ABAP Select data from SAP table ISU_DM_MR_STREET_S_CONN_OBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_DM_MR_STREET_S_CONN_OBJ
*  INTO TABLE @DATA(IT_ISU_DM_MR_STREET_S_CONN_OBJ2).
*--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_ISU_DM_MR_STREET_S_CONN_OBJ INDEX 1 INTO DATA(WA_ISU_DM_MR_STREET_S_CONN_OBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_DM_MR_STREET_S_CONN_OBJ>-WA_CONN_OBJ = 1.
<ISU_DM_MR_STREET_S_CONN_OBJ>-MANDT = 1.
<ISU_DM_MR_STREET_S_CONN_OBJ>-HAUS = 1.
<ISU_DM_MR_STREET_S_CONN_OBJ>-SPRAS = 1.
<ISU_DM_MR_STREET_S_CONN_OBJ>-PLTXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_DM_MR_STREET_S_CONN_OBJ-KZLTX, sy-vline,
  WA_ISU_DM_MR_STREET_S_CONN_OBJ-TPLKZ, sy-vline,
  WA_ISU_DM_MR_STREET_S_CONN_OBJ-FLTYP, sy-vline,
  WA_ISU_DM_MR_STREET_S_CONN_OBJ-TPLMA, sy-vline,
  WA_ISU_DM_MR_STREET_S_CONN_OBJ-DATAB, sy-vline,
  WA_ISU_DM_MR_STREET_S_CONN_OBJ-BEGRU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_DM_MR_STREET_S_CONN_OBJ 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_ISU_DM_MR_STREET_S_CONN_OBJ 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_ISU_DM_MR_STREET_S_CONN_OBJ INTO WA_ISU_DM_MR_STREET_S_CONN_OBJ.


*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_ISU_DM_MR_STREET_S_CONN_OBJ-HAUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_DM_MR_STREET_S_CONN_OBJ-HAUS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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