550 lines
19 KiB
Plaintext
550 lines
19 KiB
Plaintext
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drop table if exists t1;
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select floor(5.5),floor(-5.5);
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floor(5.5) floor(-5.5)
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5 -6
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explain extended select floor(5.5),floor(-5.5);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select floor(5.5) AS `floor(5.5)`,floor(-(5.5)) AS `floor(-5.5)`
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select ceiling(5.5),ceiling(-5.5);
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ceiling(5.5) ceiling(-5.5)
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6 -5
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explain extended select ceiling(5.5),ceiling(-5.5);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select ceiling(5.5) AS `ceiling(5.5)`,ceiling(-(5.5)) AS `ceiling(-5.5)`
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select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
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truncate(52.64,1) truncate(52.64,2) truncate(52.64,-1) truncate(52.64,-2) truncate(-52.64,1) truncate(-52.64,-1)
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52.6 52.64 50 0 -52.6 -50
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explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select truncate(52.64,1) AS `truncate(52.64,1)`,truncate(52.64,2) AS `truncate(52.64,2)`,truncate(52.64,-(1)) AS `truncate(52.64,-1)`,truncate(52.64,-(2)) AS `truncate(52.64,-2)`,truncate(-(52.64),1) AS `truncate(-52.64,1)`,truncate(-(52.64),-(1)) AS `truncate(-52.64,-1)`
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select round(5.5),round(-5.5);
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round(5.5) round(-5.5)
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6 -6
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explain extended select round(5.5),round(-5.5);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select round(5.5,0) AS `round(5.5)`,round(-(5.5),0) AS `round(-5.5)`
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select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
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round(5.64,1) round(5.64,2) round(5.64,-1) round(5.64,-2)
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5.6 5.64 10 0
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select abs(-10), sign(-5), sign(5), sign(0);
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abs(-10) sign(-5) sign(5) sign(0)
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10 -1 1 0
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explain extended select abs(-10), sign(-5), sign(5), sign(0);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select abs(-(10)) AS `abs(-10)`,sign(-(5)) AS `sign(-5)`,sign(5) AS `sign(5)`,sign(0) AS `sign(0)`
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select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
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log(exp(10)) exp(log(sqrt(10))*2) log(-1) log(NULL) log(1,1) log(3,9) log(-1,2) log(NULL,2)
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10 10 NULL NULL NULL 2 NULL NULL
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explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select log(exp(10)) AS `log(exp(10))`,exp((log(sqrt(10)) * 2)) AS `exp(log(sqrt(10))*2)`,log(-(1)) AS `log(-1)`,log(NULL) AS `log(NULL)`,log(1,1) AS `log(1,1)`,log(3,9) AS `log(3,9)`,log(-(1),2) AS `log(-1,2)`,log(NULL,2) AS `log(NULL,2)`
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select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
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ln(exp(10)) exp(ln(sqrt(10))*2) ln(-1) ln(0) ln(NULL)
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10 10 NULL NULL NULL
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explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select ln(exp(10)) AS `ln(exp(10))`,exp((ln(sqrt(10)) * 2)) AS `exp(ln(sqrt(10))*2)`,ln(-(1)) AS `ln(-1)`,ln(0) AS `ln(0)`,ln(NULL) AS `ln(NULL)`
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select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
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log2(8) log2(15) log2(-2) log2(0) log2(NULL)
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3 3.90689059560852 NULL NULL NULL
