ABAP Select data from SAP table DB2CCDAILYX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB2CCDAILYX 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 DB2CCDAILYX. 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 DB2CCDAILYX 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_DB2CCDAILYX TYPE STANDARD TABLE OF DB2CCDAILYX,
      WA_DB2CCDAILYX TYPE DB2CCDAILYX,
      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: <DB2CCDAILYX> TYPE DB2CCDAILYX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB2CCDAILYX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB2CCDAILYX
  INTO TABLE IT_DB2CCDAILYX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB2CCDAILYX
*  INTO TABLE @DATA(IT_DB2CCDAILYX2).
*--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_DB2CCDAILYX INDEX 1 INTO DATA(WA_DB2CCDAILYX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB2CCDAILYX ASSIGNING <DB2CCDAILYX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB2CCDAILYX>-DATE_ANA = 1.
<DB2CCDAILYX>-TIME_ANA = 1.
<DB2CCDAILYX>-DBNAM = 1.
<DB2CCDAILYX>-TSNAM = 1.
<DB2CCDAILYX>-TSPART = 1.

ENDLOOP.

LOOP AT IT_DB2CCDAILYX INTO WA_DB2CCDAILYX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB2CCDAILYX-CREATOR, sy-vline,
  WA_DB2CCDAILYX-IXNAME, sy-vline,
  WA_DB2CCDAILYX-DBNAME, sy-vline,
  WA_DB2CCDAILYX-TSNAME, sy-vline,
  WA_DB2CCDAILYX-PARTI, sy-vline,
  WA_DB2CCDAILYX-INSTANCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB2CCDAILYX 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_DB2CCDAILYX 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_DB2CCDAILYX INTO WA_DB2CCDAILYX.


