ABAP Select data from SAP table SYBMON_ASERESOURCES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SYBMON_ASERESOURCES
*  INTO TABLE @DATA(IT_SYBMON_ASERESOURCES2).
*--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_SYBMON_ASERESOURCES INDEX 1 INTO DATA(WA_SYBMON_ASERESOURCES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SYBMON_ASERESOURCES>-SNAPSHOT_TIMESTAMP = 1.
<SYBMON_ASERESOURCES>-TIMESTAMP_FROM = 1.
<SYBMON_ASERESOURCES>-TIMESTAMP_TO = 1.
<SYBMON_ASERESOURCES>-TIME_PERIOD = 1.
<SYBMON_ASERESOURCES>-RESOURCE_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SYBMON_ASERESOURCES-MAX_USED, sy-vline,
  WA_SYBMON_ASERESOURCES-REUSE_CNT, sy-vline,
  WA_SYBMON_ASERESOURCES-CONFIG_VAL, sy-vline,
  WA_SYBMON_ASERESOURCES-SYSTEM_VAL, sy-vline,
  WA_SYBMON_ASERESOURCES-TOTAL_VAL, sy-vline,
  WA_SYBMON_ASERESOURCES-NUM_FREE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SYBMON_ASERESOURCES 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_SYBMON_ASERESOURCES 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_SYBMON_ASERESOURCES INTO WA_SYBMON_ASERESOURCES.


*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_SYBMON_ASERESOURCES_STR, 
SNAPSHOT_TIMESTAMP TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
TIMESTAMP_TO TYPE STRING,
TIME_PERIOD TYPE STRING,
RESOURCE_NAME TYPE STRING,
MAX_USED TYPE STRING,
REUSE_CNT TYPE STRING,
CONFIG_VAL TYPE STRING,
SYSTEM_VAL TYPE STRING,
TOTAL_VAL TYPE STRING,
NUM_FREE TYPE STRING,
NUM_ACTIVE TYPE STRING,
PCT_ACT TYPE STRING,
TOTAL_VAL_AVG TYPE STRING,
CONFIG_VAL_AVG TYPE STRING,
SYSTEM_VAL_AVG TYPE STRING,
NUM_FREE_AVG TYPE STRING,
NUM_ACTIVE_AVG TYPE STRING,
PCT_ACT_AVG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SYBMON_ASERESOURCES_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_SYBMON_ASERESOURCES_STR-SNAPSHOT_TIMESTAMP sy-vline 
WA_SYBMON_ASERESOURCES_STR-TIMESTAMP_FROM sy-vline 
WA_SYBMON_ASERESOURCES_STR-TIMESTAMP_TO sy-vline 
WA_SYBMON_ASERESOURCES_STR-TIME_PERIOD sy-vline 
WA_SYBMON_ASERESOURCES_STR-RESOURCE_NAME sy-vline 
WA_SYBMON_ASERESOURCES_STR-MAX_USED sy-vline 
WA_SYBMON_ASERESOURCES_STR-REUSE_CNT sy-vline 
WA_SYBMON_ASERESOURCES_STR-CONFIG_VAL sy-vline 
WA_SYBMON_ASERESOURCES_STR-SYSTEM_VAL sy-vline 
WA_SYBMON_ASERESOURCES_STR-TOTAL_VAL sy-vline 
WA_SYBMON_ASERESOURCES_STR-NUM_FREE sy-vline 
WA_SYBMON_ASERESOURCES_STR-NUM_ACTIVE sy-vline 
WA_SYBMON_ASERESOURCES_STR-PCT_ACT sy-vline 
WA_SYBMON_ASERESOURCES_STR-TOTAL_VAL_AVG sy-vline 
WA_SYBMON_ASERESOURCES_STR-CONFIG_VAL_AVG sy-vline 
WA_SYBMON_ASERESOURCES_STR-SYSTEM_VAL_AVG sy-vline 
WA_SYBMON_ASERESOURCES_STR-NUM_FREE_AVG sy-vline 
WA_SYBMON_ASERESOURCES_STR-NUM_ACTIVE_AVG sy-vline 
WA_SYBMON_ASERESOURCES_STR-PCT_ACT_AVG sy-vline      INTO ld_text SEPARATED BY SPACE.

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