Revert "improvement(db): add session statement/lock timeouts; simplify KB doc tx (#4593)" (#4599)

This reverts commit 4295a5c.

Author: TheodoreSpeaks

apps/sim/lib/knowledge/documents/service.ts

@@ -748,126 +748,6 @@ async function processDocumentsWithTrigger(
   }
 }
 
-interface NewDocumentRow {
-  id: string
-  knowledgeBaseId: string
-  filename: string
-  fileUrl: string
-  fileSize: number
-  mimeType: string
-  chunkCount: number
-  tokenCount: number
-  characterCount: number
-  processingStatus: 'pending'
-  enabled: boolean
-  uploadedAt: Date
-  tag1: string | null
-  tag2: string | null
-  tag3: string | null
-  tag4: string | null
-  tag5: string | null
-  tag6: string | null
-  tag7: string | null
-  number1: number | null
-  number2: number | null
-  number3: number | null
-  number4: number | null
-  number5: number | null
-  date1: Date | null
-  date2: Date | null
-  boolean1: boolean | null
-  boolean2: boolean | null
-  boolean3: boolean | null
-}
-
-/**
- * Insert N document rows IF the parent knowledge base is still alive
- * (`deleted_at IS NULL`) at the statement's MVCC snapshot. Returns the
- * number of rows actually inserted.
- *
- * Knowledge bases are soft-deleted, so a normal FK can't catch a concurrent
- * delete — the KB row physically remains. We do the existence check and the
- * insert in a single statement via INSERT...SELECT...WHERE EXISTS, which
- * Postgres evaluates atomically. No transaction or row lock required, no
- * race window between check and insert.
- *
- * Returns 0 if the KB was soft-deleted; caller throws.
- */
-async function insertDocumentsIfKbAlive(
-  rows: NewDocumentRow[],
-  knowledgeBaseId: string
-): Promise<number> {
-  if (rows.length === 0) return 0
-
-  // jsonb_to_recordset declares the column types once, so we don't need to
-  // cast every parameter individually to keep Postgres' type inference happy
-  // when nullable columns end up all-NULL across the batch.
-  const jsonRows = rows.map((d) => ({
-    id: d.id,
-    knowledge_base_id: d.knowledgeBaseId,
-    filename: d.filename,
-    file_url: d.fileUrl,
-    file_size: d.fileSize,
-    mime_type: d.mimeType,
-    chunk_count: d.chunkCount,
-    token_count: d.tokenCount,
-    character_count: d.characterCount,
-    processing_status: d.processingStatus,
-    enabled: d.enabled,
-    uploaded_at: d.uploadedAt.toISOString(),
-    tag1: d.tag1,
-    tag2: d.tag2,
-    tag3: d.tag3,
-    tag4: d.tag4,
-    tag5: d.tag5,
-    tag6: d.tag6,
-    tag7: d.tag7,
-    number1: d.number1,
-    number2: d.number2,
-    number3: d.number3,
-    number4: d.number4,
-    number5: d.number5,
-    date1: d.date1?.toISOString() ?? null,
-    date2: d.date2?.toISOString() ?? null,
-    boolean1: d.boolean1,
-    boolean2: d.boolean2,
-    boolean3: d.boolean3,
-  }))
-
-  const result = await db.execute(sql`
-    INSERT INTO document (
-      id, knowledge_base_id, filename, file_url, file_size, mime_type,
-      chunk_count, token_count, character_count, processing_status, enabled, uploaded_at,
-      tag1, tag2, tag3, tag4, tag5, tag6, tag7,
-      number1, number2, number3, number4, number5,
-      date1, date2,
-      boolean1, boolean2, boolean3
-    )
-    SELECT
-      id, knowledge_base_id, filename, file_url, file_size, mime_type,
-      chunk_count, token_count, character_count, processing_status, enabled, uploaded_at,
-      tag1, tag2, tag3, tag4, tag5, tag6, tag7,
-      number1, number2, number3, number4, number5,
-      date1, date2,
-      boolean1, boolean2, boolean3
-    FROM jsonb_to_recordset(${JSON.stringify(jsonRows)}::jsonb) AS x(
-      id text, knowledge_base_id text, filename text, file_url text, file_size integer, mime_type text,
-      chunk_count integer, token_count integer, character_count integer, processing_status text, enabled boolean, uploaded_at timestamp,
-      tag1 text, tag2 text, tag3 text, tag4 text, tag5 text, tag6 text, tag7 text,
-      number1 double precision, number2 double precision, number3 double precision, number4 double precision, number5 double precision,
-      date1 timestamp, date2 timestamp,
-      boolean1 boolean, boolean2 boolean, boolean3 boolean
-    )
-    WHERE EXISTS (
-      SELECT 1 FROM knowledge_base
-      WHERE id = ${knowledgeBaseId} AND deleted_at IS NULL
-    )
-    RETURNING id
-  `)
-
-  return Array.from(result).length
-}
-
 export async function createDocumentRecords(
   documents: Array<{
     filename: string
@@ -886,102 +766,99 @@ export async function createDocumentRecords(
   knowledgeBaseId: string,
   requestId: string
 ): Promise<DocumentData[]> {
-  // Cheap upfront existence check so the common KB-not-found path fails fast
-  // before we burn CPU on tag processing. The atomic insert below is the
-  // race-safe guard against a concurrent KB soft-delete in the small window
-  // between this check and the insert.
-  const kb = await db
-    .select({ id: knowledgeBase.id })
-    .from(knowledgeBase)
-    .where(and(eq(knowledgeBase.id, knowledgeBaseId), isNull(knowledgeBase.deletedAt)))
-    .limit(1)
+  return await db.transaction(async (tx) => {
+    await tx.execute(sql`SELECT 1 FROM knowledge_base WHERE id = ${knowledgeBaseId} FOR UPDATE`)
 
