36 lines
1.6 KiB
SQL
36 lines
1.6 KiB
SQL
-- =====================================================================
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-- Migration 006: Comments Table and Photo Support
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-- =====================================================================
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-- ---------------------------------------------------------------------
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-- Block 1: Creates Table "comments"
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-- Stores Comments on Contributions. Comments is linked to
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-- Contributions and identified by browser_id.
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-- ---------------------------------------------------------------------
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CREATE TABLE IF NOT EXISTS comments (
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comment_id SERIAL PRIMARY KEY,
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contribution_id INTEGER NOT NULL REFERENCES contributions(contribution_id) ON DELETE CASCADE,
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author_name VARCHAR(100) NOT NULL,
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browser_id VARCHAR(36) DEFAULT NULL,
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content TEXT NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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-- ---------------------------------------------------------------------
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-- Block 2: Indexes for fast Comment Queries
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-- ---------------------------------------------------------------------
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CREATE INDEX idx_comments_contribution ON comments(contribution_id);
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CREATE INDEX idx_comments_browser ON comments(browser_id);
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-- ---------------------------------------------------------------------
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-- Block 3: Adds Photo Path Column to Contributions
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-- Stores relative Path to uploaded Photo File.
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-- ---------------------------------------------------------------------
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ALTER TABLE contributions
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ADD COLUMN photo_path VARCHAR(255) DEFAULT NULL;
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ADD COLUMN comment_count INTEGER NOT NULL DEFAULT 0;
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COMMENT ON COLUMN contributions.photo_path IS 'Relative Path to uploaded Photo. NULL = no Photo.'; |