mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 04:22:27 +01:00
71f8ca654e
(a bug in upstream)
66 lines
2.2 KiB
SQL
66 lines
2.2 KiB
SQL
select @@collation_connection;
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#
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# MDEV-5180 Data type for WEIGHT_STRING is too short in some cases
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#
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CREATE TABLE t1 AS SELECT 'a' AS a;
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SHOW CREATE TABLE t1;
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CREATE TABLE t2 AS SELECT WEIGHT_STRING(a) AS ws FROM t1;
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SHOW CREATE TABLE t2;
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SELECT HEX(WEIGHT_STRING(a)) FROM t1;
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SELECT HEX(ws) FROM t2;
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DROP TABLE t2;
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DROP TABLE t1;
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CREATE TABLE t1 AS SELECT REPEAT('a',5) AS a;
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SHOW CREATE TABLE t1;
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CREATE TABLE t2 AS SELECT WEIGHT_STRING(a) AS ws FROM t1;
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SHOW CREATE TABLE t2;
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SELECT HEX(WEIGHT_STRING(a)) FROM t1;
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SELECT HEX(ws) FROM t2;
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DROP TABLE t2;
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CREATE TABLE t2 AS SELECT WEIGHT_STRING(a AS CHAR(3)) AS ws FROM t1;
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SHOW CREATE TABLE t2;
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SELECT HEX(WEIGHT_STRING(a AS CHAR(3))) FROM t1;
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SELECT HEX(ws) FROM t2;
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DROP TABLE t2;
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CREATE TABLE t2 AS SELECT WEIGHT_STRING(a AS CHAR(10)) AS ws FROM t1;
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SHOW CREATE TABLE t2;
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SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
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SELECT HEX(ws) FROM t2;
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DROP TABLE t2;
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DROP TABLE t1;
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#
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# End of MDEV-5180
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#
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select hex(weight_string('a'));
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select hex(weight_string('A'));
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select hex(weight_string('abc'));
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select hex(weight_string('abc' as char(2)));
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select hex(weight_string('abc' as char(3)));
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select hex(weight_string('abc' as char(5)));
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# Read 2 characters from the source string (the last character is not used).
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select hex(weight_string('abc', 1, 2, 0xC0));
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select hex(weight_string('abc', 2, 2, 0xC0));
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select hex(weight_string('abc', 3, 2, 0xC0));
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select hex(weight_string('abc', 4, 2, 0xC0));
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select hex(weight_string('abc', 5, 2, 0xC0));
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select hex(weight_string('abc',25, 2, 0xC0));
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# Read 3 characters from the source string (the entire string is used).
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select hex(weight_string('abc', 1, 3, 0xC0));
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select hex(weight_string('abc', 2, 3, 0xC0));
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select hex(weight_string('abc', 3, 3, 0xC0));
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select hex(weight_string('abc', 4, 3, 0xC0));
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select hex(weight_string('abc', 5, 3, 0xC0));
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select hex(weight_string('abc',25, 3, 0xC0));
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# Read 4 characters from the source string (extra space is added)
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select hex(weight_string('abc', 1, 4, 0xC0));
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select hex(weight_string('abc', 2, 4, 0xC0));
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select hex(weight_string('abc', 3, 4, 0xC0));
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select hex(weight_string('abc', 4, 4, 0xC0));
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select hex(weight_string('abc', 5, 4, 0xC0));
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select hex(weight_string('abc',25, 4, 0xC0));
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