ABAP Select data from SAP table /SYCLOU/MD_ETYP_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SYCLOU/MD_ETYP_STR 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 /SYCLOU/MD_ETYP_STR. 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 /SYCLOU/MD_ETYP_STR 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_/SYCLOU/MD_ETYP_STR TYPE STANDARD TABLE OF /SYCLOU/MD_ETYP_STR,
      WA_/SYCLOU/MD_ETYP_STR TYPE /SYCLOU/MD_ETYP_STR,
      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: </SYCLOU/MD_ETYP_STR> TYPE /SYCLOU/MD_ETYP_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SYCLOU/MD_ETYP_STR
  INTO TABLE IT_/SYCLOU/MD_ETYP_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SYCLOU/MD_ETYP_STR
*  INTO TABLE @DATA(IT_/SYCLOU/MD_ETYP_STR2).
*--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_/SYCLOU/MD_ETYP_STR INDEX 1 INTO DATA(WA_/SYCLOU/MD_ETYP_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SYCLOU/MD_ETYP_STR ASSIGNING </SYCLOU/MD_ETYP_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SYCLOU/MD_ETYP_STR>-EXCH_ACTION = 1.
</SYCLOU/MD_ETYP_STR>-MANDT = 1.
</SYCLOU/MD_ETYP_STR>-MATNR = 1.
</SYCLOU/MD_ETYP_STR>-KOMBINAT = 1.
</SYCLOU/MD_ETYP_STR>-FUNKLAS = 1.

ENDLOOP.

LOOP AT IT_/SYCLOU/MD_ETYP_STR INTO WA_/SYCLOU/MD_ETYP_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SYCLOU/MD_ETYP_STR-BAUKLAS, sy-vline,
  WA_/SYCLOU/MD_ETYP_STR-BAUFORM, sy-vline,
  WA_/SYCLOU/MD_ETYP_STR-BAUTXT, sy-vline,
  WA_/SYCLOU/MD_ETYP_STR-PREISKLA, sy-vline,
  WA_/SYCLOU/MD_ETYP_STR-PTBNUM, sy-vline,
  WA_/SYCLOU/MD_ETYP_STR-DVGWNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SYCLOU/MD_ETYP_STR 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_/SYCLOU/MD_ETYP_STR 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_/SYCLOU/MD_ETYP_STR INTO WA_/SYCLOU/MD_ETYP_STR.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ABMEIH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-ABMEIH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-ABMEIH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LADZ_EIH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-LADZ_EIH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-LADZ_EIH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LADV_EIH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-LADV_EIH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-LADV_EIH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEIH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-GEWEIH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-GEWEIH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWLEER_EIH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-GEWLEER_EIH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-GEWLEER_EIH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RAT11, internal->external for field RATING
CALL FUNCTION 'CONVERSION_EXIT_RAT11_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-RATING
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-RATING.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PVOLT, internal->external for field P_VOLTAGE
CALL FUNCTION 'CONVERSION_EXIT_PVOLT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-P_VOLTAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-P_VOLTAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SVOLT, internal->external for field S_VOLTAGE
CALL FUNCTION 'CONVERSION_EXIT_SVOLT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_ETYP_STR-S_VOLTAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_ETYP_STR-S_VOLTAGE.
