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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.calcite.rel.type</div> |
| <h2 title="Interface RelDataTypeSystem" class="title">Interface RelDataTypeSystem</h2> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/calcite/rel/type/DelegatingTypeSystem.html" title="class in org.apache.calcite.rel.type">DelegatingTypeSystem</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystemImpl.html" title="class in org.apache.calcite.rel.type">RelDataTypeSystemImpl</a></dd> |
| </dl> |
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| <br> |
| <pre>public interface <span class="typeNameLabel">RelDataTypeSystem</span></pre> |
| <div class="block">Type system. |
| |
| <p>Provides behaviors concerning type limits and behaviors. For example, |
| in the default system, a DECIMAL can have maximum precision 19, but Hive |
| overrides to 38. |
| |
| <p>The default implementation is <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#DEFAULT"><code>DEFAULT</code></a>.</div> |
| </li> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#DEFAULT">DEFAULT</a></span></code> |
| <div class="block">Default type system.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveAvgAggType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-">deriveAvgAggType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> argumentType)</code> |
| <div class="block">Returns the return type of a call to the <code>AVG</code>, <code>STDDEV</code> or |
| <code>VAR</code> aggregate functions, inferred from its argument type.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveCovarType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">deriveCovarType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> arg0Type, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> arg1Type)</code> |
| <div class="block">Returns the return type of a call to the <code>COVAR</code> aggregate function, |
| inferred from its argument types.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveDecimalDivideType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">deriveDecimalDivideType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</code> |
| <div class="block">Infers the return type of a decimal division.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveDecimalModType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">deriveDecimalModType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</code> |
| <div class="block">Infers the return type of a decimal modulus operation.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveDecimalMultiplyType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">deriveDecimalMultiplyType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</code> |
| <div class="block">Infers the return type of a decimal multiplication.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveDecimalPlusType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">deriveDecimalPlusType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</code> |
| <div class="block">Infers the return type of a decimal addition.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveFractionalRankType-org.apache.calcite.rel.type.RelDataTypeFactory-">deriveFractionalRankType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code> |
| <div class="block">Returns the return type of the <code>CUME_DIST</code> and <code>PERCENT_RANK</code> |
| aggregate functions.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveRankType-org.apache.calcite.rel.type.RelDataTypeFactory-">deriveRankType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code> |
| <div class="block">Returns the return type of the <code>NTILE</code>, <code>RANK</code>, |
| <code>DENSE_RANK</code>, and <code>ROW_NUMBER</code> aggregate functions.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#deriveSumType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-">deriveSumType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> argumentType)</code> |
| <div class="block">Returns the return type of a call to the <code>SUM</code> aggregate function, |
| inferred from its argument type.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getDefaultPrecision-org.apache.calcite.sql.type.SqlTypeName-">getDefaultPrecision</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns default precision for this type if supported, otherwise -1 if |
| precision is either unsupported or must be specified explicitly.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><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/rel/type/RelDataTypeSystem.html#getLiteral-org.apache.calcite.sql.type.SqlTypeName-boolean-">getLiteral</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| boolean isPrefix)</code> |
| <div class="block">Returns the LITERAL string for the type, either PREFIX/SUFFIX.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getMaxNumericPrecision--">getMaxNumericPrecision</a></span>()</code> |
| <div class="block">Returns the maximum precision of a NUMERIC or DECIMAL type.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getMaxNumericScale--">getMaxNumericScale</a></span>()</code> |
