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* Copyright (C) 2010 Djellel Eddine Difallah
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Djellel Eddine Difallah nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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* Implements the DATA_DICTIONARY views which allows querying the
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* state of the Query Cache
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* CREATE TABLE DATA_DICTIONARY.QUERY_CACHE_ENTRIES (
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* KEY VARCHAR NOT NULL
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* , SCHEMA VARCHAR NOT NULL
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* , SQL VARCHAR NOT NULL
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#include "query_cache_service.h"
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#include "data_dictionary_schema.h"
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using namespace drizzled;
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* Query_Cache_Meta_ENTRIES view
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QueryCacheTool::QueryCacheTool() :
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plugin::TableFunction("DATA_DICTIONARY", "QUERY_CACHE_ENTRIES")
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QueryCacheTool::Generator::Generator(Field **arg) :
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plugin::TableFunction::Generator(arg)
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it= QueryCacheService::cache.begin();
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end= QueryCacheService::cache.end();
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bool QueryCacheTool::Generator::populate()
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QueryCacheService::CacheEntry &entry= *it;
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push(entry.second.schema());
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push(entry.second.sql());
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* Query_Cache_Cached_Tables view
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CachedTables::CachedTables() :
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plugin::TableFunction("DATA_DICTIONARY", "QUERY_CACHED_TABLES")
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add_field("Cache_Keys");
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CachedTables::Generator::Generator(Field **arg) :
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plugin::TableFunction::Generator(arg)
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it= QueryCacheService::cachedTables.begin();
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end= QueryCacheService::cachedTables.end();
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bool CachedTables::Generator::populate()
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QueryCacheService::CachedTablesEntry &entry= *it;
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vector<string>::iterator tmp;
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for(tmp= entry.second.begin(); tmp != entry.second.end(); tmp++)
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list_keys+= "::"+ *tmp;