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java.lang.Objectcom.caucho.db.sql.Expr
com.caucho.db.sql.SubSelectExpr
public class SubSelectExpr
Field Summary | |
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protected static L10N |
L
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Fields inherited from class com.caucho.db.sql.Expr |
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FALSE, TRUE, UNKNOWN |
Method Summary | |
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Expr |
bind(Query query)
Binds the expression to the query. |
java.lang.String |
evalString(QueryContext context)
Evaluates the expression as a string. |
SelectQuery |
getSubSelect()
Returns the query. |
java.lang.Class |
getType()
Returns the expected result type of the expression. |
long |
subCost(java.util.ArrayList<FromItem> fromList)
Returns the cost based on the given FromList. |
java.lang.String |
toString()
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Methods inherited from class com.caucho.db.sql.Expr |
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cost, createOrder, evalBoolean, evalBytes, evalDate, evalDouble, evalEqual, evalEqual, evalGroup, evalLong, evalStream, evalToBuffer, evalToBuffer, evalToResult, getIndexExpr, getName, getSQLType, getTable, getTypeCode, indexCost, indexSubCost, initGroup, isBinaryStream, isBoolean, isDouble, isLong, isNull, isNullable, isParam, isSelect, splitAnd, updateDouble, updateLong, updateString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected static final L10N L
Method Detail |
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public SelectQuery getSubSelect()
public Expr bind(Query query) throws java.sql.SQLException
bind
in class Expr
java.sql.SQLException
public java.lang.Class getType()
getType
in class Expr
public long subCost(java.util.ArrayList<FromItem> fromList)
subCost
in class Expr
public java.lang.String evalString(QueryContext context) throws java.sql.SQLException
evalString
in class Expr
rows
- the current database tuple
java.sql.SQLException
public java.lang.String toString()
toString
in class java.lang.Object
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