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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.util</a></div>
<h2 title="Class ConversionUtil" class="title">Class ConversionUtil</h2>
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<pre>public class <span class="typeNameLabel">ConversionUtil</span>
extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre>
<div class="block">Utility functions for converting from one type to another.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NATIVE_UTF16_CHARSET_NAME">NATIVE_UTF16_CHARSET_NAME</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TEST_UNICODE_SQL_ESCAPED_LITERAL">TEST_UNICODE_SQL_ESCAPED_LITERAL</a></span></code></th>
<td class="colLast">
<div class="block">A constant string which can be used wherever a SQL literal containing
Unicode escape characters is needed in a test.</div>
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</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TEST_UNICODE_STRING">TEST_UNICODE_STRING</a></span></code></th>
<td class="colLast">
<div class="block">A constant string which can be used wherever a Java string containing
Unicode characters is needed in a test.</div>
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<div class="block">Converts a string into a BOOLEAN.</div>
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<td class="colFirst"><code>static byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toByteArrayFromString(java.lang.String,int)">toByteArrayFromString</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;value,
int&nbsp;radix)</code></th>
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<div class="block">Converts a string into a byte array.</div>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toStringFromApprox(double,boolean)">toStringFromApprox</a></span>&#8203;(double&nbsp;d,
boolean&nbsp;isFloat)</code></th>
<td class="colLast">
<div class="block">Converts an approximate value into a string, following the SQL 2003
standard.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toStringFromByteArray(byte%5B%5D,int)">toStringFromByteArray</a></span>&#8203;(byte[]&nbsp;value,
int&nbsp;radix)</code></th>
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<div class="block">Converts a byte array into a bit string or a hex string.</div>
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<h4>NATIVE_UTF16_CHARSET_NAME</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> NATIVE_UTF16_CHARSET_NAME</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> TEST_UNICODE_STRING</pre>
<div class="block">A constant string which can be used wherever a Java string containing
Unicode characters is needed in a test. It spells 'anthropos' in Greek.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.calcite.util.ConversionUtil.TEST_UNICODE_STRING">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> TEST_UNICODE_SQL_ESCAPED_LITERAL</pre>
<div class="block">A constant string which can be used wherever a SQL literal containing
Unicode escape characters is needed in a test. It spells 'anthropos' in
Greek. The escape character is the SQL default (backslash); note that the
backslash-doubling here is for Java only, so by the time the SQL parser
gets it, there is only one backslash.</div>
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<h4>toStringFromByteArray</h4>
<pre class="methodSignature">public static&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;toStringFromByteArray&#8203;(byte[]&nbsp;value,
int&nbsp;radix)</pre>
<div class="block">Converts a byte array into a bit string or a hex string.
<p>For example, <code>toStringFromByteArray(new byte[] {0xAB, 0xCD},
16)</code> returns <code>ABCD</code>.</div>
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<h4>toByteArrayFromString</h4>
<pre class="methodSignature">public static&nbsp;byte[]&nbsp;toByteArrayFromString&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;value,
int&nbsp;radix)</pre>
<div class="block">Converts a string into a byte array. The inverse of
<a href="#toStringFromByteArray(byte%5B%5D,int)"><code>toStringFromByteArray(byte[], int)</code></a>.</div>
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<pre class="methodSignature">public static&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;toStringFromApprox&#8203;(double&nbsp;d,
boolean&nbsp;isFloat)</pre>
<div class="block">Converts an approximate value into a string, following the SQL 2003
standard.</div>
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<h4>toBoolean</h4>
<pre class="methodSignature">public static&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang" class="externalLink">Boolean</a>&nbsp;toBoolean&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;str)</pre>
<div class="block">Converts a string into a BOOLEAN.</div>
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