public class DBCrossJoinExpr extends DBJoinExpr
| Modifier and Type | Field and Description |
|---|---|
protected DBRowSet |
left |
protected DBRowSet |
right |
typeCTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE| Constructor and Description |
|---|
DBCrossJoinExpr(DBRowSet left,
DBRowSet right)
Constructs a new DBJoinExpr object initialize this object with
the left and right column and the data type of the join
expression.
|
| Modifier and Type | Method and Description |
|---|---|
void |
addReferencedColumns(Set<DBColumn> list)
Internal function to obtain all DBColumnExpr-objects used by this expression.
|
void |
addSQL(DBSQLBuilder sql,
long context)
Not allowed, this operation have to be done in the DBCommand object.
|
DBJoinExpr |
copy(DBCommand newCmd)
Copy Command
|
boolean |
equals(Object obj)
Compares two DBJoinExpr objects.
|
DBDatabase |
getDatabase()
Returns the current DBDatabase object.
|
DBRowSet |
getLeftTable()
returns the RowSet on the left of the join
|
DBRowSet |
getOuterTable()
Returns the left table name if the data type= JOIN_LEFT and returns
the right table if the data type= JOIN_RIGHT.
|
DBRowSet |
getRightTable()
returns the RowSet on the right of the join
|
boolean |
isJoinOn(DBColumn column)
returns true if this join is using the given column or false otherwise
|
boolean |
isJoinOn(DBRowSet rowset)
returns true if this join is using the given table or view or false otherwise
|
void |
prepareCommand(DBCommand cmd)
prepareCommand
Nothing to do here
|
void |
reverse()
This function swaps the left and the right statements of the join expression.
|
void |
setType(DBJoinType type)
alters the join type for this join
|
getTypecheckParamNullpublic final DBDatabase getDatabase()
getDatabase in class DBObjectpublic DBRowSet getLeftTable()
getLeftTable in class DBJoinExprpublic DBRowSet getRightTable()
getRightTable in class DBJoinExprpublic boolean isJoinOn(DBRowSet rowset)
isJoinOn in class DBJoinExprpublic boolean isJoinOn(DBColumn column)
isJoinOn in class DBJoinExprpublic DBRowSet getOuterTable()
getOuterTable in class DBJoinExprpublic void setType(DBJoinType type)
setType in class DBJoinExprtype - the join typepublic void reverse()
reverse in class DBJoinExprpublic void prepareCommand(DBCommand cmd)
prepareCommand in class DBJoinExprcmd - the commandpublic DBJoinExpr copy(DBCommand newCmd)
copy in class DBJoinExprnewCmd - the new command objectpublic void addReferencedColumns(Set<DBColumn> list)
DBExpraddReferencedColumns in class DBExprlist - list to which all used column expressions must be addedDBExpr.addReferencedColumns(Set)public void addSQL(DBSQLBuilder sql, long context)
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