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explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select log2(8) AS `log2(8)`,log2(15) AS `log2(15)`,log2(-(2)) AS `log2(-2)`,log2(0) AS `log2(0)`,log2(NULL) AS `log2(NULL)`
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select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
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log10(100) log10(18) log10(-4) log10(0) log10(NULL)
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2 1.25527250510331 NULL NULL NULL
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explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select log10(100) AS `log10(100)`,log10(18) AS `log10(18)`,log10(-(4)) AS `log10(-4)`,log10(0) AS `log10(0)`,log10(NULL) AS `log10(NULL)`
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select pow(10,log10(10)),power(2,4);
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pow(10,log10(10)) power(2,4)
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10 16
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explain extended select pow(10,log10(10)),power(2,4);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select pow(10,log10(10)) AS `pow(10,log10(10))`,pow(2,4) AS `power(2,4)`
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set @@rand_seed1=10000000,@@rand_seed2=1000000;
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select rand(999999),rand();
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rand(999999) rand()
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0.0142313651873091 0.028870999839968
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explain extended select rand(999999),rand();
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select rand(999999) AS `rand(999999)`,rand() AS `rand()`
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select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6);
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pi() format(sin(pi()/2),6) format(cos(pi()/2),6) format(abs(tan(pi())),6) format(cot(1),6) format(asin(1),6) format(acos(0),6) format(atan(1),6)
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3.141593 1.000000 0.000000 0.000000 0.642093 1.570796 1.570796 0.785398
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explain extended select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select pi() AS `pi()`,format(sin((pi() / 2)),6) AS `format(sin(pi()/2),6)`,format(cos((pi() / 2)),6) AS `format(cos(pi()/2),6)`,format(abs(tan(pi())),6) AS `format(abs(tan(pi())),6)`,format((1 / tan(1)),6) AS `format(cot(1),6)`,format(asin(1),6) AS `format(asin(1),6)`,format(acos(0),6) AS `format(acos(0),6)`,format(atan(1),6) AS `format(atan(1),6)`
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select degrees(pi()),radians(360);
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degrees(pi()) radians(360)
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180 6.28318530717959
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select format(atan(-2, 2), 6);
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format(atan(-2, 2), 6)
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-0.785398
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select format(atan(pi(), 0), 6);
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format(atan(pi(), 0), 6)
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1.570796
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select format(atan2(-2, 2), 6);
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format(atan2(-2, 2), 6)
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-0.785398
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select format(atan2(pi(), 0), 6);
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format(atan2(pi(), 0), 6)
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1.570796
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SELECT ACOS(1.0);
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ACOS(1.0)
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0
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SELECT ASIN(1.0);
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ASIN(1.0)
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1.5707963267949
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SELECT ACOS(0.2*5.0);
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ACOS(0.2*5.0)
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0
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SELECT ACOS(0.5*2.0);
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ACOS(0.5*2.0)
