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35 lines
2 KiB
Text
35 lines
2 KiB
Text
set global sql_mode="";
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set local sql_mode="";
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alter table mysql.user modify User char(16) binary not null default '';
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alter table mysql.db modify User char(16) binary not null default '';
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alter table mysql.tables_priv modify User char(16) binary not null default '';
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alter table mysql.columns_priv modify User char(16) binary not null default '';
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alter table mysql.procs_priv modify User char(16) binary not null default '';
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alter table mysql.proc modify definer char(77) collate utf8_bin not null default '';
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alter table mysql.event modify definer char(77) collate utf8_bin not null default '';
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flush privileges;
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select user();
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Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
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def user() 253 77 14 N 1 39 8
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user()
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root@localhost
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create user a17aaaaaaaaaaaaa0@localhost;
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ERROR HY000: String 'a17aaaaaaaaaaaaa0' is too long for user name (should be no longer than 16)
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grant usage on *.* to a17aaaaaaaaaaaaa0@lodalhost;
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ERROR HY000: String 'a17aaaaaaaaaaaaa0' is too long for user name (should be no longer than 16)
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drop user a17aaaaaaaaaaaaa0@lodalhost;
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ERROR HY000: String 'a17aaaaaaaaaaaaa0' is too long for user name (should be no longer than 16)
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alter table mysql.user modify User char(80) binary not null default '';
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alter table mysql.db modify User char(80) binary not null default '';
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alter table mysql.tables_priv modify User char(80) binary not null default '';
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alter table mysql.columns_priv modify User char(80) binary not null default '';
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alter table mysql.procs_priv modify User char(80) binary not null default '';
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alter table mysql.proc modify definer char(141) collate utf8_bin not null default '';
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alter table mysql.event modify definer char(141) collate utf8_bin not null default '';
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flush privileges;
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select user();
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Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
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def user() 253 141 14 N 1 39 8
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user()
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root@localhost
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set global sql_mode=default;
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