ABAP Select data from SAP table /SAPHT/DRMSR3XNSISEARCHKEY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPHT/DRMSR3XNSISEARCHKEY 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 /SAPHT/DRMSR3XNSISEARCHKEY. 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 /SAPHT/DRMSR3XNSISEARCHKEY 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_/SAPHT/DRMSR3XNSISEARCHKEY TYPE STANDARD TABLE OF /SAPHT/DRMSR3XNSISEARCHKEY,
      WA_/SAPHT/DRMSR3XNSISEARCHKEY TYPE /SAPHT/DRMSR3XNSISEARCHKEY,
      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: </SAPHT/DRMSR3XNSISEARCHKEY> TYPE /SAPHT/DRMSR3XNSISEARCHKEY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPHT/DRMSR3XNSISEARCHKEY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPHT/DRMSR3XNSISEARCHKEY
  INTO TABLE IT_/SAPHT/DRMSR3XNSISEARCHKEY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPHT/DRMSR3XNSISEARCHKEY
*  INTO TABLE @DATA(IT_/SAPHT/DRMSR3XNSISEARCHKEY2).
*--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_/SAPHT/DRMSR3XNSISEARCHKEY INDEX 1 INTO DATA(WA_/SAPHT/DRMSR3XNSISEARCHKEY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPHT/DRMSR3XNSISEARCHKEY ASSIGNING </SAPHT/DRMSR3XNSISEARCHKEY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPHT/DRMSR3XNSISEARCHKEY>-LS_DOC_NO = 1.
</SAPHT/DRMSR3XNSISEARCHKEY>-DOC_TYP = 1.
</SAPHT/DRMSR3XNSISEARCHKEY>-DOC_NO = 1.
</SAPHT/DRMSR3XNSISEARCHKEY>-DOC_ITM = 1.
</SAPHT/DRMSR3XNSISEARCHKEY>-DOC_YEAR = 1.

ENDLOOP.

LOOP AT IT_/SAPHT/DRMSR3XNSISEARCHKEY INTO WA_/SAPHT/DRMSR3XNSISEARCHKEY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPHT/DRMSR3XNSISEARCHKEY-COMP_CODE, sy-vline,
  WA_/SAPHT/DRMSR3XNSISEARCHKEY-KEYNUM, sy-vline,
  WA_/SAPHT/DRMSR3XNSISEARCHKEY-MSBOOKPARTNO, sy-vline,
  WA_/SAPHT/DRMSR3XNSISEARCHKEY-MATERIAL, sy-vline,
  WA_/SAPHT/DRMSR3XNSISEARCHKEY-TRACK_PARTNER, sy-vline,
  WA_/SAPHT/DRMSR3XNSISEARCHKEY-PARTNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPHT/DRMSR3XNSISEARCHKEY 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_/SAPHT/DRMSR3XNSISEARCHKEY 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_/SAPHT/DRMSR3XNSISEARCHKEY INTO WA_/SAPHT/DRMSR3XNSISEARCHKEY.


*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 LS_DOC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-LS_DOC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-LS_DOC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-DOC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-DOC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field DOC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-DOC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-DOC_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEYNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-KEYNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-KEYNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MSBOOKPARTNO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-MSBOOKPARTNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-MSBOOKPARTNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRACK_PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-TRACK_PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-TRACK_PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field END_CUST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPHT/DRMSR3XNSISEARCHKEY-END_CUST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPHT/DRMSR3XNSISEARCHKEY-END_CUST.
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_/SAPHT/DRMSR3XNSISEARCHKEY_STR, 
LS_DOC_NO TYPE STRING,
DOC_TYP TYPE STRING,
DOC_NO TYPE STRING,
DOC_ITM TYPE STRING,
DOC_YEAR TYPE STRING,
COMP_CODE TYPE STRING,
KEYNUM TYPE STRING,
MSBOOKPARTNO TYPE STRING,
MATERIAL TYPE STRING,
TRACK_PARTNER TYPE STRING,
PARTNER TYPE STRING,
LOTTYPE TYPE STRING,
END_CUST TYPE STRING,
PLANT TYPE STRING,
SALES_ORG TYPE STRING,
DIST_CHNL TYPE STRING,
DIVISION TYPE STRING,
PURCH_ORG TYPE STRING,
BUCKETTYPE TYPE STRING,
MS_DR_IND TYPE STRING,
ASSEMBLY_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPHT/DRMSR3XNSISEARCHKEY_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_/SAPHT/DRMSR3XNSISEARCHKEY_STR-LS_DOC_NO sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DOC_TYP sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DOC_NO sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DOC_ITM sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DOC_YEAR sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-COMP_CODE sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-KEYNUM sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-MSBOOKPARTNO sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-MATERIAL sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-TRACK_PARTNER sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-PARTNER sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-LOTTYPE sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-END_CUST sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-PLANT sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-SALES_ORG sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DIST_CHNL sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-DIVISION sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-PURCH_ORG sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-BUCKETTYPE sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-MS_DR_IND sy-vline 
WA_/SAPHT/DRMSR3XNSISEARCHKEY_STR-ASSEMBLY_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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