13 lines
551 B
SQL
13 lines
551 B
SQL
CREATE TABLE IF NOT EXISTS "sequences"
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(
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"key" VARCHAR(64) NOT NULL,
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"type" VARCHAR(64) NOT NULL,
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"seq" BIGINT NOT NULL,
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"update_time" TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY ("key", "type")
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);
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COMMENT ON TABLE "sequences" IS '当前序号表';
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COMMENT ON COLUMN "sequences"."key" IS '序号英文名称';
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COMMENT ON COLUMN "sequences"."type" IS '序号类型';
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COMMENT ON COLUMN "sequences"."seq" IS '已使用到的序号';
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COMMENT ON COLUMN "sequences"."update_time" IS '最后使用时间'; |