在pl/pgsql中，执行动态SQL的格式以下(摘录自说明文档):sql
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EXECUTE command-string [ INTO [STRICT] target ] [ using expression [, ... ] ];
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其中，express
command-string就是要执行的动态sql语句(必定要记住：这里是sql语句，不是pl/pgSQL语句，像raise notice就不能使用)；spa
INTO子句是把sql查询到的值赋给INTO指定的变量；code
using子句是前面的command-string中替代变量($1, $2, ...)的赋值；ci
示例：文档
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do $$
declare
v_c
1
integer;
v_c
2
integer;
begin
execute
'select count(*) as c1, count(*) as c2 from (select 1 as idx union select 11 as idx union select 21 as idx) s where idx > $1'
into v_c
1
, v_c
2
using
10
;
raise notice
'%, %'
, v_c
1
, v_c
2
;
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