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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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* Defines the PRINT_QUERY_CACHE_META(KEY) UDF
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* PRINT_QUERY_CACHE_META(key);
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* prints a text representation of the meta data associated
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* to a key stored in the cache
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#include <drizzled/item/func.h>
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#include <drizzled/function/str/strfunc.h>
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class PrintQueryCacheMetaFunction : public drizzled::Item_str_func
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PrintQueryCacheMetaFunction() : Item_str_func() {}
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drizzled::String *val_str(drizzled::String*);
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void fix_length_and_dec();
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const char *func_name() const
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return "print_query_cache_meta";
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bool check_argument_count(int n)
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class QueryCacheFlushFunction: public drizzled::Item_int_func
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drizzled::String value;
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drizzled::String failure_buff;
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QueryCacheFlushFunction()
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failure_buff("0", &drizzled::my_charset_bin)
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const char *func_name() const
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return "query_cache_flush";
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void fix_length_and_dec()
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* query_cache_flush takes 0 or 1 arguments
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bool check_argument_count(int n)
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return ((n == 1)||(n == 0));