ABAP Select data from SAP table PROD_PLANT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROD_PLANT
*  INTO TABLE @DATA(IT_PROD_PLANT2).
*--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_PROD_PLANT INDEX 1 INTO DATA(WA_PROD_PLANT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROD_PLANT>-MANDT = 1.
<PROD_PLANT>-DRAFTUUID = 1.
<PROD_PLANT>-PARENTDRAFTUUID = 1.
<PROD_PLANT>-PRODUCT = 1.
<PROD_PLANT>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROD_PLANT-PRODUCTFOREDIT, sy-vline,
  WA_PROD_PLANT-PLANTFOREDIT, sy-vline,
  WA_PROD_PLANT-PROFILECODE, sy-vline,
  WA_PROD_PLANT-PROFILEVALIDITYSTARTDATE, sy-vline,
  WA_PROD_PLANT-FISCALYEARVARIANT, sy-vline,
  WA_PROD_PLANT-PERIODTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROD_PLANT 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_PROD_PLANT 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_PROD_PLANT INTO WA_PROD_PLANT.


*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 MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROD_PLANT-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_PLANT-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCTFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROD_PLANT-PRODUCTFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_PLANT-PRODUCTFOREDIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field CONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROD_PLANT-CONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_PLANT-CONFIGURABLEPRODUCT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field GOODSISSUEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PROD_PLANT-GOODSISSUEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_PLANT-GOODSISSUEUNIT.
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_PROD_PLANT_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
PRODUCTFOREDIT TYPE STRING,
PLANTFOREDIT TYPE STRING,
PROFILECODE TYPE STRING,
PROFILEVALIDITYSTARTDATE TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
PERIODTYPE TYPE STRING,
PROFITCENTER TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
CONFIGURABLEPRODUCT TYPE STRING,
STOCKDETERMINATIONGROUP TYPE STRING,
ISBATCHMANAGEMENTREQUIRED TYPE STRING,
SERIALNUMBERPROFILE TYPE STRING,
ISNEGATIVESTOCKALLOWED TYPE STRING,
ISINTERNALBATCHMANAGED TYPE STRING,
PRODUCTCFOPCATEGORY TYPE STRING,
PRODUCTISEXCISETAXRELEVANT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
PLANTCATEGORY TYPE STRING,
REFERENCEDISTRIBUTIONCENTER TYPE STRING,
REFERENCESTORE TYPE STRING,
ISREFERENCEDISTRIBUTIONCENTER TYPE STRING,
ISREFERENCESTORE TYPE STRING,
CONFIGURATIONSIDEEFFECT TYPE STRING,
GOODSISSUEUNIT TYPE STRING,
DISTRCNTRDISTRIBUTIONPROFILE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_PLNT_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROD_PLANT_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_PROD_PLANT_STR-MANDT sy-vline 
WA_PROD_PLANT_STR-DRAFTUUID sy-vline 
WA_PROD_PLANT_STR-PARENTDRAFTUUID sy-vline 
WA_PROD_PLANT_STR-PRODUCT sy-vline 
WA_PROD_PLANT_STR-PLANT sy-vline 
WA_PROD_PLANT_STR-PRODUCTFOREDIT sy-vline 
WA_PROD_PLANT_STR-PLANTFOREDIT sy-vline 
WA_PROD_PLANT_STR-PROFILECODE sy-vline 
WA_PROD_PLANT_STR-PROFILEVALIDITYSTARTDATE sy-vline 
WA_PROD_PLANT_STR-FISCALYEARVARIANT sy-vline 
WA_PROD_PLANT_STR-PERIODTYPE sy-vline 
WA_PROD_PLANT_STR-PROFITCENTER sy-vline 
WA_PROD_PLANT_STR-ISMARKEDFORDELETION sy-vline 
WA_PROD_PLANT_STR-CONFIGURABLEPRODUCT sy-vline 
WA_PROD_PLANT_STR-STOCKDETERMINATIONGROUP sy-vline 
WA_PROD_PLANT_STR-ISBATCHMANAGEMENTREQUIRED sy-vline 
WA_PROD_PLANT_STR-SERIALNUMBERPROFILE sy-vline 
WA_PROD_PLANT_STR-ISNEGATIVESTOCKALLOWED sy-vline 
WA_PROD_PLANT_STR-ISINTERNALBATCHMANAGED sy-vline 
WA_PROD_PLANT_STR-PRODUCTCFOPCATEGORY sy-vline 
WA_PROD_PLANT_STR-PRODUCTISEXCISETAXRELEVANT sy-vline 
WA_PROD_PLANT_STR-CONTROLLINGAREA sy-vline 
WA_PROD_PLANT_STR-SALESORGANIZATION sy-vline 
WA_PROD_PLANT_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PROD_PLANT_STR-PLANTCATEGORY sy-vline 
WA_PROD_PLANT_STR-REFERENCEDISTRIBUTIONCENTER sy-vline 
WA_PROD_PLANT_STR-REFERENCESTORE sy-vline 
WA_PROD_PLANT_STR-ISREFERENCEDISTRIBUTIONCENTER sy-vline 
WA_PROD_PLANT_STR-ISREFERENCESTORE sy-vline 
WA_PROD_PLANT_STR-CONFIGURATIONSIDEEFFECT sy-vline 
WA_PROD_PLANT_STR-GOODSISSUEUNIT sy-vline 
WA_PROD_PLANT_STR-DISTRCNTRDISTRIBUTIONPROFILE sy-vline 
WA_PROD_PLANT_STR-HASACTIVEENTITY sy-vline 
WA_PROD_PLANT_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_PROD_PLANT_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_PROD_PLANT_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_PROD_PLANT_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_PROD_PLANT_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_PROD_PLANT_STR-DUMMY_PLNT_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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