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| <h1 title="Package" class="title">Package org.apache.calcite.rel.type</h1> |
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| <div class="block">Defines a type system for relational expressions.</div> |
| </section> |
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| <table class="typeSummary"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataType represents the type of a scalar expression or entire row returned |
| from a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypeFactory is a factory for datatype descriptors.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactory.FieldInfo.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory.FieldInfo</a></th> |
| <td class="colLast">Deprecated.</td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypeFamily represents a family of related types.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypeField represents the definition of a field in a structured |
| <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypePrecedenceList.html" title="interface in org.apache.calcite.rel.type">RelDataTypePrecedenceList</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypePrecedenceList defines a type precedence list for a particular |
| type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a></th> |
| <td class="colLast"> |
| <div class="block">Type system.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></th> |
| <td class="colLast"> |
| <div class="block">Can be converted into a <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a> given a |
| <a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeFactory</code></a>.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="DelegatingTypeSystem.html" title="class in org.apache.calcite.rel.type">DelegatingTypeSystem</a></th> |
| <td class="colLast"> |
| <div class="block">Implementation of <a href="RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeSystem</code></a> |
| that sends all methods to an underlying object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="DynamicRecordType.html" title="class in org.apache.calcite.rel.type">DynamicRecordType</a></th> |
| <td class="colLast"> |
| <div class="block">Specific type of RelRecordType that corresponds to a dynamic table, |
| where columns are created as they are requested.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="DynamicRecordTypeImpl.html" title="class in org.apache.calcite.rel.type">DynamicRecordTypeImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Implementation of <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a> for a dynamic table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelCrossType.html" title="class in org.apache.calcite.rel.type">RelCrossType</a></th> |
| <td class="colLast"> |
| <div class="block">Type of the cartesian product of two or more sets of records.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactory.Builder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.Builder</a></th> |
| <td class="colLast"> |
| <div class="block">Fluid API to build a list of fields.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactory.FieldInfoBuilder.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactory.FieldInfoBuilder</a></th> |
| <td class="colLast">Deprecated.</td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactoryImpl.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactoryImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Abstract base for implementations of <a href="RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeFactory</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFactoryImpl.Key.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactoryImpl.Key</a></th> |
| <td class="colLast"> |
| <div class="block">Key to the data type cache.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeField.ToFieldIndex.html" title="class in org.apache.calcite.rel.type">RelDataTypeField.ToFieldIndex</a></th> |
| <td class="colLast">Deprecated. |
| <div class="deprecationComment">Use <code>RelDataTypeField::getIndex</code></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeField.ToFieldName.html" title="class in org.apache.calcite.rel.type">RelDataTypeField.ToFieldName</a></th> |
| <td class="colLast">Deprecated. |
| <div class="deprecationComment">Use <code>RelDataTypeField::getName</code></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeFieldImpl.html" title="class in org.apache.calcite.rel.type">RelDataTypeFieldImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeField</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeHolder.html" title="class in org.apache.calcite.rel.type">RelDataTypeHolder</a></th> |
| <td class="colLast"> |
| <div class="block">Holding the expandable list of fields for dynamic table.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeImpl.html" title="class in org.apache.calcite.rel.type">RelDataTypeImpl</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypeImpl is an abstract base for implementations of |
| <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeImpl.Slot.html" title="class in org.apache.calcite.rel.type">RelDataTypeImpl.Slot</a></th> |
| <td class="colLast"> |
| <div class="block">Work space for <a href="RelDataTypeImpl.html#getFieldRecurse(java.util.List,org.apache.calcite.rel.type.RelDataType,int,java.lang.String,boolean)"><code>RelDataTypeImpl.getFieldRecurse(java.util.List<org.apache.calcite.rel.type.RelDataTypeImpl.Slot>, org.apache.calcite.rel.type.RelDataType, int, java.lang.String, boolean)</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeSystemImpl.html" title="class in org.apache.calcite.rel.type">RelDataTypeSystemImpl</a></th> |
| <td class="colLast"> |
| <div class="block">Default implementation of |
| <a href="RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type"><code>RelDataTypeSystem</code></a>, |
| providing parameters from the SQL standard.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="RelRecordType.html" title="class in org.apache.calcite.rel.type">RelRecordType</a></th> |
| <td class="colLast"> |
| <div class="block">RelRecordType represents a structured type having named fields.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelRecordType.SerializableRelRecordType.html" title="class in org.apache.calcite.rel.type">RelRecordType.SerializableRelRecordType</a></th> |
| <td class="colLast"> |
| <div class="block">Skinny object which has the same information content as a |
| <a href="RelRecordType.html" title="class in org.apache.calcite.rel.type"><code>RelRecordType</code></a> but skips redundant stuff like digest and the |
| immutable list.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary"> |
| <caption><span>Enum Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Enum</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colFirst" scope="row"><a href="RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a></th> |
| <td class="colLast"> |
| <div class="block">RelDataTypeComparability is an enumeration of the categories of comparison |
| operators which types may support.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colFirst" scope="row"><a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a></th> |
| <td class="colLast"> |
| <div class="block">Describes a policy for resolving fields in record types.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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