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新增 支持达梦数据库

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新增 Sequences 增加 updateTime
新增 增加查询序号是否锁定的方法 locked
新增 增加将序号设为未使用的方法 unused
新增 增加 SequencesUnlock find(SequencesUnlock sequencesUnlock) 和 SequencesUnused find(SequencesUnused sequencesUnused)
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杨黄林
2025-01-15 11:42:46 +08:00
parent 670cd52c40
commit e2e5939810
18 changed files with 282 additions and 41 deletions
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29
src/main/resources/pgsql/create_table_sequences.sql
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@@ -1,11 +1,32 @@
CREATE TABLE IF NOT EXISTS "sequences"
(
"key" VARCHAR(64) NOT NULL,
"type" VARCHAR(64) NOT NULL,
"seq" INT8 NOT NULL,
"key" VARCHAR(64) NOT NULL,
"type" VARCHAR(64) NOT NULL,
"seq" INT8 NOT NULL,
"update_time" TIMESTAMP,
PRIMARY KEY ("key", "type")
);
COMMENT ON TABLE "sequences" IS '当前序号表';
COMMENT ON COLUMN "sequences"."key" IS '序号英文名称';
COMMENT ON COLUMN "sequences"."type" IS '序号类型';
COMMENT ON COLUMN "sequences"."seq" IS '已使用到的序号';
COMMENT ON COLUMN "sequences"."seq" IS '已使用到的序号';
COMMENT ON COLUMN "sequences"."update_time" IS '最后使用时间';
/*
触发器函数，用户更新update_time字段
*/
CREATE OR REPLACE FUNCTION SEQUENCES_UPDATE_TIME() RETURNS TRIGGER AS $$
BEGIN
NEW."update_time" := current_timestamp;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
/*
@触发器设置，功能：自动记录更新时间
@触发器名为 SEQUENCES_UPDATE_TIME
@触发器执行范围为每行生效
*/
DROP TRIGGER IF EXISTS SEQUENCES_UPDATE_TIME ON "sequences" CASCADE;
CREATE TRIGGER SEQUENCES_UPDATE_TIME BEFORE UPDATE ON "sequences" FOR EACH ROW EXECUTE FUNCTION SEQUENCES_UPDATE_TIME();