92 lines
2.8 KiB
JavaScript
92 lines
2.8 KiB
JavaScript
const Times = require("../public/times");
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const Init = require("./init");
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class ClearDBData extends Init {
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constructor(coin) {
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const method = "clear"
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super(coin, method);
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}
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/**
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* 删除X小时前的sharesdb数据，hours必须大于24小时
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* @param {Number} hours
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* @returns
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*/
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async clearSharesDB(hours) {
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if(hours < 24){
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console.log(`sharesdb最多只能删除24小时之前的数据`);
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return
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}
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try {
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// 修正查询语句，去掉 'from' 和 'to' 字段的单引号
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const query_sharesdb_table_sql = `
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SELECT \`from\`, \`to\`
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FROM ${this.coin}_blk_height_detail
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WHERE date <= NOW() - INTERVAL ? HOUR;
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`;
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// 获取需要删除的高度范围
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const need_del_height = await this.sharesdb.exec(query_sharesdb_table_sql, [hours]);
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if (need_del_height.length === 0) {
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console.log(`${Date.now()}：${this.coin}暂无需要清理的shares detail`);
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return;
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}
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// 生成删除表的 SQL 语句
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let delete_sql = `DROP TABLE IF EXISTS `;
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need_del_height.forEach((item) => {
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const { from, to } = item;
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const table = `${this.coin}_block_detail_${from}_${Number((to - 1).toFixed(0))}`;
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delete_sql += `${table}, `;
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});
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delete_sql = delete_sql.slice(0, -2) + ";"; // 去掉最后的逗号并加上分号
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// 执行删除表的 SQL 语句
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await this.sharesdb.exec(delete_sql);
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} catch (err) {
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throw err;
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}
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}
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/**
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* 删除pooldb，只支持0时刻
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* @param {*} start_time 开始时间 yyyy-MM-dd hh-mm-ss格式 例如"2024-11-11 00:00:00"
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* @param {*} end_time 同上
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* @returns
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*/
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async clearPoolDB(start_time, end_time){
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try{
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const interval = 86400000 // 1天的毫秒数
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const start_ts = new Date(start_time).valueOf()
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const end_ts = new Date(end_time).valueOf()
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const count = Number((end_ts - start_ts).toFixed(0)) / interval
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if (!Number.isInteger(count)){
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console.log(`给定的${start_time}和${end_time}有误！`);
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return
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}
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let sql = `DROP TABLE IF EXISTS `
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for(let i=0; i<count; i++){
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const table_time = Times.utcTime(start_ts + i * interval).split(" ")[0].replace(/\-/g, "")
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sql += `${this.coin}_miners_${table_time}, ${this.coin}_miners_stats_${table_time}, ${this.coin}_pool_blkstats_${table_time}, `
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}
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sql = sql.slice(0, -2) + ";"
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console.log(sql);
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return
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} catch(err){
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throw err
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}
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}
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/**
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* 删除hashrate db的xx_miners表
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*/
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async clearHashrateDB(){
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try{
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const sql = `DELETE FROM ${this.coin}_minersv2 WHERE date <= NOW() - INTERVAL 25 HOUR;`
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await this.hashratedb.exec_transaction(sql)
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} catch(err){
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throw err
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}
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}
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}
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module.exports = ClearDBData |