ABAP Select data from SAP table ISMDCHGPROCCONFIGNMTCHG_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISMDCHGPROCCONFIGNMTCHG_D
*  INTO TABLE @DATA(IT_ISMDCHGPROCCONFIGNMTCHG_D2).
*--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_ISMDCHGPROCCONFIGNMTCHG_D INDEX 1 INTO DATA(WA_ISMDCHGPROCCONFIGNMTCHG_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISMDCHGPROCCONFIGNMTCHG_D>-FUZZY = 1.
<ISMDCHGPROCCONFIGNMTCHG_D>-MDCHGPROCFUZZYCONFIGN = 1.
<ISMDCHGPROCCONFIGNMTCHG_D>-MDCHGPROCFUZZYUPPERTHLD = 1.
<ISMDCHGPROCCONFIGNMTCHG_D>-MDCHGPROCFUZZYADAPTERCONFIGN = 1.
<ISMDCHGPROCCONFIGNMTCHG_D>-IM_HANA_ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCMTCHGCONFIGN, sy-vline,
  WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCMTCHGTHLD, sy-vline,
  WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCISMTCHGMISGSECDRYADDR, sy-vline,
  WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCISMTCHGMISGTYPEADDR, sy-vline,
  WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCISMTCHGDIFFNTTYPEADDR, sy-vline,
  WA_ISMDCHGPROCCONFIGNMTCHG_D-MDCHGPROCISMTCHGMISGADDR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISMDCHGPROCCONFIGNMTCHG_D 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_ISMDCHGPROCCONFIGNMTCHG_D 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_ISMDCHGPROCCONFIGNMTCHG_D INTO WA_ISMDCHGPROCCONFIGNMTCHG_D.


*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_ISMDCHGPROCCONFIGNMTCHG_D_STR, 
FUZZY TYPE STRING,
MDCHGPROCFUZZYCONFIGN TYPE STRING,
MDCHGPROCFUZZYUPPERTHLD TYPE STRING,
MDCHGPROCFUZZYADAPTERCONFIGN TYPE STRING,
IM_HANA_ADDRESS TYPE STRING,
MDCHGPROCMTCHGCONFIGN TYPE STRING,
MDCHGPROCMTCHGTHLD TYPE STRING,
MDCHGPROCISMTCHGMISGSECDRYADDR TYPE STRING,
MDCHGPROCISMTCHGMISGTYPEADDR TYPE STRING,
MDCHGPROCISMTCHGDIFFNTTYPEADDR TYPE STRING,
MDCHGPROCISMTCHGMISGADDR TYPE STRING,
MDCHGPROCISMTCHGDIFFNTADDR TYPE STRING,
MDCHGPROCISMTCHGTYPEMATCHING TYPE STRING,
MDCHGPROCMTCHGCLEANSECNTRY TYPE STRING,
MDCHGPROCMTCHGCONFIGNCNTRY TYPE STRING,
IM_HANA_CUST TYPE STRING,
IM_HANA_FIRM TYPE STRING,
MDCHGPROCMTCHGCONFIGN TYPE STRING,
MDCHGPROCMTCHGTHLD TYPE STRING,
MDCHGPROCISMTCHGINITIALSFIRM TYPE STRING,
MDCHGPROCISMTCHGSHRTFIRM TYPE STRING,
MDCHGPROCISMTCHGABBRVWORD TYPE STRING,
MDCHGPROCISMTCHGNUMBERFIRM TYPE STRING,
MDCHGPROCISMTCHGTYPEMATCHING TYPE STRING,
MDCHGPROCMTCHGDOMAINCLEANSE TYPE STRING,
IM_HANA_PERSON TYPE STRING,
MDCHGPROCMTCHGCONFIGN TYPE STRING,
MDCHGPROCMTCHGTHLD TYPE STRING,
MDCHGPROCISMTCHGFIRSTNAMEINIT TYPE STRING,
MDCHGPROCISMTCHGCOMPND1STNAME TYPE STRING,
MDCHGPROCISMTCHGMIDDLENAME TYPE STRING,
MDCHGPROCISMTCHGNAMEVARN TYPE STRING,
MDCHGPROCISMTCHGLASTNAMEINIT TYPE STRING,
MDCHGPROCISMTCHGCOMPNDLASTNAME TYPE STRING,
MDCHGPROCISMTCHGMISGPOSTNAME TYPE STRING,
MDCHGPROCISMTCHGTYPEMATCHING TYPE STRING,
MDCHGPROCMTCHGDOMAINCLEANSE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISMDCHGPROCCONFIGNMTCHG_D_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_ISMDCHGPROCCONFIGNMTCHG_D_STR-FUZZY sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCFUZZYCONFIGN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCFUZZYUPPERTHLD sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCFUZZYADAPTERCONFIGN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-IM_HANA_ADDRESS sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGCONFIGN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGTHLD sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGMISGSECDRYADDR sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGMISGTYPEADDR sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGDIFFNTTYPEADDR sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGMISGADDR sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGDIFFNTADDR sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGTYPEMATCHING sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGCLEANSECNTRY sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGCONFIGNCNTRY sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-IM_HANA_CUST sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-IM_HANA_FIRM sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGCONFIGN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGTHLD sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGINITIALSFIRM sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGSHRTFIRM sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGABBRVWORD sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGNUMBERFIRM sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGTYPEMATCHING sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGDOMAINCLEANSE sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-IM_HANA_PERSON sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGCONFIGN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGTHLD sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGFIRSTNAMEINIT sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGCOMPND1STNAME sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGMIDDLENAME sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGNAMEVARN sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGLASTNAMEINIT sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGCOMPNDLASTNAME sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGMISGPOSTNAME sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCISMTCHGTYPEMATCHING sy-vline 
WA_ISMDCHGPROCCONFIGNMTCHG_D_STR-MDCHGPROCMTCHGDOMAINCLEANSE sy-vline      INTO ld_text SEPARATED BY SPACE.

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