云数据库 GAUSSDB-Function Scan:示例

时间:2025-03-03 19:28:54

示例

示例:调用系统函数。

gaussdb=# EXPLAIN SELECT * FROM generate_series(2,4); 
                               QUERY PLAN                                
------------------------------------------------------------------------ 
 Function Scan on generate_series  (cost=0.00..10.00 rows=1000 width=4) 
(1 row)
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