29 lines
812 B
Go
29 lines
812 B
Go
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package schema
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import "gorm.io/gorm"
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// DatasetBlocksMember 板块成分股。
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type DatasetBlocksMember struct {
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gorm.Model
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TiCode string `gorm:"type:varchar(50);not null;default:'';comment:板块代码;index" json:"ti_code"`
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TsCode string `gorm:"type:varchar(50);not null;default:'';comment:股票代码;index" json:"ts_code"`
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Weight float64 `gorm:"type:float;not null;default:0;comment:权重" json:"weight"`
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}
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func (DatasetBlocksMember) TableName() string {
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return "dataset_blocks_member"
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}
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// Key 成分在板块内的键：ti_code + ts_code。
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func (b *DatasetBlocksMember) Key() string {
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if b.TiCode == "" && b.TsCode == "" {
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return ""
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}
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return b.TiCode + "/" + b.TsCode
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}
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// HasWeight 是否带权重量化成分。
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func (b *DatasetBlocksMember) HasWeight() bool {
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return b.Weight > 0
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}
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