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Marc-André Bombeck
3e08fd0e68
A document whose preview render fails for good (a PDF whose first page renders blank) was queued by the boot-time backfill, refused, and queued again at the next boot, without end. The thumbnail job now keeps the failure with the document (document_thumbnail_failures, migration 0374): the reason, the attempts since the last success and when the newest failed. The backfill, both the boot discovery and the per-account pass, leaves a document out after one deterministic refusal (raster-failed, empty-render, pixel-cap) or three of any other kind, until the document changes. A direct enqueue still renders it, and a preview that is made clears the record.
25 lines
967 B
SQL
25 lines
967 B
SQL
-- Why a document has no preview thumbnail. The boot-time backfill skips a
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-- document whose render failed for good, until the document changes.
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CREATE TABLE "document_thumbnail_failures" (
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"document_id" TEXT NOT NULL,
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"user_id" TEXT NOT NULL,
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"reason" TEXT NOT NULL,
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"attempts" INTEGER NOT NULL DEFAULT 1,
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"failed_at" TIMESTAMP(3) NOT NULL,
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CONSTRAINT "document_thumbnail_failures_pkey" PRIMARY KEY ("document_id")
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);
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CREATE INDEX "document_thumbnail_failures_user_id_idx"
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ON "document_thumbnail_failures"("user_id");
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ALTER TABLE "document_thumbnail_failures"
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ADD CONSTRAINT "document_thumbnail_failures_document_id_fkey"
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FOREIGN KEY ("document_id") REFERENCES "inbound_documents"("id")
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ON DELETE CASCADE ON UPDATE CASCADE;
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ALTER TABLE "document_thumbnail_failures"
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ADD CONSTRAINT "document_thumbnail_failures_user_id_fkey"
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FOREIGN KEY ("user_id") REFERENCES "users"("id")
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ON DELETE CASCADE ON UPDATE CASCADE;
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