*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_DB2CCDAILYX_STR, 
DATE_ANA TYPE STRING,
TIME_ANA TYPE STRING,
DBNAM TYPE STRING,
TSNAM TYPE STRING,
TSPART TYPE STRING,
CREATOR TYPE STRING,
IXNAME TYPE STRING,
DBNAME TYPE STRING,
TSNAME TYPE STRING,
PARTI TYPE STRING,
INSTANCE TYPE STRING,
CLONE TYPE STRING,
OBJTYPE TYPE STRING,
INDEXSPACE TYPE STRING,
IDXCREATOR TYPE STRING,
OBJSTATUS TYPE STRING,
COPYREC TYPE STRING,
RUNSTREC TYPE STRING,
EXTENTS TYPE STRING,
REORGREC TYPE STRING,
EXCTABLE TYPE STRING,
ASSOCTS TYPE STRING,
COPYTIME TYPE STRING,
LOADREPLTI TYPE STRING,
REBUILDTIM TYPE STRING,
FCUPDPGS TYPE STRING,
FCUPDPGSABS TYPE STRING,
FCCHGPCT TYPE STRING,
FCDAYSCOPY TYPE STRING,
FCINDEXSIZ TYPE STRING,
REORGTIME TYPE STRING,
RTINSPCT TYPE STRING,
RTINSABS TYPE STRING,
RTDELPCT TYPE STRING,
RTDELABS TYPE STRING,
RTUNCLUST TYPE STRING,
RTLOBPCT TYPE STRING,
RTDATASPRAT TYPE STRING,
RTMASSDEL TYPE STRING,
RTINDREF TYPE STRING,
RIINSPCT TYPE STRING,
RIINSABS TYPE STRING,
RIDELPCT TYPE STRING,
RIDELABS TYPE STRING,
RIAPPINS TYPE STRING,
RIPSEUDODE TYPE STRING,
RIMASSDEL TYPE STRING,
RILEAFLIM TYPE STRING,
RINUMLEVEL TYPE STRING,
RUNSTATSTI TYPE STRING,
STINSDELP TYPE STRING,
STINSDELA TYPE STRING,
STMASSDEL TYPE STRING,
SIINSDELP TYPE STRING,
SIINSDELA TYPE STRING,
SIMASSDEL TYPE STRING,
EXTENT_NO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB2CCDAILYX_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_DB2CCDAILYX_STR-DATE_ANA sy-vline 
WA_DB2CCDAILYX_STR-TIME_ANA sy-vline 
WA_DB2CCDAILYX_STR-DBNAM sy-vline 
WA_DB2CCDAILYX_STR-TSNAM sy-vline 
WA_DB2CCDAILYX_STR-TSPART sy-vline 
WA_DB2CCDAILYX_STR-CREATOR sy-vline 
WA_DB2CCDAILYX_STR-IXNAME sy-vline 
WA_DB2CCDAILYX_STR-DBNAME sy-vline 
WA_DB2CCDAILYX_STR-TSNAME sy-vline 
WA_DB2CCDAILYX_STR-PARTI sy-vline 
WA_DB2CCDAILYX_STR-INSTANCE sy-vline 
WA_DB2CCDAILYX_STR-CLONE sy-vline 
WA_DB2CCDAILYX_STR-OBJTYPE sy-vline 
WA_DB2CCDAILYX_STR-INDEXSPACE sy-vline 
WA_DB2CCDAILYX_STR-IDXCREATOR sy-vline 
WA_DB2CCDAILYX_STR-OBJSTATUS sy-vline 
WA_DB2CCDAILYX_STR-COPYREC sy-vline 
WA_DB2CCDAILYX_STR-RUNSTREC sy-vline 
WA_DB2CCDAILYX_STR-EXTENTS sy-vline 
WA_DB2CCDAILYX_STR-REORGREC sy-vline 
WA_DB2CCDAILYX_STR-EXCTABLE sy-vline 
WA_DB2CCDAILYX_STR-ASSOCTS sy-vline 
WA_DB2CCDAILYX_STR-COPYTIME sy-vline 
WA_DB2CCDAILYX_STR-LOADREPLTI sy-vline 
WA_DB2CCDAILYX_STR-REBUILDTIM sy-vline 
WA_DB2CCDAILYX_STR-FCUPDPGS sy-vline 
WA_DB2CCDAILYX_STR-FCUPDPGSABS sy-vline 
WA_DB2CCDAILYX_STR-FCCHGPCT sy-vline 
WA_DB2CCDAILYX_STR-FCDAYSCOPY sy-vline 
WA_DB2CCDAILYX_STR-FCINDEXSIZ sy-vline 
WA_DB2CCDAILYX_STR-REORGTIME sy-vline 
WA_DB2CCDAILYX_STR-RTINSPCT sy-vline 
WA_DB2CCDAILYX_STR-RTINSABS sy-vline 
WA_DB2CCDAILYX_STR-RTDELPCT sy-vline 
WA_DB2CCDAILYX_STR-RTDELABS sy-vline 
WA_DB2CCDAILYX_STR-RTUNCLUST sy-vline 
WA_DB2CCDAILYX_STR-RTLOBPCT sy-vline 
WA_DB2CCDAILYX_STR-RTDATASPRAT sy-vline 
WA_DB2CCDAILYX_STR-RTMASSDEL sy-vline 
WA_DB2CCDAILYX_STR-RTINDREF sy-vline 
WA_DB2CCDAILYX_STR-RIINSPCT sy-vline 
WA_DB2CCDAILYX_STR-RIINSABS sy-vline 
WA_DB2CCDAILYX_STR-RIDELPCT sy-vline 
WA_DB2CCDAILYX_STR-RIDELABS sy-vline 
WA_DB2CCDAILYX_STR-RIAPPINS sy-vline 
WA_DB2CCDAILYX_STR-RIPSEUDODE sy-vline 
WA_DB2CCDAILYX_STR-RIMASSDEL sy-vline 
WA_DB2CCDAILYX_STR-RILEAFLIM sy-vline 
WA_DB2CCDAILYX_STR-RINUMLEVEL sy-vline 
WA_DB2CCDAILYX_STR-RUNSTATSTI sy-vline 
WA_DB2CCDAILYX_STR-STINSDELP sy-vline 
WA_DB2CCDAILYX_STR-STINSDELA sy-vline 
WA_DB2CCDAILYX_STR-STMASSDEL sy-vline 
WA_DB2CCDAILYX_STR-SIINSDELP sy-vline 
WA_DB2CCDAILYX_STR-SIINSDELA sy-vline 
WA_DB2CCDAILYX_STR-SIMASSDEL sy-vline 
WA_DB2CCDAILYX_STR-EXTENT_NO sy-vline      INTO ld_text SEPARATED BY SPACE.

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