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java.lang.Objectorg.h2.fulltext.FullText
org.h2.fulltext.FullTextLucene
public class FullTextLucene
This class implements the full text search based on Apache Lucene. Most methods can be called using SQL statements as well.
| Nested Class Summary | |
|---|---|
static class |
FullTextLucene.FullTextTrigger
Trigger updates the index when a inserting, updating, or deleting a row. |
| Field Summary | |
|---|---|
protected static boolean |
STORE_DOCUMENT_TEXT_IN_INDEX
Whether the text content should be stored in the Lucene index. |
| Constructor Summary | |
|---|---|
FullTextLucene()
|
|
| Method Summary | |
|---|---|
protected static java.sql.SQLException |
convertException(java.lang.Exception e)
Convert an exception to a fulltext exception. |
static void |
createIndex(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table,
java.lang.String columnList)
Create a new full text index for a table and column list. |
protected static void |
createTrigger(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table)
Create the trigger. |
static void |
dropAll(java.sql.Connection conn)
Drops all full text indexes from the database. |
protected static org.h2.fulltext.FullTextLucene.IndexAccess |
getIndexAccess(java.sql.Connection conn)
Get the index writer/searcher wrapper for the given connection. |
protected static java.lang.String |
getIndexPath(java.sql.Connection conn)
Get the path of the Lucene index for this database. |
protected static void |
indexExistingRows(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table)
Add the existing data to the index. |
static void |
init(java.sql.Connection conn)
Initializes full text search functionality for this database. |
static void |
reindex(java.sql.Connection conn)
Re-creates the full text index for this database. |
protected static void |
removeIndexAccess(org.h2.fulltext.FullTextLucene.IndexAccess access,
java.lang.String indexPath)
Close the index writer and searcher and remove them from the index access set. |
static java.sql.ResultSet |
search(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset)
Searches from the full text index for this database. |
protected static java.sql.ResultSet |
search(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset,
boolean data)
Do the search. |
static java.sql.ResultSet |
searchData(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset)
Searches from the full text index for this database. |
| Methods inherited from class org.h2.fulltext.FullText |
|---|
addWords, addWords, asString, closeAll, createResultSet, dropIndex, hasChanged, parseKey, quoteSQL, removeAllTriggers, setColumns, setIgnoreList, setWhitespaceChars, throwException |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected static final boolean STORE_DOCUMENT_TEXT_IN_INDEX
| Constructor Detail |
|---|
public FullTextLucene()
| Method Detail |
|---|
public static void init(java.sql.Connection conn)
throws java.sql.SQLException
CREATE ALIAS IF NOT EXISTS FTL_INIT FOR
"org.h2.fulltext.FullTextLucene.init";
CALL FTL_INIT();
conn - the connection
java.sql.SQLException
public static void createIndex(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table,
java.lang.String columnList)
throws java.sql.SQLException
conn - the connectionschema - the schema name of the table (case sensitive)table - the table name (case sensitive)columnList - the column list (null for all columns)
java.sql.SQLException
public static void reindex(java.sql.Connection conn)
throws java.sql.SQLException
conn - the connection
java.sql.SQLException
public static void dropAll(java.sql.Connection conn)
throws java.sql.SQLException
conn - the connection
java.sql.SQLException
public static java.sql.ResultSet search(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset)
throws java.sql.SQLException
conn - the connectiontext - the search querylimit - the maximum number of rows or 0 for no limitoffset - the offset or 0 for no offset
java.sql.SQLException
public static java.sql.ResultSet searchData(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset)
throws java.sql.SQLException
conn - the connectiontext - the search querylimit - the maximum number of rows or 0 for no limitoffset - the offset or 0 for no offset
java.sql.SQLExceptionprotected static java.sql.SQLException convertException(java.lang.Exception e)
e - the original exception
protected static void createTrigger(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table)
throws java.sql.SQLException
conn - the database connectionschema - the schema nametable - the table name
java.sql.SQLException
protected static org.h2.fulltext.FullTextLucene.IndexAccess getIndexAccess(java.sql.Connection conn)
throws java.sql.SQLException
conn - the connection
java.sql.SQLException
protected static java.lang.String getIndexPath(java.sql.Connection conn)
throws java.sql.SQLException
conn - the database connection
java.sql.SQLException
protected static void indexExistingRows(java.sql.Connection conn,
java.lang.String schema,
java.lang.String table)
throws java.sql.SQLException
conn - the database connectionschema - the schema nametable - the table name
java.sql.SQLException
protected static void removeIndexAccess(org.h2.fulltext.FullTextLucene.IndexAccess access,
java.lang.String indexPath)
throws java.sql.SQLException
access - the index writer/searcher wrapperindexPath - the index path
java.sql.SQLException
protected static java.sql.ResultSet search(java.sql.Connection conn,
java.lang.String text,
int limit,
int offset,
boolean data)
throws java.sql.SQLException
conn - the database connectiontext - the querylimit - the limitoffset - the offsetdata - whether the raw data should be returned
java.sql.SQLException
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