36 lines
1.5 KiB
MySQL
36 lines
1.5 KiB
MySQL
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-- 046_user_blocks.sql
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-- User Block Relationships (BE-DB-007: Create migration for user_blocks table)
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-- Add table for user block relationships
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-- === USER BLOCKS ===
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-- Table for tracking user-to-user block relationships
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CREATE TABLE IF NOT EXISTS public.user_blocks (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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blocker_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
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blocked_id UUID NOT NULL REFERENCES public.users(id) ON DELETE CASCADE,
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-- Optional reason for blocking
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reason VARCHAR(255),
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-- Timestamps
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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-- Constraints
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CONSTRAINT uq_user_blocks_blocker_blocked UNIQUE (blocker_id, blocked_id),
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CONSTRAINT chk_user_blocks_not_self CHECK (blocker_id != blocked_id)
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);
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-- Indexes
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CREATE INDEX IF NOT EXISTS idx_user_blocks_blocker_id ON public.user_blocks(blocker_id);
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CREATE INDEX IF NOT EXISTS idx_user_blocks_blocked_id ON public.user_blocks(blocked_id);
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CREATE INDEX IF NOT EXISTS idx_user_blocks_created_at_desc ON public.user_blocks(created_at DESC);
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-- Comments
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COMMENT ON TABLE public.user_blocks IS 'User-to-user block relationships';
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COMMENT ON COLUMN public.user_blocks.blocker_id IS 'ID of the user who is blocking';
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COMMENT ON COLUMN public.user_blocks.blocked_id IS 'ID of the user being blocked';
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COMMENT ON COLUMN public.user_blocks.reason IS 'Optional reason for blocking';
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COMMENT ON CONSTRAINT chk_user_blocks_not_self ON public.user_blocks IS 'Prevents users from blocking themselves';
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