ABAP Select data from SAP table TRSPAS_SCHEDULE_DISPLAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRSPAS_SCHEDULE_DISPLAY
*  INTO TABLE @DATA(IT_TRSPAS_SCHEDULE_DISPLAY2).
*--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_TRSPAS_SCHEDULE_DISPLAY INDEX 1 INTO DATA(WA_TRSPAS_SCHEDULE_DISPLAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRSPAS_SCHEDULE_DISPLAY>-MANDT = 1.
<TRSPAS_SCHEDULE_DISPLAY>-BEARER_CAT = 1.
<TRSPAS_SCHEDULE_DISPLAY>-BEARER_ID = 1.
<TRSPAS_SCHEDULE_DISPLAY>-CASHFLOW_ID = 1.
<TRSPAS_SCHEDULE_DISPLAY>-IRA_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRSPAS_SCHEDULE_DISPLAY-SECURITIES_ID, sy-vline,
  WA_TRSPAS_SCHEDULE_DISPLAY-RHANDPL, sy-vline,
  WA_TRSPAS_SCHEDULE_DISPLAY-SKURSART, sy-vline,
  WA_TRSPAS_SCHEDULE_DISPLAY-SECURITIES_PRICE, sy-vline,
  WA_TRSPAS_SCHEDULE_DISPLAY-SECURITIES_WAERS, sy-vline,
  WA_TRSPAS_SCHEDULE_DISPLAY-REGI_STATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TRSPAS_SCHEDULE_DISPLAY 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_TRSPAS_SCHEDULE_DISPLAY 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_TRSPAS_SCHEDULE_DISPLAY INTO WA_TRSPAS_SCHEDULE_DISPLAY.


*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 SECURITIES_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TRSPAS_SCHEDULE_DISPLAY-SECURITIES_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRSPAS_SCHEDULE_DISPLAY-SECURITIES_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TRSPAS_SCHEDULE_DISPLAY-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRSPAS_SCHEDULE_DISPLAY-RFHA.
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_TRSPAS_SCHEDULE_DISPLAY_STR, 
MANDT TYPE STRING,
BEARER_CAT TYPE STRING,
BEARER_ID TYPE STRING,
CASHFLOW_ID TYPE STRING,
IRA_DATE TYPE STRING,
SECURITIES_ID TYPE STRING,
RHANDPL TYPE STRING,
SKURSART TYPE STRING,
SECURITIES_PRICE TYPE STRING,
SECURITIES_WAERS TYPE STRING,
REGI_STATE TYPE STRING,
TERM_FROM TYPE STRING,
IRA_TRIGGER TYPE STRING,
FIXER_NAME TYPE STRING,
FIXING_DATE TYPE STRING,
FIXING_TIME TYPE STRING,
ACTIVITY_STATE TYPE STRING,
XREGI_STATE TYPE STRING,
XIRA_TRIGGER TYPE STRING,
XCASHFLOW_ID TYPE STRING,
IREGI_STATE TYPE STRING,
XDAY TYPE STRING,
BUKRS TYPE STRING,
RFHA TYPE STRING,
RFHAZU TYPE STRING,
RANTYP TYPE STRING,
SANLF TYPE STRING,
SFGTYP TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
XGSART TYPE STRING,
XFHAART TYPE STRING,
IRA_DATE_II TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRSPAS_SCHEDULE_DISPLAY_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_TRSPAS_SCHEDULE_DISPLAY_STR-MANDT sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-BEARER_CAT sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-BEARER_ID sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-CASHFLOW_ID sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-IRA_DATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SECURITIES_ID sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-RHANDPL sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SKURSART sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SECURITIES_PRICE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SECURITIES_WAERS sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-REGI_STATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-TERM_FROM sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-IRA_TRIGGER sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-FIXER_NAME sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-FIXING_DATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-FIXING_TIME sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-ACTIVITY_STATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XREGI_STATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XIRA_TRIGGER sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XCASHFLOW_ID sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-IREGI_STATE sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XDAY sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-BUKRS sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-RFHA sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-RFHAZU sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-RANTYP sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SANLF sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SFGTYP sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SGSART sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-SFHAART sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XGSART sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-XFHAART sy-vline 
WA_TRSPAS_SCHEDULE_DISPLAY_STR-IRA_DATE_II sy-vline      INTO ld_text SEPARATED BY SPACE.

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