enhance(types):增加区间类型中关于空区间的判断。
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@ -134,3 +134,8 @@ func (dr DateRange) SafeLower() Date {
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return MinDate()
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}
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}
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func (dr DateRange) IsEmptyOrWild() bool {
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return (dr.LowerType == pgtype.Unbounded && dr.UpperType == pgtype.Unbounded) ||
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(dr.LowerType == pgtype.Empty && dr.UpperType == pgtype.Empty)
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}
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@ -112,3 +112,8 @@ func (dr *DateTimeRange) SetUpperUnbounded() {
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dr.Range.Upper = MaxDateTime()
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dr.Range.UpperType = pgtype.Unbounded
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}
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func (dr DateTimeRange) IsEmptyOrWild() bool {
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return (dr.Range.LowerType == pgtype.Unbounded && dr.Range.UpperType == pgtype.Unbounded) ||
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(dr.Range.LowerType == pgtype.Empty || dr.Range.UpperType == pgtype.Empty)
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}
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@ -15,6 +15,10 @@ type ToString interface {
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ToString() string
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}
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type CheckEmptyOrWild interface {
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IsEmptyOrWild() bool
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}
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// 将一个字符串拆解解析为一个 Postgresql 范围类型的值。
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func destructureToRange[T any, PT interface {
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Parse
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