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Change of internal key_field=NULL handling to avoid error messages.

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Optimized SELECT DISTINCT ... ORDER BY ... LIMIT
Fixed reference to uninitalized variable
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monty@hundin.mysql.fi
2002-12-03 13:08:25 +02:00
parent ce56f927fa
commit 8830eb4aa9
25 changed files with 315 additions and 119 deletions
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mysql-test/r/func_math.result
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@ -31,9 +31,10 @@ log10(100) log10(18) log10(-4) log10(0) log10(NULL)
select pow(10,log10(10)),power(2,4);
pow(10,log10(10)) power(2,4)
10.000000 16.000000
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select rand(999999),rand();
rand(999999) rand()
0.014231365187309 0.8078568166195
0.014231365187309 0.028870999839968
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
PI() sin(pi()/2) cos(pi()/2) abs(tan(pi())) cot(1) asin(1) acos(0) atan(1)
3.141593 1.000000 0.000000 0.000000 0.64209262 1.570796 1.570796 0.785398