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local.go
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local.go
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//go:build !collations_library
/*
Copyright 2021 The Vitess Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package collations
import (
"vitess.io/vitess/go/sqltypes"
)
// MySQL8 is the collation Environment for MySQL 8. This should
// only be used for testing where we know it's safe to use this
// version, and we don't need a specific other version.
func MySQL8() *Environment {
return fetchCacheEnvironment(collverMySQL8)
}
func CollationForType(t sqltypes.Type, fallback ID) ID {
switch {
case sqltypes.IsText(t):
return fallback
case t == sqltypes.TypeJSON:
return CollationUtf8mb4ID
default:
return CollationBinaryID
}
}