36 lines
1.6 KiB
SQL
36 lines
1.6 KiB
SQL
-- 新增个人客户 OpenID 关联表
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-- 保存客户在不同微信应用（公众号/小程序）下的 OpenID 记录
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CREATE TABLE IF NOT EXISTS tb_personal_customer_openid (
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id BIGSERIAL PRIMARY KEY,
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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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deleted_at TIMESTAMPTZ,
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customer_id BIGINT NOT NULL,
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app_id VARCHAR(100) NOT NULL,
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open_id VARCHAR(100) NOT NULL,
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union_id VARCHAR(100) NOT NULL DEFAULT '',
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app_type VARCHAR(20) NOT NULL DEFAULT ''
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);
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-- 软删除条件下的唯一索引：同一应用下 OpenID 唯一
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CREATE UNIQUE INDEX IF NOT EXISTS idx_pco_app_id_open_id
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ON tb_personal_customer_openid (app_id, open_id)
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WHERE deleted_at IS NULL;
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-- 客户ID索引：按客户查询所有 OpenID 记录
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CREATE INDEX IF NOT EXISTS idx_pco_customer_id
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ON tb_personal_customer_openid (customer_id);
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-- UnionID索引：按 UnionID 回查合并客户
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CREATE INDEX IF NOT EXISTS idx_pco_union_id
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ON tb_personal_customer_openid (union_id)
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WHERE union_id != '' AND deleted_at IS NULL;
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-- 字段注释
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COMMENT ON TABLE tb_personal_customer_openid IS '个人客户OpenID关联表';
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COMMENT ON COLUMN tb_personal_customer_openid.customer_id IS '关联个人客户ID';
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COMMENT ON COLUMN tb_personal_customer_openid.app_id IS '微信应用标识（公众号或小程序AppID）';
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COMMENT ON COLUMN tb_personal_customer_openid.open_id IS '当前应用下的OpenID';
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COMMENT ON COLUMN tb_personal_customer_openid.union_id IS '微信开放平台统一标识（可选）';
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COMMENT ON COLUMN tb_personal_customer_openid.app_type IS '应用类型（official_account/miniapp）';
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