ABAP Select data from SAP table SIQ_VIEW_TABLE_DTL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SIQ_VIEW_TABLE_DTL
*  INTO TABLE @DATA(IT_SIQ_VIEW_TABLE_DTL2).
*--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_SIQ_VIEW_TABLE_DTL INDEX 1 INTO DATA(WA_SIQ_VIEW_TABLE_DTL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SIQ_VIEW_TABLE_DTL>-TABLES = 1.
<SIQ_VIEW_TABLE_DTL>-TABLEIDVALUE = 1.
<SIQ_VIEW_TABLE_DTL>-CREATORNAME = 1.
<SIQ_VIEW_TABLE_DTL>-OBJECTIDVALUE = 1.
<SIQ_VIEW_TABLE_DTL>-TABLENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SIQ_VIEW_TABLE_DTL-USERNAME, sy-vline,
  WA_SIQ_VIEW_TABLE_DTL-TABLETYPE, sy-vline,
  WA_SIQ_VIEW_TABLE_DTL-DBSPACEID, sy-vline,
  WA_SIQ_VIEW_TABLE_DTL-DBSPACENAME, sy-vline,
  WA_SIQ_VIEW_TABLE_DTL-COMMITACTION, sy-vline,
  WA_SIQ_VIEW_TABLE_DTL-SHARETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SIQ_VIEW_TABLE_DTL 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_SIQ_VIEW_TABLE_DTL 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_SIQ_VIEW_TABLE_DTL INTO WA_SIQ_VIEW_TABLE_DTL.


*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_SIQ_VIEW_TABLE_DTL_STR, 
TABLES TYPE STRING,
TABLEIDVALUE TYPE STRING,
CREATORNAME TYPE STRING,
OBJECTIDVALUE TYPE STRING,
TABLENAME TYPE STRING,
USERNAME TYPE STRING,
TABLETYPE TYPE STRING,
DBSPACEID TYPE STRING,
DBSPACENAME TYPE STRING,
COMMITACTION TYPE STRING,
SHARETYPE TYPE STRING,
EXISTINGOBJECT TYPE STRING,
SRVID TYPE STRING,
REMOTELOCATION TYPE STRING,
SRVCLASS TYPE STRING,
ACTIVECOLUMN TYPE STRING,
REPLICATE TYPE STRING,
ENCRYPTED TYPE STRING,
PCTFREEVALUE TYPE STRING,
COUNTVALUE TYPE STRING,
REMARKS TYPE STRING,
JOINID TYPE STRING,
CREATIONTIME TYPE STRING,
UPDATETIME TYPE STRING,
NULLCOLUMN TYPE STRING,
SRVNAME TYPE STRING,
ISRLV TYPE STRING,
TABLEROWS TYPE STRING,
TABLESIZE TYPE STRING,
TABLEPARTITIONS TYPE STRING,
COLUMNS TYPE STRING,
PARTITIONS TYPE STRING,
COLPARTITIONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SIQ_VIEW_TABLE_DTL_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_SIQ_VIEW_TABLE_DTL_STR-TABLES sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLEIDVALUE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-CREATORNAME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-OBJECTIDVALUE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLENAME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-USERNAME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLETYPE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-DBSPACEID sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-DBSPACENAME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-COMMITACTION sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-SHARETYPE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-EXISTINGOBJECT sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-SRVID sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-REMOTELOCATION sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-SRVCLASS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-ACTIVECOLUMN sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-REPLICATE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-ENCRYPTED sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-PCTFREEVALUE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-COUNTVALUE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-REMARKS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-JOINID sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-CREATIONTIME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-UPDATETIME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-NULLCOLUMN sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-SRVNAME sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-ISRLV sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLEROWS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLESIZE sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-TABLEPARTITIONS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-COLUMNS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-PARTITIONS sy-vline 
WA_SIQ_VIEW_TABLE_DTL_STR-COLPARTITIONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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