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*: make 'cast' get the correct charset and collate (#15146)

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This commit is contained in:
wjHuang
2020-09-03 15:23:21 +08:00
committed by GitHub
parent f25360e3be
commit b6ae01ac61
1 changed files with 7 additions and 0 deletions
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7
expression/integration_test.go
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@ -6350,6 +6350,13 @@ func (s *testIntegrationSerialSuite) TestCollateStringFunction(c *C) {
tk.MustQuery("select FIND_IN_SET('a','b,a ,c,d' collate utf8mb4_bin);").Check(testkit.Rows("2"))
tk.MustQuery("select FIND_IN_SET('a','b,A,c,d' collate utf8mb4_general_ci);").Check(testkit.Rows("2"))
tk.MustQuery("select FIND_IN_SET('a','b,a ,c,d' collate utf8mb4_general_ci);").Check(testkit.Rows("2"))
tk.MustExec("set names utf8mb4 collate utf8mb4_general_ci;")
tk.MustQuery("select collation(cast('a' as char));").Check(testkit.Rows("utf8mb4_general_ci"))
tk.MustQuery("select collation(cast('a' as binary));").Check(testkit.Rows("binary"))
tk.MustQuery("select collation(cast('a' collate utf8mb4_bin as char));").Check(testkit.Rows("utf8mb4_general_ci"))
tk.MustQuery("select collation(cast('a' collate utf8mb4_bin as binary));").Check(testkit.Rows("binary"))
tk.MustQuery("select FIND_IN_SET('a','b,A,c,d' collate utf8mb4_unicode_ci);").Check(testkit.Rows("2"))
tk.MustQuery("select FIND_IN_SET('a','b,a ,c,d' collate utf8mb4_unicode_ci);").Check(testkit.Rows("2"))