ABAP Select data from SAP table ISUEXT_DYNP_AL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISUEXT_DYNP_AL
*  INTO TABLE @DATA(IT_ISUEXT_DYNP_AL2).
*--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_ISUEXT_DYNP_AL INDEX 1 INTO DATA(WA_ISUEXT_DYNP_AL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISUEXT_DYNP_AL>-CLIENT = 1.
<ISUEXT_DYNP_AL>-PRODUCT_GUID = 1.
<ISUEXT_DYNP_AL>-KEY_FIELD1 = 1.
<ISUEXT_DYNP_AL>-VALID_FROM = 1.
<ISUEXT_DYNP_AL>-VALID_TO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISUEXT_DYNP_AL-UPNAME, sy-vline,
  WA_ISUEXT_DYNP_AL-HISTEX, sy-vline,
  WA_ISUEXT_DYNP_AL-LOGSYS, sy-vline,
  WA_ISUEXT_DYNP_AL-FIELDNAME, sy-vline,
  WA_ISUEXT_DYNP_AL-ATTRIBUTE_SVU, sy-vline,
  WA_ISUEXT_DYNP_AL-ISUCONTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISUEXT_DYNP_AL 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_ISUEXT_DYNP_AL 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_ISUEXT_DYNP_AL INTO WA_ISUEXT_DYNP_AL.


*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_ISUEXT_DYNP_AL-VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUEXT_DYNP_AL-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_ISUEXT_DYNP_AL-VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUEXT_DYNP_AL-VALID_TO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISUEXT_DYNP_AL-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUEXT_DYNP_AL-LOGSYS.
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_ISUEXT_DYNP_AL_STR, 
CLIENT TYPE STRING,
PRODUCT_GUID TYPE STRING,
KEY_FIELD1 TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
UPNAME TYPE STRING,
HISTEX TYPE STRING,
LOGSYS TYPE STRING,
FIELDNAME TYPE STRING,
ATTRIBUTE_SVU TYPE STRING,
ISUCONTR TYPE STRING,
ISUCONTR_DESC TYPE STRING,
ISULOGSYS TYPE STRING,
ISULOGSYS_DESC TYPE STRING,
NEXTITEM TYPE STRING,
NEXTITEM_DESC TYPE STRING,
RELPREV TYPE STRING,
RELPREV_DESC TYPE STRING,
PREVITEM TYPE STRING,
PREVITEM_DESC TYPE STRING,
RELNEXT TYPE STRING,
RELNEXT_DESC TYPE STRING,
RELITEM TYPE STRING,
RELITEM_DESC TYPE STRING,
BPNO TYPE STRING,
BPNO_DESC TYPE STRING,
BPGUID TYPE STRING,
BPGUID_DESC TYPE STRING,
BUAGGUID TYPE STRING,
BUAGGUID_DESC TYPE STRING,
PODGUID TYPE STRING,
PODGUID_DESC TYPE STRING,
CONTSTART TYPE STRING,
CONTSTART_DESC TYPE STRING,
CONTEND TYPE STRING,
CONTEND_DESC TYPE STRING,
CONTDUR TYPE STRING,
CONTDUR_DESC TYPE STRING,
VALIDFROM TYPE STRING,
VALIDFROM_DESC TYPE STRING,
VALIDTO TYPE STRING,
VALIDTO_DESC TYPE STRING,
QUOTATION TYPE STRING,
QUOTATION_DESC TYPE STRING,
CANCELLED TYPE STRING,
CANCELLED_DESC TYPE STRING,
BLOCKED TYPE STRING,
BLOCKED_DESC TYPE STRING,
DIVISION TYPE STRING,
DIVISION_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISUEXT_DYNP_AL_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_ISUEXT_DYNP_AL_STR-CLIENT sy-vline 
WA_ISUEXT_DYNP_AL_STR-PRODUCT_GUID sy-vline 
WA_ISUEXT_DYNP_AL_STR-KEY_FIELD1 sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALID_FROM sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALID_TO sy-vline 
WA_ISUEXT_DYNP_AL_STR-UPNAME sy-vline 
WA_ISUEXT_DYNP_AL_STR-HISTEX sy-vline 
WA_ISUEXT_DYNP_AL_STR-LOGSYS sy-vline 
WA_ISUEXT_DYNP_AL_STR-FIELDNAME sy-vline 
WA_ISUEXT_DYNP_AL_STR-ATTRIBUTE_SVU sy-vline 
WA_ISUEXT_DYNP_AL_STR-ISUCONTR sy-vline 
WA_ISUEXT_DYNP_AL_STR-ISUCONTR_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-ISULOGSYS sy-vline 
WA_ISUEXT_DYNP_AL_STR-ISULOGSYS_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-NEXTITEM sy-vline 
WA_ISUEXT_DYNP_AL_STR-NEXTITEM_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELPREV sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELPREV_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-PREVITEM sy-vline 
WA_ISUEXT_DYNP_AL_STR-PREVITEM_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELNEXT sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELNEXT_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELITEM sy-vline 
WA_ISUEXT_DYNP_AL_STR-RELITEM_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-BPNO sy-vline 
WA_ISUEXT_DYNP_AL_STR-BPNO_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-BPGUID sy-vline 
WA_ISUEXT_DYNP_AL_STR-BPGUID_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-BUAGGUID sy-vline 
WA_ISUEXT_DYNP_AL_STR-BUAGGUID_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-PODGUID sy-vline 
WA_ISUEXT_DYNP_AL_STR-PODGUID_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTSTART sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTSTART_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTEND sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTEND_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTDUR sy-vline 
WA_ISUEXT_DYNP_AL_STR-CONTDUR_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALIDFROM sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALIDFROM_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALIDTO sy-vline 
WA_ISUEXT_DYNP_AL_STR-VALIDTO_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-QUOTATION sy-vline 
WA_ISUEXT_DYNP_AL_STR-QUOTATION_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-CANCELLED sy-vline 
WA_ISUEXT_DYNP_AL_STR-CANCELLED_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-BLOCKED sy-vline 
WA_ISUEXT_DYNP_AL_STR-BLOCKED_DESC sy-vline 
WA_ISUEXT_DYNP_AL_STR-DIVISION sy-vline 
WA_ISUEXT_DYNP_AL_STR-DIVISION_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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