optimized for oracle

2023-03-04 19:17:16 +00:00 · 2011-12-30 14:58:08 +08:00
parent 3948a5ede6
commit 5bbf3312ee
7 changed files with 139 additions and 104 deletions
@@ -0,0 +1,75 @@
+package com.alibaba.druid.util;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+import oracle.jdbc.OracleConnection;
+import oracle.jdbc.OracleResultSet;
+import oracle.jdbc.OracleStatement;
+import oracle.sql.ROWID;
+
+import com.alibaba.druid.pool.PoolablePreparedStatement;
+
+public class OracleUtils {
+
+    public static void clearDefines(PoolablePreparedStatement stmt) throws SQLException {
+        OracleStatement oracleStmt = stmt.unwrap(OracleStatement.class);
+        oracleStmt.clearDefines();
+    }
+
+    public static int getRowPrefetch(PreparedStatement stmt) throws SQLException {
+        OracleStatement oracleStmt = stmt.unwrap(OracleStatement.class);
+        return oracleStmt.getRowPrefetch();
+    }
+
+    public static void setRowPrefetch(PreparedStatement stmt, int value) throws SQLException {
+        OracleStatement oracleStmt = stmt.unwrap(OracleStatement.class);
+        oracleStmt.setRowPrefetch(value);
+    }
+
+    public static void setDefaultRowPrefetch(Connection conn, int value) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        oracleConn.setDefaultRowPrefetch(value);
+    }
+
+    public static int getDefaultRowPrefetch(Connection conn, int value) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        return oracleConn.getDefaultRowPrefetch();
+    }
+
+    public static void cancel(Connection conn) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        oracleConn.cancel();
+    }
+
+    public static int pingDatabase(Connection conn) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        return oracleConn.pingDatabase();
+    }
+
+    public static void openProxySession(Connection conn, int type, java.util.Properties prop) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        oracleConn.openProxySession(type, prop);
+    }
+
+    public static int getDefaultExecuteBatch(Connection conn) throws SQLException {
+        OracleConnection oracleConn = unwrap(conn);
+        return oracleConn.getDefaultExecuteBatch();
+    }
+
+    public static OracleConnection unwrap(Connection conn) throws SQLException {
+        if (conn instanceof OracleConnection) {
+            return (OracleConnection) conn;
+        }
+
+        return conn.unwrap(OracleConnection.class);
+    }
+
+    public static ROWID getROWID(ResultSet rs, int columnIndex) throws SQLException {
+        OracleResultSet oracleResultSet = rs.unwrap(OracleResultSet.class);
+        return oracleResultSet.getROWID(columnIndex);
+    }
+
+}