18 lines
584 B
Go
18 lines
584 B
Go
// Package sql define database sql statement
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package sql
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// RecursiveSQL define Topologic table recursive query statement
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var RecursiveSQL = `WITH RECURSIVE recursive_tree as (
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SELECT uuid_from,uuid_to,page_id,flag
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FROM "Topologic"
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WHERE uuid_from is null and page_id = ?
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UNION ALL
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SELECT t.uuid_from,t.uuid_to,t.page_id,t.flag
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FROM "Topologic" t
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JOIN recursive_tree rt ON t.uuid_from = rt.uuid_to
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)
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SELECT * FROM recursive_tree;`
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// TODO 为 Topologic 表增加唯一所以
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// CREATE UNIQUE INDEX uuid_from_to_page_id_idx ON public."Topologic"(uuid_from,uuid_to,page_id);
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