ABAP Select data from SAP table IINVGCSMLOCATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IINVGCSMLOCATION
*  INTO TABLE @DATA(IT_IINVGCSMLOCATION2).
*--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_IINVGCSMLOCATION INDEX 1 INTO DATA(WA_IINVGCSMLOCATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IINVGCSMLOCATION>-MANDT = 1.
<IINVGCSMLOCATION>-INVGCSMLOCATIONID = 1.
<IINVGCSMLOCATION>-INVGCSMLOCATIONNAME = 1.
<IINVGCSMLOCATION>-INVGCSMLOCATIONCATEGORYUUID = 1.
<IINVGCSMLOCATION>-INVGCSMLOCATIONSECURITYLEVEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IINVGCSMLOCATION-INVGCSMLOCATIONISHIDDEN, sy-vline,
  WA_IINVGCSMLOCATION-ADDRESSID, sy-vline,
  WA_IINVGCSMLOCATION-INVGCSMLOCATIONCREATEDBY, sy-vline,
  WA_IINVGCSMLOCATION-INVGCSMLOCATIONCREATEDONDATE, sy-vline,
  WA_IINVGCSMLOCATION-INVGCSMLOCATIONCHANGEDBY, sy-vline,
  WA_IINVGCSMLOCATION-INVGCSMLOCATIONCHANGEDONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IINVGCSMLOCATION 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_IINVGCSMLOCATION 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_IINVGCSMLOCATION INTO WA_IINVGCSMLOCATION.


*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 ADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IINVGCSMLOCATION-ADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IINVGCSMLOCATION-ADDRESSID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field COUNTYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IINVGCSMLOCATION-COUNTYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IINVGCSMLOCATION-COUNTYCODE.
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_IINVGCSMLOCATION_STR, 
MANDT TYPE STRING,
INVGCSMLOCATIONID TYPE STRING,
INVGCSMLOCATIONNAME TYPE STRING,
INVGCSMLOCATIONCATEGORYUUID TYPE STRING,
INVGCSMLOCATIONSECURITYLEVEL TYPE STRING,
INVGCSMLOCATIONISHIDDEN TYPE STRING,
ADDRESSID TYPE STRING,
INVGCSMLOCATIONCREATEDBY TYPE STRING,
INVGCSMLOCATIONCREATEDONDATE TYPE STRING,
INVGCSMLOCATIONCHANGEDBY TYPE STRING,
INVGCSMLOCATIONCHANGEDONDATE TYPE STRING,
INVGCSMCATEGORYID TYPE STRING,
POBOX TYPE STRING,
POBOXISWITHOUTNUMBER TYPE STRING,
POBOXPOSTALCODE TYPE STRING,
POBOXLOBBYNAME TYPE STRING,
FULLNAME TYPE STRING,
CITYNAME TYPE STRING,
DISTRICT TYPE STRING,
CITYCODE TYPE STRING,
HOMECITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
STREETNAME TYPE STRING,
STREETPREFIXNAME TYPE STRING,
ADDITIONALSTREETPREFIXNAME TYPE STRING,
STREETSUFFIXNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
COUNTY TYPE STRING,
COUNTYCODE TYPE STRING,
INVGCSMIMAGEFILEID TYPE STRING,
ISACTIVEENTITY TYPE STRING,
INVGCSMGEOLOCATIONLATITUDE TYPE STRING,
INVGCSMGEOLOCATIONLONGITUDE TYPE STRING,
INVGCSMGEOLOCATIONALTITUDE TYPE STRING,
ARCHIVINGSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IINVGCSMLOCATION_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_IINVGCSMLOCATION_STR-MANDT sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONID sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONNAME sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONCATEGORYUUID sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONSECURITYLEVEL sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONISHIDDEN sy-vline 
WA_IINVGCSMLOCATION_STR-ADDRESSID sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONCREATEDBY sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONCREATEDONDATE sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONCHANGEDBY sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMLOCATIONCHANGEDONDATE sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMCATEGORYID sy-vline 
WA_IINVGCSMLOCATION_STR-POBOX sy-vline 
WA_IINVGCSMLOCATION_STR-POBOXISWITHOUTNUMBER sy-vline 
WA_IINVGCSMLOCATION_STR-POBOXPOSTALCODE sy-vline 
WA_IINVGCSMLOCATION_STR-POBOXLOBBYNAME sy-vline 
WA_IINVGCSMLOCATION_STR-FULLNAME sy-vline 
WA_IINVGCSMLOCATION_STR-CITYNAME sy-vline 
WA_IINVGCSMLOCATION_STR-DISTRICT sy-vline 
WA_IINVGCSMLOCATION_STR-CITYCODE sy-vline 
WA_IINVGCSMLOCATION_STR-HOMECITYNAME sy-vline 
WA_IINVGCSMLOCATION_STR-POSTALCODE sy-vline 
WA_IINVGCSMLOCATION_STR-STREETNAME sy-vline 
WA_IINVGCSMLOCATION_STR-STREETPREFIXNAME sy-vline 
WA_IINVGCSMLOCATION_STR-ADDITIONALSTREETPREFIXNAME sy-vline 
WA_IINVGCSMLOCATION_STR-STREETSUFFIXNAME sy-vline 
WA_IINVGCSMLOCATION_STR-HOUSENUMBER sy-vline 
WA_IINVGCSMLOCATION_STR-COUNTRY sy-vline 
WA_IINVGCSMLOCATION_STR-REGION sy-vline 
WA_IINVGCSMLOCATION_STR-COUNTY sy-vline 
WA_IINVGCSMLOCATION_STR-COUNTYCODE sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMIMAGEFILEID sy-vline 
WA_IINVGCSMLOCATION_STR-ISACTIVEENTITY sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMGEOLOCATIONLATITUDE sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMGEOLOCATIONLONGITUDE sy-vline 
WA_IINVGCSMLOCATION_STR-INVGCSMGEOLOCATIONALTITUDE sy-vline 
WA_IINVGCSMLOCATION_STR-ARCHIVINGSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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