ABAP Select data from SAP table EEWM_ISU_IL_SRV_NOTIF_CREA_M18 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EEWM_ISU_IL_SRV_NOTIF_CREA_M18 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 EEWM_ISU_IL_SRV_NOTIF_CREA_M18. 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 EEWM_ISU_IL_SRV_NOTIF_CREA_M18 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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 TYPE STANDARD TABLE OF EEWM_ISU_IL_SRV_NOTIF_CREA_M18,
      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 TYPE EEWM_ISU_IL_SRV_NOTIF_CREA_M18,
      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: <EEWM_ISU_IL_SRV_NOTIF_CREA_M18> TYPE EEWM_ISU_IL_SRV_NOTIF_CREA_M18.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EEWM_ISU_IL_SRV_NOTIF_CREA_M18.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EEWM_ISU_IL_SRV_NOTIF_CREA_M18
  INTO TABLE IT_EEWM_ISU_IL_SRV_NOTIF_CREA_M18.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EEWM_ISU_IL_SRV_NOTIF_CREA_M18
*  INTO TABLE @DATA(IT_EEWM_ISU_IL_SRV_NOTIF_CREA_M182).
*--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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 INDEX 1 INTO DATA(WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M182).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 ASSIGNING <EEWM_ISU_IL_SRV_NOTIF_CREA_M18>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EEWM_ISU_IL_SRV_NOTIF_CREA_M18>-NOTIF_CODE = 1.
<EEWM_ISU_IL_SRV_NOTIF_CREA_M18>-PLANPLANT = 1.
<EEWM_ISU_IL_SRV_NOTIF_CREA_M18>-REGIOGROUP = 1.
<EEWM_ISU_IL_SRV_NOTIF_CREA_M18>-SHORT_TEXT = 1.
<EEWM_ISU_IL_SRV_NOTIF_CREA_M18>-LONG_TEXT = 1.

ENDLOOP.

LOOP AT IT_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 INTO WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-LANGU, sy-vline,
  WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-PRIORITY, sy-vline,
  WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-FUNCT_LOC, sy-vline,
  WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-EQUIPMENT, sy-vline,
  WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-SERIALNO, sy-vline,
  WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18 INTO WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field FUNCT_LOC
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-FUNCT_LOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-FUNCT_LOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-EQUIPMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERIALNO
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-SERIALNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-SERIALNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18-CUSTOMER.
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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR, 
NOTIF_CODE TYPE STRING,
PLANPLANT TYPE STRING,
REGIOGROUP TYPE STRING,
SHORT_TEXT TYPE STRING,
LONG_TEXT TYPE STRING,
LANGU TYPE STRING,
PRIORITY TYPE STRING,
FUNCT_LOC TYPE STRING,
EQUIPMENT TYPE STRING,
SERIALNO TYPE STRING,
MATERIAL TYPE STRING,
CUSTOMER TYPE STRING,
DAMAGE_CODEGRP TYPE STRING,
DAMAGE_CODE TYPE STRING,
CAUSE_CODEGRP TYPE STRING,
CAUSE_CODE TYPE STRING,
STARTDATE TYPE STRING,
DESSTTIME TYPE STRING,
ENDDATE TYPE STRING,
DESENDTM TYPE STRING,
PLANGROUP TYPE STRING,
STRMLFNDATE TYPE STRING,
STRMLFNTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_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_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-NOTIF_CODE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-PLANPLANT sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-REGIOGROUP sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-SHORT_TEXT sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-LONG_TEXT sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-LANGU sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-PRIORITY sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-FUNCT_LOC sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-EQUIPMENT sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-SERIALNO sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-MATERIAL sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-CUSTOMER sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-DAMAGE_CODEGRP sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-DAMAGE_CODE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-CAUSE_CODEGRP sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-CAUSE_CODE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-STARTDATE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-DESSTTIME sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-ENDDATE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-DESENDTM sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-PLANGROUP sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-STRMLFNDATE sy-vline 
WA_EEWM_ISU_IL_SRV_NOTIF_CREA_M18_STR-STRMLFNTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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