ABAP Select data from SAP table ISPCECTXCHRNCFISHTP_DR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPCECTXCHRNCFISHTP_DR
*  INTO TABLE @DATA(IT_ISPCECTXCHRNCFISHTP_DR2).
*--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_ISPCECTXCHRNCFISHTP_DR INDEX 1 INTO DATA(WA_ISPCECTXCHRNCFISHTP_DR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPCECTXCHRNCFISHTP_DR>-PCECTXCHRNCFISHUUID = 1.
<ISPCECTXCHRNCFISHTP_DR>-PCECTXPRPTYUUID = 1.
<ISPCECTXCHRNCFISHTP_DR>-PCECTXSPECIESPHRSUUID = 1.
<ISPCECTXCHRNCFISHTP_DR>-PCECTXEXPSRDURN = 1.
<ISPCECTXCHRNCFISHTP_DR>-PCECTXEXPSRDURNASTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPCECTXCHRNCFISHTP_DR-PCECTXEXPSRUOM, sy-vline,
  WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUETYPEPHRSUUID, sy-vline,
  WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUELOWRQTY, sy-vline,
  WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUELOWRQTYTXT, sy-vline,
  WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUELOWRQTYOPTR, sy-vline,
  WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUEUPRQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPCECTXCHRNCFISHTP_DR 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_ISPCECTXCHRNCFISHTP_DR 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_ISPCECTXCHRNCFISHTP_DR INTO WA_ISPCECTXCHRNCFISHTP_DR.


*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 CUNIT, internal->external for field PCECTXEXPSRUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPCECTXCHRNCFISHTP_DR-PCECTXEXPSRUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPCECTXCHRNCFISHTP_DR-PCECTXEXPSRUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PCECTXVALUEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPCECTXCHRNCFISHTP_DR-PCECTXVALUEUOM.
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_ISPCECTXCHRNCFISHTP_DR_STR, 
PCECTXCHRNCFISHUUID TYPE STRING,
PCECTXPRPTYUUID TYPE STRING,
PCECTXSPECIESPHRSUUID TYPE STRING,
PCECTXEXPSRDURN TYPE STRING,
PCECTXEXPSRDURNASTEXT TYPE STRING,
PCECTXEXPSRUOM TYPE STRING,
PCECTXVALUETYPEPHRSUUID TYPE STRING,
PCECTXVALUELOWRQTY TYPE STRING,
PCECTXVALUELOWRQTYTXT TYPE STRING,
PCECTXVALUELOWRQTYOPTR TYPE STRING,
PCECTXVALUEUPRQTY TYPE STRING,
PCECTXVALUEUPRQTYTXT TYPE STRING,
PCECTXVALUEUPRQTYOPTR TYPE STRING,
PCECTXVALUEUOM TYPE STRING,
PCECTXMETHODPHRSUUID TYPE STRING,
PCECTXNOTETEXT TYPE STRING,
PCECTXRATING TYPE STRING,
PCECTXADDLSTATEMENTPHRSUUID TYPE STRING,
PCECTXASSMTPHRSUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPCECTXCHRNCFISHTP_DR_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_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXCHRNCFISHUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXPRPTYUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXSPECIESPHRSUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXEXPSRDURN sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXEXPSRDURNASTEXT sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXEXPSRUOM sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUETYPEPHRSUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUELOWRQTY sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUELOWRQTYTXT sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUELOWRQTYOPTR sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUEUPRQTY sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUEUPRQTYTXT sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUEUPRQTYOPTR sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXVALUEUOM sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXMETHODPHRSUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXNOTETEXT sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXRATING sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXADDLSTATEMENTPHRSUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-PCECTXASSMTPHRSUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-CREATIONUTCDATETIME sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-CREATEDBYUSER sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-ACTIVEUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-HASACTIVEENTITY sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPCECTXCHRNCFISHTP_DR_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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