ABAP Select data from SAP table CCGLS_APILSHD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCGLS_APILSHD 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_APILSHD. 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_APILSHD 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_APILSHD TYPE STANDARD TABLE OF CCGLS_APILSHD,
      WA_CCGLS_APILSHD TYPE CCGLS_APILSHD,
      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_APILSHD> TYPE CCGLS_APILSHD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCGLS_APILSHD
*  INTO TABLE @DATA(IT_CCGLS_APILSHD2).
*--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_APILSHD INDEX 1 INTO DATA(WA_CCGLS_APILSHD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCGLS_APILSHD>-ERRORMODE = 1.
<CCGLS_APILSHD>-ERRORINFO = 1.
<CCGLS_APILSHD>-ERRORCLASS = 1.
<CCGLS_APILSHD>-ERRORPARAM = 1.
<CCGLS_APILSHD>-LOGLOCKMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCGLS_APILSHD-EXTINFO, sy-vline,
  WA_CCGLS_APILSHD-LINEMOD, sy-vline,
  WA_CCGLS_APILSHD-MANDT, sy-vline,
  WA_CCGLS_APILSHD-RECN, sy-vline,
  WA_CCGLS_APILSHD-ACTN, sy-vline,
  WA_CCGLS_APILSHD-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCGLS_APILSHD 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_APILSHD 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_APILSHD INTO WA_CCGLS_APILSHD.


*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_APILSHD-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_APILSHD-RECN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCGLS_APILSHD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLS_APILSHD-MATNR.
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_APILSHD_STR, 
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
LINEMOD TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
LSID TYPE STRING,
LSIZE TYPE STRING,
MAXUSY TYPE STRING,
MAXNBX TYPE STRING,
MAXNBY TYPE STRING,
DISTLX TYPE STRING,
DISTLY TYPE STRING,
DISTEDGX TYPE STRING,
DISTEDGY TYPE STRING,
UOM TYPE STRING,
LSLANDSCAPE TYPE STRING,
MATNR TYPE STRING,
LSSIZE TYPE STRING,
FLG_GHS_LABEL TYPE STRING,
MINUSY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCGLS_APILSHD_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_APILSHD_STR-ERRORMODE sy-vline 
WA_CCGLS_APILSHD_STR-ERRORINFO sy-vline 
WA_CCGLS_APILSHD_STR-ERRORCLASS sy-vline 
WA_CCGLS_APILSHD_STR-ERRORPARAM sy-vline 
WA_CCGLS_APILSHD_STR-LOGLOCKMOD sy-vline 
WA_CCGLS_APILSHD_STR-EXTINFO sy-vline 
WA_CCGLS_APILSHD_STR-LINEMOD sy-vline 
WA_CCGLS_APILSHD_STR-MANDT sy-vline 
WA_CCGLS_APILSHD_STR-RECN sy-vline 
WA_CCGLS_APILSHD_STR-ACTN sy-vline 
WA_CCGLS_APILSHD_STR-VALFR sy-vline 
WA_CCGLS_APILSHD_STR-VALTO sy-vline 
WA_CCGLS_APILSHD_STR-AENNR sy-vline 
WA_CCGLS_APILSHD_STR-DELFLG sy-vline 
WA_CCGLS_APILSHD_STR-PARKFLG sy-vline 
WA_CCGLS_APILSHD_STR-CRDAT sy-vline 
WA_CCGLS_APILSHD_STR-CRNAM sy-vline 
WA_CCGLS_APILSHD_STR-UPDDAT sy-vline 
WA_CCGLS_APILSHD_STR-UPDNAM sy-vline 
WA_CCGLS_APILSHD_STR-SRSID sy-vline 
WA_CCGLS_APILSHD_STR-OWNID sy-vline 
WA_CCGLS_APILSHD_STR-RECNROOT sy-vline 
WA_CCGLS_APILSHD_STR-LSID sy-vline 
WA_CCGLS_APILSHD_STR-LSIZE sy-vline 
WA_CCGLS_APILSHD_STR-MAXUSY sy-vline 
WA_CCGLS_APILSHD_STR-MAXNBX sy-vline 
WA_CCGLS_APILSHD_STR-MAXNBY sy-vline 
WA_CCGLS_APILSHD_STR-DISTLX sy-vline 
WA_CCGLS_APILSHD_STR-DISTLY sy-vline 
WA_CCGLS_APILSHD_STR-DISTEDGX sy-vline 
WA_CCGLS_APILSHD_STR-DISTEDGY sy-vline 
WA_CCGLS_APILSHD_STR-UOM sy-vline 
WA_CCGLS_APILSHD_STR-LSLANDSCAPE sy-vline 
WA_CCGLS_APILSHD_STR-MATNR sy-vline 
WA_CCGLS_APILSHD_STR-LSSIZE sy-vline 
WA_CCGLS_APILSHD_STR-FLG_GHS_LABEL sy-vline 
WA_CCGLS_APILSHD_STR-MINUSY sy-vline      INTO ld_text SEPARATED BY SPACE.

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