mariadb-columnstore-engine/dbcon/ddlpackage/ddlpkg.cpp

/* Copyright (C) 2014 InfiniDB, Inc.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; version 2 of
   the License.

   This program 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 for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

/***********************************************************************
 *   $Id: ddlpkg.cpp 9210 2013-01-21 14:10:42Z rdempsey $
 *
 *
 ***********************************************************************/

#include <iostream>

#define DDLPKG_DLLEXPORT
#include "ddlpkg.h"
#undef DDLPKG_DLLEXPORT
#include "../../utils/common/columnwidth.h"

namespace ddlpackage
{
using namespace std;

QualifiedName::QualifiedName(const char* name) : fName(name)
{
}

QualifiedName::QualifiedName(const char* schema, const char* name) : fName(name), fSchema(schema)
{
}

QualifiedName::QualifiedName(const char* catalog, const char* schema, const char* name)
 : fCatalog(catalog), fName(name), fSchema(schema)
{
}

ostream& operator<<(ostream& os, const QualifiedName& qname)
{
  if (!qname.fCatalog.empty())
    os << qname.fCatalog << ".";

  if (!qname.fSchema.empty())
    os << qname.fSchema << ".";

  os << qname.fName;
  return os;
}

ColumnType::ColumnType(int prec, int scale)
 : fType(DDL_INVALID_DATATYPE)
 , fLength(0)
 , fPrecision(prec)
 , fScale(scale)
 , fWithTimezone(false)
 , fCharset(NULL)
 , fCollate(NULL)
 , fCharsetNum(0)
 , fExplicitLength(false)
{
  fLength = utils::widthByPrecision(fPrecision);
}

ColumnType::ColumnType(int type)
 : fType(type), fLength(0), fScale(0), fWithTimezone(false),
   fCharset(NULL), fCollate(NULL), fCharsetNum(0), fExplicitLength(false)
{
  switch (type)
  {
    case DDL_TINYINT:
    case DDL_UNSIGNED_TINYINT: fPrecision = 3; break;

    case DDL_SMALLINT:
    case DDL_UNSIGNED_SMALLINT: fPrecision = 5; break;

    case DDL_MEDINT: fPrecision = 7; break;

    case DDL_UNSIGNED_MEDINT: fPrecision = 8; break;

    case DDL_INT:
    case DDL_UNSIGNED_INT: fPrecision = 10; break;

    case DDL_BIGINT: fPrecision = 19; break;

    case DDL_UNSIGNED_BIGINT: fPrecision = 20; break;

    default: fPrecision = 10; break;
  }
}
ColumnConstraintDef::ColumnConstraintDef(DDL_CONSTRAINTS type)
 : SchemaObject(), fDeferrable(false), fCheckTime(DDL_INITIALLY_IMMEDIATE), fConstraintType(type), fCheck("")
{
}

ColumnConstraintDef::ColumnConstraintDef(const char* check)
 : SchemaObject()
 , fDeferrable(false)
 , fCheckTime(DDL_INITIALLY_IMMEDIATE)
 , fConstraintType(DDL_CHECK)
 , fCheck(check)
{
}

AtaAddColumn::AtaAddColumn(ColumnDef* columnDef) : fColumnDef(columnDef)
{
}

ostream& operator<<(ostream& os, const ReferentialAction& ref)
{
  os << "ref action: u=" << ReferentialActionStrings[ref.fOnUpdate] << " "
     << "d=" << ReferentialActionStrings[ref.fOnDelete];
  return os;
}

void ColumnDef::convertDecimal()
{
  //@Bug 2089 decimal precision default to 10 if 0 is used.
  if (fType->fPrecision <= 0)
    fType->fPrecision = 10;

  if (fType->fPrecision == -1 || fType->fPrecision == 0)
  {
    fType->fType = DDL_BIGINT;
    fType->fLength = 8;
    fType->fScale = 0;
  }
  else if ((fType->fPrecision > 0) && (fType->fPrecision < 3))
  {
    fType->fType = DDL_TINYINT;
    fType->fLength = 1;
  }

  else if (fType->fPrecision < 5 && (fType->fPrecision > 2))
  {
    fType->fType = DDL_SMALLINT;
    fType->fLength = 2;
  }
  else if (fType->fPrecision > 4 && fType->fPrecision < 7)
  {
    fType->fType = DDL_MEDINT;
    fType->fLength = 4;
  }
  else if (fType->fPrecision > 6 && fType->fPrecision < 10)
  {
    fType->fType = DDL_INT;
    fType->fLength = 4;
  }
  else if (fType->fPrecision > 9 && fType->fPrecision < 19)
  {
    fType->fType = DDL_BIGINT;
    fType->fLength = 8;
  }
  else if (fType->fPrecision > 18 && fType->fPrecision < 39)
  {
    fType->fType = DDL_DECIMAL;
    fType->fLength = 16;
  }
}
}  // namespace ddlpackage