ABAP Select data from SAP table CCGLS_CLBLIOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCGLS_CLBLIOT
*  INTO TABLE @DATA(IT_CCGLS_CLBLIOT2).
*--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_CCGLS_CLBLIOT INDEX 1 INTO DATA(WA_CCGLS_CLBLIOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCGLS_CLBLIOT>-MARKFLG = 1.
<CCGLS_CLBLIOT>-SELEFLG = 1.
<CCGLS_CLBLIOT>-LINENO = 1.
<CCGLS_CLBLIOT>-LINEMOD = 1.
<CCGLS_CLBLIOT>-CHCOFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCGLS_CLBLIOT-LOCKMOD, sy-vline,
  WA_CCGLS_CLBLIOT-INTRFLG, sy-vline,
  WA_CCGLS_CLBLIOT-MANDT, sy-vline,
  WA_CCGLS_CLBLIOT-RECN, sy-vline,
  WA_CCGLS_CLBLIOT-ACTN, sy-vline,
  WA_CCGLS_CLBLIOT-DELFLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCGLS_CLBLIOT 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_CCGLS_CLBLIOT 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_CCGLS_CLBLIOT INTO WA_CCGLS_CLBLIOT.


*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.

*Conversion exit ALPHA, internal->external for field RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-PUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-PUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHRID, internal->external for field LDEPID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-LDEPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-LDEPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_CLBLIOT-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_CLBLIOT-RECNROOT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CCGLS_CLBLIOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
DELFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
KUNNR TYPE STRING,
LTYP TYPE STRING,
PUOM TYPE STRING,
LDEPID TYPE STRING,
NUM_LBLS TYPE STRING,
RECNROOT TYPE STRING,
REPTNAM TYPE STRING,
MSEHL TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCGLS_CLBLIOT_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_CCGLS_CLBLIOT_STR-MARKFLG sy-vline 
WA_CCGLS_CLBLIOT_STR-SELEFLG sy-vline 
WA_CCGLS_CLBLIOT_STR-LINENO sy-vline 
WA_CCGLS_CLBLIOT_STR-LINEMOD sy-vline 
WA_CCGLS_CLBLIOT_STR-CHCOFLG sy-vline 
WA_CCGLS_CLBLIOT_STR-LOCKMOD sy-vline 
WA_CCGLS_CLBLIOT_STR-INTRFLG sy-vline 
WA_CCGLS_CLBLIOT_STR-MANDT sy-vline 
WA_CCGLS_CLBLIOT_STR-RECN sy-vline 
WA_CCGLS_CLBLIOT_STR-ACTN sy-vline 
WA_CCGLS_CLBLIOT_STR-DELFLG sy-vline 
WA_CCGLS_CLBLIOT_STR-CRDAT sy-vline 
WA_CCGLS_CLBLIOT_STR-CRNAM sy-vline 
WA_CCGLS_CLBLIOT_STR-UPDDAT sy-vline 
WA_CCGLS_CLBLIOT_STR-UPDNAM sy-vline 
WA_CCGLS_CLBLIOT_STR-KUNNR sy-vline 
WA_CCGLS_CLBLIOT_STR-LTYP sy-vline 
WA_CCGLS_CLBLIOT_STR-PUOM sy-vline 
WA_CCGLS_CLBLIOT_STR-LDEPID sy-vline 
WA_CCGLS_CLBLIOT_STR-NUM_LBLS sy-vline 
WA_CCGLS_CLBLIOT_STR-RECNROOT sy-vline 
WA_CCGLS_CLBLIOT_STR-REPTNAM sy-vline 
WA_CCGLS_CLBLIOT_STR-MSEHL sy-vline 
WA_CCGLS_CLBLIOT_STR-VALFR sy-vline 
WA_CCGLS_CLBLIOT_STR-VALTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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