SELECT /*+ GATHER_PLAN_STATISTICS */ ....................
SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR(FORMAT=>'ALLSTATS LAST ALL +OUTLINE'))；
Plan hash value: 3657219412
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| Id | Operation | Name | Starts | E-Rows |E-Bytes| Cost (%CPU)| E-Time | A-Rows | A-Time | Buffers | OMem | 1Mem | Used-Mem |
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| 0 | SELECT STATEMENT | | 1 | | | 4 (100)| | 10 |00:00:00.01 | 1390 | | | |
|* 1 | VIEW | | 1 | 73 | 39274 | 4 (25)| 00:00:01 | 10 |00:00:00.01 | 1390 | | | |
|* 2 | WINDOW SORT PUSHED RANK | | 1 | 73 | 76650 | 4 (25)| 00:00:01 | 30 |00:00:00.01 | 1390 | 4096 | 4096 | 4096 (0)|
| 3 | NESTED LOOPS SEMI | | 1 | 73 | 76650 | 3 (0)| 00:00:01 | 73 |00:00:00.01 | 1390 | | | |
| 4 | TABLE ACCESS FULL | POST | 1 | 500 | 256K| 3 (0)| 00:00:01 | 500 |00:00:00.01 | 7 | | | |
|* 5 | TABLE ACCESS BY INDEX ROWID BATCHED| POST_COMMENT | 500 | 11 | 5775 | 0 (0)| | 73 |00:00:00.01 | 1383 | | | |
|* 6 | INDEX RANGE SCAN | POST_REVIEW_IDX | 500 | 73 | | 0 (0)| | 33872 |00:00:00.01 | 8 | | | |
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Query Block Name / Object Alias (identified by operation id):
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1 - SEL$5DA710D3 / from$_subquery$_003@SEL$3
2 - SEL$5DA710D3
4 - SEL$5DA710D3 / P@SEL$1
5 - SEL$5DA710D3 / PC@SEL$2
6 - SEL$5DA710D3 / PC@SEL$2
Outline Data
-------------
/*+
BEGIN_OUTLINE_DATA
IGNORE_OPTIM_EMBEDDED_HINTS
OPTIMIZER_FEATURES_ENABLE('18.1.0')
DB_VERSION('18.1.0')
ALL_ROWS
OUTLINE_LEAF(@"SEL$5DA710D3")
UNNEST(@"SEL$2")
OUTLINE_LEAF(@"SEL$3")
OUTLINE(@"SEL$1")
OUTLINE(@"SEL$2")
NO_ACCESS(@"SEL$3" "from$_subquery$_003"@"SEL$3")
FULL(@"SEL$5DA710D3" "P"@"SEL$1")
INDEX_RS_ASC(@"SEL$5DA710D3" "PC"@"SEL$2" ("POST_COMMENT"."REVIEW"))
BATCH_TABLE_ACCESS_BY_ROWID(@"SEL$5DA710D3" "PC"@"SEL$2")
LEADING(@"SEL$5DA710D3" "P"@"SEL$1" "PC"@"SEL$2")
USE_NL(@"SEL$5DA710D3" "PC"@"SEL$2")
END_OUTLINE_DATA
*/
Predicate Information (identified by operation id):
---------------------------------------------------
1 - filter(("from$_subquery$_003"."rowlimit_$$_rownumber"<=CASE WHEN (20>=0) THEN 20 ELSE 0 END +10 AND "from$_subquery$_003"."rowlimit_$$_rownumber">20))
2 - filter(ROW_NUMBER() OVER ( ORDER BY "P"."TITLE")<=CASE WHEN (20>=0) THEN 20 ELSE 0 END +10)
5 - filter("PC"."POST_ID"="P"."ID")
6 - access("PC"."REVIEW"='Bingo')
Column Projection Information (identified by operation id):
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1 - (rowset=60) "from$_subquery$_003"."ID"[NUMBER,22], "from$_subquery$_003"."rowlimit_$$_rownumber"[NUMBER,22]
2 - (#keys=1; rowset=60) "P"."TITLE"[VARCHAR2,1020], "P"."ID"[NUMBER,22], ROW_NUMBER() OVER ( ORDER BY "P"."TITLE")[22]
3 - "P"."ID"[NUMBER,22], "P"."TITLE"[VARCHAR2,1020]
4 - "P"."ID"[NUMBER,22], "P"."TITLE"[VARCHAR2,1020]
6 - "PC".ROWID[ROWID,10]
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