-  if (kb.length === 0) {
-    throw new Error('Knowledge base not found')
-  }
+    const kb = await tx
+      .select({ id: knowledgeBase.id })
+      .from(knowledgeBase)
+      .where(and(eq(knowledgeBase.id, knowledgeBaseId), isNull(knowledgeBase.deletedAt)))
+      .limit(1)
 
-  const now = new Date()
-  const documentRecords: NewDocumentRow[] = []
-  const returnData: DocumentData[] = []
+    if (kb.length === 0) {
+      throw new Error('Knowledge base not found')
+    }
 
-  for (const docData of documents) {
-    const documentId = generateId()
+    const now = new Date()
+    const documentRecords = []
+    const returnData: DocumentData[] = []
 
-    let processedTags: Partial<ProcessedDocumentTags> = {}
+    for (const docData of documents) {
+      const documentId = generateId()
 
-    if (docData.documentTagsData) {
-      try {
-        const tagData = JSON.parse(docData.documentTagsData)
-        if (Array.isArray(tagData)) {
-          processedTags = await processDocumentTags(knowledgeBaseId, tagData, requestId)
-        }
-      } catch (error) {
-        if (error instanceof SyntaxError) {
-          logger.warn(`[${requestId}] Failed to parse documentTagsData for bulk document:`, error)
-        } else {
-          throw error
+      let processedTags: Partial<ProcessedDocumentTags> = {}
+
+      if (docData.documentTagsData) {
+        try {
+          const tagData = JSON.parse(docData.documentTagsData)
+          if (Array.isArray(tagData)) {
+            processedTags = await processDocumentTags(knowledgeBaseId, tagData, requestId)
+          }
+        } catch (error) {
+          if (error instanceof SyntaxError) {
+            logger.warn(`[${requestId}] Failed to parse documentTagsData for bulk document:`, error)
+          } else {
+            throw error
+          }
         }
       }
-    }
 
