Files
ai-customer-service/db/migration/0002_platform_event_outbox.up.sql
2026-05-06 10:45:51 +08:00

55 lines
2.5 KiB
SQL

CREATE TABLE IF NOT EXISTS cs_platform_callbacks (
platform VARCHAR(32) NOT NULL,
target_name VARCHAR(64) NOT NULL,
callback_url TEXT NOT NULL,
callback_secret TEXT NULL,
is_active BOOLEAN NOT NULL DEFAULT TRUE,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
PRIMARY KEY (platform, target_name)
);
CREATE TABLE IF NOT EXISTS cs_platform_event_outbox (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
platform VARCHAR(32) NOT NULL,
event_type VARCHAR(64) NOT NULL,
session_id UUID NULL REFERENCES cs_sessions(id) ON DELETE SET NULL,
ticket_id UUID NULL REFERENCES cs_tickets(id) ON DELETE SET NULL,
source_message_id VARCHAR(128) NULL,
callback_target VARCHAR(64) NOT NULL,
payload JSONB NOT NULL DEFAULT '{}'::jsonb,
status VARCHAR(16) NOT NULL DEFAULT 'pending',
attempt_count INT NOT NULL DEFAULT 0,
next_attempt_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
occurred_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
delivered_at TIMESTAMPTZ NULL,
last_error TEXT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
CONSTRAINT chk_cs_platform_event_outbox_status CHECK (status IN ('pending','retrying','delivered','dead_letter'))
);
CREATE INDEX IF NOT EXISTS idx_cs_platform_event_outbox_due ON cs_platform_event_outbox(status, next_attempt_at, created_at);
CREATE INDEX IF NOT EXISTS idx_cs_platform_event_outbox_platform ON cs_platform_event_outbox(platform, callback_target, created_at DESC);
CREATE TABLE IF NOT EXISTS cs_platform_event_delivery_attempts (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
event_id UUID NOT NULL REFERENCES cs_platform_event_outbox(id) ON DELETE CASCADE,
attempt_no INT NOT NULL,
response_status INT NULL,
response_body TEXT NULL,
error_message TEXT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX IF NOT EXISTS idx_cs_platform_event_delivery_attempts_event ON cs_platform_event_delivery_attempts(event_id, created_at DESC);
CREATE TABLE IF NOT EXISTS cs_platform_event_dead_letters (
event_id UUID PRIMARY KEY REFERENCES cs_platform_event_outbox(id) ON DELETE CASCADE,
platform VARCHAR(32) NOT NULL,
event_type VARCHAR(64) NOT NULL,
callback_target VARCHAR(64) NOT NULL,
payload JSONB NOT NULL DEFAULT '{}'::jsonb,
attempt_count INT NOT NULL DEFAULT 0,
final_error TEXT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);