ABAP Select data from SAP table ESO_S4HDT_AGREEMENT_LINE_ITE12 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ESO_S4HDT_AGREEMENT_LINE_ITE12 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 ESO_S4HDT_AGREEMENT_LINE_ITE12. 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 ESO_S4HDT_AGREEMENT_LINE_ITE12 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_ESO_S4HDT_AGREEMENT_LINE_ITE12 TYPE STANDARD TABLE OF ESO_S4HDT_AGREEMENT_LINE_ITE12,
      WA_ESO_S4HDT_AGREEMENT_LINE_ITE12 TYPE ESO_S4HDT_AGREEMENT_LINE_ITE12,
      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: <ESO_S4HDT_AGREEMENT_LINE_ITE12> TYPE ESO_S4HDT_AGREEMENT_LINE_ITE12.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ESO_S4HDT_AGREEMENT_LINE_ITE12.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ESO_S4HDT_AGREEMENT_LINE_ITE12
  INTO TABLE IT_ESO_S4HDT_AGREEMENT_LINE_ITE12.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESO_S4HDT_AGREEMENT_LINE_ITE12
*  INTO TABLE @DATA(IT_ESO_S4HDT_AGREEMENT_LINE_ITE122).
*--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_ESO_S4HDT_AGREEMENT_LINE_ITE12 INDEX 1 INTO DATA(WA_ESO_S4HDT_AGREEMENT_LINE_ITE122).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ESO_S4HDT_AGREEMENT_LINE_ITE12 ASSIGNING <ESO_S4HDT_AGREEMENT_LINE_ITE12>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESO_S4HDT_AGREEMENT_LINE_ITE12>-CONTROLLER = 1.
<ESO_S4HDT_AGREEMENT_LINE_ITE12>-FIELDS = 1.
<ESO_S4HDT_AGREEMENT_LINE_ITE12>-CONTROLLER = 1.
<ESO_S4HDT_AGREEMENT_LINE_ITE12>-UNIQUE_DOC_NAME = 1.
<ESO_S4HDT_AGREEMENT_LINE_ITE12>-DISPLAY_NAME = 1.

ENDLOOP.

LOOP AT IT_ESO_S4HDT_AGREEMENT_LINE_ITE12 INTO WA_ESO_S4HDT_AGREEMENT_LINE_ITE12.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-SERVICE_OUTLINE, sy-vline,
  WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-OUTLINE_REF_NUMBER, sy-vline,
  WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-LINE_ITEM_NUMBER, sy-vline,
  WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-LINE_ITEM_NUMBER_COMP, sy-vline,
  WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-PART_NUMBER, sy-vline,
  WA_ESO_S4HDT_AGREEMENT_LINE_ITE12-INCLUDE_PART_NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESO_S4HDT_AGREEMENT_LINE_ITE12 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_ESO_S4HDT_AGREEMENT_LINE_ITE12 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_ESO_S4HDT_AGREEMENT_LINE_ITE12 INTO WA_ESO_S4HDT_AGREEMENT_LINE_ITE12.


