ABAP Select data from SAP table ESH_L_QLTYNOTIF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_L_QLTYNOTIF
*  INTO TABLE @DATA(IT_ESH_L_QLTYNOTIF2).
*--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_ESH_L_QLTYNOTIF INDEX 1 INTO DATA(WA_ESH_L_QLTYNOTIF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_L_QLTYNOTIF>-MANDT = 1.
<ESH_L_QLTYNOTIF>-QUALITYNOTIFICATION = 1.
<ESH_L_QLTYNOTIF>-CREATIONDATE = 1.
<ESH_L_QLTYNOTIF>-ISBUSINESSPURPOSECOMPLETED = 1.
<ESH_L_QLTYNOTIF>-ISDELETED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_L_QLTYNOTIF-LASTCHANGEDDATE, sy-vline,
  WA_ESH_L_QLTYNOTIF-MATERIAL, sy-vline,
  WA_ESH_L_QLTYNOTIF-MATERIALGROUP, sy-vline,
  WA_ESH_L_QLTYNOTIF-MATERIALGROUPNAME, sy-vline,
  WA_ESH_L_QLTYNOTIF-NOTIFICATIONCODEGROUP, sy-vline,
  WA_ESH_L_QLTYNOTIF-NOTIFICATIONCODEGROUPTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_L_QLTYNOTIF 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_ESH_L_QLTYNOTIF 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_ESH_L_QLTYNOTIF INTO WA_ESH_L_QLTYNOTIF.


*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_ESH_L_QLTYNOTIF-QUALITYNOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_QLTYNOTIF-QUALITYNOTIFICATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_QLTYNOTIF-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_QLTYNOTIF-SUPPLIER.
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_ESH_L_QLTYNOTIF_STR, 
MANDT TYPE STRING,
QUALITYNOTIFICATION TYPE STRING,
CREATIONDATE TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
ISDELETED TYPE STRING,
LASTCHANGEDDATE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
NOTIFICATIONCODEGROUP TYPE STRING,
NOTIFICATIONCODEGROUPTEXT TYPE STRING,
NOTIFICATIONCODEID TYPE STRING,
NOTIFICATIONCODETEXT TYPE STRING,
NOTIFICATIONCOMPLETIONDATE TYPE STRING,
NOTIFICATIONORIGIN TYPE STRING,
NOTIFICATIONPRIORITY TYPE STRING,
NOTIFICATIONPRIORITYTEXT TYPE STRING,
NOTIFICATIONREPORTINGDATE TYPE STRING,
NOTIFICATIONTEXT TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
NOTIFICATIONTYPENAME TYPE STRING,
NOTIFPROCESSINGPHASE TYPE STRING,
NOTIFPROCESSINGPHASEDESC TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PRODUCTHIERARCHY TYPE STRING,
PRODUCTHIERARCHYTEXT TYPE STRING,
PRODUCTNAME TYPE STRING,
QLTYNOTIFICATIONLONGTEXT TYPE STRING,
SUPPLIER TYPE STRING,
USERCHANGED TYPE STRING,
USERCREATED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_L_QLTYNOTIF_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_ESH_L_QLTYNOTIF_STR-MANDT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-QUALITYNOTIFICATION sy-vline 
WA_ESH_L_QLTYNOTIF_STR-CREATIONDATE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_ESH_L_QLTYNOTIF_STR-ISDELETED sy-vline 
WA_ESH_L_QLTYNOTIF_STR-LASTCHANGEDDATE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-MATERIAL sy-vline 
WA_ESH_L_QLTYNOTIF_STR-MATERIALGROUP sy-vline 
WA_ESH_L_QLTYNOTIF_STR-MATERIALGROUPNAME sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONCODEGROUP sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONCODEGROUPTEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONCODEID sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONCODETEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONCOMPLETIONDATE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONORIGIN sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONPRIORITY sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONPRIORITYTEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONREPORTINGDATE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONTEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONTYPE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFICATIONTYPENAME sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFPROCESSINGPHASE sy-vline 
WA_ESH_L_QLTYNOTIF_STR-NOTIFPROCESSINGPHASEDESC sy-vline 
WA_ESH_L_QLTYNOTIF_STR-PLANT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-PLANTNAME sy-vline 
WA_ESH_L_QLTYNOTIF_STR-PRODUCTHIERARCHY sy-vline 
WA_ESH_L_QLTYNOTIF_STR-PRODUCTHIERARCHYTEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-PRODUCTNAME sy-vline 
WA_ESH_L_QLTYNOTIF_STR-QLTYNOTIFICATIONLONGTEXT sy-vline 
WA_ESH_L_QLTYNOTIF_STR-SUPPLIER sy-vline 
WA_ESH_L_QLTYNOTIF_STR-USERCHANGED sy-vline 
WA_ESH_L_QLTYNOTIF_STR-USERCREATED sy-vline      INTO ld_text SEPARATED BY SPACE.

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