53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Package database define database operation functions
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package database
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import (
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"context"
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"time"
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"modelRT/logger"
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"modelRT/orm"
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"modelRT/sql"
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"github.com/gofrs/uuid"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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// QueryTopologic return the topologic info of the circuit diagram
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func QueryTopologic(ctx context.Context, tx *gorm.DB) ([]orm.Topologic, error) {
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var topologics []orm.Topologic
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// ctx超时判断
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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result := tx.WithContext(cancelCtx).
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Clauses(clause.Locking{Strength: "UPDATE"}).
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Find(&topologics)
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if result.Error != nil {
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logger.Error(ctx, "query circuit diagram topologic info failed", "error", result.Error)
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return nil, result.Error
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}
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return topologics, nil
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}
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// QueryTopologicByStartUUID returns all directed edges reachable from startUUID.
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// It is used by point-to-point topology reachability checks and intentionally
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// does not depend on the legacy all-zero UUID virtual root.
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func QueryTopologicByStartUUID(ctx context.Context, tx *gorm.DB, startUUID uuid.UUID) ([]orm.Topologic, error) {
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var topologics []orm.Topologic
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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result := tx.WithContext(cancelCtx).
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Clauses(clause.Locking{Strength: "UPDATE"}).
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Raw(sql.RecursiveTopologicByStartSQL, startUUID).
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Scan(&topologics)
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if result.Error != nil {
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logger.Error(ctx, "query topologic by start uuid failed", "start_uuid", startUUID, "error", result.Error)
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return nil, result.Error
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}
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return topologics, nil
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}
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