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Oracle® Database PL/SQL Language Reference
12c Release 1 (12.1)

E17622-21
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PIPE ROW Statement

The PIPE ROW statement, which can appear only in the body of a pipelined table function, returns a table row (but not control) to the invoker of the function.

Note:

  • If a pipelined table function is part of an autonomous transaction, then it must COMMIT or ROLLBACK before each PIPE ROW statement, to avoid an error in the invoking subprogram.

  • To improve performance, the PL/SQL runtime system delivers the piped rows to the invoker in batches.

Topics

Semantics

row

Row (table element) that the function returns to its invoker, represented by an expression whose type is that of the table element.

If the expression is a record variable, it must be explicitly declared with the data type of the table element. It cannot be declared with a data type that is only structurally identical to the element type. For example, if the element type has a name, then the record variable cannot be declared explicitly with %TYPE or %ROWTYPE or implicitly with %ROWTYPE in a cursor FOR LOOP statement.

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