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0
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SELECT ASIN(0.8+0.2);
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ASIN(0.8+0.2)
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1.5707963267949
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SELECT ASIN(1.2-0.2);
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ASIN(1.2-0.2)
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1.5707963267949
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select format(4.55, 1), format(4.551, 1);
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format(4.55, 1) format(4.551, 1)
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4.6 4.6
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explain extended select degrees(pi()),radians(360);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select degrees(pi()) AS `degrees(pi())`,radians(360) AS `radians(360)`
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select rand(rand);
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ERROR 42S22: Unknown column 'rand' in 'field list'
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create table t1 (col1 int, col2 decimal(60,30));
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insert into t1 values(1,1234567890.12345);
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select format(col2,7) from t1;
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format(col2,7)
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1,234,567,890.1234500
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select format(col2,8) from t1;
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format(col2,8)
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1,234,567,890.12345000
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insert into t1 values(7,1234567890123456.12345);
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select format(col2,6) from t1 where col1=7;
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format(col2,6)
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1,234,567,890,123,456.123450
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drop table t1;
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select ceil(0.09);
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ceil(0.09)
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1
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select ceil(0.000000000000000009);
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ceil(0.000000000000000009)
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1
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create table t1 select round(1, 6);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`round(1, 6)` int(1) NOT NULL DEFAULT '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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select * from t1;
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round(1, 6)
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1
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drop table t1;
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select abs(-2) * -2;
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abs(-2) * -2
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-4
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1),(1),(1),(2);
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SELECT CAST(RAND(2) * 1000 AS UNSIGNED), CAST(RAND(a) * 1000 AS UNSIGNED)
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FROM t1;
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CAST(RAND(2) * 1000 AS UNSIGNED) CAST(RAND(a) * 1000 AS UNSIGNED)
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656 405
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122 405
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645 405
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858 656
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SELECT CAST(RAND(2) * 1000 AS UNSIGNED), CAST(RAND(a) * 1000 AS UNSIGNED)
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FROM t1 WHERE a = 1;
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CAST(RAND(2) * 1000 AS UNSIGNED) CAST(RAND(a) * 1000 AS UNSIGNED)
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656 405
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122 405
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645 405
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INSERT INTO t1 VALUES (3);