| <div class="block">Returns the maximum scale of a NUMERIC or DECIMAL type.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getMaxPrecision-org.apache.calcite.sql.type.SqlTypeName-">getMaxPrecision</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns the maximum precision (or length) allowed for this type, or -1 if |
| precision/length are not applicable for this type.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getMaxScale-org.apache.calcite.sql.type.SqlTypeName-">getMaxScale</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns the maximum scale of a given type.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#getNumTypeRadix-org.apache.calcite.sql.type.SqlTypeName-">getNumTypeRadix</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns the numeric type radix, typically 2 or 10.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#isAutoincrement-org.apache.calcite.sql.type.SqlTypeName-">isAutoincrement</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns whether the type can be auto increment.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#isCaseSensitive-org.apache.calcite.sql.type.SqlTypeName-">isCaseSensitive</a></span>(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</code> |
| <div class="block">Returns whether the type is case sensitive.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#isSchemaCaseSensitive--">isSchemaCaseSensitive</a></span>()</code> |
| <div class="block">Whether two record types are considered distinct if their field names |
| are the same but in different cases.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#shouldConvertRaggedUnionTypesToVarying--">shouldConvertRaggedUnionTypesToVarying</a></span>()</code> |
| <div class="block">Whether the least restrictive type of a number of CHAR types of different |
| lengths should be a VARCHAR type.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html#shouldUseDoubleMultiplication-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-">shouldUseDoubleMultiplication</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</code> |
| <div class="block">Returns whether a decimal multiplication should be implemented by casting |
| arguments to double values.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="DEFAULT"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>DEFAULT</h4> |
| <pre>static final <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> DEFAULT</pre> |
| <div class="block">Default type system.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="getMaxScale-org.apache.calcite.sql.type.SqlTypeName-"> |
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| </a> |
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| <h4>getMaxScale</h4> |
| <pre>int getMaxScale(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns the maximum scale of a given type.</div> |
| </li> |
| </ul> |
| <a name="getDefaultPrecision-org.apache.calcite.sql.type.SqlTypeName-"> |
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| </a> |
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| <h4>getDefaultPrecision</h4> |
| <pre>int getDefaultPrecision(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns default precision for this type if supported, otherwise -1 if |
| precision is either unsupported or must be specified explicitly.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Default precision</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMaxPrecision-org.apache.calcite.sql.type.SqlTypeName-"> |
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| <h4>getMaxPrecision</h4> |
| <pre>int getMaxPrecision(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns the maximum precision (or length) allowed for this type, or -1 if |
| precision/length are not applicable for this type.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Maximum allowed precision</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMaxNumericScale--"> |
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| <h4>getMaxNumericScale</h4> |
| <pre>int getMaxNumericScale()</pre> |
| <div class="block">Returns the maximum scale of a NUMERIC or DECIMAL type.</div> |
| </li> |
| </ul> |
| <a name="getMaxNumericPrecision--"> |
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| <h4>getMaxNumericPrecision</h4> |
| <pre>int getMaxNumericPrecision()</pre> |
| <div class="block">Returns the maximum precision of a NUMERIC or DECIMAL type.</div> |
| </li> |
| </ul> |
| <a name="getLiteral-org.apache.calcite.sql.type.SqlTypeName-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getLiteral</h4> |
| <pre><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> getLiteral(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| boolean isPrefix)</pre> |
| <div class="block">Returns the LITERAL string for the type, either PREFIX/SUFFIX.</div> |
| </li> |
| </ul> |
| <a name="isCaseSensitive-org.apache.calcite.sql.type.SqlTypeName-"> |
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| </a> |
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| <h4>isCaseSensitive</h4> |
| <pre>boolean isCaseSensitive(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns whether the type is case sensitive.</div> |
| </li> |
| </ul> |
| <a name="isAutoincrement-org.apache.calcite.sql.type.SqlTypeName-"> |
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| </a> |
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| <h4>isAutoincrement</h4> |
