ABAP Select data from SAP table IQLTYNOTIFC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IQLTYNOTIFC
*  INTO TABLE @DATA(IT_IQLTYNOTIFC2).
*--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_IQLTYNOTIFC INDEX 1 INTO DATA(WA_IQLTYNOTIFC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IQLTYNOTIFC>-MANDT = 1.
<IQLTYNOTIFC>-QUALITYNOTIFICATION = 1.
<IQLTYNOTIFC>-NOTIFICATIONORIGIN = 1.
<IQLTYNOTIFC>-NOTIFICATIONTYPE = 1.
<IQLTYNOTIFC>-NOTIFICATIONPRIORITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IQLTYNOTIFC-ISBUSINESSPURPOSECOMPLETED, sy-vline,
  WA_IQLTYNOTIFC-CREATIONDATE, sy-vline,
  WA_IQLTYNOTIFC-NOTIFICATIONREPORTINGDATE, sy-vline,
  WA_IQLTYNOTIFC-NOTIFICATIONCOMPLETIONDATE, sy-vline,
  WA_IQLTYNOTIFC-NOTIFICATIONISCOMPLETED, sy-vline,
  WA_IQLTYNOTIFC-NOTIFICATIONISDELETED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IQLTYNOTIFC 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_IQLTYNOTIFC 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_IQLTYNOTIFC INTO WA_IQLTYNOTIFC.


*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 QUALITYNOTIFICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQLTYNOTIFC-QUALITYNOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQLTYNOTIFC-QUALITYNOTIFICATION.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field NOTIFICATIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IQLTYNOTIFC-NOTIFICATIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQLTYNOTIFC-NOTIFICATIONQUANTITYUNIT.
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_IQLTYNOTIFC_STR, 
MANDT TYPE STRING,
QUALITYNOTIFICATION TYPE STRING,
NOTIFICATIONORIGIN TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
NOTIFICATIONPRIORITY TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
CREATIONDATE TYPE STRING,
NOTIFICATIONREPORTINGDATE TYPE STRING,
NOTIFICATIONCOMPLETIONDATE TYPE STRING,
NOTIFICATIONISCOMPLETED TYPE STRING,
NOTIFICATIONISDELETED TYPE STRING,
NOTIFICATIONISEXTCAUSED TYPE STRING,
SUPPLIER TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
QUALITYNOTIFICATIONCOUNT TYPE STRING,
NOTIFICATIONEXTERNALQTY TYPE STRING,
NOTIFICATIONQUANTITYUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IQLTYNOTIFC_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_IQLTYNOTIFC_STR-MANDT sy-vline 
WA_IQLTYNOTIFC_STR-QUALITYNOTIFICATION sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONORIGIN sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONTYPE sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONPRIORITY sy-vline 
WA_IQLTYNOTIFC_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_IQLTYNOTIFC_STR-CREATIONDATE sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONREPORTINGDATE sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONCOMPLETIONDATE sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONISCOMPLETED sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONISDELETED sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONISEXTCAUSED sy-vline 
WA_IQLTYNOTIFC_STR-SUPPLIER sy-vline 
WA_IQLTYNOTIFC_STR-MATERIAL sy-vline 
WA_IQLTYNOTIFC_STR-PLANT sy-vline 
WA_IQLTYNOTIFC_STR-PURCHASINGDOCUMENT sy-vline 
WA_IQLTYNOTIFC_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_IQLTYNOTIFC_STR-PURCHASINGORGANIZATION sy-vline 
WA_IQLTYNOTIFC_STR-QUALITYNOTIFICATIONCOUNT sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONEXTERNALQTY sy-vline 
WA_IQLTYNOTIFC_STR-NOTIFICATIONQUANTITYUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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