ABAP Select data from SAP table ISM_DPAM_CHANGE_ORDER_RESPONS1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISM_DPAM_CHANGE_ORDER_RESPONS1 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 ISM_DPAM_CHANGE_ORDER_RESPONS1. 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 ISM_DPAM_CHANGE_ORDER_RESPONS1 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_ISM_DPAM_CHANGE_ORDER_RESPONS1 TYPE STANDARD TABLE OF ISM_DPAM_CHANGE_ORDER_RESPONS1,
      WA_ISM_DPAM_CHANGE_ORDER_RESPONS1 TYPE ISM_DPAM_CHANGE_ORDER_RESPONS1,
      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: <ISM_DPAM_CHANGE_ORDER_RESPONS1> TYPE ISM_DPAM_CHANGE_ORDER_RESPONS1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISM_DPAM_CHANGE_ORDER_RESPONS1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISM_DPAM_CHANGE_ORDER_RESPONS1
  INTO TABLE IT_ISM_DPAM_CHANGE_ORDER_RESPONS1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISM_DPAM_CHANGE_ORDER_RESPONS1
*  INTO TABLE @DATA(IT_ISM_DPAM_CHANGE_ORDER_RESPONS12).
*--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_ISM_DPAM_CHANGE_ORDER_RESPONS1 INDEX 1 INTO DATA(WA_ISM_DPAM_CHANGE_ORDER_RESPONS12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISM_DPAM_CHANGE_ORDER_RESPONS1 ASSIGNING <ISM_DPAM_CHANGE_ORDER_RESPONS1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISM_DPAM_CHANGE_ORDER_RESPONS1>-SELECTION = 1.
<ISM_DPAM_CHANGE_ORDER_RESPONS1>-CONTROLLER = 1.
<ISM_DPAM_CHANGE_ORDER_RESPONS1>-EXCEPTION = 1.
<ISM_DPAM_CHANGE_ORDER_RESPONS1>-CONTROLLER = 1.
<ISM_DPAM_CHANGE_ORDER_RESPONS1>-EXCEPTION_DETAIL = 1.

ENDLOOP.

LOOP AT IT_ISM_DPAM_CHANGE_ORDER_RESPONS1 INTO WA_ISM_DPAM_CHANGE_ORDER_RESPONS1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-CHANGE_ORDER_RESPONSE, sy-vline,
  WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-CONTROLLER, sy-vline,
  WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-RETURN, sy-vline,
  WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-CONTROLLER, sy-vline,
  WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-RETURN_CODE, sy-vline,
  WA_ISM_DPAM_CHANGE_ORDER_RESPONS1-ERR_MSG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISM_DPAM_CHANGE_ORDER_RESPONS1 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_ISM_DPAM_CHANGE_ORDER_RESPONS1 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_ISM_DPAM_CHANGE_ORDER_RESPONS1 INTO WA_ISM_DPAM_CHANGE_ORDER_RESPONS1.


*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_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR, 
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
EXCEPTION TYPE STRING,
CONTROLLER TYPE STRING,
EXCEPTION_DETAIL TYPE STRING,
CHANGE_ORDER_RESPONSE TYPE STRING,
CONTROLLER TYPE STRING,
RETURN TYPE STRING,
CONTROLLER TYPE STRING,
RETURN_CODE TYPE STRING,
ERR_MSG TYPE STRING,
MSG_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
MSG_FORMAT TYPE STRING,
MSG_ID TYPE STRING,
ODOCID TYPE STRING,
CREATION_DATE_TIME TYPE STRING,
RECEIVER TYPE STRING,
COMMUNICATION_PARTNER TYPE STRING,
ORIGIN TYPE STRING,
CONTROLLER TYPE STRING,
SYSTEM_NAME TYPE STRING,
SYSTEM_VERSION TYPE STRING,
CERTIFICATION_DATE TYPE STRING,
FREE_TEXT TYPE STRING,
ORDER_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
PRODUCTION_STATE TYPE STRING,
CHANGED_AT TYPE STRING,
STATE TYPE STRING,
CONTROLLER TYPE STRING,
FINAL TYPE STRING,
CONTENT TYPE STRING,
ACHIEVED_DATA_QUALITY TYPE STRING,
ORDER_CATEGORY TYPE STRING,
ORDER_CATEGORY_GROUP TYPE STRING,
ORDER_ID TYPE STRING,
CUST_ORDER_ID TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
VALUE TYPE STRING,
CURRENCY TYPE STRING,
REF_ORDER TYPE STRING,
CODE_TABLE_VERSION TYPE STRING,
VERSION TYPE STRING,
TESTCASE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_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_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-SELECTION sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-EXCEPTION sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-EXCEPTION_DETAIL sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CHANGE_ORDER_RESPONSE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-RETURN sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-RETURN_CODE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ERR_MSG sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-MSG_HEADER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-MSG_FORMAT sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-MSG_ID sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ODOCID sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CREATION_DATE_TIME sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-RECEIVER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-COMMUNICATION_PARTNER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ORIGIN sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-SYSTEM_NAME sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-SYSTEM_VERSION sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CERTIFICATION_DATE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-FREE_TEXT sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ORDER_HEADER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-PRODUCTION_STATE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CHANGED_AT sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-STATE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-FINAL sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTENT sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ACHIEVED_DATA_QUALITY sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ORDER_CATEGORY sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ORDER_CATEGORY_GROUP sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-ORDER_ID sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CUST_ORDER_ID sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-TOTAL_AMOUNT sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CONTROLLER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-VALUE sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CURRENCY sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-REF_ORDER sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-CODE_TABLE_VERSION sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-VERSION sy-vline 
WA_ISM_DPAM_CHANGE_ORDER_RESPONS1_STR-TESTCASE sy-vline      INTO ld_text SEPARATED BY SPACE.

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