diff options
Diffstat (limited to 'src/interfaces/jdbc/org/postgresql/Connection.java')
| -rw-r--r-- | src/interfaces/jdbc/org/postgresql/Connection.java | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/interfaces/jdbc/org/postgresql/Connection.java b/src/interfaces/jdbc/org/postgresql/Connection.java index fc03116f43..aba2849171 100644 --- a/src/interfaces/jdbc/org/postgresql/Connection.java +++ b/src/interfaces/jdbc/org/postgresql/Connection.java @@ -11,7 +11,7 @@ import org.postgresql.util.*; import org.postgresql.core.*; /** - * $Id: Connection.java,v 1.28 2001/09/07 22:17:02 momjian Exp $ + * $Id: Connection.java,v 1.29 2001/09/10 15:07:05 momjian Exp $ * * This abstract class is used by org.postgresql.Driver to open either the JDBC1 or * JDBC2 versions of the Connection class. @@ -22,15 +22,13 @@ public abstract class Connection // This is the network stream associated with this connection public PG_Stream pg_stream; - // This is set by org.postgresql.Statement.setMaxRows() - //public int maxrows = 0; // maximum no. of rows; 0 = unlimited - private String PG_HOST; private int PG_PORT; private String PG_USER; private String PG_PASSWORD; private String PG_DATABASE; private boolean PG_STATUS; + private String compatible; /** * The encoding to use for this connection. @@ -123,6 +121,11 @@ public abstract class Connection PG_PORT = port; PG_HOST = host; PG_STATUS = CONNECTION_BAD; + if(info.getProperty("compatible")==null) { + compatible = d.getMajorVersion() + "." + d.getMinorVersion(); + } else { + compatible = info.getProperty("compatible"); + } // Now make the initial connection try @@ -968,6 +971,23 @@ public abstract class Connection return (getDBVersionNumber().compareTo(ver) >= 0); } + /** + * This method returns true if the compatible level set in the connection + * (which can be passed into the connection or specified in the URL) + * is at least the value passed to this method. This is used to toggle + * between different functionality as it changes across different releases + * of the jdbc driver code. The values here are versions of the jdbc client + * and not server versions. For example in 7.1 get/setBytes worked on + * LargeObject values, in 7.2 these methods were changed to work on bytea + * values. This change in functionality could be disabled by setting the + * "compatible" level to be 7.1, in which case the driver will revert to + * the 7.1 functionality. + */ + public boolean haveMinimumCompatibleVersion(String ver) throws SQLException + { + return (compatible.compareTo(ver) >= 0); + } + /** * This returns the java.sql.Types type for a PG type oid |