PARTITION LIST (ITERATOR)

Description

Executes child operations for each partition in the table specified by a range of partition key values

Versions

This operation was introduced in Oracle 9.0.1

This operation is implemented in the following versions

9.0.1
9.2.0
10.1.0
10.2.0

Example

This example was developed using Oracle 9.2.0.1 on Windows 2000

This example requires the following table definition 

    CREATE TABLE t1 (c1 NUMBER,c2 NUMBER)
    PARTITION BY LIST (c1)
    (
      PARTITION p1 VALUES (1),
      PARTITION p2 VALUES (2),
      PARTITION p3 VALUES (3),
      PARTITION p4 VALUES (4)
    );

The table does not need to be analysed

The statement 

    SELECT c1 FROM t1
    WHERE c1 < 3;

generates the following execution plan 

0     SELECT STATEMENT Optimizer=CHOOSE
1   0   PARTITION LIST (ITERATOR)
2   1     TABLE ACCESS (FULL) OF 'T1'