| <pre>boolean isAutoincrement(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns whether the type can be auto increment.</div> |
| </li> |
| </ul> |
| <a name="getNumTypeRadix-org.apache.calcite.sql.type.SqlTypeName-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getNumTypeRadix</h4> |
| <pre>int getNumTypeRadix(<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName)</pre> |
| <div class="block">Returns the numeric type radix, typically 2 or 10. |
| 0 means "not applicable".</div> |
| </li> |
| </ul> |
| <a name="deriveSumType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>deriveSumType</h4> |
| <pre><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveSumType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> argumentType)</pre> |
| <div class="block">Returns the return type of a call to the <code>SUM</code> aggregate function, |
| inferred from its argument type.</div> |
| </li> |
| </ul> |
| <a name="deriveAvgAggType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-"> |
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| <h4>deriveAvgAggType</h4> |
| <pre><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveAvgAggType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> argumentType)</pre> |
| <div class="block">Returns the return type of a call to the <code>AVG</code>, <code>STDDEV</code> or |
| <code>VAR</code> aggregate functions, inferred from its argument type.</div> |
| </li> |
| </ul> |
| <a name="deriveCovarType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveCovarType</h4> |
| <pre><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveCovarType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> arg0Type, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> arg1Type)</pre> |
| <div class="block">Returns the return type of a call to the <code>COVAR</code> aggregate function, |
| inferred from its argument types.</div> |
| </li> |
| </ul> |
| <a name="deriveFractionalRankType-org.apache.calcite.rel.type.RelDataTypeFactory-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveFractionalRankType</h4> |
| <pre><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveFractionalRankType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</pre> |
| <div class="block">Returns the return type of the <code>CUME_DIST</code> and <code>PERCENT_RANK</code> |
| aggregate functions.</div> |
| </li> |
| </ul> |
| <a name="deriveRankType-org.apache.calcite.rel.type.RelDataTypeFactory-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>deriveRankType</h4> |
| <pre><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveRankType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</pre> |
| <div class="block">Returns the return type of the <code>NTILE</code>, <code>RANK</code>, |
| <code>DENSE_RANK</code>, and <code>ROW_NUMBER</code> aggregate functions.</div> |
| </li> |
| </ul> |
| <a name="isSchemaCaseSensitive--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSchemaCaseSensitive</h4> |
| <pre>boolean isSchemaCaseSensitive()</pre> |
| <div class="block">Whether two record types are considered distinct if their field names |
| are the same but in different cases.</div> |
| </li> |
| </ul> |
| <a name="shouldConvertRaggedUnionTypesToVarying--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shouldConvertRaggedUnionTypesToVarying</h4> |
| <pre>boolean shouldConvertRaggedUnionTypesToVarying()</pre> |
| <div class="block">Whether the least restrictive type of a number of CHAR types of different |
| lengths should be a VARCHAR type. And similarly BINARY to VARBINARY.</div> |
| </li> |
| </ul> |
| <a name="shouldUseDoubleMultiplication-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
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| <h4>shouldUseDoubleMultiplication</h4> |
| <pre>default boolean shouldUseDoubleMultiplication(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</pre> |
| <div class="block">Returns whether a decimal multiplication should be implemented by casting |
| arguments to double values. |
| |
| <p>Pre-condition: <code>createDecimalProduct(type1, type2) != null</code></div> |
| </li> |
| </ul> |
| <a name="deriveDecimalPlusType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveDecimalPlusType</h4> |
| <pre>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveDecimalPlusType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</pre> |
| <div class="block">Infers the return type of a decimal addition. Decimal addition involves |
| at least one decimal operand and requires both operands to have exact |
| numeric types. |
| |
| <p>Rules: |
| |
| <ul> |
| <li>Let p1, s1 be the precision and scale of the first operand</li> |
| <li>Let p2, s2 be the precision and scale of the second operand</li> |
| <li>Let p, s be the precision and scale of the result</li> |
| <li>Let d be the number of whole digits in the result</li> |
| <li>Then the result type is a decimal with: |
| <ul> |
| <li>s = max(s1, s2)</li> |
| <li>p = max(p1 - s1, p2 - s2) + s + 1</li> |
| </ul> |
| </li> |
| <li>p and s are capped at their maximum values</li> |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - TypeFactory used to create output type</dd> |
| <dd><code>type1</code> - Type of the first operand</dd> |
