Adrien
29 lines
1.1 KiB
SQL
29 lines
1.1 KiB
SQL
-- ============================================================
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-- V4: Document hierarchy — chapter and section tables
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-- Supports parent-child retrieval pattern for RAG precision.
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-- ============================================================
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CREATE TABLE IF NOT EXISTS chapter (
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id VARCHAR(200) PRIMARY KEY,
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book_id UUID NOT NULL REFERENCES book(id) ON DELETE CASCADE,
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number INT NOT NULL DEFAULT 1,
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title VARCHAR(500),
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page_start INT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE TABLE IF NOT EXISTS section (
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id VARCHAR(200) PRIMARY KEY,
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chapter_id VARCHAR(200) NOT NULL REFERENCES chapter(id) ON DELETE CASCADE,
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book_id UUID NOT NULL REFERENCES book(id) ON DELETE CASCADE,
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number VARCHAR(50),
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title VARCHAR(500),
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page_start INT NOT NULL,
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page_end INT NOT NULL,
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full_text TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS idx_section_book ON section(book_id);
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CREATE INDEX IF NOT EXISTS idx_section_chapter ON section(chapter_id);
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