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patch from Oliver Jowett to implement some of the jdbc3 methods

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This commit is contained in:
Dave Cramer 2003-02-05 11:12:39 +00:00
parent 865429e00f
commit 32c3db0f86
1 changed files with 51 additions and 1 deletions
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52
src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java
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@ -14,7 +14,7 @@ import org.postgresql.largeobject.LargeObjectManager;
import org.postgresql.util.*;
/* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/Attic/AbstractJdbc1Connection.java,v 1.14 2003/02/04 09:20:08 barry Exp $
/* $Header: /cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc1/Attic/AbstractJdbc1Connection.java,v 1.15 2003/02/05 11:12:39 davec Exp $
* This class defines methods of the jdbc1 specification. This class is
* extended by org.postgresql.jdbc2.AbstractJdbc2Connection which adds the jdbc2
* methods. The real Connection class (for jdbc1) is org.postgresql.jdbc1.Jdbc1Connection
@ -1159,6 +1159,56 @@ public abstract class AbstractJdbc1Connection implements org.postgresql.PGConnec
return dbVersionNumber;
}
// Parse a "dirty" integer surrounded by non-numeric characters
private static int integerPart(String dirtyString)
{
int start, end;
for (start = 0; start < dirtyString.length() && !Character.isDigit(dirtyString.charAt(start)); ++start)
;
for (end = start; end < dirtyString.length() && Character.isDigit(dirtyString.charAt(end)); ++end)
;
if (start == end)
return 0;
return Integer.parseInt(dirtyString.substring(start, end));
}
/*
* Get server major version
*/
public int getServerMajorVersion()
{
try
{
StringTokenizer versionTokens = new StringTokenizer(dbVersionNumber, "."); // aaXbb.ccYdd
return integerPart(versionTokens.nextToken()); // return X
}
catch (NoSuchElementException e)
{
return 0;
}
}
/*
* Get server minor version
*/
public int getServerMinorVersion()
{
try
{
StringTokenizer versionTokens = new StringTokenizer(dbVersionNumber, "."); // aaXbb.ccYdd
versionTokens.nextToken(); // Skip aaXbb
return integerPart(versionTokens.nextToken()); // return Y
}
catch (NoSuchElementException e)
{
return 0;
}
}
/**
* Is the server we are connected to running at least this version?
* This comparison method will fail whenever a major or minor version