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#
# Tests for the Performance Schema native function format_bytes()
#
SELECT format_bytes(NULL);
format_bytes(NULL)
NULL
SELECT format_bytes(0);
format_bytes(0)
0 bytes
SELECT format_bytes(1);
format_bytes(1)
1 bytes
SELECT format_bytes(1023);
format_bytes(1023)
1023 bytes
SELECT format_bytes(1024);
format_bytes(1024)
1.00 KiB
SELECT format_bytes(1025);
format_bytes(1025)
1.00 KiB
SELECT format_bytes(1024 * 1024 - 200);
format_bytes(1024 * 1024 - 200)
1023.80 KiB
SELECT format_bytes(1024 * 1024 - 1);
format_bytes(1024 * 1024 - 1)
1024.00 KiB
SELECT format_bytes(1024 * 1024);
format_bytes(1024 * 1024)
1.00 MiB
SELECT format_bytes(1024 * 1024 + 1);
format_bytes(1024 * 1024 + 1)
1.00 MiB
SELECT format_bytes(1024 * 1024 + 200);
format_bytes(1024 * 1024 + 200)
1.00 MiB
SELECT format_bytes(1024 * 1024 * 1024 - 1);
format_bytes(1024 * 1024 * 1024 - 1)
1024.00 MiB
SELECT format_bytes(1024 * 1024 * 1024);
format_bytes(1024 * 1024 * 1024)
1.00 GiB
SELECT format_bytes(1024 * 1024 * 1024 + 1);
format_bytes(1024 * 1024 * 1024 + 1)
1.00 GiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024 - 1);
format_bytes(1024 * 1024 * 1024 * 1024 - 1)
1024.00 GiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024);
format_bytes(1024 * 1024 * 1024 * 1024)
1.00 TiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024 + 1);
format_bytes(1024 * 1024 * 1024 * 1024 + 1)
1.00 TiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024 * 1024 - 1);
format_bytes(1024 * 1024 * 1024 * 1024 * 1024 - 1)
1024.00 TiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024 * 1024);
format_bytes(1024 * 1024 * 1024 * 1024 * 1024)
1.00 PiB
SELECT format_bytes(1024 * 1024 * 1024 * 1024 * 1024 + 1);
format_bytes(1024 * 1024 * 1024 * 1024 * 1024 + 1)
1.00 PiB
SELECT format_bytes(power(2, 63));
format_bytes(power(2, 63))
8.00 EiB
## 1024^6 Eib
SELECT format_bytes(1152921504606846976-1);
format_bytes(1152921504606846976-1)
1.00 EiB
SELECT format_bytes(x'1000000000000000'-1);
format_bytes(x'1000000000000000'-1)
1.00 EiB
SELECT format_bytes(1180591620717411434000);
format_bytes(1180591620717411434000)
1024.00 EiB
## Negative values are ok
SELECT format_bytes(1024 * 1024 * -1);
format_bytes(1024 * 1024 * -1)
-1.00 MiB
## Force exponent format
SELECT format_bytes(118059162071741143500099);
format_bytes(118059162071741143500099)
1.02e+05 EiB
SELECT format_bytes(-118059162071741143500099);
format_bytes(-118059162071741143500099)
-1.02e+05 EiB
SELECT format_bytes(pow(2,400));
format_bytes(pow(2,400))
2.24e+102 EiB
## Valid hybrid number
SELECT format_bytes((pow(2, 63) - 1) * 2 + 1);
format_bytes((pow(2, 63) - 1) * 2 + 1)
16.00 EiB
## Text input
SELECT format_bytes("foo");
format_bytes("foo")
0 bytes
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'foo'
SELECT format_bytes("");
format_bytes("")
0 bytes
SELECT format_bytes("118059162071741143500099");
format_bytes("118059162071741143500099")
1.02e+05 EiB
SELECT format_bytes("-118059162071741143500099");
format_bytes("-118059162071741143500099")
-1.02e+05 EiB
## Recognizes up to first non-numeric
SELECT format_bytes("40000 * 2000");
format_bytes("40000 * 2000")
39.06 KiB
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '40000 * 2000'
SELECT format_bytes("40000 foo 2000");
format_bytes("40000 foo 2000")
39.06 KiB
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '40000 foo 2000'
## Aggregate functions
USE test;
CREATE TABLE memory_counts (id VARCHAR(10), bytes BIGINT UNSIGNED DEFAULT NULL) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
INSERT INTO memory_counts VALUES ('Bytes', 512);
INSERT INTO memory_counts VALUES ('10 KiB', 10 * 1024);
INSERT INTO memory_counts VALUES ('20 MiB', 20 * pow(1024,2));
SELECT sum(bytes), format_bytes(sum(bytes)) FROM memory_counts;
sum(bytes) format_bytes(sum(bytes))
20982272 20.01 MiB
INSERT INTO memory_counts VALUES ('30 GiB', 30 * pow(1024,3));
SELECT sum(bytes), format_bytes(sum(bytes)) FROM memory_counts;
sum(bytes) format_bytes(sum(bytes))
32233236992 30.02 GiB
INSERT INTO memory_counts VALUES ('40 TiB', 40 * pow(1024,4));
SELECT sum(bytes), format_bytes(sum(bytes)) FROM memory_counts;
sum(bytes) format_bytes(sum(bytes))
44012698348032 40.03 TiB
INSERT INTO memory_counts VALUES ('50 PiB', 50 * pow(1024,5));
SELECT sum(bytes), format_bytes(sum(bytes)) FROM memory_counts;
sum(bytes) format_bytes(sum(bytes))
56339008040479232 50.04 PiB
INSERT INTO memory_counts VALUES ('1 EiB', pow(1024,6));
SELECT id, format_bytes(bytes), bytes FROM memory_counts;
id format_bytes(bytes) bytes
Bytes 512 bytes 512
10 KiB 10.00 KiB 10240
20 MiB 20.00 MiB 20971520
30 GiB 30.00 GiB 32212254720
40 TiB 40.00 TiB 43980465111040
50 PiB 50.00 PiB 56294995342131200
1 EiB 1.00 EiB 1152921504606846976
SELECT sum(bytes), format_bytes(sum(bytes)) FROM memory_counts;
sum(bytes) format_bytes(sum(bytes))
1209260512647326208 1.05 EiB
SELECT avg(bytes), format_bytes(avg(bytes)) FROM memory_counts;
avg(bytes) format_bytes(avg(bytes))
172751501806760886.8571 153.43 PiB
SELECT max(bytes), format_bytes(max(bytes)) FROM memory_counts;
max(bytes) format_bytes(max(bytes))
1152921504606846976 1.00 EiB
SELECT min(bytes), format_bytes(min(bytes)) FROM memory_counts;
min(bytes) format_bytes(min(bytes))
512 512 bytes
DROP TABLE memory_counts;
## Handling of NULL (bug#30525561)
SELECT mybytes,
FORMAT_BYTES(mybytes) AS PS_BYTES,
sys.format_bytes(mybytes) AS SYS_BYTES
FROM (SELECT 1234 AS mybytes
UNION ALL
SELECT 1234567890
UNION ALL
SELECT NULL
UNION ALL
SELECT 1234
UNION ALL
SELECT 1234567890
) t;
mybytes PS_BYTES SYS_BYTES
1234 1.21 KiB 1.21 KiB
1234567890 1.15 GiB 1.15 GiB
NULL NULL NULL
1234 1.21 KiB 1.21 KiB
1234567890 1.15 GiB 1.15 GiB
Warnings:
Note 1585 This function 'format_bytes' has the same name as a native function
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