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SELECT CAST(RAND(2) * 1000 AS UNSIGNED), CAST(RAND(a) * 1000 AS UNSIGNED)
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FROM t1;
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CAST(RAND(2) * 1000 AS UNSIGNED) CAST(RAND(a) * 1000 AS UNSIGNED)
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656 405
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122 405
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645 405
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858 656
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354 906
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SELECT CAST(RAND(2) * 1000 AS UNSIGNED), CAST(RAND(a) * 1000 AS UNSIGNED)
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FROM t1 WHERE a = 1;
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CAST(RAND(2) * 1000 AS UNSIGNED) CAST(RAND(a) * 1000 AS UNSIGNED)
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656 405
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122 405
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645 405
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PREPARE stmt FROM
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"SELECT CAST(RAND(2) * 1000 AS UNSIGNED), CAST(RAND(?) * 1000 AS UNSIGNED)
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FROM t1 WHERE a = 1";
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set @var=2;
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EXECUTE stmt USING @var;
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CAST(RAND(2) * 1000 AS UNSIGNED) CAST(RAND(?) * 1000 AS UNSIGNED)
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656 656
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122 122
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645 645
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DROP TABLE t1;
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create table t1 (a varchar(90), ts datetime not null, index (a)) engine=innodb default charset=utf8;
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insert into t1 values ('http://www.foo.com/', now());
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select a from t1 where a='http://www.foo.com/' order by abs(timediff(ts, 0));
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a
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http://www.foo.com/
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drop table t1;
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set sql_mode='traditional';
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select ln(-1);
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ln(-1)
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NULL
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Warnings:
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Error 1365 Division by 0
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select log10(-1);
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log10(-1)
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NULL
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Warnings:
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Error 1365 Division by 0
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select log2(-1);
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log2(-1)
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NULL
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Warnings:
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Error 1365 Division by 0
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select log(2,-1);
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log(2,-1)
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NULL
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Warnings:
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Error 1365 Division by 0
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select log(-2,1);
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log(-2,1)
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NULL
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Warnings:
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Error 1365 Division by 0
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set sql_mode='';
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select round(111,-10);
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round(111,-10)
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0
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select round(-5000111000111000155,-1);
