ABAP Select data from SAP table IEQS_NOTIF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEQS_NOTIF
*  INTO TABLE @DATA(IT_IEQS_NOTIF2).
*--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_IEQS_NOTIF INDEX 1 INTO DATA(WA_IEQS_NOTIF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEQS_NOTIF>-EQUNR = 1.
<IEQS_NOTIF>-EVENT_DATE = 1.
<IEQS_NOTIF>-EVENT_TIME = 1.
<IEQS_NOTIF>-EVENT_TYPE = 1.
<IEQS_NOTIF>-HEQUI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEQS_NOTIF-TPLNR, sy-vline,
  WA_IEQS_NOTIF-NOTIF_CREATE, sy-vline,
  WA_IEQS_NOTIF-NOTIF_REFER, sy-vline,
  WA_IEQS_NOTIF-NOTIF_NOT_REQ, sy-vline,
  WA_IEQS_NOTIF-NOTIF_DELETE, sy-vline,
  WA_IEQS_NOTIF-NOTIF_UNDEFINED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEQS_NOTIF 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_IEQS_NOTIF 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_IEQS_NOTIF INTO WA_IEQS_NOTIF.


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

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

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_IEQS_NOTIF-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEQS_NOTIF-TPLNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field QMNUM_INSTALL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEQS_NOTIF-QMNUM_INSTALL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEQS_NOTIF-QMNUM_INSTALL.
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_IEQS_NOTIF_STR, 
EQUNR TYPE STRING,
EVENT_DATE TYPE STRING,
EVENT_TIME TYPE STRING,
EVENT_TYPE TYPE STRING,
HEQUI TYPE STRING,
TPLNR TYPE STRING,
NOTIF_CREATE TYPE STRING,
NOTIF_REFER TYPE STRING,
NOTIF_NOT_REQ TYPE STRING,
NOTIF_DELETE TYPE STRING,
NOTIF_UNDEFINED TYPE STRING,
PROCESSED TYPE STRING,
QMNUM_REMOVAL TYPE STRING,
QMNUM_INSTALL TYPE STRING,
CCM_PLRMV TYPE STRING,
CCM_UPRMV TYPE STRING,
CCM_USCND TYPE STRING,
CCM_SVCND TYPE STRING,
CCM_UKCND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEQS_NOTIF_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_IEQS_NOTIF_STR-EQUNR sy-vline 
WA_IEQS_NOTIF_STR-EVENT_DATE sy-vline 
WA_IEQS_NOTIF_STR-EVENT_TIME sy-vline 
WA_IEQS_NOTIF_STR-EVENT_TYPE sy-vline 
WA_IEQS_NOTIF_STR-HEQUI sy-vline 
WA_IEQS_NOTIF_STR-TPLNR sy-vline 
WA_IEQS_NOTIF_STR-NOTIF_CREATE sy-vline 
WA_IEQS_NOTIF_STR-NOTIF_REFER sy-vline 
WA_IEQS_NOTIF_STR-NOTIF_NOT_REQ sy-vline 
WA_IEQS_NOTIF_STR-NOTIF_DELETE sy-vline 
WA_IEQS_NOTIF_STR-NOTIF_UNDEFINED sy-vline 
WA_IEQS_NOTIF_STR-PROCESSED sy-vline 
WA_IEQS_NOTIF_STR-QMNUM_REMOVAL sy-vline 
WA_IEQS_NOTIF_STR-QMNUM_INSTALL sy-vline 
WA_IEQS_NOTIF_STR-CCM_PLRMV sy-vline 
WA_IEQS_NOTIF_STR-CCM_UPRMV sy-vline 
WA_IEQS_NOTIF_STR-CCM_USCND sy-vline 
WA_IEQS_NOTIF_STR-CCM_SVCND sy-vline 
WA_IEQS_NOTIF_STR-CCM_UKCND sy-vline      INTO ld_text SEPARATED BY SPACE.

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