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| <h2 title="Class ConversionUtil" class="title">Class ConversionUtil</h2> |
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| <li>org.apache.calcite.util.ConversionUtil</li> |
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| <pre>public class <span class="typeNameLabel">ConversionUtil</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utility functions for converting from one type to another</div> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#NATIVE_UTF16_CHARSET_NAME">NATIVE_UTF16_CHARSET_NAME</a></span></code> </td> |
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| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#TEST_UNICODE_SQL_ESCAPED_LITERAL">TEST_UNICODE_SQL_ESCAPED_LITERAL</a></span></code> |
| <div class="block">A constant string which can be used wherever a SQL literal containing |
| Unicode escape characters is needed in a test.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#TEST_UNICODE_STRING">TEST_UNICODE_STRING</a></span></code> |
| <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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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#toBoolean-java.lang.String-">toBoolean</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> str)</code> |
| <div class="block">Converts a string into a boolean</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#toByteArrayFromString-java.lang.String-int-">toByteArrayFromString</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> value, |
| int radix)</code> |
| <div class="block">Converts a string into a byte array.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#toStringFromApprox-double-boolean-">toStringFromApprox</a></span>(double d, |
| boolean isFloat)</code> |
| <div class="block">Converts an approximate value into a string, following the SQL 2003 |
| standard.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ConversionUtil.html#toStringFromByteArray-byte:A-int-">toStringFromByteArray</a></span>(byte[] value, |
| int radix)</code> |
| <div class="block">Converts a byte array into a bit string or a hex string.</div> |
| </td> |
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| <h4>NATIVE_UTF16_CHARSET_NAME</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> NATIVE_UTF16_CHARSET_NAME</pre> |
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| <h4>TEST_UNICODE_STRING</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">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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| <h4>TEST_UNICODE_SQL_ESCAPED_LITERAL</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">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> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.calcite.util.ConversionUtil.TEST_UNICODE_SQL_ESCAPED_LITERAL">Constant Field Values</a></dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toStringFromByteArray(byte[] value, |
| int 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>public static byte[] toByteArrayFromString(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> value, |
| int radix)</pre> |
| <div class="block">Converts a string into a byte array. The inverse of |
| <a href="../../../../org/apache/calcite/util/ConversionUtil.html#toStringFromByteArray-byte:A-int-"><code>toStringFromByteArray(byte[], int)</code></a>.</div> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toStringFromApprox(double d, |
| boolean 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>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a> toBoolean(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> str)</pre> |
| <div class="block">Converts a string into a boolean</div> |
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