trace来获得10053跟踪文件(2)

PM: Considering predicate move-around in query block SEL$1 (#0)
 **************************
 Predicate Move-Around (PM)
 **************************
 Considering Query Transformations on query block SEL$1 (#0)
 **************************
 Query transformations (QT)
 **************************
 JF: Checking validity of join factorization for query block SEL$1 (#0)
 JF: Bypassed: not a UNION or UNION-ALL query block.
 ST: not valid since star transformation parameter is FALSE
 TE: Checking validity of table expansion for query block SEL$1 (#0)
 TE: Bypassed: No partitioned table in query block.
 CBQT bypassed for query block SEL$1 (#0): no complex view, sub-queries or UNION (ALL) queries.
 CBQT: Validity checks failed for 84zghzsc8b7rj.
 CSE: Considering common sub-expression elimination in query block SEL$1 (#0)
 *************************
 Common Subexpression elimination (CSE)
 *************************
 CSE:    CSE not performed on query block SEL$1 (#0).
 OBYE:  Considering Order-by Elimination from view SEL$1 (#0)
 ***************************
 Order-by elimination (OBYE)
 ***************************
 OBYE:    OBYE bypassed: no order by to eliminate.
 CVM: Considering view merge in query block SEL$1 (#0)
 query block SEL$1 (#0) unchanged
 Considering Query Transformations on query block SEL$1 (#0)
 **************************
 Query transformations (QT)
 **************************
 JF: Checking validity of join factorization for query block SEL$1 (#0)
 JF: Bypassed: not a UNION or UNION-ALL query block.
 ST: not valid since star transformation parameter is FALSE
 TE: Checking validity of table expansion for query block SEL$1 (#0)
 TE: Bypassed: No partitioned table in query block.
 CBQT bypassed for query block SEL$1 (#0): no complex view, sub-queries or UNION (ALL) queries.
 CBQT: Validity checks failed for 84zghzsc8b7rj.
 CSE: Considering common sub-expression elimination in query block SEL$1 (#0)
 *************************
 Common Subexpression elimination (CSE)
 *************************
 CSE:    CSE not performed on query block SEL$1 (#0).
 SU: Considering subquery unnesting in query block SEL$1 (#0)
 ********************
 Subquery Unnest (SU)
 ********************
 SJC: Considering set-join conversion in query block SEL$1 (#0)
 *************************
 Set-Join Conversion (SJC)
 *************************
 SJC: not performed
 PM: Considering predicate move-around in query block SEL$1 (#0)
 **************************
 Predicate Move-Around (PM)
 **************************
 PM:    PM bypassed: Outer query contains no views.
 PM:    PM bypassed: Outer query contains no views.
 query block SEL$1 (#0) unchanged
 End Semantic analysis of cur#=7 sqlid=84zghzsc8b7rj
 Typechecking cur#=7 sqlid=84zghzsc8b7rj
 FPD: Considering simple filter push in query block SEL$1 (#0)
  ??
 apadrv-start sqlid=9402936571143233265
  :
    call(in-use=1008, alloc=16344), compile(in-use=53512, alloc=54384), execution(in-use=2424, alloc=4032)
 
*******************************************
 Peeked values of the binds in SQL statement
 *******************************************

Final query after transformations:******* UNPARSED QUERY IS *******
 SELECT SYSDATE@! "SYSDATE" FROM "SYS"."DUAL" "DUAL"
 kkoqbc: optimizing query block SEL$1 (#0)

:
    call(in-use=1008, alloc=16344), compile(in-use=54576, alloc=56336), execution(in-use=2424, alloc=4032)
 
kkoqbc-subheap (create addr=0x2b4afb8cfb08)
 ****************
 QUERY BLOCK TEXT
 ****************
 select sysdate from dual
 ---------------------
 QUERY BLOCK SIGNATURE
 ---------------------
 signature (optimizer): qb_name=SEL$1 nbfros=1 flg=0
  fro(0): flg=0 objn=116 hint_alias="DUAL"@"SEL$1"

-----------------------------
 SYSTEM STATISTICS INFORMATION
 -----------------------------
  Using NOWORKLOAD Stats
  CPUSPEEDNW: 2657 millions instructions/sec (default is 100)
  IOTFRSPEED: 4096 bytes per millisecond (default is 4096)
  IOSEEKTIM: 10 milliseconds (default is 10)
  MBRC: -1 blocks (default is 8)

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