Package net.sourceforge.squirrel_sql.fw.dialects

Source Code of net.sourceforge.squirrel_sql.fw.dialects.NetezzaDialextExt$NetezzaDialectHelper

/*
* Copyright (C) 2009 Rob Manning
* manningr@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package net.sourceforge.squirrel_sql.fw.dialects;

import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.ADD_COLUMN_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.COLUMN_DROP_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.COLUMN_NULL_ALTER_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.COLUMN_TYPE_ALTER_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.CREATE_INDEX_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.DROP_INDEX_TYPE;
import static net.sourceforge.squirrel_sql.fw.dialects.DialectUtils.getUnsupportedMessage;

import java.sql.Types;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;

import net.sourceforge.squirrel_sql.fw.sql.ITableInfo;
import net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo;

import org.antlr.stringtemplate.StringTemplate;
import org.hibernate.HibernateException;

/**
* Dialect for the Netezza NPS database server.
*/
public class NetezzaDialextExt extends CommonHibernateDialect
{

  // Note that Netezza 4.6 doesn't have support for LOB data types. Under the hood, it appears to use
  // PostgreSQL, but with some limitations.
  private class NetezzaDialectHelper extends org.hibernate.dialect.PostgreSQLDialect
  {
    public NetezzaDialectHelper()
    {
      super();
      registerColumnType(Types.BIGINT, "bigint");
      registerColumnType(Types.BIT, "bool");
      registerColumnType(Types.BOOLEAN, "bool");
      registerColumnType(Types.CHAR, 64000, "char($l)");
      registerColumnType(Types.CHAR, "char(64000)");
      // Netezza 4.6 doesn't support text or any large character object data type
      // registerColumnType(Types.CLOB, "text");
      registerColumnType(Types.DATE, "date");
      registerColumnType(Types.DECIMAL, "decimal($p,2)");
      registerColumnType(Types.DOUBLE, "double precision");
      registerColumnType(Types.FLOAT, 15, "float($p)");
      registerColumnType(Types.FLOAT, "float(15)");
      registerColumnType(Types.INTEGER, "int");
      // Netezza 4.6 doesn't appear to support bytea or any binary type.
      // registerColumnType(Types.LONGVARBINARY, "bytea");
      registerColumnType(Types.LONGVARCHAR, "char(64000)");
      registerColumnType(Types.NUMERIC, "numeric($p,$s)");
      registerColumnType(Types.REAL, "real");
      registerColumnType(Types.SMALLINT, "smallint");
      registerColumnType(Types.TIME, "time");
      registerColumnType(Types.TIMESTAMP, "timestamp");
      registerColumnType(Types.TINYINT, "byteint");
      // Netezza 4.6 doesn't appear to support bytea or any binary type.
      // registerColumnType(Types.VARBINARY, "bytea");
      registerColumnType(Types.VARCHAR, 64000, "varchar($l)");
      registerColumnType(Types.VARCHAR, "varchar(64000)");
    }
  }

  /** extended hibernate dialect used in this wrapper */
  private NetezzaDialectHelper _dialect = new NetezzaDialectHelper();

  private String cascadeClause;

  @Override
  public DialectType getDialectType()
  {
    return DialectType.NETEZZA;
  }

  @Override
  public String getDisplayName()
  {
    return "Netezza";
  }

  @Override
  public String getDropSequenceSQL(String sequenceName, boolean cascade, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    // "DROP SEQUENCE $sequenceName$ $cascade$";
    StringTemplate st = new StringTemplate(ST_DROP_SEQUENCE_STYLE_ONE);

