ABAP Select data from SAP table ISECURITYCLASS into internal table

Get Example source ABAP code based on a different SAP table
  

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISECURITYCLASS
*  INTO TABLE @DATA(IT_ISECURITYCLASS2).
*--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_ISECURITYCLASS INDEX 1 INTO DATA(WA_ISECURITYCLASS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISECURITYCLASS ASSIGNING <ISECURITYCLASS>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISECURITYCLASS>-MANDT = 1.
<ISECURITYCLASS>-SECURITYCLASS = 1.
<ISECURITYCLASS>-FINANCIALINSTRPRODUCTCATEGORY = 1.
<ISECURITYCLASS>-FINANCIALINSTRUMENTPRODUCTTYPE = 1.
<ISECURITYCLASS>-SECURITYCLASSNAME = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISECURITYCLASS-SECURITYCLASSDESCRIPTION, sy-vline,
WA_ISECURITYCLASS-ISSUER, sy-vline,
WA_ISECURITYCLASS-SECURITYCLASSISLISTED, sy-vline,
WA_ISECURITYCLASS-SECURITYCLASSQUOTATION, sy-vline,
WA_ISECURITYCLASS-ISSUECURRENCY, sy-vline,
WA_ISECURITYCLASS-SECURITYCLASSISPLEDGEABLE, sy-vline.
ENDLOOP. *Add any further fields from structure WA_ISECURITYCLASS 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_ISECURITYCLASS 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_ISECURITYCLASS INTO WA_ISECURITYCLASS. *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 SECURITYCLASS CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_ISECURITYCLASS-SECURITYCLASS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ISECURITYCLASS-SECURITYCLASS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ISSUER CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_ISECURITYCLASS-ISSUER IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_ISECURITYCLASS-ISSUER.
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_ISECURITYCLASS_STR,
MANDT TYPE STRING,
SECURITYCLASS TYPE STRING,
FINANCIALINSTRPRODUCTCATEGORY TYPE STRING,
FINANCIALINSTRUMENTPRODUCTTYPE TYPE STRING,
SECURITYCLASSNAME TYPE STRING,
SECURITYCLASSDESCRIPTION TYPE STRING,
ISSUER TYPE STRING,
SECURITYCLASSISLISTED TYPE STRING,
SECURITYCLASSQUOTATION TYPE STRING,
ISSUECURRENCY TYPE STRING,
SECURITYCLASSISPLEDGEABLE TYPE STRING,
SCRTYCLASSGENCLASSIFICATION TYPE STRING,
SECURITYCLASSTRANSFERTYPE TYPE STRING,END OF T_EKKO_STR. DATA: WA_ISECURITYCLASS_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_ISECURITYCLASS_STR-MANDT sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASS sy-vline
WA_ISECURITYCLASS_STR-FINANCIALINSTRPRODUCTCATEGORY sy-vline
WA_ISECURITYCLASS_STR-FINANCIALINSTRUMENTPRODUCTTYPE sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSNAME sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSDESCRIPTION sy-vline
WA_ISECURITYCLASS_STR-ISSUER sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSISLISTED sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSQUOTATION sy-vline
WA_ISECURITYCLASS_STR-ISSUECURRENCY sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSISPLEDGEABLE sy-vline
WA_ISECURITYCLASS_STR-SCRTYCLASSGENCLASSIFICATION sy-vline
WA_ISECURITYCLASS_STR-SECURITYCLASSTRANSFERTYPE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.