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java.lang.Objectweka.experiment.DatabaseUtils
weka.gui.sql.DbUtils
public class DbUtils
A little bit extended DatabaseUtils class.
Note: needs at least HSQLDB 1.7.3.3 to work, older versions do not support
Cursors that can also move backwards - see execute(String)
.
DatabaseUtils
,
execute(String)
,
Serialized FormField Summary |
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Fields inherited from class weka.experiment.DatabaseUtils |
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BOOL, BYTE, DATE, DOUBLE, EXP_INDEX_TABLE, EXP_RESULT_COL, EXP_RESULT_PREFIX, EXP_SETUP_COL, EXP_TYPE_COL, FLOAT, INTEGER, LONG, PROPERTY_FILE, SHORT, STRING, TEXT |
Constructor Summary | |
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DbUtils()
initializes the object |
Method Summary | |
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boolean |
execute(java.lang.String query)
Executes a SQL query. |
java.sql.Connection |
getConnection()
returns the current database connection |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DbUtils() throws java.lang.Exception
java.lang.Exception
- in case something goes wrong in the init of the
DatabaseUtils constructorDatabaseUtils
Method Detail |
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public boolean execute(java.lang.String query) throws java.sql.SQLException
execute
in class DatabaseUtils
query
- the SQL query
java.sql.SQLException
- if an error occursDatabaseUtils.close()
public java.sql.Connection getConnection()
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