ABAP Select data from SAP table ALLOC_RUN_CYCLE_TECH_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALLOC_RUN_CYCLE_TECH_DATA
*  INTO TABLE @DATA(IT_ALLOC_RUN_CYCLE_TECH_DATA2).
*--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_ALLOC_RUN_CYCLE_TECH_DATA INDEX 1 INTO DATA(WA_ALLOC_RUN_CYCLE_TECH_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALLOC_RUN_CYCLE_TECH_DATA>-READS_COUNT = 1.
<ALLOC_RUN_CYCLE_TECH_DATA>-USED_COUNT = 1.
<ALLOC_RUN_CYCLE_TECH_DATA>-WRITES_COUNT = 1.
<ALLOC_RUN_CYCLE_TECH_DATA>-START_TIME = 1.
<ALLOC_RUN_CYCLE_TECH_DATA>-START_DUR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALLOC_RUN_CYCLE_TECH_DATA-INIT_TIME, sy-vline,
  WA_ALLOC_RUN_CYCLE_TECH_DATA-INIT_DUR, sy-vline,
  WA_ALLOC_RUN_CYCLE_TECH_DATA-DOC_SEL_TIME, sy-vline,
  WA_ALLOC_RUN_CYCLE_TECH_DATA-DOC_SEL_DUR, sy-vline,
  WA_ALLOC_RUN_CYCLE_TECH_DATA-DB_SEL_TIME, sy-vline,
  WA_ALLOC_RUN_CYCLE_TECH_DATA-DB_SEL_DUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALLOC_RUN_CYCLE_TECH_DATA 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_ALLOC_RUN_CYCLE_TECH_DATA 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_ALLOC_RUN_CYCLE_TECH_DATA INTO WA_ALLOC_RUN_CYCLE_TECH_DATA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ALLOC_RUN_CYCLE_TECH_DATA_STR, 
READS_COUNT TYPE STRING,
USED_COUNT TYPE STRING,
WRITES_COUNT TYPE STRING,
START_TIME TYPE STRING,
START_DUR TYPE STRING,
INIT_TIME TYPE STRING,
INIT_DUR TYPE STRING,
DOC_SEL_TIME TYPE STRING,
DOC_SEL_DUR TYPE STRING,
DB_SEL_TIME TYPE STRING,
DB_SEL_DUR TYPE STRING,
USERTABLES_TIME TYPE STRING,
USERTABLES_DUR TYPE STRING,
FILL_ITER_TIME TYPE STRING,
FILL_ITER_DUR TYPE STRING,
ITERATION_TIME TYPE STRING,
ITERATION_DUR TYPE STRING,
RESULTS_TIME TYPE STRING,
RESULTS_DUR TYPE STRING,
RELEASE_TIME TYPE STRING,
RELEASE_DUR TYPE STRING,
END_TIME TYPE STRING,
END_DUR TYPE STRING,
BOOKING_TIME TYPE STRING,
BOOKING_DUR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALLOC_RUN_CYCLE_TECH_DATA_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_ALLOC_RUN_CYCLE_TECH_DATA_STR-READS_COUNT sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-USED_COUNT sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-WRITES_COUNT sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-START_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-START_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-INIT_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-INIT_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-DOC_SEL_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-DOC_SEL_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-DB_SEL_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-DB_SEL_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-USERTABLES_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-USERTABLES_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-FILL_ITER_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-FILL_ITER_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-ITERATION_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-ITERATION_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-RESULTS_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-RESULTS_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-RELEASE_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-RELEASE_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-END_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-END_DUR sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-BOOKING_TIME sy-vline 
WA_ALLOC_RUN_CYCLE_TECH_DATA_STR-BOOKING_DUR sy-vline      INTO ld_text SEPARATED BY SPACE.

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