    HashMap<String, String> valuesMap = DialectUtils.getValuesMap(ST_SEQUENCE_NAME_KEY, sequenceName);

    return DialectUtils.bindTemplateAttributes(this, st, valuesMap, qualifier, prefs);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getMaxPrecision(int)
   */
  @Override
  public int getMaxPrecision(int dataType)
  {
    return 38;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getMaxScale(int)
   */
  @Override
  public int getMaxScale(int dataType)
  {
    // user guide says scale can be 0 to as large as the precision. It cannot be
    // greater than the precision.
    return 38;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getPrecisionDigits(int, int)
   */
  @Override
  public int getPrecisionDigits(int columnSize, int dataType)
  {
    // Netezza correctly reports the size of the column in digits.
    return columnSize;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getTypeName(int, int, int, int)
   */
  @Override
  public String getTypeName(int code, int length, int precision, int scale) throws HibernateException
  {
    return _dialect.getTypeName(code, length, precision, scale);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAccessMethods()
   */
  @Override
  public boolean supportsAccessMethods()
  {
    // Access methods have to do with indexes. Since Netezza disallows users from creating or changing
    // indexes, this is unsupported
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAddColumn()
   */
  @Override
  public boolean supportsAddColumn()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAddForeignKeyConstraint()
   */
  @Override
  public boolean supportsAddForeignKeyConstraint()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAddUniqueConstraint()
   */
  @Override
  public boolean supportsAddUniqueConstraint()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAlterColumnDefault()
   */
  @Override
  public boolean supportsAlterColumnDefault()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAlterColumnNull()
   */
  @Override
  public boolean supportsAlterColumnNull()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAlterColumnType()
   */
  @Override
  public boolean supportsAlterColumnType()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAlterSequence()
   */
  @Override
  public boolean supportsAlterSequence()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsAutoIncrement()
   */
  @Override
  public boolean supportsAutoIncrement()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCheckOptionsForViews()
   */
  @Override
  public boolean supportsCheckOptionsForViews()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsColumnComment()
   */
  @Override
  public boolean supportsColumnComment()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCorrelatedSubQuery()
   */
  @Override
  public boolean supportsCorrelatedSubQuery()
  {
    // Although Netezza claims to support correlated sub-queries, the type of sub-query we want is not
    // supported:
    // update TOTABLE t set t.MYDESC =
    // (
    // select
    // f.MYDESC
    // from FROMTABLE f
    // where f.myid = t.myid
    // )
    // Furthermore, the only refactoring that currently uses this is MergeTable which also requires
    // add column support, which Netezza also doesn't seem to have.
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCreateIndex()
   */
  @Override
  public boolean supportsCreateIndex()
  {
    // Since Netezza disallows users from creating or changing indexes, this is unsupported
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCreateSequence()
   */
  @Override
  public boolean supportsCreateSequence()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCreateTable()
   */
  @Override
  public boolean supportsCreateTable()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsCreateView()
   */
  @Override
  public boolean supportsCreateView()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsDropColumn()
   */
  @Override
  public boolean supportsDropColumn()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsDropConstraint()
   */
  @Override
  public boolean supportsDropConstraint()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsDropIndex()
   */
  @Override
  public boolean supportsDropIndex()
  {
    // Since Netezza disallows users from creating or changing indexes, this is unsupported
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsDropSequence()
   */
  @Override
  public boolean supportsDropSequence()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsDropView()
   */
  @Override
  public boolean supportsDropView()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsEmptyTables()
   */
  @Override
  public boolean supportsEmptyTables()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsIndexes()
   */
  @Override
  public boolean supportsIndexes()
  {
    // Since Netezza disallows users from creating or changing indexes, this is unsupported
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsInsertInto()
   */
  @Override
  public boolean supportsInsertInto()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsMultipleRowInserts()
   */
  @Override
  public boolean supportsMultipleRowInserts()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsProduct(java.lang.String,
   *      java.lang.String)
   */
  @Override
  public boolean supportsProduct(String databaseProductName, String databaseProductVersion)
  {
    if (databaseProductName == null) { return false; }
    if (databaseProductName.trim().startsWith("Netezza"))
    {
      // We don't yet have the need to discriminate by version.
      return true;
    }
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsRenameColumn()
   */
  @Override
  public boolean supportsRenameColumn()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsRenameTable()
   */
  @Override
  public boolean supportsRenameTable()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsRenameView()
   */
  @Override
  public boolean supportsRenameView()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsSchemasInTableDefinition()
   */
  @Override
  public boolean supportsSchemasInTableDefinition()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsSequence()
   */
  @Override
  public boolean supportsSequence()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsSequenceInformation()
   */
  @Override
  public boolean supportsSequenceInformation()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsTablespace()
   */
  @Override
  public boolean supportsTablespace()
  {
    return false;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsUpdate()
   */
  @Override
  public boolean supportsUpdate()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#supportsViewDefinition()
   */
  @Override
  public boolean supportsViewDefinition()
  {
    return true;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getTableDropSQL(net.sourceforge.squirrel_sql.fw.sql.ITableInfo,
   *      boolean, boolean, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public List<String> getTableDropSQL(ITableInfo tableInfo, boolean cascadeConstraints,
    boolean isMaterializedView, DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    final boolean supportsCascade = false;
    final boolean supportsMatViews = true;
    return DialectUtils.getTableDropSQL(tableInfo, supportsCascade, cascadeConstraints, supportsMatViews,
      cascadeClause, isMaterializedView, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getColumnDropSQL(java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getColumnDropSQL(String tableName, String columnName, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs) throws UnsupportedOperationException
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, COLUMN_DROP_TYPE));
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getCreateIndexSQL(java.lang.String,
   *      java.lang.String, java.lang.String, java.lang.String[], boolean, java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getCreateIndexSQL(String indexName, String tableName, String accessMethod, String[] columns,
    boolean unique, String tablespace, String constraints, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, CREATE_INDEX_TYPE));
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getDropIndexSQL(java.lang.String,
   *      java.lang.String, boolean, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getDropIndexSQL(String tableName, String indexName, boolean cascade,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, DROP_INDEX_TYPE));
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getAddColumnSQL(net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getAddColumnSQL(TableColumnInfo column, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, ADD_COLUMN_TYPE));
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getColumnNullableAlterSQL(net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getColumnNullableAlterSQL(TableColumnInfo info, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, COLUMN_NULL_ALTER_TYPE));
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getColumnTypeAlterSQL(net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public List<String> getColumnTypeAlterSQL(TableColumnInfo from, TableColumnInfo to,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs) throws UnsupportedOperationException
  {
    throw new UnsupportedOperationException(getUnsupportedMessage(this, COLUMN_TYPE_ALTER_TYPE));

