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feat(transcription): add Flyway migrations for transcription blocks

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V18: transcription_blocks table with optimistic locking version column
V19: transcription_block_versions for edit history capture
V20: add block_id FK to document_comments for block-level threads

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-04-05 11:12:08 +02:00
parent 46d64f50a5
commit 5231476c27
3 changed files with 29 additions and 0 deletions
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16
backend/src/main/resources/db/migration/V18__add_transcription_blocks.sql Normal file
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CREATE TABLE transcription_blocks (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
annotation_id UUID NOT NULL REFERENCES document_annotations(id) ON DELETE CASCADE,
document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
text TEXT NOT NULL DEFAULT '',
label VARCHAR(200),
sort_order INTEGER NOT NULL DEFAULT 0,
version INTEGER NOT NULL DEFAULT 0,
created_by UUID REFERENCES app_users(id) ON DELETE SET NULL,
updated_by UUID REFERENCES app_users(id) ON DELETE SET NULL,
created_at TIMESTAMP NOT NULL DEFAULT now(),
updated_at TIMESTAMP NOT NULL DEFAULT now()
);
CREATE INDEX idx_tb_document_sort ON transcription_blocks(document_id, sort_order);
CREATE INDEX idx_tb_annotation ON transcription_blocks(annotation_id);

9
backend/src/main/resources/db/migration/V19__add_transcription_block_versions.sql Normal file
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CREATE TABLE transcription_block_versions (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
block_id UUID NOT NULL REFERENCES transcription_blocks(id) ON DELETE CASCADE,
text TEXT NOT NULL,
changed_by UUID REFERENCES app_users(id) ON DELETE SET NULL,
changed_at TIMESTAMP NOT NULL DEFAULT now()
);
CREATE INDEX idx_tbv_block ON transcription_block_versions(block_id, changed_at DESC);

4
backend/src/main/resources/db/migration/V20__add_block_id_to_comments.sql Normal file
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ALTER TABLE document_comments
ADD COLUMN block_id UUID REFERENCES transcription_blocks(id) ON DELETE CASCADE;
CREATE INDEX idx_dc_block ON document_comments(block_id);