logger.debug("metadata: {}", metadata);
        }

        return metadata;
    }

    // workaround: Tika does not have extention points.
    /**
     * This class is a parser that detects the document type.
     */
    protected class TikaDetectParser extends CompositeParser {
        private static final long serialVersionUID = 1L;

        /**

         * @param exception the failure exception
         */
        void onFailure(SmbCircuitBreaker circuitBreaker, Exception exception);

        /**
         * Called when circuit breaker rejects a request
         *
         * @param circuitBreaker the circuit breaker
         */
        void onCallRejected(SmbCircuitBreaker circuitBreaker);
    }

    /**

### Read Heroes { #read-heroes }

We can **read** `Hero`s from the database using a `select()`. We can include a `limit` and `offset` to paginate the results.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[48:55] hl[51:52,54] *}

### Read One Hero { #read-one-hero }

### Helden lesen { #read-heroes }

Wir können `Hero`s aus der Datenbank mit einem `select()` **lesen**. Wir können ein `limit` und `offset` hinzufügen, um die Ergebnisse zu paginieren.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[48:55] hl[51:52,54] *}

### Einen Helden lesen { #read-one-hero }

<img src="/img/tutorial/behind-a-proxy/image03.png">

/// tip

The docs UI will interact with the server that you select.

///

/// note | Technical Details

The `servers` property in the OpenAPI specification is optional.

	// We have however a dynamic downstream buffer (ch).
	buf := bytes.NewBuffer(grid.GetByteBuffer())
	enc := json.NewEncoder(buf)
	tmpEvt := struct{ Records []event.Event }{[]event.Event{{}}}
	for {
		select {
		case <-ctx.Done():
			grid.PutByteBuffer(buf.Bytes())
			return nil
		case ev := <-ch:
			buf.Reset()
			tmpEvt.Records[0] = ev
			if err := enc.Encode(tmpEvt); err != nil {

	    statement</a>.</li>
	</ul>
</li>

<li>
	A <a href="#Select_statements">"select" statement</a> in which:
	<ul>
	<li>there are no "break" statements referring to the "select" statement, and</li>
	<li>the statement lists in each case, including the default if present,
	    end in a terminating statement.</li>
	</ul>
</li>

<li>

        if (log.isDebugEnabled()) {
            log.debug("Adding key " + key + " to " + dr);
        }

        /*
         * Subtract the server and share from the pathConsumed so that
         * it reflects the part of the relative path consumed and not
         * the entire path.
         */

        DfsReferralDataInternal next = dri;
        do {

                            previous.getArtifact().setVersionRange(newRange);
                            node.getArtifact().setVersionRange(currentRange.restrict(previousRange));

                            // Select an appropriate available version from the (now restricted) range
                            // Note this version was selected before to get the appropriate POM

    // the `keys` and `values` arrays do not need to change. But because the "short hash" now has a
    // different number of bits, we must rewrite each element of `entries` so that its contribution
    // to the full hashcode reflects the change, and so that its `next` link corresponds to the new
    // linked list of entries with the new short hash.
    for (int oldTableIndex = 0; oldTableIndex <= oldMask; oldTableIndex++) {