61 lines
3 KiB
SQL
61 lines
3 KiB
SQL
-- Wild Dragon MAM – Editor sequences schema patch
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-- Run with: psql $DATABASE_URL -f schema_patch_editor.sql
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-- Named timelines within a project (multiple per project, like Premiere)
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CREATE TABLE IF NOT EXISTS sequences (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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project_id UUID NOT NULL REFERENCES projects ON DELETE CASCADE,
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name TEXT NOT NULL DEFAULT 'Sequence 1',
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frame_rate NUMERIC(6,3) NOT NULL DEFAULT 59.94,
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width INTEGER NOT NULL DEFAULT 1920,
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height INTEGER NOT NULL DEFAULT 1080,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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CONSTRAINT uq_sequences_project_name UNIQUE (project_id, name)
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);
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CREATE INDEX IF NOT EXISTS idx_sequences_project_id ON sequences(project_id);
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CREATE INDEX IF NOT EXISTS idx_sequences_updated_at ON sequences(updated_at DESC);
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-- Clips placed on a sequence timeline
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CREATE TABLE IF NOT EXISTS sequence_clips (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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sequence_id UUID NOT NULL REFERENCES sequences ON DELETE CASCADE,
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asset_id UUID NOT NULL REFERENCES assets ON DELETE CASCADE,
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track INTEGER NOT NULL DEFAULT 0 CHECK (track >= 0),
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-- track encoding: 0=V1, 1=V2, 100=A1, 101=A2
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-- Open-ended CHECK (track >= 0) used instead of an enumerated list so that
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-- additional tracks can be added in the future without a schema migration.
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timeline_in_frames BIGINT NOT NULL,
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timeline_out_frames BIGINT NOT NULL,
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source_in_frames BIGINT NOT NULL DEFAULT 0,
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source_out_frames BIGINT NOT NULL,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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CONSTRAINT chk_timeline_range CHECK (timeline_out_frames > timeline_in_frames),
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CONSTRAINT chk_source_range CHECK (source_out_frames > source_in_frames)
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);
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CREATE INDEX IF NOT EXISTS idx_sequence_clips_sequence_id ON sequence_clips(sequence_id);
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CREATE INDEX IF NOT EXISTS idx_sequence_clips_track_position ON sequence_clips(sequence_id, track, timeline_in_frames);
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CREATE INDEX IF NOT EXISTS idx_sequence_clips_asset_id ON sequence_clips(asset_id);
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-- ---------------------------------------------------------------------------
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-- Idempotent ALTER TABLE block — applies the new constraints and index to
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-- tables that were already created by an earlier run of this file.
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-- Safe to re-run: ADD CONSTRAINT IF NOT EXISTS / CREATE INDEX IF NOT EXISTS.
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-- ---------------------------------------------------------------------------
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ALTER TABLE sequences
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ADD CONSTRAINT IF NOT EXISTS uq_sequences_project_name UNIQUE (project_id, name);
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ALTER TABLE sequence_clips
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ADD CONSTRAINT IF NOT EXISTS chk_timeline_range CHECK (timeline_out_frames > timeline_in_frames);
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ALTER TABLE sequence_clips
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ADD CONSTRAINT IF NOT EXISTS chk_source_range CHECK (source_out_frames > source_in_frames);
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ALTER TABLE sequence_clips
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ADD CONSTRAINT IF NOT EXISTS chk_track_valid CHECK (track >= 0);
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CREATE INDEX IF NOT EXISTS idx_sequence_clips_asset_id ON sequence_clips(asset_id);
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