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round(-5000111000111000155,-1)
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-5000111000111000160
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select round(15000111000111000155,-1);
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round(15000111000111000155,-1)
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15000111000111000160
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select truncate(-5000111000111000155,-1);
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truncate(-5000111000111000155,-1)
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-5000111000111000150
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select truncate(15000111000111000155,-1);
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truncate(15000111000111000155,-1)
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15000111000111000150
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set names utf8;
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create table t1
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(f1 varchar(32) not null,
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f2 smallint(5) unsigned not null,
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f3 int(10) unsigned not null default '0')
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engine=myisam default charset=utf8;
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insert into t1 values ('zombie',0,0),('gold',1,10000),('silver',2,10000);
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create table t2
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(f1 int(10) unsigned not null,
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f2 int(10) unsigned not null,
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f3 smallint(5) unsigned not null)
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engine=myisam default charset=utf8;
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insert into t2 values (16777216,16787215,1),(33554432,33564431,2);
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select format(t2.f2-t2.f1+1,0) from t1,t2
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where t1.f2 = t2.f3 order by t1.f1;
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format(t2.f2-t2.f1+1,0)
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10,000
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|
|
10,000
|
||
|
|
drop table t1, t2;
|
||
|
|
set names default;
|
||
|
|
select cast(-2 as unsigned), 18446744073709551614, -2;
|
||
|
|
cast(-2 as unsigned) 18446744073709551614 -2
|
||
|
|
18446744073709551614 18446744073709551614 -2
|
||
|
|
select abs(cast(-2 as unsigned)), abs(18446744073709551614), abs(-2);
|
||
|
|
abs(cast(-2 as unsigned)) abs(18446744073709551614) abs(-2)
|
||
|
|
18446744073709551614 18446744073709551614 2
|
||
|
|
select ceiling(cast(-2 as unsigned)), ceiling(18446744073709551614), ceiling(-2);
|
||
|
|
ceiling(cast(-2 as unsigned)) ceiling(18446744073709551614) ceiling(-2)
|
||
|
|
18446744073709551614 18446744073709551614 -2
|
||
|
|
select floor(cast(-2 as unsigned)), floor(18446744073709551614), floor(-2);
|
||
|
|
floor(cast(-2 as unsigned)) floor(18446744073709551614) floor(-2)
|
||
|
|
18446744073709551614 18446744073709551614 -2
|
||
|
|
select format(cast(-2 as unsigned), 2), format(18446744073709551614, 2), format(-2, 2);
|
||
|
|
format(cast(-2 as unsigned), 2) format(18446744073709551614, 2) format(-2, 2)
|
||
|
|
18,446,744,073,709,551,614.00 18,446,744,073,709,551,614.00 -2.00
|
||
|
|
select sqrt(cast(-2 as unsigned)), sqrt(18446744073709551614), sqrt(-2);
|
||
|
|
sqrt(cast(-2 as unsigned)) sqrt(18446744073709551614) sqrt(-2)
|
||
|
|
4294967296 4294967296 NULL
|
||
|
|
select round(cast(-2 as unsigned), 1), round(18446744073709551614, 1), round(-2, 1);
|
||
|
|
round(cast(-2 as unsigned), 1) round(18446744073709551614, 1) round(-2, 1)
|
||
|
|
18446744073709551614 18446744073709551614 -2
|
||
|
|
select round(4, cast(-2 as unsigned)), round(4, 18446744073709551614), round(4, -2);
|
||
|
|
round(4, cast(-2 as unsigned)) round(4, 18446744073709551614) round(4, -2)
|
||
|
|
4 4 0
|
||
|
|
select truncate(cast(-2 as unsigned), 1), truncate(18446744073709551614, 1), truncate(-2, 1);
|
||
|
|
truncate(cast(-2 as unsigned), 1) truncate(18446744073709551614, 1) truncate(-2, 1)
|
||
|
|
18446744073709551614 18446744073709551614 -2
|
||
|
|
select truncate(4, cast(-2 as unsigned)), truncate(4, 18446744073709551614), truncate(4, -2);
|
||
|
