org.objectweb.medor.query.rdb.lib
Class BasicRdbStringQueryLeaf
java.lang.Object
BasicCloneable
org.objectweb.medor.lib.BasicTupleStructure
org.objectweb.medor.query.lib.BasicQueryTree
org.objectweb.medor.query.rdb.lib.BasicRdbQueryLeaf
org.objectweb.medor.query.rdb.lib.BasicRdbStringQueryLeaf
- All Implemented Interfaces:
- Cloneable, java.lang.Cloneable, QueryLeaf, QueryTree, RdbQueryLeaf, RdbStringQueryLeaf, TupleStructure
- public class BasicRdbStringQueryLeaf
- extends BasicRdbQueryLeaf
- implements RdbStringQueryLeaf
This class represents a QueryLeaf that maps onto a relational database store.
- See Also:
- Serialized Form
Method Summary |
RdbField |
addRdbField(java.lang.String name,
PType type,
java.lang.String colName)
Adds a Field to the RdbExpQueryLeaf |
java.lang.String |
getSelectList(java.lang.String selectList,
java.util.ArrayList selectFields,
boolean qualified)
Builds the SELECT clause of the query (without "SELECT "). |
java.lang.String |
getSqlRequest(ParameterOperand[] pos)
Returns the associated SQL query.
|
java.lang.String |
getSqlRequest(ParameterOperand[] pos,
java.util.ArrayList al)
Returns the associated SQL query.
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.objectweb.medor.api.Cloneable |
clone |
BasicRdbStringQueryLeaf
public BasicRdbStringQueryLeaf()
BasicRdbStringQueryLeaf
public BasicRdbStringQueryLeaf(DataStore ds,
java.lang.String query,
java.lang.String nodeName)
- Constructs a BasicRdbStringQueryLeaf from an SQL string.
addRdbField
public RdbField addRdbField(java.lang.String name,
PType type,
java.lang.String colName)
- Description copied from interface:
RdbStringQueryLeaf
- Adds a Field to the RdbExpQueryLeaf
- Specified by:
addRdbField
in interface RdbStringQueryLeaf
- Parameters:
name
- is the name of the Field to be added.type
- is the PTyme of the Field to be added.colName
- is the name of the column in the associated
QualifiedTable.
- Returns:
- the created RdbExpField.
getSqlRequest
public java.lang.String getSqlRequest(ParameterOperand[] pos)
- Description copied from interface:
RdbQueryLeaf
- Returns the associated SQL query.
In the case of an RdbExpQueryLeaf, the query is computed.
- Specified by:
getSqlRequest
in interface RdbQueryLeaf
- Returns:
- the SQL query associated to the RdbQueryLeaf, as a String.
getSqlRequest
public java.lang.String getSqlRequest(ParameterOperand[] pos,
java.util.ArrayList al)
throws MedorException
- Description copied from interface:
RdbQueryLeaf
- Returns the associated SQL query.
n the case of an RdbExpQueryLeaf, the query is computed.
- Specified by:
getSqlRequest
in interface RdbQueryLeaf
- Returns:
- the SQL query associated to the RdbQueryLeaf, as a String.
- Throws:
MedorException
- in the case of RdbExpQueryLeaves if the
SQL request cannot be computed from the associated Expression
getSelectList
public java.lang.String getSelectList(java.lang.String selectList,
java.util.ArrayList selectFields,
boolean qualified)
throws MedorException
- Description copied from interface:
RdbQueryLeaf
- Builds the SELECT clause of the query (without "SELECT ").
- Specified by:
getSelectList
in interface RdbQueryLeaf
- Parameters:
selectList
- is the start of the SELECT clause to which the list
of qualified columns is appended.selectFields
- is the fields for the SELECT clause. Such fields can
either be plain fields, or can be aggregate fieldsqualified
- indicates whether the field names should be qualified
with the table name or not.
- Returns:
- the list of qualified columns for the SELECT clause
- Throws:
MedorException