Java Doc for Column.java in  » Database-DBMS » h2database » org » h2 » table » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.table   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.h2.table.Column Column public class Column (Code) This class represents a column in a table. Field Summary final public static  int NOT_NULLABLENULLABLENULLABLE_UNKNOWN      Constructor Summary public   Column(String name, int type)      public   Column(String name, int type, long precision, int scale, int displaySize)      Method Summary public  void addCheckConstraint(Session session, Expression expr)      public  Value computeValue(Session session, Row row)      public  void convertAutoIncrementToSequence(Session session, Schema schema, int id, boolean temporary)      Convert the auto-increment flag to a sequence that is linked with this table. public  boolean equals(Object o)      public  boolean getAutoIncrement()      public  Expression getCheckConstraint(Session session, String asColumnName)      public  String getCheckConstraintSQL(Session session, String name)      public  Column getClone()      public  int getColumnId()      public  String getComment()      public  boolean getComputed()      public  String getCreateSQL()      public  DataType getDataType()      public  Expression getDefaultExpression()      public  String getDefaultSQL()      public  int getDisplaySize()      public  String getName()      public  boolean getNullable()      public  String getOriginalSQL()      public  long getPrecision()      public  int getPrecisionAsInt()      public  String getSQL()      public  int getScale()      public  int getSelectivity()      Get the selectivity of the column. public  Sequence getSequence()      public  Table getTable()      public  int getType()      public  int hashCode()       boolean isEverything(ExpressionVisitor visitor)      public  void prepareExpression(Session session)      public  void rename(String newName)      public  void setAutoIncrement(boolean autoInc, long start, long increment)      public  void setComment(String comment)      public  void setComputed(boolean computed, Expression expression)      public  void setConvertNullToDefault(boolean convert)      public  void setDefaultExpression(Session session, Expression defaultExpression)      public  void setNullable(boolean b)      public  void setOriginalSQL(String original)      public  void setPrimaryKey(boolean primaryKey)      public  void setSelectivity(int selectivity)      Set the new selectivity of a column. public  void setSequence(Sequence sequence)       void setTable(Table table, int columnId)      public  Value validateConvertUpdateSequence(Session session, Value value)      Field Detail NOT_NULLABLENULLABLENULLABLE_UNKNOWN final public static int NOT_NULLABLENULLABLENULLABLE_UNKNOWN(Code) Constructor Detail Column public Column(String name, int type)(Code) Column public Column(String name, int type, long precision, int scale, int displaySize)(Code) Method Detail addCheckConstraint public void addCheckConstraint(Session session, Expression expr) throws SQLException(Code) computeValue public Value computeValue(Session session, Row row) throws SQLException(Code) convertAutoIncrementToSequence public void convertAutoIncrementToSequence(Session session, Schema schema, int id, boolean temporary) throws SQLException(Code) Convert the auto-increment flag to a sequence that is linked with this table. Parameters:   session - the session Parameters:   schema - the schema where the sequence should be generated Parameters:   id - the object id Parameters:   temporary - true if the sequence is temporary and does not need tobe stored equals public boolean equals(Object o)(Code) getAutoIncrement public boolean getAutoIncrement()(Code) getCheckConstraint public Expression getCheckConstraint(Session session, String asColumnName) throws SQLException(Code) getCheckConstraintSQL public String getCheckConstraintSQL(Session session, String name) throws SQLException(Code) getClone public Column getClone()(Code) getColumnId public int getColumnId()(Code) getComment public String getComment()(Code) getComputed public boolean getComputed()(Code) getCreateSQL public String getCreateSQL()(Code) getDataType public DataType getDataType()(Code) getDefaultExpression public Expression getDefaultExpression()(Code) getDefaultSQL public String getDefaultSQL()(Code) getDisplaySize public int getDisplaySize()(Code) getName public String getName()(Code) getNullable public boolean getNullable()(Code) getOriginalSQL public String getOriginalSQL()(Code) getPrecision public long getPrecision()(Code) getPrecisionAsInt public int getPrecisionAsInt()(Code) getSQL public String getSQL()(Code) getScale public int getScale()(Code) getSelectivity public int getSelectivity()(Code) Get the selectivity of the column. Selectivity 100 means values are unique, 10 means every distinct value appears 10 times on average. the selectivity getSequence public Sequence getSequence()(Code) getTable public Table getTable()(Code) getType public int getType()(Code) hashCode public int hashCode()(Code) isEverything boolean isEverything(ExpressionVisitor visitor)(Code) prepareExpression public void prepareExpression(Session session) throws SQLException(Code) rename public void rename(String newName)(Code) setAutoIncrement public void setAutoIncrement(boolean autoInc, long start, long increment)(Code) setComment public void setComment(String comment)(Code) setComputed public void setComputed(boolean computed, Expression expression)(Code) setConvertNullToDefault public void setConvertNullToDefault(boolean convert)(Code) setDefaultExpression public void setDefaultExpression(Session session, Expression defaultExpression) throws SQLException(Code) setNullable public void setNullable(boolean b)(Code) setOriginalSQL public void setOriginalSQL(String original)(Code) setPrimaryKey public void setPrimaryKey(boolean primaryKey)(Code) setSelectivity public void setSelectivity(int selectivity)(Code) Set the new selectivity of a column. Parameters:   selectivity - the new value setSequence public void setSequence(Sequence sequence)(Code) setTable void setTable(Table table, int columnId)(Code) validateConvertUpdateSequence public Value validateConvertUpdateSequence(Session session, Value value) throws SQLException(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)