|
truncate(4, cast(-2 as unsigned)) truncate(4, 18446744073709551614) truncate(4, -2)
|
||
|
|
4 4 0
|
||
|
|
select round(10000000000000000000, -19), truncate(10000000000000000000, -19);
|
||
|
|
round(10000000000000000000, -19) truncate(10000000000000000000, -19)
|
||
|
|
10000000000000000000 10000000000000000000
|
||
|
|
select round(1e0, -309), truncate(1e0, -309);
|
||
|
|
round(1e0, -309) truncate(1e0, -309)
|
||
|
|
0 0
|
||
|
|
select round(1e1,308), truncate(1e1, 308);
|
||
|
|
round(1e1,308) truncate(1e1, 308)
|
||
|
|
10 10
|
||
|
|
select round(1e1, 2147483648), truncate(1e1, 2147483648);
|
||
|
|
round(1e1, 2147483648) truncate(1e1, 2147483648)
|
||
|
|
10 10
|
||
|
|
select round(1.1e1, 4294967295), truncate(1.1e1, 4294967295);
|
||
|
|
round(1.1e1, 4294967295) truncate(1.1e1, 4294967295)
|
||
|
|
11 11
|
||
|
|
select round(1.12e1, 4294967296), truncate(1.12e1, 4294967296);
|
||
|
|
round(1.12e1, 4294967296) truncate(1.12e1, 4294967296)
|
||
|
|
11.2 11.2
|
||
|
|
select round(1.5, 2147483640), truncate(1.5, 2147483640);
|
||
|
|
round(1.5, 2147483640) truncate(1.5, 2147483640)
|
||
|
|
1.500000000000000000000000000000 1.500000000000000000000000000000
|
||
|
|
select round(1.5, -2147483649), round(1.5, 2147483648);
|
||
|
|
round(1.5, -2147483649) round(1.5, 2147483648)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select truncate(1.5, -2147483649), truncate(1.5, 2147483648);
|
||
|
|
truncate(1.5, -2147483649) truncate(1.5, 2147483648)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select round(1.5, -4294967296), round(1.5, 4294967296);
|
||
|
|
round(1.5, -4294967296) round(1.5, 4294967296)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select truncate(1.5, -4294967296), truncate(1.5, 4294967296);
|
||
|
|
truncate(1.5, -4294967296) truncate(1.5, 4294967296)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select round(1.5, -9223372036854775808), round(1.5, 9223372036854775808);
|
||
|
|
round(1.5, -9223372036854775808) round(1.5, 9223372036854775808)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select truncate(1.5, -9223372036854775808), truncate(1.5, 9223372036854775808);
|
||
|
|
truncate(1.5, -9223372036854775808) truncate(1.5, 9223372036854775808)
|
||
|
|
0 1.500000000000000000000000000000
|
||
|
|
select round(1.5, 18446744073709551615), truncate(1.5, 18446744073709551615);
|
||
|
|
round(1.5, 18446744073709551615) truncate(1.5, 18446744073709551615)
|
||
|
|
1.500000000000000000000000000000 1.500000000000000000000000000000
|
||
|
|
select round(18446744073709551614, -1), truncate(18446744073709551614, -1);
|
||
|
|
round(18446744073709551614, -1) truncate(18446744073709551614, -1)
|
||
|
|
18446744073709551610 18446744073709551610
|
||
|
|
select round(4, -4294967200), truncate(4, -4294967200);
|
||
|
|
round(4, -4294967200) truncate(4, -4294967200)
|
||
|
|
0 0
|
||
|
|
select mod(cast(-2 as unsigned), 3), mod(18446744073709551614, 3), mod(-2, 3);
|
||
|
|
mod(cast(-2 as unsigned), 3) mod(18446744073709551614, 3) mod(-2, 3)
|
||
|
|
2 2 -2
|
||
|
|
select mod(5, cast(-2 as unsigned)), mod(5, 18446744073709551614), mod(5, -2);
|
||
|
|
mod(5, cast(-2 as unsigned)) mod(5, 18446744073709551614) mod(5, -2)
|
||
|
|
5 5 1
|
||
|
|
select pow(cast(-2 as unsigned), 5), pow(18446744073709551614, 5), pow(-2, 5);
|
||
|
|
pow(cast(-2 as unsigned), 5) pow(18446744073709551614, 5) pow(-2, 5)
|
||
|
|
2.13598703592091e+96 2.13598703592091e+96 -32
|
||
|
|
CREATE TABLE t1 (a timestamp, b varchar(20), c bit(1));
|
||
|
|
INSERT INTO t1 VALUES('1998-09-23', 'str1', 1), ('2003-03-25', 'str2', 0);
|
||
|
|
SELECT a DIV 900 y FROM t1 GROUP BY y;
|
||
|
|
y
|
||
|
|
22201025555
|
||
|
|
22255916666
|
||
|
|
SELECT DISTINCT a DIV 900 y FROM t1;
|
||
|
|
y
|
||
|
|
22201025555
|
||
|
|
22255916666
|
||
|
|
SELECT b DIV 900 y FROM t1 GROUP BY y;
|
||
|
|
y
|
||
|
|
0
|
||
|
|
SELECT c DIV 900 y FROM t1 GROUP BY y;
|
||
|
|
y
|
||
|
|
0
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1(a LONGBLOB);
|
||
|
|
INSERT INTO t1 VALUES('1'),('2'),('3');
|
||
|
|
SELECT DISTINCT (a DIV 254576881) FROM t1;
|
||
|
|
(a DIV 254576881)
|
||
|
|
0
|
||
|
|
SELECT (a DIV 254576881) FROM t1 UNION ALL
|
||
|
|
SELECT (a DIV 254576881) FROM t1;
|
||
|
|
(a DIV 254576881)
|
||
|
|
0
|
||
|
|
0
|
||
|
|
0
|
||
|
|
0
|
||
|
|
0
|
||
|
|
0
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1(a SET('a','b','c'));
|
||
|
|
INSERT INTO t1 VALUES ('a');
|
||
|
|
SELECT a DIV 2 FROM t1 UNION SELECT a DIV 2 FROM t1;
|
||
|
|
a DIV 2
|
||
|
|
0
