oracle.javatools.db.sql
Class FromObject
java.lang.Object
oracle.javatools.db.AbstractDBObject
oracle.javatools.db.AbstractChildDBObject
oracle.javatools.db.sql.AbstractSQLFragment
oracle.javatools.db.sql.AbstractAliasFragment
oracle.javatools.db.sql.FromObject
- All Implemented Interfaces:
- ChildDBObject, DBObject, AliasFragment, SQLFragment, Copyable, DynamicPropertySet
public class FromObject
- extends AbstractAliasFragment
Object that represents a clause in the FROM statement of a SQL query.
- Since:
- 10.1.3
Field Summary |
static java.lang.String |
TYPE
|
Constructor Summary |
FromObject()
Create an empty FROM object. |
FromObject(SQLFragment expression,
java.lang.String alias)
Create a FROM object with the given expression and alias. |
Methods inherited from class oracle.javatools.db.AbstractDBObject |
changeParent, compareToImpl, copyObject, copyTo, copyTo, copyTo, copyTo, equals, equalsImpl, findOwnedObject, findOwnedObject, findOwnedObject, getChildSupport, getID, getOwnedObjects, getOwnedObjects, getOwnedObjectsImpl, getProperties, getProperty, getReferenceIDs, getReferenceIDsImpl, hashCode, includeOwnedObject, includesType, includesType, removeThisAsParent, replaceReferenceIDs, setID, setProperties |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface oracle.javatools.db.DBObject |
copyTo, copyTo, copyTo, findOwnedObject, findOwnedObject, getID, getOwnedObjects, getOwnedObjects, getReferenceIDs, replaceReferenceIDs, setID |
TYPE
public static final java.lang.String TYPE
- See Also:
- Constant Field Values
FromObject
public FromObject()
- Create an empty FROM object.
FromObject
public FromObject(SQLFragment expression,
java.lang.String alias)
- Create a FROM object with the given expression and alias.
setPivotExpression
public void setPivotExpression(SQLFragment pivot)
getPivotExpression
public SQLFragment getPivotExpression()
getType
public java.lang.String getType()
- Description copied from interface:
DBObject
- Returns the type of this object. Valid types include things like
tables, views, synonyms, and columns.
- Specified by:
getType
in interface DBObject
- Overrides:
getType
in class AbstractSQLFragment
- Returns:
- a string describing the type of object.
setExpression
public void setExpression(SQLFragment exp)
- Description copied from class:
AbstractAliasFragment
- Sets the expression part of the fragment.
- Specified by:
setExpression
in interface AliasFragment
- Overrides:
setExpression
in class AbstractAliasFragment
canHaveAlias
public boolean canHaveAlias()
- Description copied from class:
AbstractAliasFragment
- In certain circumstances an AliasFragment cannot have an alias. This method
returns false if that is the case.
- Overrides:
canHaveAlias
in class AbstractAliasFragment
getSQLText
public java.lang.String getSQLText()
- Description copied from class:
AbstractAliasFragment
- Returns the entire fragment (expression plus alias in external form).
- Specified by:
getSQLText
in interface AliasFragment
- Specified by:
getSQLText
in interface SQLFragment
- Overrides:
getSQLText
in class AbstractAliasFragment
- Returns:
- a string representing the SQL text for this object.
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