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@@ -356,3 +356,31 @@ COMMENT ON COLUMN test_leave.create_by IS '创建者';
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COMMENT ON COLUMN test_leave.create_time IS '创建时间';
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COMMENT ON COLUMN test_leave.update_by IS '更新者';
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COMMENT ON COLUMN test_leave.update_time IS '更新时间';
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+
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+
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+-- for AT mode you must to init this sql for you business database. the seata server not need it.
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+CREATE TABLE IF NOT EXISTS public.undo_log
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+(
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+ id SERIAL NOT NULL,
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+ branch_id BIGINT NOT NULL,
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+ xid VARCHAR(128) NOT NULL,
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+ context VARCHAR(128) NOT NULL,
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+ rollback_info BYTEA NOT NULL,
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+ log_status INT NOT NULL,
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+ log_created TIMESTAMP(0) NOT NULL,
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+ log_modified TIMESTAMP(0) NOT NULL,
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+ CONSTRAINT pk_undo_log PRIMARY KEY (id),
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+ CONSTRAINT ux_undo_log UNIQUE (xid, branch_id)
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+);
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+CREATE INDEX ix_log_created ON undo_log(log_created);
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+
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+COMMENT ON TABLE public.undo_log IS 'AT transaction mode undo table';
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+COMMENT ON COLUMN public.undo_log.branch_id IS 'branch transaction id';
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+COMMENT ON COLUMN public.undo_log.xid IS 'global transaction id';
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+COMMENT ON COLUMN public.undo_log.context IS 'undo_log context,such as serialization';
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+COMMENT ON COLUMN public.undo_log.rollback_info IS 'rollback info';
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+COMMENT ON COLUMN public.undo_log.log_status IS '0:normal status,1:defense status';
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+COMMENT ON COLUMN public.undo_log.log_created IS 'create datetime';
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+COMMENT ON COLUMN public.undo_log.log_modified IS 'modify datetime';
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+
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+CREATE SEQUENCE IF NOT EXISTS undo_log_id_seq INCREMENT BY 1 MINVALUE 1 ;
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