50 lines
1.9 KiB
SQL
50 lines
1.9 KiB
SQL
-- 素材主表
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CREATE TABLE materials (
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id BIGSERIAL PRIMARY KEY,
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oss_key VARCHAR(255) NOT NULL,
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original_name VARCHAR(255) NOT NULL,
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file_size BIGINT NOT NULL,
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mime_type VARCHAR(100) NOT NULL,
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width INT,
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height INT,
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hash VARCHAR(64) NOT NULL,
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created_by BIGINT NOT NULL,
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star_id BIGINT NOT NULL DEFAULT 0,
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created_at BIGINT NOT NULL,
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updated_at BIGINT NOT NULL,
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deleted_at BIGINT
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);
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CREATE UNIQUE INDEX uk_materials_oss_key ON materials(oss_key);
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CREATE INDEX idx_materials_hash ON materials(hash);
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CREATE INDEX idx_materials_created_by ON materials(created_by);
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CREATE INDEX idx_materials_star_id ON materials(star_id);
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-- 资产-素材关联表
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CREATE TABLE asset_material_relations (
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id BIGSERIAL PRIMARY KEY,
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asset_id BIGINT NOT NULL REFERENCES assets(id) ON DELETE CASCADE,
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material_id BIGINT NOT NULL REFERENCES materials(id) ON DELETE RESTRICT,
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material_type VARCHAR(50) NOT NULL,
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layer_order INT NOT NULL DEFAULT 0,
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pos_x DOUBLE PRECISION,
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pos_y DOUBLE PRECISION,
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opacity DOUBLE PRECISION DEFAULT 1.0,
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rotation DOUBLE PRECISION DEFAULT 0,
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scale_x DOUBLE PRECISION DEFAULT 1.0,
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scale_y DOUBLE PRECISION DEFAULT 1.0,
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version INT NOT NULL DEFAULT 1,
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created_at BIGINT NOT NULL,
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updated_at BIGINT NOT NULL,
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deleted_at BIGINT
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);
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-- 索引
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CREATE INDEX idx_amr_asset_id ON asset_material_relations(asset_id) WHERE deleted_at IS NULL;
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CREATE INDEX idx_amr_material_id ON asset_material_relations(material_id) WHERE deleted_at IS NULL;
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CREATE INDEX idx_amr_asset_type_layer ON asset_material_relations(asset_id, material_type, layer_order) WHERE deleted_at IS NULL;
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-- 部分唯一索引（软删除感知）
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CREATE UNIQUE INDEX uk_amr_asset_type_active ON asset_material_relations(asset_id, material_type) WHERE deleted_at IS NULL;
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CREATE UNIQUE INDEX uk_amr_asset_layer_active ON asset_material_relations(asset_id, layer_order) WHERE deleted_at IS NULL;
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