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1 (a DOUBLE);
|
||
|
|
INSERT INTO t1 VALUES (-1.1), (1.1),
|
||
|
|
(-1.5), (1.5),
|
||
|
|
(-1.9), (1.9),
|
||
|
|
(-2.1), (2.1),
|
||
|
|
(-2.5), (2.5),
|
||
|
|
(-2.9), (2.9),
|
||
|
|
# Check numbers with absolute values > 2^53 - 1
|
||
|
|
# (see comments for MAX_EXACT_INTEGER)
|
||
|
|
(-1e16 - 0.5), (1e16 + 0.5),
|
||
|
|
(-1e16 - 1.5), (1e16 + 1.5);
|
||
|
|
SELECT a, ROUND(a) FROM t1;
|
||
|
|
a ROUND(a)
|
||
|
|
-1.1 -1
|
||
|
|
1.1 1
|
||
|
|
-1.5 -2
|
||
|
|
1.5 2
|
||
|
|
-1.9 -2
|
||
|
|
1.9 2
|
||
|
|
-2.1 -2
|
||
|
|
2.1 2
|
||
|
|
-2.5 -2
|
||
|
|
2.5 2
|
||
|
|
-2.9 -3
|
||
|
|
2.9 3
|
||
|
|
-1e+16 -10000000000000000
|
||
|
|
1e+16 10000000000000000
|
||
|
|
-1e+16 -10000000000000002
|
||
|
|
1e+16 10000000000000002
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1(f1 LONGTEXT) engine=myisam;
|
||
|
|
INSERT INTO t1 VALUES ('a');
|
||
|
|
SELECT 1 FROM (SELECT ROUND(f1) AS a FROM t1) AS s WHERE a LIKE 'a';
|
||
|
|
1
|
||
|
|
SELECT 1 FROM (SELECT ROUND(f1, f1) AS a FROM t1) AS s WHERE a LIKE 'a';
|
||
|
|
1
|
||
|
|
DROP TABLE t1;
|
||
|
|
End of 5.0 tests
|
||
|
|
SELECT 1e308 + 1e308;
|
||
|
|
1e308 + 1e308
|
||
|
|
NULL
|
||
|
|
SELECT -1e308 - 1e308;
|
||
|
|
-1e308 - 1e308
|
||
|
|
NULL
|
||
|
|
SELECT 1e300 * 1e300;
|
||
|
|
1e300 * 1e300
|
||
|
|
NULL
|
||
|
|
SELECT 1e300 / 1e-300;
|
||
|
|
1e300 / 1e-300
|
||
|
|
NULL
|
||
|
|
SELECT EXP(750);
|
||
|
|
EXP(750)
|
||
|
|
NULL
|
||
|
|
SELECT POW(10, 309);
|
||
|
|
POW(10, 309)
|
||
|
|
NULL
|
||
|
|
#
|
||
|
|
# Bug #44768: SIGFPE crash when selecting rand from a view
|
||
|
|
# containing null
|
||
|
|
#
|
||
|
|
CREATE OR REPLACE VIEW v1 AS SELECT NULL AS a;
|
||
|
|
SELECT RAND(a) FROM v1;
|
||
|
|
RAND(a)
|
||
|
|
0.155220427694936
|
||
|
|
DROP VIEW v1;
|
||
|
|
SELECT RAND(a) FROM (SELECT NULL AS a) b;
|
||
|
|
RAND(a)
|
||
|
|
0.155220427694936
|
||
|
|
CREATE TABLE t1 (i INT);
|
||
|
|
INSERT INTO t1 VALUES (NULL);
|
||
|
|
SELECT RAND(i) FROM t1;
|
||
|
|
RAND(i)
|
||
|
|
0.155220427694936
|
||
|
|
DROP TABLE t1;
|
||
|
|
#
|
||
|
|
# Bug#57477 SIGFPE when dividing a huge number a negative number
|
||
|
|
#
|
||
|
|
SELECT -9999999999999999991 DIV -1;
|
||
|
|
-9999999999999999991 DIV -1
|
||
|
|
-9223372036854775808
|
||
|
|
Warnings:
|
||
|
|
Error 1292 Truncated incorrect DECIMAL value: ''
|
||
|
|
SELECT -9223372036854775808 DIV -1;
|
||
|
|
-9223372036854775808 DIV -1
|
||
|
|
-9223372036854775808
|
||
|
|
SELECT -9223372036854775808 MOD -1;
|
||
|
|
-9223372036854775808 MOD -1
|
||
|
|
0
|
||
|
|
SELECT -9223372036854775808999 MOD -1;
|
||
|
|
-9223372036854775808999 MOD -1
|
||
|
|
0
|
||
|
|
#
|
||
|
|
# Bug#57810 case/when/then : Assertion failed: length || !scale
|
||
|
|
#
|
||
|
|
SELECT CASE(('')) WHEN (CONVERT(1, CHAR(1))) THEN (('' / 1)) END;
|
||
|
|
CASE(('')) WHEN (CONVERT(1, CHAR(1))) THEN (('' / 1)) END
|
||
|
|
NULL
|
||
|
|
CREATE TABLE t1 SELECT CAST((CASE(('')) WHEN (CONVERT(1, CHAR(1))) THEN (('' / 1)) END) AS CHAR) as C;
|
||
|
|
SHOW CREATE TABLE t1;
|
||
|
|
Table Create Table
|
||
|
|
t1 CREATE TABLE `t1` (
|
||
|
|
`C` varchar(23) DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
DROP TABLE t1;
|
||
|
|
#
|
||
|
|
# Bug#11764994 57900: CREATE TABLE .. SELECT ASSERTS SCALE >= 0 && PRECISION > 0 && SCALE <= PR
|
||
|
|
#
|
||
|
|
CREATE TABLE t1 SELECT CEIL(LINESTRINGFROMWKB(1) DIV NULL);
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1 SELECT FLOOR(LINESTRINGFROMWKB(1) DIV NULL);
|
||
|
|
DROP TABLE t1;
|
||
|
|
#
|
||
|
|
# Bug#11765923 58937: MANY VALGRIND ERRORS AFTER GROUPING BY RESULT OF DECIMAL COLUMN FUNCTION
|
||
|
|
#
|
||
|
|
CREATE TABLE t1(f1 DECIMAL(22,1));
|
||
|
|
INSERT INTO t1 VALUES (0),(1);
|
||
|
|
SELECT ROUND(f1, f1) FROM t1;
|
||
|
|
ROUND(f1, f1)
|
||
|
|
0.0
|
||
|
|
1.0
|
||
|
|
SELECT ROUND(f1, f1) FROM t1 GROUP BY 1;
|
||
|
|
ROUND(f1, f1)
|
||
|
|
0.0
|
||
|
|
1.0
|
||
|
|
DROP TABLE t1;
|
||
|
|
#
|
||
|
|
# Bug#11764671 57533: UNINITIALISED VALUES IN COPY_AND_CONVERT (SQL_STRING.CC) WITH CERTAIN CHA
|
||
|
|
#
|
||
|
|
SELECT ROUND(LEAST(15, -4939092, 0.2704), STDDEV('a'));
|
||
|
|
ROUND(LEAST(15, -4939092, 0.2704), STDDEV('a'))
|
||
|
|
-4939092.0000
|
||
|
|
Warnings:
|
||
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'a'
|
||
|
|
#
|
||
|
|
# Bug#12392636 ASSERTION FAILED: SCALE >= 0 && PRECISION > 0 && SCALE <= PRECISION
|
||
|
|
#
|
||
|
|
SELECT SUM(DISTINCT (TRUNCATE((.1), NULL)));
|
||
|
|
SUM(DISTINCT (TRUNCATE((.1), NULL)))
|
||
|
|
NULL
|
||
|
|
End of 5.1 tests
|