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_/SYCLOU/MD_ETYP_STR_STR, 
EXCH_ACTION TYPE STRING,
MANDT TYPE STRING,
MATNR TYPE STRING,
KOMBINAT TYPE STRING,
FUNKLAS TYPE STRING,
BAUKLAS TYPE STRING,
BAUFORM TYPE STRING,
BAUTXT TYPE STRING,
PREISKLA TYPE STRING,
PTBNUM TYPE STRING,
DVGWNUM TYPE STRING,
BGLKZ TYPE STRING,
VLZEITT TYPE STRING,
VLZEITTI TYPE STRING,
VLZEITN TYPE STRING,
VLKZBAU TYPE STRING,
ZWGRUPPE TYPE STRING,
EAGRUPPE TYPE STRING,
MESSART TYPE STRING,
UEBERVER TYPE STRING,
BGLNETZ TYPE STRING,
WGRUPPE TYPE STRING,
PRIMWNR1 TYPE STRING,
SEKWNR1 TYPE STRING,
PRIMWNR2 TYPE STRING,
SEKWNR2 TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
ZSPANNS TYPE STRING,
ZSTROMS TYPE STRING,
ZSPANNP TYPE STRING,
ZSTROMP TYPE STRING,
GRPMATNR TYPE STRING,
ORDER_CODE TYPE STRING,
SPARTE TYPE STRING,
NENNBEL TYPE STRING,
KENNZTYP TYPE STRING,
KENNZTYP_TXT TYPE STRING,
STELLPLATZ TYPE STRING,
HOEHEBEH TYPE STRING,
BREITEBEH TYPE STRING,
TIEFEBEH TYPE STRING,
ABMEIH TYPE STRING,
LADEZEIT TYPE STRING,
LADZ_EIH TYPE STRING,
LADEVOL TYPE STRING,
LADV_EIH TYPE STRING,
GEW_ZUL TYPE STRING,
GEWEIH TYPE STRING,
EIGENTUM TYPE STRING,
EIGENTUM_TXT TYPE STRING,
LADV_TXT TYPE STRING,
LADZ_TXT TYPE STRING,
GEW_TXT TYPE STRING,
ABM_TXT TYPE STRING,
PRODUCT_AREA TYPE STRING,
GEW_LEER TYPE STRING,
GEWLEER_EIH TYPE STRING,
GEWLEER_TXT TYPE STRING,
NOTIF_CODE TYPE STRING,
G_INFOSATZ TYPE STRING,
PPM_METER TYPE STRING,
LOSSDTGROUP TYPE STRING,
RATING TYPE STRING,
P_VOLTAGE TYPE STRING,
S_VOLTAGE TYPE STRING,
AMS_DGRP TYPE STRING,
AMCG_DGRP TYPE STRING,
SMART_METER TYPE STRING,
MSG_DGRP_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SYCLOU/MD_ETYP_STR_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_/SYCLOU/MD_ETYP_STR_STR-EXCH_ACTION sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-MANDT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-MATNR sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-KOMBINAT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-FUNKLAS sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BAUKLAS sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BAUFORM sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BAUTXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PREISKLA sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PTBNUM sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-DVGWNUM sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BGLKZ sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-VLZEITT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-VLZEITTI sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-VLZEITN sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-VLKZBAU sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ZWGRUPPE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-EAGRUPPE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-MESSART sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-UEBERVER sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BGLNETZ sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-WGRUPPE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PRIMWNR1 sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-SEKWNR1 sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PRIMWNR2 sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-SEKWNR2 sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-AENAM sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-AEDAT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ZSPANNS sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ZSTROMS sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ZSPANNP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ZSTROMP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GRPMATNR sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ORDER_CODE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-SPARTE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-NENNBEL sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-KENNZTYP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-KENNZTYP_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-STELLPLATZ sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-HOEHEBEH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-BREITEBEH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-TIEFEBEH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ABMEIH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADEZEIT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADZ_EIH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADEVOL sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADV_EIH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEW_ZUL sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEWEIH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-EIGENTUM sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-EIGENTUM_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADV_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LADZ_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEW_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-ABM_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PRODUCT_AREA sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEW_LEER sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEWLEER_EIH sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-GEWLEER_TXT sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-NOTIF_CODE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-G_INFOSATZ sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-PPM_METER sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-LOSSDTGROUP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-RATING sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-P_VOLTAGE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-S_VOLTAGE sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-AMS_DGRP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-AMCG_DGRP sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-SMART_METER sy-vline 
WA_/SYCLOU/MD_ETYP_STR_STR-MSG_DGRP_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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