photomigration.html

图片管理程序

 
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<A NAME="PhotoMigration()"><!-- --></A><H3>
PhotoMigration</H3>
<PRE>
public <B>PhotoMigration</B>()</PRE>
<DL>
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<A NAME="tryQuery(java.lang.String)"><!-- --></A><H3>
tryQuery</H3>
<PRE>
protected boolean <B>tryQuery</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;query)
                    throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>Try a query and see whether it would succeed.  This is used for
 testing tables, views, etc...
<P>
<DD><DL>

<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
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<A NAME="runSqlScript(java.lang.String)"><!-- --></A><H3>
runSqlScript</H3>
<PRE>
protected void <B>runSqlScript</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;path)
                     throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>Run the given script as a transaction.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - The relative path to the migration sql script.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
</DL>
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<A NAME="runSqlScript(java.lang.String, boolean, boolean)"><!-- --></A><H3>
runSqlScript</H3>
<PRE>
protected void <B>runSqlScript</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;path,
                            boolean&nbsp;autocommit,
                            boolean&nbsp;errok)
                     throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>Run a SQL script with the ability to run it as a transaction and
 ignore errors.  You may not ignore errors if the script is
 transactional.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - The relative path to the migration sql script.<DD><CODE>autocommit</CODE> - If false, the script will run as a single transaction.<DD><CODE>errok</CODE> - If true, errors will be reported, but the script will
				continue.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
</DL>
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<A NAME="hasColumn(java.lang.String, java.lang.String)"><!-- --></A><H3>
hasColumn</H3>
<PRE>
protected boolean <B>hasColumn</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;table,
                            <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;column)
                     throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>True if the given table has the given column.
<P>
<DD><DL>

<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
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<A NAME="migrate()"><!-- --></A><H3>
migrate</H3>
<PRE>
public abstract void <B>migrate</B>()
                      throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>Perform the migration.
<P>
<DD><DL>

<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
</DL>
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<A NAME="fetchThumbnails()"><!-- --></A><H3>
fetchThumbnails</H3>
<PRE>
protected void <B>fetchThumbnails</B>()
                        throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></PRE>
<DL>
<DD>Fetch all thumbnails.  This is used to populate caches and stuff
 like that.
<P>
<DD><DL>

<DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">Exception</A></CODE></DL>
</DD>
</DL>
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