ABAP Select data from SAP table EWMINSPDETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWMINSPDETAIL
*  INTO TABLE @DATA(IT_EWMINSPDETAIL2).
*--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_EWMINSPDETAIL INDEX 1 INTO DATA(WA_EWMINSPDETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EWMINSPDETAIL>-MANDT = 1.
<EWMINSPDETAIL>-CAMPAIGN = 1.
<EWMINSPDETAIL>-OBJNR = 1.
<EWMINSPDETAIL>-EQUNR = 1.
<EWMINSPDETAIL>-KZ_TECHINST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EWMINSPDETAIL-VSTELLE, sy-vline,
  WA_EWMINSPDETAIL-SPARTE, sy-vline,
  WA_EWMINSPDETAIL-REGIOGROUP, sy-vline,
  WA_EWMINSPDETAIL-ABLEINHEIT, sy-vline,
  WA_EWMINSPDETAIL-ABLEIN_EINDEUTIG, sy-vline,
  WA_EWMINSPDETAIL-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EWMINSPDETAIL 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_EWMINSPDETAIL 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_EWMINSPDETAIL INTO WA_EWMINSPDETAIL.


*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_EWMINSPDETAIL-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWMINSPDETAIL-EQUNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MELDUNG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EWMINSPDETAIL-MELDUNG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWMINSPDETAIL-MELDUNG.
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_EWMINSPDETAIL_STR, 
MANDT TYPE STRING,
CAMPAIGN TYPE STRING,
OBJNR TYPE STRING,
EQUNR TYPE STRING,
KZ_TECHINST TYPE STRING,
VSTELLE TYPE STRING,
SPARTE TYPE STRING,
REGIOGROUP TYPE STRING,
ABLEINHEIT TYPE STRING,
ABLEIN_EINDEUTIG TYPE STRING,
COUNTRY TYPE STRING,
CITY_CODE TYPE STRING,
STREETCODE TYPE STRING,
HOUSENUM TYPE STRING,
VBSART TYPE STRING,
EQART TYPE STRING,
LAST_INSP_DATE TYPE STRING,
NEXT_INSP_DATE TYPE STRING,
PERIOD_M TYPE STRING,
PERIOD_Y TYPE STRING,
DEVLOC TYPE STRING,
HAUS TYPE STRING,
ORDER_CODE TYPE STRING,
NOTIF_CODE TYPE STRING,
AUFTRAG TYPE STRING,
MELDUNG TYPE STRING,
SERVICE_DATE TYPE STRING,
COMPLETION_DATE TYPE STRING,
DUMMY1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWMINSPDETAIL_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_EWMINSPDETAIL_STR-MANDT sy-vline 
WA_EWMINSPDETAIL_STR-CAMPAIGN sy-vline 
WA_EWMINSPDETAIL_STR-OBJNR sy-vline 
WA_EWMINSPDETAIL_STR-EQUNR sy-vline 
WA_EWMINSPDETAIL_STR-KZ_TECHINST sy-vline 
WA_EWMINSPDETAIL_STR-VSTELLE sy-vline 
WA_EWMINSPDETAIL_STR-SPARTE sy-vline 
WA_EWMINSPDETAIL_STR-REGIOGROUP sy-vline 
WA_EWMINSPDETAIL_STR-ABLEINHEIT sy-vline 
WA_EWMINSPDETAIL_STR-ABLEIN_EINDEUTIG sy-vline 
WA_EWMINSPDETAIL_STR-COUNTRY sy-vline 
WA_EWMINSPDETAIL_STR-CITY_CODE sy-vline 
WA_EWMINSPDETAIL_STR-STREETCODE sy-vline 
WA_EWMINSPDETAIL_STR-HOUSENUM sy-vline 
WA_EWMINSPDETAIL_STR-VBSART sy-vline 
WA_EWMINSPDETAIL_STR-EQART sy-vline 
WA_EWMINSPDETAIL_STR-LAST_INSP_DATE sy-vline 
WA_EWMINSPDETAIL_STR-NEXT_INSP_DATE sy-vline 
WA_EWMINSPDETAIL_STR-PERIOD_M sy-vline 
WA_EWMINSPDETAIL_STR-PERIOD_Y sy-vline 
WA_EWMINSPDETAIL_STR-DEVLOC sy-vline 
WA_EWMINSPDETAIL_STR-HAUS sy-vline 
WA_EWMINSPDETAIL_STR-ORDER_CODE sy-vline 
WA_EWMINSPDETAIL_STR-NOTIF_CODE sy-vline 
WA_EWMINSPDETAIL_STR-AUFTRAG sy-vline 
WA_EWMINSPDETAIL_STR-MELDUNG sy-vline 
WA_EWMINSPDETAIL_STR-SERVICE_DATE sy-vline 
WA_EWMINSPDETAIL_STR-COMPLETION_DATE sy-vline 
WA_EWMINSPDETAIL_STR-DUMMY1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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