ABAP Select data from SAP table /SYCLOU/MD_EANL_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_EANL_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_EANL_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_EANL_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_EANL_STR TYPE STANDARD TABLE OF /SYCLOU/MD_EANL_STR,
      WA_/SYCLOU/MD_EANL_STR TYPE /SYCLOU/MD_EANL_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_EANL_STR> TYPE /SYCLOU/MD_EANL_STR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SYCLOU/MD_EANL_STR
*  INTO TABLE @DATA(IT_/SYCLOU/MD_EANL_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_EANL_STR INDEX 1 INTO DATA(WA_/SYCLOU/MD_EANL_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SYCLOU/MD_EANL_STR>-MANDT = 1.
</SYCLOU/MD_EANL_STR>-ANLAGE = 1.
</SYCLOU/MD_EANL_STR>-BIS = 1.
</SYCLOU/MD_EANL_STR>-AB = 1.
</SYCLOU/MD_EANL_STR>-TARIFTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SYCLOU/MD_EANL_STR-ANLSTAT, sy-vline,
  WA_/SYCLOU/MD_EANL_STR-KONZBEFR, sy-vline,
  WA_/SYCLOU/MD_EANL_STR-PAUSCHAL, sy-vline,
  WA_/SYCLOU/MD_EANL_STR-BRANCHE, sy-vline,
  WA_/SYCLOU/MD_EANL_STR-AKLASSE, sy-vline,
  WA_/SYCLOU/MD_EANL_STR-ABLEINH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SYCLOU/MD_EANL_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_EANL_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_EANL_STR INTO WA_/SYCLOU/MD_EANL_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 ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EANL_STR-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EANL_STR-ANLAGE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field INFOREL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EANL_STR-INFOREL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EANL_STR-INFOREL.
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_EANL_STR_STR, 
MANDT TYPE STRING,
ANLAGE TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
TARIFTYP TYPE STRING,
ANLSTAT TYPE STRING,
KONZBEFR TYPE STRING,
PAUSCHAL TYPE STRING,
BRANCHE TYPE STRING,
AKLASSE TYPE STRING,
ABLEINH TYPE STRING,
TEMP_AREA TYPE STRING,
KONZVER TYPE STRING,
BILLING_PARTY TYPE STRING,
INVOICING_PARTY TYPE STRING,
PROV_LAST_RES TYPE STRING,
MAININST TYPE STRING,
INSTROLE TYPE STRING,
INSTGRTYPE TYPE STRING,
ISTYPE TYPE STRING,
HIGHLEVINST TYPE STRING,
DUMMY_UTILSINSTH_INCL_EEW_PS TYPE STRING,
SCHEMANR TYPE STRING,
HOCHART TYPE STRING,
VPERGRUP TYPE STRING,
PRUEFGR TYPE STRING,
ABSSTEU TYPE STRING,
SPARTE TYPE STRING,
VSTELLE TYPE STRING,
ABLSPERR TYPE STRING,
BAPERTYP TYPE STRING,
ANSCHREI TYPE STRING,
SPEBENE TYPE STRING,
DRCKSTUF TYPE STRING,
ANLART TYPE STRING,
BEZUG TYPE STRING,
ABLESARTST TYPE STRING,
NODISCONCT TYPE STRING,
SERVICE TYPE STRING,
DEREGSTAT TYPE STRING,
INFOREL TYPE STRING,
ETIMEZONE TYPE STRING,
OUCONT TYPE STRING,
HOLICALID TYPE STRING,
DUMMY_UTILSINST_INCL_EEW_PS TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
COLOGRP_INST TYPE STRING,
EANLDISCST TYPE STRING,
DIVISION_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SYCLOU/MD_EANL_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_EANL_STR_STR-MANDT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ANLAGE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BIS sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-AB sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-TARIFTYP sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ANLSTAT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-KONZBEFR sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-PAUSCHAL sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BRANCHE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-AKLASSE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ABLEINH sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-TEMP_AREA sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-KONZVER sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BILLING_PARTY sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-INVOICING_PARTY sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-PROV_LAST_RES sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-MAININST sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-INSTROLE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-INSTGRTYPE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ISTYPE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-HIGHLEVINST sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-DUMMY_UTILSINSTH_INCL_EEW_PS sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-SCHEMANR sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-HOCHART sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-VPERGRUP sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-PRUEFGR sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ABSSTEU sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-SPARTE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-VSTELLE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ABLSPERR sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BAPERTYP sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ANSCHREI sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-SPEBENE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-DRCKSTUF sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ANLART sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BEZUG sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ABLESARTST sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-NODISCONCT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-SERVICE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-DEREGSTAT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-INFOREL sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ETIMEZONE sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-OUCONT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-HOLICALID sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-DUMMY_UTILSINST_INCL_EEW_PS sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ERDAT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-ERNAM sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-AEDAT sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-AENAM sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-BEGRU sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-LOEVM sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-COLOGRP_INST sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-EANLDISCST sy-vline 
WA_/SYCLOU/MD_EANL_STR_STR-DIVISION_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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