ABAP Select data from SAP table VGHO_PRDENTY_TYPE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VGHO_PRDENTY_TYPE
*  INTO TABLE @DATA(IT_VGHO_PRDENTY_TYPE2).
*--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_VGHO_PRDENTY_TYPE INDEX 1 INTO DATA(WA_VGHO_PRDENTY_TYPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VGHO_PRDENTY_TYPE>-MANDT = 1.
<VGHO_PRDENTY_TYPE>-GHO_PE_TYPE = 1.
<VGHO_PRDENTY_TYPE>-GHO_PE_ID = 1.
<VGHO_PRDENTY_TYPE>-DESCR = 1.
<VGHO_PRDENTY_TYPE>-OPERATOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VGHO_PRDENTY_TYPE-LESSOR, sy-vline,
  WA_VGHO_PRDENTY_TYPE-COUNTRY, sy-vline,
  WA_VGHO_PRDENTY_TYPE-REGION, sy-vline,
  WA_VGHO_PRDENTY_TYPE-DEPTH_FROM, sy-vline,
  WA_VGHO_PRDENTY_TYPE-UOM_FROM, sy-vline,
  WA_VGHO_PRDENTY_TYPE-DEPTH_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VGHO_PRDENTY_TYPE 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_VGHO_PRDENTY_TYPE 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_VGHO_PRDENTY_TYPE INTO WA_VGHO_PRDENTY_TYPE.


*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 UOM_FROM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VGHO_PRDENTY_TYPE-UOM_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VGHO_PRDENTY_TYPE-UOM_FROM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field WATER_DPTH_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VGHO_PRDENTY_TYPE-WATER_DPTH_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VGHO_PRDENTY_TYPE-WATER_DPTH_UNIT.
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_VGHO_PRDENTY_TYPE_STR, 
MANDT TYPE STRING,
GHO_PE_TYPE TYPE STRING,
GHO_PE_ID TYPE STRING,
DESCR TYPE STRING,
OPERATOR TYPE STRING,
LESSOR TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
DEPTH_FROM TYPE STRING,
UOM_FROM TYPE STRING,
DEPTH_TO TYPE STRING,
UOM_TO TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
LONGITUDE_UNIT TYPE STRING,
LATITUDE TYPE STRING,
LONGITUDE TYPE STRING,
LATITUDE_UNIT TYPE STRING,
PLATFORM_TYPE TYPE STRING,
FIRST_PRD_DT TYPE STRING,
INSTL_DT TYPE STRING,
LATITUDE_DIR_CD TYPE STRING,
LNGITUDE_DIR_CD TYPE STRING,
ROTARY_TBL_ELV_U TYPE STRING,
ROTARY_TBL_ELV TYPE STRING,
OFFSHORE_CODE TYPE STRING,
PLATFORM_GRP TYPE STRING,
MAJOR_PRODUCT_CD TYPE STRING,
WATER_DEPTH TYPE STRING,
WATER_DPTH_UNIT TYPE STRING,
FIELD_GROUP TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VGHO_PRDENTY_TYPE_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_VGHO_PRDENTY_TYPE_STR-MANDT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-GHO_PE_TYPE sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-GHO_PE_ID sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-DESCR sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-OPERATOR sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LESSOR sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-COUNTRY sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-REGION sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-DEPTH_FROM sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-UOM_FROM sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-DEPTH_TO sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-UOM_TO sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-ERDAT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-ERNAM sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-AEDAT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-AENAM sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LONGITUDE_UNIT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LATITUDE sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LONGITUDE sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LATITUDE_UNIT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-PLATFORM_TYPE sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-FIRST_PRD_DT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-INSTL_DT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LATITUDE_DIR_CD sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-LNGITUDE_DIR_CD sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-ROTARY_TBL_ELV_U sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-ROTARY_TBL_ELV sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-OFFSHORE_CODE sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-PLATFORM_GRP sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-MAJOR_PRODUCT_CD sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-WATER_DEPTH sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-WATER_DPTH_UNIT sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-FIELD_GROUP sy-vline 
WA_VGHO_PRDENTY_TYPE_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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