-    const newDocument = {
-      id: documentId,
-      knowledgeBaseId,
-      filename: docData.filename,
-      fileUrl: docData.fileUrl,
-      fileSize: docData.fileSize,
-      mimeType: docData.mimeType,
-      chunkCount: 0,
-      tokenCount: 0,
-      characterCount: 0,
-      processingStatus: 'pending' as const,
-      enabled: true,
-      uploadedAt: now,
-      tag1: processedTags.tag1 ?? docData.tag1 ?? null,
-      tag2: processedTags.tag2 ?? docData.tag2 ?? null,
-      tag3: processedTags.tag3 ?? docData.tag3 ?? null,
-      tag4: processedTags.tag4 ?? docData.tag4 ?? null,
-      tag5: processedTags.tag5 ?? docData.tag5 ?? null,
-      tag6: processedTags.tag6 ?? docData.tag6 ?? null,
-      tag7: processedTags.tag7 ?? docData.tag7 ?? null,
-      number1: processedTags.number1 ?? null,
-      number2: processedTags.number2 ?? null,
-      number3: processedTags.number3 ?? null,
-      number4: processedTags.number4 ?? null,
-      number5: processedTags.number5 ?? null,
-      date1: processedTags.date1 ?? null,
-      date2: processedTags.date2 ?? null,
-      boolean1: processedTags.boolean1 ?? null,
-      boolean2: processedTags.boolean2 ?? null,
-      boolean3: processedTags.boolean3 ?? null,
+      const newDocument = {
+        id: documentId,
+        knowledgeBaseId,
+        filename: docData.filename,
+        fileUrl: docData.fileUrl,
+        fileSize: docData.fileSize,
+        mimeType: docData.mimeType,
+        chunkCount: 0,
+        tokenCount: 0,
+        characterCount: 0,
+        processingStatus: 'pending' as const,
+        enabled: true,
+        uploadedAt: now,
+        tag1: processedTags.tag1 ?? docData.tag1 ?? null,
+        tag2: processedTags.tag2 ?? docData.tag2 ?? null,
+        tag3: processedTags.tag3 ?? docData.tag3 ?? null,
+        tag4: processedTags.tag4 ?? docData.tag4 ?? null,
+        tag5: processedTags.tag5 ?? docData.tag5 ?? null,
+        tag6: processedTags.tag6 ?? docData.tag6 ?? null,
+        tag7: processedTags.tag7 ?? docData.tag7 ?? null,
+        number1: processedTags.number1 ?? null,
+        number2: processedTags.number2 ?? null,
+        number3: processedTags.number3 ?? null,
+        number4: processedTags.number4 ?? null,
+        number5: processedTags.number5 ?? null,
+        date1: processedTags.date1 ?? null,
+        date2: processedTags.date2 ?? null,
+        boolean1: processedTags.boolean1 ?? null,
+        boolean2: processedTags.boolean2 ?? null,
+        boolean3: processedTags.boolean3 ?? null,
+      }
+
+      documentRecords.push(newDocument)
+      returnData.push({
+        documentId,
+        filename: docData.filename,
+        fileUrl: docData.fileUrl,
+        fileSize: docData.fileSize,
+        mimeType: docData.mimeType,
+      })
     }
 
-    documentRecords.push(newDocument)
-    returnData.push({
-      documentId,
-      filename: docData.filename,
-      fileUrl: docData.fileUrl,
-      fileSize: docData.fileSize,
-      mimeType: docData.mimeType,
-    })
-  }
+    if (documentRecords.length > 0) {
+      await tx.insert(document).values(documentRecords)
+      logger.info(
+        `[${requestId}] Bulk created ${documentRecords.length} document records in knowledge base ${knowledgeBaseId}`
+      )
 
-  if (documentRecords.length > 0) {
-    const insertedCount = await insertDocumentsIfKbAlive(documentRecords, knowledgeBaseId)
-    if (insertedCount === 0) {
-      throw new Error('Knowledge base not found')
+      await tx
+        .update(knowledgeBase)
+        .set({ updatedAt: now })
+        .where(eq(knowledgeBase.id, knowledgeBaseId))
     }
-    logger.info(
-      `[${requestId}] Bulk created ${insertedCount} document records in knowledge base ${knowledgeBaseId}`
-    )
-
-    await db
-      .update(knowledgeBase)
-      .set({ updatedAt: now })
-      .where(eq(knowledgeBase.id, knowledgeBaseId))
-  }
 
