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Fix knowledge compiler Go port regressions (MySQL 1101 + Start deadlock) (#17599)

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Two regressions from #17536: (1) MySQL 8.0 AutoMigrate crash on
knowledge_compile_docs (Error 1101) from a TEXT default; (2) ingestor
Start() sync.Once re-entrant deadlock. Both fixed with regression tests.
This commit is contained in:
Zhichang Yu
2026-07-31 11:25:26 +08:00
committed by GitHub
parent cd964dd700
commit 650387b2fd
4 changed files with 68 additions and 9 deletions
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12
internal/entity/knowledge_compile_doc.go
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@@ -30,10 +30,14 @@ import "time"
// out-of-order / tombstone guards as the broker-based design without re-reading
// the queue.
type KnowledgeCompileDoc struct {
DatasetID string `gorm:"primaryKey;column:dataset_id;size:64" json:"dataset_id"`
TenantID string `gorm:"column:tenant_id;size:64;not null;default:''" json:"tenant_id"`
BacklogDocIDs string `gorm:"column:backlog_doc_ids;type:text;not null;default:'[]'" json:"backlog_doc_ids"`
InflightDocIDs string `gorm:"column:inflight_doc_ids;type:text;not null;default:'[]'" json:"inflight_doc_ids"`
DatasetID string `gorm:"primaryKey;column:dataset_id;size:64" json:"dataset_id"`
TenantID string `gorm:"column:tenant_id;size:64;not null;default:''" json:"tenant_id"`
// The *_doc_ids columns store a JSON array as TEXT. No DDL default is set:
// MySQL (8.0.13+) rejects a literal DEFAULT on TEXT/BLOB columns (Error
// 1101), and the application always writes "[]" explicitly on insert/update
// (scheduler.go FirstOrCreate / release paths), so the default is redundant.
BacklogDocIDs string `gorm:"column:backlog_doc_ids;type:text;not null" json:"backlog_doc_ids"`
InflightDocIDs string `gorm:"column:inflight_doc_ids;type:text;not null" json:"inflight_doc_ids"`
ClaimOwner string `gorm:"column:claim_owner;size:64;not null;default:''" json:"claim_owner"`
ClaimToken string `gorm:"column:claim_token;size:64;not null;default:''" json:"claim_token"`
ClaimExpiresAt *time.Time `gorm:"column:claim_expires_at;default:null" json:"claim_expires_at"`