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Merge pull request #690 from zhuam/1.5
增加 SQL 条件的分析，用于 列值/访问次数 的实时统计
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src/main/java/org/opencloudb/handler/ReloadHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,70 +1,78 @@ | ||
| /* | ||
| * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software;Designed and Developed mainly by many Chinese | ||
| * opensource volunteers. you can redistribute it and/or modify it under the | ||
| * terms of the GNU General Public License version 2 only, as published by the | ||
| * Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Any questions about this component can be directed to it's project Web address | ||
| * https://code.google.com/p/opencloudb/. | ||
| * | ||
| */ | ||
| package org.opencloudb.handler; | ||
|
|
||
| import org.opencloudb.config.ErrorCode; | ||
| import org.opencloudb.manager.ManagerConnection; | ||
| import org.opencloudb.parser.ManagerParseReload; | ||
| import org.opencloudb.parser.util.ParseUtil; | ||
| import org.opencloudb.response.ReloadConfig; | ||
| import org.opencloudb.response.ReloadSqlSlowTime; | ||
| import org.opencloudb.response.ReloadUser; | ||
| import org.opencloudb.response.ReloadUserStat; | ||
|
|
||
| /** | ||
| * @author mycat | ||
| */ | ||
| public final class ReloadHandler | ||
| { | ||
|
|
||
| public static void handle(String stmt, ManagerConnection c, int offset) | ||
| { | ||
| int rs = ManagerParseReload.parse(stmt, offset); | ||
| switch (rs) | ||
| { | ||
| case ManagerParseReload.CONFIG: | ||
| ReloadConfig.execute(c,false); | ||
| break; | ||
| case ManagerParseReload.CONFIG_ALL: | ||
| ReloadConfig.execute(c,true); | ||
| break; | ||
| case ManagerParseReload.ROUTE: | ||
| c.writeErrMessage(ErrorCode.ER_YES, "Unsupported statement"); | ||
| break; | ||
| case ManagerParseReload.USER: | ||
| ReloadUser.execute(c); | ||
| break; | ||
| case ManagerParseReload.USER_STAT: | ||
| ReloadUserStat.execute(c); | ||
| break; | ||
| case ManagerParseReload.SQL_SLOW: | ||
| ReloadSqlSlowTime.execute(c,ParseUtil.getSQLId(stmt)); | ||
| break; | ||
|
|
||
| default: | ||
| c.writeErrMessage(ErrorCode.ER_YES, "Unsupported statement"); | ||
| } | ||
| } | ||
|
|
||
| /* | ||
| * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software;Designed and Developed mainly by many Chinese | ||
| * opensource volunteers. you can redistribute it and/or modify it under the | ||
| * terms of the GNU General Public License version 2 only, as published by the | ||
| * Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Any questions about this component can be directed to it's project Web address | ||
| * https://code.google.com/p/opencloudb/. | ||
| * | ||
| */ | ||
| package org.opencloudb.handler; | ||
|
|
||
| import org.opencloudb.config.ErrorCode; | ||
| import org.opencloudb.manager.ManagerConnection; | ||
| import org.opencloudb.parser.ManagerParseReload; | ||
| import org.opencloudb.parser.util.ParseUtil; | ||
| import org.opencloudb.response.ReloadConfig; | ||
| import org.opencloudb.response.ReloadQueryCf; | ||
| import org.opencloudb.response.ReloadSqlSlowTime; | ||
| import org.opencloudb.response.ReloadUser; | ||
| import org.opencloudb.response.ReloadUserStat; | ||
|
|
||
| /** | ||
| * @author mycat | ||
| */ | ||
| public final class ReloadHandler | ||
| { | ||
|
|
||
| public static void handle(String stmt, ManagerConnection c, int offset) | ||
| { | ||
| int rs = ManagerParseReload.parse(stmt, offset); | ||
| switch (rs) | ||
| { | ||
| case ManagerParseReload.CONFIG: | ||
| ReloadConfig.execute(c,false); | ||
| break; | ||
| case ManagerParseReload.CONFIG_ALL: | ||
| ReloadConfig.execute(c,true); | ||
| break; | ||
| case ManagerParseReload.ROUTE: | ||
| c.writeErrMessage(ErrorCode.ER_YES, "Unsupported statement"); | ||
| break; | ||
| case ManagerParseReload.USER: | ||
| ReloadUser.execute(c); | ||
| break; | ||
| case ManagerParseReload.USER_STAT: | ||
| ReloadUserStat.execute(c); | ||
| break; | ||
| case ManagerParseReload.SQL_SLOW: | ||
| ReloadSqlSlowTime.execute(c,ParseUtil.getSQLId(stmt)); | ||
| break; | ||
| case ManagerParseReload.QUERY_CF: | ||
| String dhAfter = "NULL"; | ||
| int dhOffset = stmt.indexOf('='); | ||
| if (dhOffset != -1 && stmt.length() > ++dhOffset) { | ||
| dhAfter = stmt.substring(dhOffset).trim(); | ||
| } | ||
| ReloadQueryCf.execute(c, dhAfter); | ||
| break; | ||
| default: | ||
| c.writeErrMessage(ErrorCode.ER_YES, "Unsupported statement"); | ||
| } | ||
| } | ||
|
|
||
| } |
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