ABAP Select data from SAP table TEX_NOTIFICATION_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TEX_NOTIFICATION_ITEM
*  INTO TABLE @DATA(IT_TEX_NOTIFICATION_ITEM2).
*--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_TEX_NOTIFICATION_ITEM INDEX 1 INTO DATA(WA_TEX_NOTIFICATION_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TEX_NOTIFICATION_ITEM>-EXTERNAL_ITEM_NUMBER = 1.
<TEX_NOTIFICATION_ITEM>-COMMODITY = 1.
<TEX_NOTIFICATION_ITEM>-COMMODITY_ID = 1.
<TEX_NOTIFICATION_ITEM>-QUANTITY = 1.
<TEX_NOTIFICATION_ITEM>-UNIT_OF_MEASURE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TEX_NOTIFICATION_ITEM-SIGN, sy-vline,
  WA_TEX_NOTIFICATION_ITEM-TRANSACTION_AMT, sy-vline,
  WA_TEX_NOTIFICATION_ITEM-TRANSACTION_CURR, sy-vline,
  WA_TEX_NOTIFICATION_ITEM-TARGET_CURR, sy-vline,
  WA_TEX_NOTIFICATION_ITEM-EXPOSURE_DATE, sy-vline,
  WA_TEX_NOTIFICATION_ITEM-PAYMENT_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TEX_NOTIFICATION_ITEM 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_TEX_NOTIFICATION_ITEM 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_TEX_NOTIFICATION_ITEM INTO WA_TEX_NOTIFICATION_ITEM.


*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 CUNIT, internal->external for field UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TEX_NOTIFICATION_ITEM-UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TEX_NOTIFICATION_ITEM-UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field PLANNING_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_TEX_NOTIFICATION_ITEM-PLANNING_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TEX_NOTIFICATION_ITEM-PLANNING_YEAR.
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_TEX_NOTIFICATION_ITEM_STR, 
EXTERNAL_ITEM_NUMBER TYPE STRING,
COMMODITY TYPE STRING,
COMMODITY_ID TYPE STRING,
QUANTITY TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,
SIGN TYPE STRING,
TRANSACTION_AMT TYPE STRING,
TRANSACTION_CURR TYPE STRING,
TARGET_CURR TYPE STRING,
EXPOSURE_DATE TYPE STRING,
PAYMENT_DATE TYPE STRING,
DELIVERY_DATE TYPE STRING,
PROFIT_CENTER TYPE STRING,
MP_EXPOSURE_RULE TYPE STRING,
CONDITION_TYPE TYPE STRING,
STORAGE_LOCATION TYPE STRING,
PLANT TYPE STRING,
MATNR TYPE STRING,
BATCHNR TYPE STRING,
FIX_VARIABLE_INDICATOR TYPE STRING,
PLANNING_PERIOD TYPE STRING,
PLANNING_YEAR TYPE STRING,
PRC_FIXATION_STATUS TYPE STRING,
EXER_DATE_EARLIEST TYPE STRING,
EXER_DATE_LATEST TYPE STRING,
ATTRIBUTE_LONG_1 TYPE STRING,
ATTRIBUTE_LONG_2 TYPE STRING,
ATTRIBUTE_LONG_3 TYPE STRING,
ATTRIBUTE_LONG_4 TYPE STRING,
ATTRIBUTE_MEDIUM_1 TYPE STRING,
ATTRIBUTE_MEDIUM_2 TYPE STRING,
ATTRIBUTE_SHORT TYPE STRING,
ATTRIBUTE_DATE TYPE STRING,
CHANGE_MODE TYPE STRING,
PRICING_COMPONENT_GRP TYPE STRING,
VARIABLE_PRICE_ITEMS TYPE STRING,
VARIABLE_PRICE_ITEMS_DCS TYPE STRING,
VARIABLE_PRICE_ITEMS_BAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TEX_NOTIFICATION_ITEM_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_TEX_NOTIFICATION_ITEM_STR-EXTERNAL_ITEM_NUMBER sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-COMMODITY sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-COMMODITY_ID sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-QUANTITY sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-UNIT_OF_MEASURE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-SIGN sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-TRANSACTION_AMT sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-TRANSACTION_CURR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-TARGET_CURR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-EXPOSURE_DATE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PAYMENT_DATE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-DELIVERY_DATE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PROFIT_CENTER sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-MP_EXPOSURE_RULE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-CONDITION_TYPE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-STORAGE_LOCATION sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PLANT sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-MATNR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-BATCHNR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-FIX_VARIABLE_INDICATOR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PLANNING_PERIOD sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PLANNING_YEAR sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PRC_FIXATION_STATUS sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-EXER_DATE_EARLIEST sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-EXER_DATE_LATEST sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_LONG_1 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_LONG_2 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_LONG_3 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_LONG_4 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_MEDIUM_1 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_MEDIUM_2 sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_SHORT sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-ATTRIBUTE_DATE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-CHANGE_MODE sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-PRICING_COMPONENT_GRP sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-VARIABLE_PRICE_ITEMS sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-VARIABLE_PRICE_ITEMS_DCS sy-vline 
WA_TEX_NOTIFICATION_ITEM_STR-VARIABLE_PRICE_ITEMS_BAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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