提交 0cd2a847 编写于 作者: B Bruce Momjian

Add Joe's table functions description.

上级 4490c7b1
......@@ -22,9 +22,10 @@ Overview
Table Functions
PL/PgSQL and C functions can now return sets, with multiple
rows and multiple columns. You specify these functions in the
SELECT FROM clause, similar to a table or view.
Functions returning multiple rows and/or multiple columns are
now much easier to use than before. You can call such a
"table function" in the SELECT FROM clause, treating its output
like a table. Also, plpgsql functions can now return sets.
Prepared Queries
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