Java Doc for ColumnExp.java in  » Testing » PolePosition-0.20 » com » versant » core » jdbc » sql » exp » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » PolePosition 0.20 » com.versant.core.jdbc.sql.exp   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.versant.core.jdbc.sql.exp.SqlExp       com.versant.core.jdbc.sql.exp.LeafExp          com.versant.core.jdbc.sql.exp.ColumnExp ColumnExp public class ColumnExp extends LeafExp (Code) The name of a column. Field Summary public  ClassMetaData cmd      The class this expression is for (-1 if none). public  JdbcColumn col      This may be null in which case this expression refers to all columns (i.e. public  JdbcField jdbcField      The field this expression is for (null if none). public  SelectExp selectExp      The table this column belongs to. Constructor Summary public   ColumnExp(JdbcColumn col, SelectExp selectExp, JdbcField jdbcField)      public   ColumnExp()      public   ColumnExp(String asValue)      Method Summary public  void appendSQLImp(SqlDriver driver, CharBuf s, SqlExp leftSibling)      Append SQL for this node to s. public  int createAlias(int index)      Create an aliases for any subtables we may have. public  SqlExp createInstance()      public  String getAsValue()      public  int getClassIndex()      public  SqlExp getClone(SqlExp columnExp, Map cloneMap)      public  ClassMetaData getCmd()      public  int getJavaTypeCode()      public  int getJdbcType()      public  SelectExp getSingleSelectExp(SelectExp exclude)      If this expression involves a single table only then return the SelectExp for the table (e.g. public  boolean isAliasedColumn()      public  void replaceSelectExpRef(SelectExp old, SelectExp nw)      Replace any references to old with nw. public  void setCmd(ClassMetaData cmd)      public  void setColAlias(String columnAlias)      public  String toString()      Field Detail cmd public ClassMetaData cmd(Code) The class this expression is for (-1 if none). col public JdbcColumn col(Code) This may be null in which case this expression refers to all columns (i.e. a 'select *'). jdbcField public JdbcField jdbcField(Code) The field this expression is for (null if none). selectExp public SelectExp selectExp(Code) The table this column belongs to. This provides the correct alias. Constructor Detail ColumnExp public ColumnExp(JdbcColumn col, SelectExp selectExp, JdbcField jdbcField)(Code) ColumnExp public ColumnExp()(Code) ColumnExp public ColumnExp(String asValue)(Code) Method Detail appendSQLImp public void appendSQLImp(SqlDriver driver, CharBuf s, SqlExp leftSibling)(Code) Append SQL for this node to s. Parameters:   driver - The driver being used Parameters:   s - Append the SQL here Parameters:   leftSibling - createAlias public int createAlias(int index)(Code) Create an aliases for any subtables we may have. createInstance public SqlExp createInstance()(Code) getAsValue public String getAsValue()(Code) getClassIndex public int getClassIndex()(Code) What is the class index for this expression (-1 if unknown)? See Also:   ParamNode getClone public SqlExp getClone(SqlExp columnExp, Map cloneMap)(Code) getCmd public ClassMetaData getCmd()(Code) getJavaTypeCode public int getJavaTypeCode()(Code) What is the java type code of this expression (0 if unknown)? getJdbcType public int getJdbcType()(Code) What is the JDBC type of this expression (0 if unknown)? getSingleSelectExp public SelectExp getSingleSelectExp(SelectExp exclude)(Code) If this expression involves a single table only then return the SelectExp for the table (e.g. a.col1 == 10 returns a, a.col1 = b.col2 returns null). This is used to detect expressions that can be moved into the ON list for the join to the table involved. Parameters:   exclude - isAliasedColumn public boolean isAliasedColumn()(Code) replaceSelectExpRef public void replaceSelectExpRef(SelectExp old, SelectExp nw)(Code) Replace any references to old with nw. This is used when redundant joins are removed. setCmd public void setCmd(ClassMetaData cmd)(Code) setColAlias public void setColAlias(String columnAlias)(Code) toString public String toString()(Code) Methods inherited from com.versant.core.jdbc.sql.exp.LeafExp public int createAlias(int index)(Code)(Java Doc) public SqlExp createInstance()(Code)(Java Doc) public SqlExp normalize(SqlDriver driver, SelectExp sel, boolean convertExists)(Code)(Java Doc) Fields inherited from com.versant.core.jdbc.sql.exp.SqlExp final public static int NO(Code)(Java Doc) final public static int YES(Code)(Java Doc) final public static int YES_DISTINCT(Code)(Java Doc) final public static int YES_DISTINCT_NOT(Code)(Java Doc) public SqlExp childList(Code)(Java Doc) public SqlExp next(Code)(Java Doc) Methods inherited from com.versant.core.jdbc.sql.exp.SqlExp public void append(SqlExp extra)(Code)(Java Doc) final public void appendSQL(SqlDriver driver, CharBuf s, SqlExp leftSibling)(Code)(Java Doc) protected void appendSQLImp(SqlDriver driver, CharBuf s, SqlExp leftSibling)(Code)(Java Doc) public static SqlExp appendWithAnd(SqlExp base, SqlExp e)(Code)(Java Doc) public int createAlias(int index)(Code)(Java Doc) public static SqlExp createBinaryOpExp(SqlExp left, int op, SqlExp right)(Code)(Java Doc) public static SqlExp createClone(SqlExp sqlExp)(Code)(Java Doc) public static SqlExp createClone(SqlExp inst, Map cloneMap)(Code)(Java Doc) public SqlExp createInstance()(Code)(Java Doc) public void dump(String indent)(Code)(Java Doc) public void dumpList(String indent)(Code)(Java Doc) public int getClassIndex()(Code)(Java Doc) public SqlExp getClone(SqlExp clone, Map cloneMap)(Code)(Java Doc) public int getConvertToJoin()(Code)(Java Doc) public int getFirstCharIndex()(Code)(Java Doc) public int getJavaTypeCode()(Code)(Java Doc) public int getJdbcType()(Code)(Java Doc) final public int getLastCharIndex()(Code)(Java Doc) final public int getPreFirstCharIndex()(Code)(Java Doc) public SelectExp getSingleSelectExp(SelectExp exclude)(Code)(Java Doc) public boolean isNegative()(Code)(Java Doc) public SqlExp normalize(SqlDriver driver, SelectExp sel, boolean convertExists)(Code)(Java Doc) public void replaceSelectExpRef(SelectExp old, SelectExp nw)(Code)(Java Doc) public boolean requiresParensInAnd()(Code)(Java Doc) public boolean requiresParensInMultiply()(Code)(Java Doc) public void setOuter(boolean on)(Code)(Java Doc) public String toString()(Code)(Java Doc) 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)