ABAP Select data from SAP table SYB_XCHG_ASERESOURCES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SYB_XCHG_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 SYB_XCHG_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 SYB_XCHG_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_SYB_XCHG_ASERESOURCES TYPE STANDARD TABLE OF SYB_XCHG_ASERESOURCES,
      WA_SYB_XCHG_ASERESOURCES TYPE SYB_XCHG_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: <SYB_XCHG_ASERESOURCES> TYPE SYB_XCHG_ASERESOURCES.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SYB_XCHG_ASERESOURCES
*  INTO TABLE @DATA(IT_SYB_XCHG_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_SYB_XCHG_ASERESOURCES INDEX 1 INTO DATA(WA_SYB_XCHG_ASERESOURCES2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SYB_XCHG_ASERESOURCES-RESOURCE_NAME, sy-vline,
  WA_SYB_XCHG_ASERESOURCES-MAX_USED, sy-vline,
  WA_SYB_XCHG_ASERESOURCES-REUSE_CNT, sy-vline,
  WA_SYB_XCHG_ASERESOURCES-CONFIG_VAL, sy-vline,
  WA_SYB_XCHG_ASERESOURCES-SYSTEM_VAL, sy-vline,
  WA_SYB_XCHG_ASERESOURCES-TOTAL_VAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SYB_XCHG_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_SYB_XCHG_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_SYB_XCHG_ASERESOURCES INTO WA_SYB_XCHG_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_SYB_XCHG_ASERESOURCES_STR, 
ASERESOURCE TYPE STRING,
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,
TIME_SELECTION TYPE STRING,
FROM_DATE TYPE STRING,
FROM_TIME TYPE STRING,
TO_DATE TYPE STRING,
TO_TIME TYPE STRING,
TIME_FRAME TYPE STRING,
RANGETYPE TYPE STRING,
TIME_ZONE TYPE STRING,
GRANULARITY TYPE STRING,
TIME_RANGE_READONLY TYPE STRING,
TIME_RANGE_HIDDEN TYPE STRING,
TIME_RANGE_DESCR TYPE STRING,
CONFIRM_ENABLED TYPE STRING,
GRANULARITY_ENABLED TYPE STRING,
AGGREGATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SYB_XCHG_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_SYB_XCHG_ASERESOURCES_STR-ASERESOURCE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-SNAPSHOT_TIMESTAMP sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIMESTAMP_FROM sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIMESTAMP_TO sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_PERIOD sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-RESOURCE_NAME sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-MAX_USED sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-REUSE_CNT sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-CONFIG_VAL sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-SYSTEM_VAL sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TOTAL_VAL sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-NUM_FREE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-NUM_ACTIVE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-PCT_ACT sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TOTAL_VAL_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-CONFIG_VAL_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-SYSTEM_VAL_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-NUM_FREE_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-NUM_ACTIVE_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-PCT_ACT_AVG sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_SELECTION sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-FROM_DATE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-FROM_TIME sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TO_DATE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TO_TIME sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_FRAME sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-RANGETYPE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_ZONE sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-GRANULARITY sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_RANGE_READONLY sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_RANGE_HIDDEN sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-TIME_RANGE_DESCR sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-CONFIRM_ENABLED sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-GRANULARITY_ENABLED sy-vline 
WA_SYB_XCHG_ASERESOURCES_STR-AGGREGATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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