116 lines
1.9 KiB
Go
116 lines
1.9 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mysql
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const sqlClr = `
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DELETE FROM kv
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WHERE k=?
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`
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const sqlClrP = `
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DELETE FROM kv
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WHERE k LIKE CONCAT(?, '%')
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LIMIT ?
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`
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const sqlClrR = `
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DELETE FROM kv
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WHERE k>=? AND k<?
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LIMIT ?
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`
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const sqlGet = `
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SELECT * FROM kv
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WHERE t<=? AND k=?
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ORDER BY t DESC
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LIMIT 1
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`
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const sqlGetP = `
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SELECT q1.t, q1.k, v
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FROM kv q1
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JOIN (
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SELECT k, MAX(t) AS t
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FROM kv
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WHERE t<=? AND k LIKE CONCAT(?, '%')
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GROUP BY k
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) AS q2
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ON q1.t = q2.t AND q1.k = q2.k
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ORDER BY q1.k
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LIMIT ?
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`
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const sqlGetR = `
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SELECT q1.t, q1.k, v
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FROM kv q1
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JOIN (
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SELECT k, MAX(t) AS t
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FROM kv
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WHERE t<=? AND k>=? AND k<?
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GROUP BY k
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) AS q2
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ON q1.t = q2.t AND q1.k = q2.k
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ORDER BY q1.k
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LIMIT ?
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`
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const sqlDel = `
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DELETE FROM kv
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WHERE t<=? AND k=?
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ORDER BY t DESC
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LIMIT 1
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`
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const sqlDelP = `
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DELETE q1 FROM kv
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JOIN (
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SELECT k, MAX(t) AS t
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FROM kv
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WHERE t<=? AND k LIKE CONCAT(?, '%')
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GROUP BY k
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) AS q2
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ON q1.t = q2.t AND q1.k = q2.k
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ORDER BY q1.k
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LIMIT ?
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`
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const sqlDelR = `
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DELETE q1 FROM kv
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JOIN (
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SELECT k, MAX(t) AS t
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FROM kv
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WHERE t<=? AND k>=? AND k<?
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GROUP BY k
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) AS q2
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ON q1.t = q2.t AND q1.k = q2.k
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ORDER BY q1.k
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LIMIT ?
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`
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const sqlPut = `
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INSERT INTO kv
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(t, k, v)
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VALUES
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(?, ?, ?)
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ON DUPLICATE KEY UPDATE v=?
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`
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const sqlPutN = `
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INSERT INTO kv
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(t, k, v)
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VALUES
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(?, ?, ?)
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`
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