ABAP Select data from SAP table /MISU/MD_EHAU_ENTITY_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MISU/MD_EHAU_ENTITY_STR
*  INTO TABLE @DATA(IT_/MISU/MD_EHAU_ENTITY_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_/MISU/MD_EHAU_ENTITY_STR INDEX 1 INTO DATA(WA_/MISU/MD_EHAU_ENTITY_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MISU/MD_EHAU_ENTITY_STR>-MANDT = 1.
</MISU/MD_EHAU_ENTITY_STR>-HAUS = 1.
</MISU/MD_EHAU_ENTITY_STR>-SPRAS = 1.
</MISU/MD_EHAU_ENTITY_STR>-PLTXT = 1.
</MISU/MD_EHAU_ENTITY_STR>-KZLTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MISU/MD_EHAU_ENTITY_STR-TPLKZ, sy-vline,
  WA_/MISU/MD_EHAU_ENTITY_STR-FLTYP, sy-vline,
  WA_/MISU/MD_EHAU_ENTITY_STR-TPLMA, sy-vline,
  WA_/MISU/MD_EHAU_ENTITY_STR-DATAB, sy-vline,
  WA_/MISU/MD_EHAU_ENTITY_STR-BEGRU, sy-vline,
  WA_/MISU/MD_EHAU_ENTITY_STR-EINZLI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MISU/MD_EHAU_ENTITY_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_/MISU/MD_EHAU_ENTITY_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_/MISU/MD_EHAU_ENTITY_STR INTO WA_/MISU/MD_EHAU_ENTITY_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 TPLNR, internal->external for field HAUS
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_/MISU/MD_EHAU_ENTITY_STR-HAUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MISU/MD_EHAU_ENTITY_STR-HAUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/MISU/MD_EHAU_ENTITY_STR-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MISU/MD_EHAU_ENTITY_STR-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field ADDRNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MISU/MD_EHAU_ENTITY_STR-ADDRNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MISU/MD_EHAU_ENTITY_STR-ADDRNUMBER.
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_/MISU/MD_EHAU_ENTITY_STR_STR, 
MANDT TYPE STRING,
HAUS TYPE STRING,
SPRAS TYPE STRING,
PLTXT TYPE STRING,
KZLTX TYPE STRING,
TPLKZ TYPE STRING,
FLTYP TYPE STRING,
TPLMA TYPE STRING,
DATAB TYPE STRING,
BEGRU TYPE STRING,
EINZLI TYPE STRING,
IWERK TYPE STRING,
IWERKI TYPE STRING,
POSNR TYPE STRING,
ISTYP TYPE STRING,
PREMS TYPE STRING,
EQFNR TYPE STRING,
SWERK TYPE STRING,
SWERKI TYPE STRING,
BUKRS TYPE STRING,
BUKRSI TYPE STRING,
ADDRNUMBER TYPE STRING,
ADRNRI TYPE STRING,
LVORM TYPE STRING,
ILOAN TYPE STRING,
IEQUI TYPE STRING,
IEQUII TYPE STRING,
COUNC TYPE STRING,
REGIOGROUP TYPE STRING,
REGPOLIT TYPE STRING,
REGIOGROUP_PERM TYPE STRING,
OBJNR TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
CRM_GUID TYPE STRING,
STRNO TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MISU/MD_EHAU_ENTITY_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_/MISU/MD_EHAU_ENTITY_STR_STR-MANDT sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-HAUS sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-SPRAS sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-PLTXT sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-KZLTX sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-TPLKZ sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-FLTYP sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-TPLMA sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-DATAB sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-BEGRU sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-EINZLI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-IWERK sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-IWERKI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-POSNR sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ISTYP sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-PREMS sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-EQFNR sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-SWERK sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-SWERKI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-BUKRS sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-BUKRSI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ADDRNUMBER sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ADRNRI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-LVORM sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ILOAN sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-IEQUI sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-IEQUII sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-COUNC sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-REGIOGROUP sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-REGPOLIT sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-REGIOGROUP_PERM sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-OBJNR sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ERDAT sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-ERNAM sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-AEDAT sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-AENAM sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-CRM_GUID sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-STRNO sy-vline 
WA_/MISU/MD_EHAU_ENTITY_STR_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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