ABAP Select data from SAP table SYBMON_CACHEDSTMT_META into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SYBMON_CACHEDSTMT_META 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_CACHEDSTMT_META. 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_CACHEDSTMT_META 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_CACHEDSTMT_META TYPE STANDARD TABLE OF SYBMON_CACHEDSTMT_META,
      WA_SYBMON_CACHEDSTMT_META TYPE SYBMON_CACHEDSTMT_META,
      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_CACHEDSTMT_META> TYPE SYBMON_CACHEDSTMT_META.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SYBMON_CACHEDSTMT_META
*  INTO TABLE @DATA(IT_SYBMON_CACHEDSTMT_META2).
*--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_CACHEDSTMT_META INDEX 1 INTO DATA(WA_SYBMON_CACHEDSTMT_META2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SYBMON_CACHEDSTMT_META>-INSTANCEID = 1.
<SYBMON_CACHEDSTMT_META>-SSQLID = 1.
<SYBMON_CACHEDSTMT_META>-HASHKEY = 1.
<SYBMON_CACHEDSTMT_META>-VARIANT_CNT = 1.
<SYBMON_CACHEDSTMT_META>-USERID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SYBMON_CACHEDSTMT_META-SUSERID, sy-vline,
  WA_SYBMON_CACHEDSTMT_META-DBNAME, sy-vline,
  WA_SYBMON_CACHEDSTMT_META-STMTTYPE, sy-vline,
  WA_SYBMON_CACHEDSTMT_META-HASAUTOPARAMS, sy-vline,
  WA_SYBMON_CACHEDSTMT_META-PARALLELDEGREE, sy-vline,
  WA_SYBMON_CACHEDSTMT_META-QUOTEDIDENTIFIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SYBMON_CACHEDSTMT_META 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_CACHEDSTMT_META 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_CACHEDSTMT_META INTO WA_SYBMON_CACHEDSTMT_META.


*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_CACHEDSTMT_META_STR, 
INSTANCEID TYPE STRING,
SSQLID TYPE STRING,
HASHKEY TYPE STRING,
VARIANT_CNT TYPE STRING,
USERID TYPE STRING,
SUSERID TYPE STRING,
DBNAME TYPE STRING,
STMTTYPE TYPE STRING,
HASAUTOPARAMS TYPE STRING,
PARALLELDEGREE TYPE STRING,
QUOTEDIDENTIFIER TYPE STRING,
TRANSACTIONISOLATIONLEVEL TYPE STRING,
TRANSACTIONMODE TYPE STRING,
SAAUTHORIZATION TYPE STRING,
SYSTEMCATALOGUPDATE TYPE STRING,
CACHEDDATE TYPE STRING,
OPTGOAL TYPE STRING,
OPTLEVEL TYPE STRING,
REMOVALDATE TYPE STRING,
ABAP_SOURCE TYPE STRING,
RAND_SSQLID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SYBMON_CACHEDSTMT_META_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_CACHEDSTMT_META_STR-INSTANCEID sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-SSQLID sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-HASHKEY sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-VARIANT_CNT sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-USERID sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-SUSERID sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-DBNAME sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-STMTTYPE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-HASAUTOPARAMS sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-PARALLELDEGREE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-QUOTEDIDENTIFIER sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-TRANSACTIONISOLATIONLEVEL sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-TRANSACTIONMODE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-SAAUTHORIZATION sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-SYSTEMCATALOGUPDATE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-CACHEDDATE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-OPTGOAL sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-OPTLEVEL sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-REMOVALDATE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-ABAP_SOURCE sy-vline 
WA_SYBMON_CACHEDSTMT_META_STR-RAND_SSQLID sy-vline      INTO ld_text SEPARATED BY SPACE.

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