*: fix upper-cased charset and collation name #301
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lonng
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Apr 28, 2019
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addressed, PTAL @lonng @crazycs520 |
crazycs520
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Apr 28, 2019
| // TiDB always suppose all charsets / collations as lower-cased and try to convert them if they're not. | ||
| // However, the convert is missed in some scenarios before v2.1.9, so for all those tables prior to TableInfoVersion3, their | ||
| // charsets / collations will be converted to lower-case while loading from the storage. | ||
| TableInfoVersion3 = uint16(3) |
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Should we update column version too?
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IMHO it's not necessary, after all string case convert is not a heavy opeartion, using only TableInfoVersion makes the codes simple and clear.
crazycs520
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Apr 28, 2019
charset/charset_test.go
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| @@ -165,4 +178,5 @@ func BenchmarkGetCharsetDesc(b *testing.B) { | |||
| for i := 0; i < b.N; i++ { | |||
| GetCharsetDesc(cs) | |||
| } | |||
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hi @crazycs520 , please check my replys for your comments, thanks! |
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What problem does this PR solve?
This PR aims to fix the following 3 potential issues:
Validate collate name in parser and convert the name to lower case, as how charset is handled:
parser/parser.y
Line 5887 in e2cdb85
Added a new
TableInfoVersion3Added
utf8mb4_0900_ai_ciinmysqlpackage, as a tiny fix for suspend unknown collation id 255 error #294What is changed and how it works?
As stated above
Check List
Tests
Code changes
Side effects