62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// Copyright 2018 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package aggfuncs
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import (
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"github.com/pingcap/tidb/types"
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)
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type decimalSet map[types.MyDecimal]struct{}
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type float64Set map[float64]struct{}
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type stringSet map[string]struct{}
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func newDecimalSet() decimalSet {
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return make(map[types.MyDecimal]struct{})
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}
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func (s decimalSet) exist(val *types.MyDecimal) bool {
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_, ok := s[*val]
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return ok
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}
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func (s decimalSet) insert(val *types.MyDecimal) {
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s[*val] = struct{}{}
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}
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func newFloat64Set() float64Set {
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return make(map[float64]struct{})
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}
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func (s float64Set) exist(val float64) bool {
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_, ok := s[val]
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return ok
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}
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func (s float64Set) insert(val float64) {
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s[val] = struct{}{}
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}
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func newStringSet() stringSet {
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return make(map[string]struct{})
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}
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func (s stringSet) exist(val string) bool {
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_, ok := s[val]
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return ok
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}
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func (s stringSet) insert(val string) {
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s[val] = struct{}{}
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}
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