS_OVERVIEW 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_DB4_VIEW_SORTS_OVERVIEW TYPE STANDARD TABLE OF DB4_VIEW_SORTS_OVERVIEW,
      WA_DB4_VIEW_SORTS_OVERVIEW TYPE DB4_VIEW_SORTS_OVERVIEW,
      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: <DB4_VIEW_SORTS_OVERVIEW> TYPE DB4_VIEW_SORTS_OVERVIEW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB4_VIEW_SORTS_OVERVIEW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB4_VIEW_SORTS_OVERVIEW
  INTO TABLE IT_DB4_VIEW_SORTS_OVERVIEW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB4_VIEW_SORTS_OVERVIEW
*  INTO TABLE @DATA(IT_DB4_VIEW_SORTS_OVERVIEW2).
*--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_DB4_VIEW_SORTS_OVERVIEW INDEX 1 INTO DATA(WA_DB4_VIEW_SORTS_OVERVIEW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB4_VIEW_SORTS_OVERVIEW ASSIGNING <DB4_VIEW_SORTS_OVERVIEW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB4_VIEW_SORTS_OVERVIEW>-SQLPLC_HDR = 1.
<DB4_VIEW_SORTS_OVERVIEW>-SQLPLC_TIME = 1.
<DB4_VIEW_SORTS_OVERVIEW>-SQLPLC_TAB = 1.
<DB4_VIEW_SORTS_OVERVIEW>-SAP_SID = 1.
<DB4_VIEW_SORTS_OVERVIEW>-SCHEMA_NAME = 1.

ENDLOOP.

LOOP AT IT_DB4_VIEW_SORTS_OVERVIEW INTO WA_DB4_VIEW_SORTS_OVERVIEW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB4_VIEW_SORTS_OVERVIEW-SAP_TYPE, sy-vline,
  WA_DB4_VIEW_SORTS_OVERVIEW-HOST_ID_KEY, sy-vline,
  WA_DB4_VIEW_SORTS_OVERVIEW-HOST_ID, sy-vline,
  WA_DB4_VIEW_SORTS_OVERVIEW-HOST_NAME, sy-vline,
  WA_DB4_VIEW_SORTS_OVERVIEW-IPLDATA_HOST_NAME_TAB, sy-vline,
  WA_DB4_VIEW_SORTS_OVERVIEW-IPL_TIME_KEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB4_VIEW_SORTS_OVERVIEW 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_DB4_VIEW_SORTS_OVERVIEW 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_DB4_VIEW_SORTS_OVERVIEW INTO WA_DB4_VIEW_SORTS_OVERVIEW.


*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_DB4_VIEW_SORTS_OVERVIEW_STR, 
SQLPLC_HDR TYPE STRING,
SQLPLC_TIME TYPE STRING,
SQLPLC_TAB TYPE STRING,
SAP_SID TYPE STRING,
SCHEMA_NAME TYPE STRING,
SAP_TYPE TYPE STRING,
HOST_ID_KEY TYPE STRING,
HOST_ID TYPE STRING,
HOST_NAME TYPE STRING,
IPLDATA_HOST_NAME_TAB TYPE STRING,
IPL_TIME_KEY TYPE STRING,
IPL_NUMBER TYPE STRING,
IPL_TIME TYPE STRING,
IPLDATA_TIME_TAB TYPE STRING,
SORT_CRITERIA_KEY TYPE STRING,
SORT_CRITERIAS_TAB TYPE STRING,
LIMIT_ROWS_KEY TYPE STRING,
LIMIT_ROWS_TAB TYPE STRING,
LIMIT_ROWS TYPE STRING,
ACCESSED_SCHEMA TYPE STRING,
ACCESSED_TABLE TYPE STRING,
FROM_DATE TYPE STRING,
FROM_TIME TYPE STRING,
TO_DATE TYPE STRING,
TO_TIME TYPE STRING,
STMTS_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB4_VIEW_SORTS_OVERVIEW_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_DB4_VIEW_SORTS_OVERVIEW_STR-SQLPLC_HDR sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SQLPLC_TIME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SQLPLC_TAB sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SAP_SID sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SCHEMA_NAME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SAP_TYPE sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-HOST_ID_KEY sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-HOST_ID sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-HOST_NAME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-IPLDATA_HOST_NAME_TAB sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-IPL_TIME_KEY sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-IPL_NUMBER sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-IPL_TIME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-IPLDATA_TIME_TAB sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SORT_CRITERIA_KEY sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-SORT_CRITERIAS_TAB sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-LIMIT_ROWS_KEY sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-LIMIT_ROWS_TAB sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-LIMIT_ROWS sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-ACCESSED_SCHEMA sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-ACCESSED_TABLE sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-FROM_DATE sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-FROM_TIME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-TO_DATE sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-TO_TIME sy-vline 
WA_DB4_VIEW_SORTS_OVERVIEW_STR-STMTS_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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