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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">I've only patched these files for myself without any proper testing but I present below more details about it. I'm sorry but this is as much I'm able to put an effort to the case.</p> <p style="margin: 10px 0 0 0">Each time the <tt>extractionContext.getJdbcConnection()</tt> or <tt>extractionContext.getJdbcDatabaseMetaData()</tt> is called a proper <tt>extractionContext.cleanup</tt> must follow. Same applies to <tt>SequenceInformationExtractorH2DatabaseImpl</tt> .</p>
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">public</span> class SequenceInformationExtractorLegacyImpl <span class="code-keyword" style="color: #000091">implements</span> SequenceInformationExtractor {
@Override
<span class="code-keyword" style="color: #000091">public</span> Iterable<SequenceInformation> extractMetadata(ExtractionContext extractionContext) <span class="code-keyword" style="color: #000091">throws</span> SQLException {
...
<span class="code-keyword" style="color: #000091">final</span> Connection connection = extractionContext.getJdbcConnection();
<span class="code-keyword" style="color: #000091">try</span> {
<span class="code-keyword" style="color: #000091">final</span> Statement statement = connection.createStatement();
<span class="code-keyword" style="color: #000091">try</span> {
...
} <span class="code-keyword" style="color: #000091">finally</span> {
<span class="code-keyword" style="color: #000091">try</span> {
statement.close();
} <span class="code-keyword" style="color: #000091">catch</span> (SQLException ignore) {}
}
} <span class="code-keyword" style="color: #000091">finally</span> {
extractionContext.cleanup();
}
}
}
</pre>
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</div> <p style="margin: 10px 0 0 0">Most public methods (<tt>catalogExists,getColumn,getForeignKeys,getIndexes,getPrimaryKey,getTable,schemaExists</tt>) of <tt>InformationExtractorJdbcDatabaseMetaDataImpl</tt> suffer from this as well and here it revolves mostly around database metadata that might have some optimization issues if it's retrieved again and again each time these methods are called (as I had done).</p> <p style="margin: 10px 0 0 0">The most complex case was in the <tt>JpaSchemaGenerator</tt> but that seems to have been "resolved" in the latest deprecation process.</p> </td>
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