  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getColumnDefaultAlterSQL(net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getColumnDefaultAlterSQL(TableColumnInfo info, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    String alterClause = DialectUtils.ALTER_COLUMN_CLAUSE;
    boolean specifyType = false;
    String defaultClause = DialectUtils.SET_DEFAULT_CLAUSE;
    return DialectUtils.getColumnDefaultAlterSQL(this, info, alterClause, specifyType, defaultClause,
      qualifier, prefs);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getColumnNameAlterSQL(net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getColumnNameAlterSQL(TableColumnInfo from, TableColumnInfo to,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    String alterClause = DialectUtils.RENAME_COLUMN_CLAUSE;
    String renameToClause = DialectUtils.TO_CLAUSE;
    return DialectUtils.getColumnNameAlterSQL(from, to, alterClause, renameToClause, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getRenameTableSQL(java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getRenameTableSQL(String oldTableName, String newTableName,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    return DialectUtils.getRenameTableSQL(oldTableName, newTableName, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getCreateViewSQL(java.lang.String,
   *      java.lang.String, java.lang.String,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getCreateViewSQL(String viewName, String definition, String checkOption,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    return DialectUtils.getCreateViewSQL(viewName, definition, checkOption, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getRenameViewSQL(java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getRenameViewSQL(String oldViewName, String newViewName,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {

