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Viewing changes to plugin/crc32/crc32udf.cc

  • Committer: Stewart Smith
  • Date: 2009-06-16 00:44:35 UTC
  • mto: (1119.2.6 merge)
  • mto: This revision was merged to the branch mainline in revision 1124.
  • Revision ID: stewart@flamingspork.com-20090616004435-t1vust6erhco7edc
make comment_index test not leave tables behind after running

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plugin/crc32/crc32udf.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
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#include <drizzled/plugin.h>
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#include <drizzled/plugin/function.h>
 
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#include <drizzled/server_includes.h>
 
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#include <drizzled/sql_udf.h>
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#include <drizzled/item/func.h>
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#include <drizzled/algorithm/crc32.h>
 
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#include <zlib.h>
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#include <string>
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using namespace std;
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using namespace drizzled;
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class Crc32Function :public Item_int_func
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{
 
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  String value;
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public:
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  int64_t val_int();
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int64_t Crc32Function::val_int()
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{
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  assert(fixed == true);
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  String value;
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  String *res=args[0]->val_str(&value);
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  if (res == NULL)
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  }
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  null_value= false;
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  return static_cast<int64_t>(drizzled::algorithm::crc32(res->ptr(), res->length()));
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}
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plugin::Create_function<Crc32Function> *crc32udf= NULL;
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static int initialize(module::Context &context)
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{
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  crc32udf= new plugin::Create_function<Crc32Function>("crc32");
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  context.add(crc32udf);
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  return 0;
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}
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DRIZZLE_PLUGIN(initialize, NULL, NULL);
 
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  return (int64_t) crc32(0L, (unsigned char*)res->ptr(), res->length());
 
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}
 
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Create_function<Crc32Function> crc32udf(string("crc32"));
 
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static int initialize(drizzled::plugin::Registry &registry)
 
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{
 
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  registry.add(&crc32udf);
 
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  return 0;
 
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}
 
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static int finalize(drizzled::plugin::Registry &registry)  
 
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{
 
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  registry.remove(&crc32udf);
 
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  return 0;
 
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}
 
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drizzle_declare_plugin(crc32)
 
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{
 
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  "crc32",
 
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  "1.0",
 
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  "Stewart Smith",
 
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  "UDF for computing CRC32",
 
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  PLUGIN_LICENSE_GPL,
 
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  initialize, /* Plugin Init */
 
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  finalize,   /* Plugin Deinit */
 
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  NULL,   /* status variables */
 
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  NULL,   /* system variables */
 
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  NULL    /* config options */
 
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}
 
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drizzle_declare_plugin_end;