ABAP Select data from SAP table CCMSBI_SWNCGLSUBDB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCMSBI_SWNCGLSUBDB
*  INTO TABLE @DATA(IT_CCMSBI_SWNCGLSUBDB2).
*--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_CCMSBI_SWNCGLSUBDB INDEX 1 INTO DATA(WA_CCMSBI_SWNCGLSUBDB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCMSBI_SWNCGLSUBDB>-CONNECTION_NAME = 1.
<CCMSBI_SWNCGLSUBDB>-READDIRCNT = 1.
<CCMSBI_SWNCGLSUBDB>-READDIRTI = 1.
<CCMSBI_SWNCGLSUBDB>-READDIRREC = 1.
<CCMSBI_SWNCGLSUBDB>-READDIRBUF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCMSBI_SWNCGLSUBDB-READSEQCNT, sy-vline,
  WA_CCMSBI_SWNCGLSUBDB-READSEQTI, sy-vline,
  WA_CCMSBI_SWNCGLSUBDB-READSEQREC, sy-vline,
  WA_CCMSBI_SWNCGLSUBDB-READSEQBUF, sy-vline,
  WA_CCMSBI_SWNCGLSUBDB-PHYREADCNT, sy-vline,
  WA_CCMSBI_SWNCGLSUBDB-INSCNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCMSBI_SWNCGLSUBDB 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_CCMSBI_SWNCGLSUBDB 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_CCMSBI_SWNCGLSUBDB INTO WA_CCMSBI_SWNCGLSUBDB.


*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_CCMSBI_SWNCGLSUBDB_STR, 
CONNECTION_NAME TYPE STRING,
READDIRCNT TYPE STRING,
READDIRTI TYPE STRING,
READDIRREC TYPE STRING,
READDIRBUF TYPE STRING,
READSEQCNT TYPE STRING,
READSEQTI TYPE STRING,
READSEQREC TYPE STRING,
READSEQBUF TYPE STRING,
PHYREADCNT TYPE STRING,
INSCNT TYPE STRING,
INSTI TYPE STRING,
INSREC TYPE STRING,
PHYINSCNT TYPE STRING,
UPDCNT TYPE STRING,
UPDTI TYPE STRING,
UPDREC TYPE STRING,
PHYUPDCNT TYPE STRING,
DELCNT TYPE STRING,
DELTI TYPE STRING,
DELREC TYPE STRING,
PHYDELCNT TYPE STRING,
COMMITTI TYPE STRING,
DBPROCNT TYPE STRING,
DBPROCTI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCMSBI_SWNCGLSUBDB_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_CCMSBI_SWNCGLSUBDB_STR-CONNECTION_NAME sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READDIRCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READDIRTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READDIRREC sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READDIRBUF sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READSEQCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READSEQTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READSEQREC sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-READSEQBUF sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-PHYREADCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-INSCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-INSTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-INSREC sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-PHYINSCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-UPDCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-UPDTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-UPDREC sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-PHYUPDCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-DELCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-DELTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-DELREC sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-PHYDELCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-COMMITTI sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-DBPROCNT sy-vline 
WA_CCMSBI_SWNCGLSUBDB_STR-DBPROCTI sy-vline      INTO ld_text SEPARATED BY SPACE.

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