-  return returnData
+    return returnData
+  })
 }
 
 export interface TagFilterCondition {
@@ -1420,7 +1297,7 @@ export async function createSingleDocument(
     }
   }
 
-  const newDocument: NewDocumentRow = {
+  const newDocument = {
     id: documentId,
     knowledgeBaseId,
     filename: documentData.filename,
@@ -1430,21 +1307,31 @@ export async function createSingleDocument(
     chunkCount: 0,
     tokenCount: 0,
     characterCount: 0,
-    processingStatus: 'pending',
     enabled: true,
     uploadedAt: now,
     ...processedTags,
   }
 
-  const insertedCount = await insertDocumentsIfKbAlive([newDocument], knowledgeBaseId)
-  if (insertedCount === 0) {
-    throw new Error('Knowledge base not found')
-  }
+  await db.transaction(async (tx) => {
+    await tx.execute(sql`SELECT 1 FROM knowledge_base WHERE id = ${knowledgeBaseId} FOR UPDATE`)
 
-  await db
-    .update(knowledgeBase)
-    .set({ updatedAt: now })
-    .where(eq(knowledgeBase.id, knowledgeBaseId))
+    const kb = await tx
+      .select({ id: knowledgeBase.id })
+      .from(knowledgeBase)
+      .where(and(eq(knowledgeBase.id, knowledgeBaseId), isNull(knowledgeBase.deletedAt)))
+      .limit(1)
+
+    if (kb.length === 0) {
+      throw new Error('Knowledge base not found')
+    }
+
+    await tx.insert(document).values(newDocument)
+
+    await tx
+      .update(knowledgeBase)
+      .set({ updatedAt: now })
+      .where(eq(knowledgeBase.id, knowledgeBaseId))
+  })
   logger.info(`[${requestId}] Document created: ${documentId} in knowledge base ${knowledgeBaseId}`)
 
   return newDocument as {

apps/sim/lib/workspaces/lifecycle.test.ts

@@ -55,7 +55,6 @@ describe('workspace lifecycle', () => {
     })
 
     const tx = {
-      execute: vi.fn().mockResolvedValue([]),
       select: vi.fn().mockReturnValue({
         from: vi.fn().mockReturnValue({
           where: vi.fn().mockResolvedValue([{ id: 'kb-1' }]),

apps/sim/lib/workspaces/lifecycle.ts

@@ -49,13 +49,6 @@ export async function archiveWorkspace(
     .where(eq(workflowMcpServer.workspaceId, workspaceId))
 
   await db.transaction(async (tx) => {
-    // Workspace archival is a rare admin/cleanup operation that touches every
-    // child table; on large workspaces it can exceed the 30s session default.
-    // Override per-tx with a generous ceiling — if it ever runs longer than
-    // this something is genuinely wrong.
-    await tx.execute(sql`SET LOCAL statement_timeout = '5min'`)
-    await tx.execute(sql`SET LOCAL lock_timeout = '30s'`)
-
     await tx
       .update(knowledgeBase)
       .set({

packages/db/db.ts

@@ -13,14 +13,6 @@ const postgresClient = postgres(connectionString, {
   connect_timeout: 30,
   max: 15,
   onnotice: () => {},
-  // Server-side guards. lock_timeout cancels a query waiting on a row lock for
-  // >5s (e.g. another tx holding `SELECT ... FOR UPDATE`). statement_timeout
-  // cancels any query running >30s. Heavy paths that legitimately need longer
-  // (table service bulk JSONB rewrites) override per-tx with `SET LOCAL`.
-  connection: {
-    lock_timeout: 5_000,
-    statement_timeout: 30_000,
-  },
 })
 
 export const db = drizzle(postgresClient, { schema })