43 lines
797 B
MySQL
43 lines
797 B
MySQL
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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drop table t;
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set echo on
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create or replace function f(x in number) return number as
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begin
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dbms_output.put_line('F='||to_char(x));
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return x;
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end;
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/
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set serverout on size 1000000
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select * from dual
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where
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rownum = f(2)
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or rownum = f(1)
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/
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create table t (a, b) as select 1, 1 from dual connect by level <= 100000;
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insert into t values (1,2);
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commit;
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@gts t
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truncate table t;
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insert into t values (1,2);
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commit;
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--exec dbms_stats.set_table_stats(user, 'T', numrows=>1000000, numblks=>10000, avgrlen=>10, no_invalidate=>false);
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select * from t where b=f(2) or a=f(1);
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set echo off serverout off
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/
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@x
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