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/* This implements 'user defined functions' */
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#include "config.h"
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#include <boost/unordered_map.hpp>
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#include <drizzled/gettext.h>
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#include "drizzled/hash.h"
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#include "drizzled/plugin/function.h"
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#include <drizzled/function_container.h>
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#include "drizzled/util/string.h"
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static plugin::Function::UdfMap udf_registry;
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const plugin::Function::UdfMap &plugin::Function::getMap()
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typedef hash_map<string, const plugin::Function *> UdfMap;
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static UdfMap udf_registry;
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bool plugin::Function::addPlugin(const plugin::Function *udf)
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if (FunctionContainer::getMap().find(udf->getName()) != FunctionContainer::getMap().end())
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errmsg_printf(error::ERROR,
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_("A function named %s already exists!\n"),
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udf->getName().c_str());
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if (udf_registry.find(udf->getName()) != udf_registry.end())
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errmsg_printf(error::ERROR,
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_("A function named %s already exists!\n"),
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udf->getName().c_str());
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std::pair<UdfMap::iterator, bool> ret=
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udf_registry.insert(make_pair(udf->getName(), udf));
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string lower_name(udf->getName());
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transform(lower_name.begin(), lower_name.end(),
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lower_name.begin(), ::tolower);
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if (udf_registry.find(lower_name) != udf_registry.end())
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errmsg_printf(ERRMSG_LVL_ERROR,
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_("A function named %s already exists!\n"),
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udf->getName().c_str());
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pair<UdfMap::iterator, bool> ret=
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udf_registry.insert(make_pair(lower_name, udf));
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if (ret.second == false)
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errmsg_printf(error::ERROR,
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errmsg_printf(ERRMSG_LVL_ERROR,
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_("Could not add Function!\n"));
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void plugin::Function::removePlugin(const plugin::Function *udf)
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udf_registry.erase(udf->getName());
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string lower_name(udf->getName());
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transform(lower_name.begin(), lower_name.end(),
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lower_name.begin(), ::tolower);
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udf_registry.erase(lower_name);
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const plugin::Function *plugin::Function::get(const char *name, size_t length)
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UdfMap::iterator iter= udf_registry.find(std::string(name, length));
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string lower_name(name, length);
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transform(lower_name.begin(), lower_name.end(),
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lower_name.begin(), ::tolower);
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UdfMap::iterator iter= udf_registry.find(lower_name);
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if (iter == udf_registry.end())