*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_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR, 
CONTROLLER TYPE STRING,
FIELDS TYPE STRING,
CONTROLLER TYPE STRING,
UNIQUE_DOC_NAME TYPE STRING,
DISPLAY_NAME TYPE STRING,
SERVICE_OUTLINE TYPE STRING,
OUTLINE_REF_NUMBER TYPE STRING,
LINE_ITEM_NUMBER TYPE STRING,
LINE_ITEM_NUMBER_COMP TYPE STRING,
PART_NUMBER TYPE STRING,
INCLUDE_PART_NUMBER TYPE STRING,
LINE_ITEM_TYPE_ENUM TYPE STRING,
ACTION_CODE TYPE STRING,
DOCUMENT_DESCRIPTION TYPE STRING,
LONG_DESC TYPE STRING,
PRICE TYPE STRING,
MATERIAL TYPE STRING,
CONTROLLER TYPE STRING,
EXTERNAL_ID TYPE STRING,
BUSINESS_SYSTEM TYPE STRING,
SERVICE TYPE STRING,
CONTROLLER TYPE STRING,
EXTERNAL_ID TYPE STRING,
BUSINESS_SYSTEM TYPE STRING,
LOCATION TYPE STRING,
INTERNAL_CAT TYPE STRING,
CONTROLLER TYPE STRING,
EXTERNAL_ID TYPE STRING,
BUSINESS_SYSTEM TYPE STRING,
PLANT TYPE STRING,
CONTROLLER TYPE STRING,
EXTERNAL_ID TYPE STRING,
BUSINESS_SYSTEM TYPE STRING,
QUANTITY TYPE STRING,
UNIT_PRICE TYPE STRING,
EXTENDED_PRICE TYPE STRING,
REQ_TOTAL_QTY TYPE STRING,
MIN_ORDER_QTY TYPE STRING,
ACTUAL_LIMIT_PCT TYPE STRING,
LIMIT_QTY TYPE STRING,
ITEM_CAT TYPE STRING,
PRICE_UNIT TYPE STRING,
DELIVERY_TERMS TYPE STRING,
AWARDED_INCOTERM_LOCATION TYPE STRING,
VENDOR_PART_NUM TYPE STRING,
UP_BEGIN TYPE STRING,
UP_END TYPE STRING,
ACCT_ASGN_CAT TYPE STRING,
DELIVERY_LEAD TYPE STRING,
PSEUDO_MATERIAL TYPE STRING,
COLLECTIONS TYPE STRING,
CONTROLLER TYPE STRING,
SERVICE_LINES TYPE STRING,
CONTROLLER TYPE STRING,
OBJECT TYPE STRING,
NAME TYPE STRING,
AWARDED_CONDITION_SCALES TYPE STRING,
CONDITION_SCALES TYPE STRING,
QUANTITY_RANGES TYPE STRING,
REBATES TYPE STRING,
DOCUMENT_LINKS TYPE STRING,
CONTROLLER TYPE STRING,
OBJECT TYPE STRING,
NAME TYPE STRING,
CLASSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_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_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-FIELDS sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-UNIQUE_DOC_NAME sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-DISPLAY_NAME sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-SERVICE_OUTLINE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-OUTLINE_REF_NUMBER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LINE_ITEM_NUMBER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LINE_ITEM_NUMBER_COMP sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-PART_NUMBER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-INCLUDE_PART_NUMBER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LINE_ITEM_TYPE_ENUM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-ACTION_CODE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-DOCUMENT_DESCRIPTION sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LONG_DESC sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-PRICE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-MATERIAL sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-EXTERNAL_ID sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-BUSINESS_SYSTEM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-SERVICE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-EXTERNAL_ID sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-BUSINESS_SYSTEM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LOCATION sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-INTERNAL_CAT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-EXTERNAL_ID sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-BUSINESS_SYSTEM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-PLANT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-EXTERNAL_ID sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-BUSINESS_SYSTEM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-QUANTITY sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-UNIT_PRICE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-EXTENDED_PRICE sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-REQ_TOTAL_QTY sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-MIN_ORDER_QTY sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-ACTUAL_LIMIT_PCT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-LIMIT_QTY sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-ITEM_CAT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-PRICE_UNIT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-DELIVERY_TERMS sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-AWARDED_INCOTERM_LOCATION sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-VENDOR_PART_NUM sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-UP_BEGIN sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-UP_END sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-ACCT_ASGN_CAT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-DELIVERY_LEAD sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-PSEUDO_MATERIAL sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-COLLECTIONS sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-SERVICE_LINES sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-OBJECT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-NAME sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-AWARDED_CONDITION_SCALES sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONDITION_SCALES sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-QUANTITY_RANGES sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-REBATES sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-DOCUMENT_LINKS sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CONTROLLER sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-OBJECT sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-NAME sy-vline 
WA_ESO_S4HDT_AGREEMENT_LINE_ITE12_STR-CLASSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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