    String commandPrefix = DialectUtils.ALTER_VIEW_CLAUSE;
    String renameClause = DialectUtils.RENAME_TO_CLAUSE;
    return new String[] { DialectUtils.getRenameViewSQL(commandPrefix, renameClause, oldViewName,
      newViewName, qualifier, prefs, this) };
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getViewDefinitionSQL(java.lang.String,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getViewDefinitionSQL(String viewName, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    return "SELECT 'create or replace view ' || v.VIEWNAME || ' as ' || "
      + "v.definition FROM _v_view v, _v_objs_owned o " + "where v.objid = o.objid "
      + "and o.DATABASE = '" + qualifier.getCatalog() + "' " + "and v.VIEWNAME = '" + viewName + "'";
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getCreateSequenceSQL(java.lang.String,
   *      java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, boolean,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getCreateSequenceSQL(String sequenceName, String increment, String minimum, String maximum,
    String start, String cache, boolean cycle, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    final String minimumClause = DialectUtils.MINVALUE_CLAUSE;
    final String maximumClause = DialectUtils.MAXVALUE_CLAUSE;

    String cycleClause = DialectUtils.CYCLE_CLAUSE;
    if (!cycle)
    {
      cycleClause = DialectUtils.NO_CYCLE_CLAUSE;
    }

    return DialectUtils.getCreateSequenceSQL(sequenceName, increment, minimumClause, minimum,
      maximumClause, maximum, start, cache, cycleClause, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getAlterSequenceSQL(java.lang.String,
   *      java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, boolean,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getAlterSequenceSQL(String sequenceName, String increment, String minimum, String maximum,
    String restart, String cache, boolean cycle, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    String cycleClause = DialectUtils.CYCLE_CLAUSE;
    if (!cycle)
    {
      cycleClause = DialectUtils.NO_CYCLE_CLAUSE;
    }

    return new String[] { DialectUtils.getAlterSequenceSQL(sequenceName, increment, minimum, maximum,
      restart, cache, cycleClause, qualifier, prefs, this) };
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getSequencePropertyMutability()
   */
  @Override
  public SequencePropertyMutability getSequencePropertyMutability()
  {
    SequencePropertyMutability result = new SequencePropertyMutability();
    result.setCache(false);
    return result;
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getAddForeignKeyConstraintSQL(java.lang.String,
   *      java.lang.String, java.lang.String, java.lang.Boolean, java.lang.Boolean, java.lang.Boolean,
   *      boolean, java.lang.String, java.util.Collection, java.lang.String, java.lang.String,
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getAddForeignKeyConstraintSQL(String localTableName, String refTableName,
    String constraintName, Boolean deferrable, Boolean initiallyDeferred, Boolean matchFull,
    boolean autoFKIndex, String fkIndexName, Collection<String[]> localRefColumns, String onUpdateAction,
    String onDeleteAction, DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    return DialectUtils.getAddForeignKeyConstraintSQL(localTableName, refTableName, constraintName,
      deferrable, initiallyDeferred, matchFull, autoFKIndex, fkIndexName, localRefColumns, onUpdateAction,
      onDeleteAction, qualifier, prefs, this);
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getAddUniqueConstraintSQL(java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo[],
   *      net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String[] getAddUniqueConstraintSQL(String tableName, String constraintName,
    TableColumnInfo[] columns, DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    return new String[] { DialectUtils.getAddUniqueConstraintSQL(tableName, constraintName, columns,
      qualifier, prefs, this) };
  }

  /**
   * @see net.sourceforge.squirrel_sql.fw.dialects.CommonHibernateDialect#getDropConstraintSQL(java.lang.String,
   *      java.lang.String, net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier,
   *      net.sourceforge.squirrel_sql.fw.dialects.SqlGenerationPreferences)
   */
  @Override
  public String getDropConstraintSQL(String tableName, String constraintName,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    return DialectUtils.getDropConstraintSQL(tableName, constraintName, qualifier, prefs, this)
      + " RESTRICT";
  }

}
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