ABAP Select data from SAP table SRM_USR01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SRM_USR01 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 SRM_USR01. 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 SRM_USR01 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_SRM_USR01 TYPE STANDARD TABLE OF SRM_USR01,
      WA_SRM_USR01 TYPE SRM_USR01,
      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: <SRM_USR01> TYPE SRM_USR01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SRM_USR01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SRM_USR01
  INTO TABLE IT_SRM_USR01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SRM_USR01
*  INTO TABLE @DATA(IT_SRM_USR012).
*--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_SRM_USR01 INDEX 1 INTO DATA(WA_SRM_USR012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SRM_USR01 ASSIGNING <SRM_USR01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SRM_USR01>-MANDT = 1.
<SRM_USR01>-USERID = 1.
<SRM_USR01>-USER_TYPE = 1.
<SRM_USR01>-CREATED = 1.
<SRM_USR01>-MODIFIED = 1.

ENDLOOP.

LOOP AT IT_SRM_USR01 INTO WA_SRM_USR01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SRM_USR01-ROLECHANGE, sy-vline,
  WA_SRM_USR01-DELETED, sy-vline,
  WA_SRM_USR01-PWDCHANGE, sy-vline,
  WA_SRM_USR01-LOCKED, sy-vline,
  WA_SRM_USR01-UNLOCKED, sy-vline,
  WA_SRM_USR01-ATTRIBUTE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SRM_USR01 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_SRM_USR01 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_SRM_USR01 INTO WA_SRM_USR01.


*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 USER_TYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SRM_USR01-USER_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SRM_USR01-USER_TYPE.
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_SRM_USR01_STR, 
MANDT TYPE STRING,
USERID TYPE STRING,
USER_TYPE TYPE STRING,
CREATED TYPE STRING,
MODIFIED TYPE STRING,
ROLECHANGE TYPE STRING,
DELETED TYPE STRING,
PWDCHANGE TYPE STRING,
LOCKED TYPE STRING,
UNLOCKED TYPE STRING,
ATTRIBUTE1 TYPE STRING,
ATTRIBUTE2 TYPE STRING,
ATTRIBUTE3 TYPE STRING,
ATTRIBUTE4 TYPE STRING,
ATTRIBUTE5 TYPE STRING,
RETURNCODE TYPE STRING,
SYSUBRC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SRM_USR01_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_SRM_USR01_STR-MANDT sy-vline 
WA_SRM_USR01_STR-USERID sy-vline 
WA_SRM_USR01_STR-USER_TYPE sy-vline 
WA_SRM_USR01_STR-CREATED sy-vline 
WA_SRM_USR01_STR-MODIFIED sy-vline 
WA_SRM_USR01_STR-ROLECHANGE sy-vline 
WA_SRM_USR01_STR-DELETED sy-vline 
WA_SRM_USR01_STR-PWDCHANGE sy-vline 
WA_SRM_USR01_STR-LOCKED sy-vline 
WA_SRM_USR01_STR-UNLOCKED sy-vline 
WA_SRM_USR01_STR-ATTRIBUTE1 sy-vline 
WA_SRM_USR01_STR-ATTRIBUTE2 sy-vline 
WA_SRM_USR01_STR-ATTRIBUTE3 sy-vline 
WA_SRM_USR01_STR-ATTRIBUTE4 sy-vline 
WA_SRM_USR01_STR-ATTRIBUTE5 sy-vline 
WA_SRM_USR01_STR-RETURNCODE sy-vline 
WA_SRM_USR01_STR-SYSUBRC sy-vline      INTO ld_text SEPARATED BY SPACE.

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