| <dd><code>type2</code> - Type of the second operand</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Result type for a decimal addition</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/calcite/util/Glossary.html#SQL2003"><code>SQL:2003 Part 2 Section 6.26</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deriveDecimalMultiplyType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveDecimalMultiplyType</h4> |
| <pre>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveDecimalMultiplyType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</pre> |
| <div class="block">Infers the return type of a decimal multiplication. Decimal |
| multiplication involves at least one decimal operand and requires both |
| operands to have exact numeric types. |
| |
| <p>The default implementation is SQL:2003 compliant. |
| |
| <p>Rules: |
| |
| <ul> |
| <li>Let p1, s1 be the precision and scale of the first operand</li> |
| <li>Let p2, s2 be the precision and scale of the second operand</li> |
| <li>Let p, s be the precision and scale of the result</li> |
| <li>Let d be the number of whole digits in the result</li> |
| <li>Then the result type is a decimal with: |
| <ul> |
| <li>p = p1 + p2)</li> |
| <li>s = s1 + s2</li> |
| </ul> |
| </li> |
| <li>p and s are capped at their maximum values</li> |
| </ul> |
| |
| <p>p and s are capped at their maximum values</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - TypeFactory used to create output type</dd> |
| <dd><code>type1</code> - Type of the first operand</dd> |
| <dd><code>type2</code> - Type of the second operand</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Result type for a decimal multiplication, or null if decimal |
| multiplication should not be applied to the operands</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/calcite/util/Glossary.html#SQL2003"><code>SQL:2003 Part 2 Section 6.26</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deriveDecimalDivideType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveDecimalDivideType</h4> |
| <pre>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveDecimalDivideType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</pre> |
| <div class="block">Infers the return type of a decimal division. Decimal division involves |
| at least one decimal operand and requires both operands to have exact |
| numeric types. |
| |
| <p>The default implementation is SQL:2003 compliant. |
| |
| <p>Rules: |
| |
| <ul> |
| <li>Let p1, s1 be the precision and scale of the first operand</li> |
| <li>Let p2, s2 be the precision and scale of the second operand</li> |
| <li>Let p, s be the precision and scale of the result</li> |
| <li>Let d be the number of whole digits in the result</li> |
| <li>Then the result type is a decimal with: |
| <ul> |
| <li>d = p1 - s1 + s2</li> |
| <li>s < max(6, s1 + p2 + 1)</li> |
| <li>p = d + s</li> |
| </ul> |
| </li> |
| <li>p and s are capped at their maximum values</li> |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - TypeFactory used to create output type</dd> |
| <dd><code>type1</code> - Type of the first operand</dd> |
| <dd><code>type2</code> - Type of the second operand</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Result type for a decimal division, or null if decimal |
| division should not be applied to the operands</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/calcite/util/Glossary.html#SQL2003"><code>SQL:2003 Part 2 Section 6.26</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deriveDecimalModType-org.apache.calcite.rel.type.RelDataTypeFactory-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rel.type.RelDataType-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>deriveDecimalModType</h4> |
| <pre>default <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveDecimalModType(<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type1, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type2)</pre> |
| <div class="block">Infers the return type of a decimal modulus operation. Decimal modulus |
| involves at least one decimal operand. |
| |
| <p>The default implementation is SQL:2003 compliant: the declared type of |
| the result is the declared type of the second operand (expression divisor).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - TypeFactory used to create output type</dd> |
| <dd><code>type1</code> - Type of the first operand</dd> |
| <dd><code>type2</code> - Type of the second operand</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Result type for a decimal modulus, or null if decimal |
| modulus should not be applied to the operands</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/calcite/util/Glossary.html#SQL2003"><code>SQL:2003 Part 2 Section 6.27 |
| |
| <p>Rules: |
| |
| <ul> |
| <li>Let p1, s1 be the precision and scale of the first operand</li> |
| <li>Let p2, s2 be the precision and scale of the second operand</li> |
| <li>Let p, s be the precision and scale of the result</li> |
| <li>Let d be the number of whole digits in the result</li> |
| <li>Then the result type is a decimal with: |
| <ul> |
| <li>s = max(s1, s2)</li> |
| <li>p = min(p1 - s1, p2 - s2) + max(s1, s2)</li> |
| </ul> |
| </li> |
| <li>p and s are capped at their maximum values</li> |
| </ul></code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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