public class DBExistsExpr extends DBCompareExpr
| Modifier and Type | Field and Description |
|---|---|
DBCommandExpr |
cmd |
DBCompareExpr |
compareExpr |
CTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE| Constructor and Description |
|---|
DBExistsExpr(DBCommandExpr cmd)
Constructs a DBExistsExpr object set the specified parameters to this object.
|
DBExistsExpr(DBCommandExpr cmd,
DBCompareExpr compareExpr)
Constructs a DBExistsExpr object set the specified parameters to this object.
|
| 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)
Creates the SQL-Command.
|
DBCompareExpr |
copy(DBCommand newCmd)
Copy Command
|
DBDatabase |
getDatabase()
Returns the current DBDatabase object.
|
boolean |
isMutuallyExclusive(DBCompareExpr other)
Returns wheter the constraint should replace another one or not.
|
void |
prepareCommand(DBCommand cmd)
Prepare function
|
and, not, orcheckParamNullpublic final DBCommandExpr cmd
public final DBCompareExpr compareExpr
public DBExistsExpr(DBCommandExpr cmd)
cmd - the DBCommandExpr objectpublic DBExistsExpr(DBCommandExpr cmd, DBCompareExpr compareExpr)
cmd - the DBCommandExpr objectcompareExpr - The expression to append to the end of the exists statementpublic final DBDatabase getDatabase()
getDatabase in class DBObjectpublic void prepareCommand(DBCommand cmd)
prepareCommand in class DBCompareExprcmd - public DBCompareExpr copy(DBCommand newCmd)
copy in class DBCompareExprnewCmd - 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)
public boolean isMutuallyExclusive(DBCompareExpr other)
isMutuallyExclusive in class DBCompareExprCopyright © 2008–2023 Apache Software Foundation. All rights reserved.