本文整理汇总了Java中net.hydromatic.optiq.jdbc.OptiqConnection类的典型用法代码示例。如果您正苦于以下问题：Java OptiqConnection类的具体用法？Java OptiqConnection怎么用？Java OptiqConnection使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
OptiqConnection类属于net.hydromatic.optiq.jdbc包，在下文中一共展示了OptiqConnection类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getConnection
import net.hydromatic.optiq.jdbc.OptiqConnection; //导入依赖的package包/类
public static Connection getConnection(ISnapshot snapshot)
throws SQLException {
try {
Class.forName("net.hydromatic.optiq.jdbc.Driver");
} catch (ClassNotFoundException e) {
throw new SQLException(
"Unable to load Optiq JDBC driver", e);
}
Properties info = new Properties();
info.put("lex", "JAVA");
info.put("quoting", "DOUBLE_QUOTE");
Connection connection = DriverManager.getConnection(
"jdbc:optiq:", info);
OptiqConnection con = connection
.unwrap(OptiqConnection.class);
if (snapshot == null)
return connection;
SchemaPlus root = con.getRootSchema();
HeapSchema prototype = SCHEMA_CACHE.get(snapshot);
HeapSchema heapSchema = new HeapSchema(root, "HEAP", snapshot,
prototype);
if (prototype == null)
SCHEMA_CACHE.put(snapshot, heapSchema);
root.add(heapSchema);
con.setSchema(heapSchema.getName());
return connection;
}
示例2: setConnectionProperties
import net.hydromatic.optiq.jdbc.OptiqConnection; //导入依赖的package包/类
private void setConnectionProperties() {
OptiqConnection conn = (OptiqConnection) optiqContext.getQueryProvider();
Properties connProps = conn.getProperties();
String propThreshold = connProps.getProperty(OLAPQuery.PROP_SCAN_THRESHOLD);
int threshold = Integer.valueOf(propThreshold);
olapContext.storageContext.setThreshold(threshold);
}
示例3: connect
import net.hydromatic.optiq.jdbc.OptiqConnection; //导入依赖的package包/类
@Override
public Connection connect(String url, Properties info) throws SQLException {
Connection connection = super.connect(url, info);
OptiqConnection optiqConnection = (OptiqConnection) connection;
final MutableSchema rootSchema = optiqConnection.getRootSchema();
try {
schema = new TableSchema<CosmosSql>(rootSchema, COSMOS, rootSchema.getSubSchemaExpression(COSMOS, TableSchema.class),
(CosmosSql) definer, CosmosTable.class, connector, auths, metadataTable);
schema.initialize();
rootSchema.addSchema(COSMOS, schema);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
return optiqConnection;
}