ABAP Select data from SAP table /SRMSMC/PX_S_DNB_PROD_DET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SRMSMC/PX_S_DNB_PROD_DET 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 /SRMSMC/PX_S_DNB_PROD_DET. 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 /SRMSMC/PX_S_DNB_PROD_DET 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_/SRMSMC/PX_S_DNB_PROD_DET TYPE STANDARD TABLE OF /SRMSMC/PX_S_DNB_PROD_DET,
      WA_/SRMSMC/PX_S_DNB_PROD_DET TYPE /SRMSMC/PX_S_DNB_PROD_DET,
      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: </SRMSMC/PX_S_DNB_PROD_DET> TYPE /SRMSMC/PX_S_DNB_PROD_DET.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SRMSMC/PX_S_DNB_PROD_DET
  INTO TABLE IT_/SRMSMC/PX_S_DNB_PROD_DET.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SRMSMC/PX_S_DNB_PROD_DET
*  INTO TABLE @DATA(IT_/SRMSMC/PX_S_DNB_PROD_DET2).
*--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_/SRMSMC/PX_S_DNB_PROD_DET INDEX 1 INTO DATA(WA_/SRMSMC/PX_S_DNB_PROD_DET2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SRMSMC/PX_S_DNB_PROD_DET ASSIGNING </SRMSMC/PX_S_DNB_PROD_DET>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SRMSMC/PX_S_DNB_PROD_DET>-CONTROLLER = 1.
</SRMSMC/PX_S_DNB_PROD_DET>-TRANS_NME = 1.
</SRMSMC/PX_S_DNB_PROD_DET>-PROD_NME = 1.
</SRMSMC/PX_S_DNB_PROD_DET>-PROD_NME_DESC = 1.
</SRMSMC/PX_S_DNB_PROD_DET>-NON_BR_IND = 1.

ENDLOOP.

LOOP AT IT_/SRMSMC/PX_S_DNB_PROD_DET INTO WA_/SRMSMC/PX_S_DNB_PROD_DET.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SRMSMC/PX_S_DNB_PROD_DET-INV_IND, sy-vline,
  WA_/SRMSMC/PX_S_DNB_PROD_DET-INV_PREF, sy-vline,
  WA_/SRMSMC/PX_S_DNB_PROD_DET-LAST_UPD_DT, sy-vline,
  WA_/SRMSMC/PX_S_DNB_PROD_DET-PROD_TYPE_CD, sy-vline,
  WA_/SRMSMC/PX_S_DNB_PROD_DET-INDT_CD, sy-vline,
  WA_/SRMSMC/PX_S_DNB_PROD_DET-LANGUAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SRMSMC/PX_S_DNB_PROD_DET 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_/SRMSMC/PX_S_DNB_PROD_DET 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_/SRMSMC/PX_S_DNB_PROD_DET INTO WA_/SRMSMC/PX_S_DNB_PROD_DET.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SRMSMC/PX_S_DNB_PROD_DET_STR, 
CONTROLLER TYPE STRING,
TRANS_NME TYPE STRING,
PROD_NME TYPE STRING,
PROD_NME_DESC TYPE STRING,
NON_BR_IND TYPE STRING,
INV_IND TYPE STRING,
INV_PREF TYPE STRING,
LAST_UPD_DT TYPE STRING,
PROD_TYPE_CD TYPE STRING,
INDT_CD TYPE STRING,
LANGUAGE TYPE STRING,
FLDS_EXST_IND TYPE STRING,
SD_IND TYPE STRING,
INP_ID TYPE STRING,
UPD_FLDS TYPE STRING,
CONTROLLER TYPE STRING,
ARRAY_OF_UPD_FLDS2ITEM TYPE STRING,
KEY_FLDS TYPE STRING,
CONTROLLER TYPE STRING,
ARRAY_OF_KEY_FLDS2ITEM TYPE STRING,
CUST_INP_DATA TYPE STRING,
CONTROLLER TYPE STRING,
ARRAY_OF_CUST_INP_DATA2ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SRMSMC/PX_S_DNB_PROD_DET_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_/SRMSMC/PX_S_DNB_PROD_DET_STR-CONTROLLER sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-TRANS_NME sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-PROD_NME sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-PROD_NME_DESC sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-NON_BR_IND sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-INV_IND sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-INV_PREF sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-LAST_UPD_DT sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-PROD_TYPE_CD sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-INDT_CD sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-LANGUAGE sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-FLDS_EXST_IND sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-SD_IND sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-INP_ID sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-UPD_FLDS sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-CONTROLLER sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-ARRAY_OF_UPD_FLDS2ITEM sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-KEY_FLDS sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-CONTROLLER sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-ARRAY_OF_KEY_FLDS2ITEM sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-CUST_INP_DATA sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-CONTROLLER sy-vline 
WA_/SRMSMC/PX_S_DNB_PROD_DET_STR-ARRAY_OF_CUST_INP_DATA2ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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