ABAP Select data from SAP table CCGLS_MPD_LABELS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCGLS_MPD_LABELS 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_MPD_LABELS. 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_MPD_LABELS 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_MPD_LABELS TYPE STANDARD TABLE OF CCGLS_MPD_LABELS,
      WA_CCGLS_MPD_LABELS TYPE CCGLS_MPD_LABELS,
      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_MPD_LABELS> TYPE CCGLS_MPD_LABELS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCGLS_MPD_LABELS
*  INTO TABLE @DATA(IT_CCGLS_MPD_LABELS2).
*--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_MPD_LABELS INDEX 1 INTO DATA(WA_CCGLS_MPD_LABELS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCGLS_MPD_LABELS>-ID = 1.
<CCGLS_MPD_LABELS>-PUOM = 1.
<CCGLS_MPD_LABELS>-PUOM_DESC = 1.
<CCGLS_MPD_LABELS>-LABEL_TYPE = 1.
<CCGLS_MPD_LABELS>-LABEL_TYPE_DESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCGLS_MPD_LABELS-LABEL_PAPER, sy-vline,
  WA_CCGLS_MPD_LABELS-LABEL_DESCRIPTION, sy-vline,
  WA_CCGLS_MPD_LABELS-LABEL_SCRDESC, sy-vline,
  WA_CCGLS_MPD_LABELS-LABEL_COUNT, sy-vline,
  WA_CCGLS_MPD_LABELS-LABEL_COUNT_ADD, sy-vline,
  WA_CCGLS_MPD_LABELS-LDEPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCGLS_MPD_LABELS 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_MPD_LABELS 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_MPD_LABELS INTO WA_CCGLS_MPD_LABELS.


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

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

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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_MPD_LABELS-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_MPD_LABELS-LANGU.
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_MPD_LABELS_STR, 
ID TYPE STRING,
PUOM TYPE STRING,
PUOM_DESC TYPE STRING,
LABEL_TYPE TYPE STRING,
LABEL_TYPE_DESC TYPE STRING,
LABEL_PAPER TYPE STRING,
LABEL_DESCRIPTION TYPE STRING,
LABEL_SCRDESC TYPE STRING,
LABEL_COUNT TYPE STRING,
LABEL_COUNT_ADD TYPE STRING,
LDEPID TYPE STRING,
REPORT_RECN TYPE STRING,
GEN_VAR_NAME TYPE STRING,
GEN_VAR_SCRDESC TYPE STRING,
NUM_LBL_APPLY TYPE STRING,
NUM_PUOM_SUM TYPE STRING,
LSID TYPE STRING,
SORT TYPE STRING,
LABELSTOCK_RECN TYPE STRING,
LABELSPEC_RECN TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
LANGU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCGLS_MPD_LABELS_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_MPD_LABELS_STR-ID sy-vline 
WA_CCGLS_MPD_LABELS_STR-PUOM sy-vline 
WA_CCGLS_MPD_LABELS_STR-PUOM_DESC sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_TYPE sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_TYPE_DESC sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_PAPER sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_DESCRIPTION sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_SCRDESC sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_COUNT sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABEL_COUNT_ADD sy-vline 
WA_CCGLS_MPD_LABELS_STR-LDEPID sy-vline 
WA_CCGLS_MPD_LABELS_STR-REPORT_RECN sy-vline 
WA_CCGLS_MPD_LABELS_STR-GEN_VAR_NAME sy-vline 
WA_CCGLS_MPD_LABELS_STR-GEN_VAR_SCRDESC sy-vline 
WA_CCGLS_MPD_LABELS_STR-NUM_LBL_APPLY sy-vline 
WA_CCGLS_MPD_LABELS_STR-NUM_PUOM_SUM sy-vline 
WA_CCGLS_MPD_LABELS_STR-LSID sy-vline 
WA_CCGLS_MPD_LABELS_STR-SORT sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABELSTOCK_RECN sy-vline 
WA_CCGLS_MPD_LABELS_STR-LABELSPEC_RECN sy-vline 
WA_CCGLS_MPD_LABELS_STR-DOKAR sy-vline 
WA_CCGLS_MPD_LABELS_STR-DOKNR sy-vline 
WA_CCGLS_MPD_LABELS_STR-DOKVR sy-vline 
WA_CCGLS_MPD_LABELS_STR-DOKTL sy-vline 
WA_CCGLS_MPD_LABELS_STR-LANGU sy-vline      INTO ld_text SEPARATED BY SPACE.

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