ABAP Select data from SAP table IST_TELN_DYNP_SV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IST_TELN_DYNP_SV
*  INTO TABLE @DATA(IT_IST_TELN_DYNP_SV2).
*--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_IST_TELN_DYNP_SV INDEX 1 INTO DATA(WA_IST_TELN_DYNP_SV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IST_TELN_DYNP_SV>-CLIENT = 1.
<IST_TELN_DYNP_SV>-FRG_GUID = 1.
<IST_TELN_DYNP_SV>-VALID_FROM = 1.
<IST_TELN_DYNP_SV>-VALID_TO = 1.
<IST_TELN_DYNP_SV>-UPNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IST_TELN_DYNP_SV-HISTEX, sy-vline,
  WA_IST_TELN_DYNP_SV-ACODE, sy-vline,
  WA_IST_TELN_DYNP_SV-ACODE_DESC, sy-vline,
  WA_IST_TELN_DYNP_SV-ADDKEY, sy-vline,
  WA_IST_TELN_DYNP_SV-ADDKEY_DESC, sy-vline,
  WA_IST_TELN_DYNP_SV-BGUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IST_TELN_DYNP_SV 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_IST_TELN_DYNP_SV 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_IST_TELN_DYNP_SV INTO WA_IST_TELN_DYNP_SV.


*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 TSTPS, internal->external for field VALID_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_IST_TELN_DYNP_SV-VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IST_TELN_DYNP_SV-VALID_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALID_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_IST_TELN_DYNP_SV-VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IST_TELN_DYNP_SV-VALID_TO.
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_IST_TELN_DYNP_SV_STR, 
CLIENT TYPE STRING,
FRG_GUID TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
UPNAME TYPE STRING,
HISTEX TYPE STRING,
ACODE TYPE STRING,
ACODE_DESC TYPE STRING,
ADDKEY TYPE STRING,
ADDKEY_DESC TYPE STRING,
BGUID TYPE STRING,
BGUID_DESC TYPE STRING,
CANCELED TYPE STRING,
CANCELED_DESC TYPE STRING,
CANCELR TYPE STRING,
CANCELR_DESC TYPE STRING,
CCODE TYPE STRING,
CCODE_DESC TYPE STRING,
GROUP_ID TYPE STRING,
GROUP_ID_DESC TYPE STRING,
KISDN TYPE STRING,
KISDN_DESC TYPE STRING,
KLEAD TYPE STRING,
KLEAD_DESC TYPE STRING,
KPNUM TYPE STRING,
KPNUM_DESC TYPE STRING,
LOCKED TYPE STRING,
LOCKED_DESC TYPE STRING,
LOCK_R TYPE STRING,
LOCK_R_DESC TYPE STRING,
LOCK_T TYPE STRING,
LOCK_T_DESC TYPE STRING,
NOLOCK TYPE STRING,
NOLOCK_DESC TYPE STRING,
NOLOCK_R TYPE STRING,
NOLOCK_R_DESC TYPE STRING,
OGUID TYPE STRING,
OGUID_DESC TYPE STRING,
PGUID TYPE STRING,
PGUID_DESC TYPE STRING,
TCOMP TYPE STRING,
TCOMP_DESC TYPE STRING,
TELNUM TYPE STRING,
TELNUM_DESC TYPE STRING,
KGSM TYPE STRING,
KGSM_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IST_TELN_DYNP_SV_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_IST_TELN_DYNP_SV_STR-CLIENT sy-vline 
WA_IST_TELN_DYNP_SV_STR-FRG_GUID sy-vline 
WA_IST_TELN_DYNP_SV_STR-VALID_FROM sy-vline 
WA_IST_TELN_DYNP_SV_STR-VALID_TO sy-vline 
WA_IST_TELN_DYNP_SV_STR-UPNAME sy-vline 
WA_IST_TELN_DYNP_SV_STR-HISTEX sy-vline 
WA_IST_TELN_DYNP_SV_STR-ACODE sy-vline 
WA_IST_TELN_DYNP_SV_STR-ACODE_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-ADDKEY sy-vline 
WA_IST_TELN_DYNP_SV_STR-ADDKEY_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-BGUID sy-vline 
WA_IST_TELN_DYNP_SV_STR-BGUID_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-CANCELED sy-vline 
WA_IST_TELN_DYNP_SV_STR-CANCELED_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-CANCELR sy-vline 
WA_IST_TELN_DYNP_SV_STR-CANCELR_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-CCODE sy-vline 
WA_IST_TELN_DYNP_SV_STR-CCODE_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-GROUP_ID sy-vline 
WA_IST_TELN_DYNP_SV_STR-GROUP_ID_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-KISDN sy-vline 
WA_IST_TELN_DYNP_SV_STR-KISDN_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-KLEAD sy-vline 
WA_IST_TELN_DYNP_SV_STR-KLEAD_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-KPNUM sy-vline 
WA_IST_TELN_DYNP_SV_STR-KPNUM_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCKED sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCKED_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCK_R sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCK_R_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCK_T sy-vline 
WA_IST_TELN_DYNP_SV_STR-LOCK_T_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-NOLOCK sy-vline 
WA_IST_TELN_DYNP_SV_STR-NOLOCK_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-NOLOCK_R sy-vline 
WA_IST_TELN_DYNP_SV_STR-NOLOCK_R_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-OGUID sy-vline 
WA_IST_TELN_DYNP_SV_STR-OGUID_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-PGUID sy-vline 
WA_IST_TELN_DYNP_SV_STR-PGUID_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-TCOMP sy-vline 
WA_IST_TELN_DYNP_SV_STR-TCOMP_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-TELNUM sy-vline 
WA_IST_TELN_DYNP_SV_STR-TELNUM_DESC sy-vline 
WA_IST_TELN_DYNP_SV_STR-KGSM sy-vline 
WA_IST_TELN_DYNP_SV_STR-KGSM_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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