29 lines
790 B
Go
29 lines
790 B
Go
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package schema
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import "gorm.io/gorm"
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// BlocksMember 板块成分股。
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type BlocksMember 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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StockCode string `gorm:"type:varchar(50);not null;default:'';comment:股票代码;index" json:"stock_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 (BlocksMember) TableName() string {
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return "blocks_member"
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}
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// Key 成分在板块内的键：ti_code + stock_code。
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func (b *BlocksMember) Key() string {
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if b.TiCode == "" && b.StockCode == "" {
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return ""
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}
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return b.TiCode + "/" + b.StockCode
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}
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// HasWeight 是否带权重量化成分。
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func (b *BlocksMember) HasWeight() bool {
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return b.Weight > 0
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}
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