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| <h1 title="程序包" class="title">程序包 org.apache.calcite.piglet</h1> |
| <div class="docSummary"> |
| <div class="block">Piglet, a Pig-like language.</div> |
| </div> |
| <p>请参阅: <a href="#package.description">说明</a></p> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="类概要表, 列表类和解释"> |
| <caption><span>类概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">类</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.html" title="org.apache.calcite.piglet中的类">Ast</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract syntax tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Assignment.html" title="org.apache.calcite.piglet中的类">Ast.Assignment</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class for statements that assign to a named relation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Assignment1.html" title="org.apache.calcite.piglet中的类">Ast.Assignment1</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class for an assignment with one source relation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.BagType.html" title="org.apache.calcite.piglet中的类">Ast.BagType</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for a bag type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Call.html" title="org.apache.calcite.piglet中的类">Ast.Call</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for a call to a function or operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.DescribeStmt.html" title="org.apache.calcite.piglet中的类">Ast.DescribeStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for DESCRIBE statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.DistinctStmt.html" title="org.apache.calcite.piglet中的类">Ast.DistinctStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for DISTINCT statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.DumpStmt.html" title="org.apache.calcite.piglet中的类">Ast.DumpStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for DUMP statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.FieldSchema.html" title="org.apache.calcite.piglet中的类">Ast.FieldSchema</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for field schema.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.FilterStmt.html" title="org.apache.calcite.piglet中的类">Ast.FilterStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for FILTER statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.ForeachNestedStmt.html" title="org.apache.calcite.piglet中的类">Ast.ForeachNestedStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for FOREACH statement (nested).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.ForeachStmt.html" title="org.apache.calcite.piglet中的类">Ast.ForeachStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for FOREACH statement (non-nested).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.GroupStmt.html" title="org.apache.calcite.piglet中的类">Ast.GroupStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for GROUP statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Identifier.html" title="org.apache.calcite.piglet中的类">Ast.Identifier</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for Identifier.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.LimitStmt.html" title="org.apache.calcite.piglet中的类">Ast.LimitStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for LIMIT statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Literal.html" title="org.apache.calcite.piglet中的类">Ast.Literal</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for Literal.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.LoadStmt.html" title="org.apache.calcite.piglet中的类">Ast.LoadStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for LOAD statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.MapType.html" title="org.apache.calcite.piglet中的类">Ast.MapType</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for a map type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Node.html" title="org.apache.calcite.piglet中的类">Ast.Node</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class for parse tree node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.NumericLiteral.html" title="org.apache.calcite.piglet中的类">Ast.NumericLiteral</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for NumericLiteral.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.OrderStmt.html" title="org.apache.calcite.piglet中的类">Ast.OrderStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for ORDER statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Program.html" title="org.apache.calcite.piglet中的类">Ast.Program</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for a program.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.ScalarType.html" title="org.apache.calcite.piglet中的类">Ast.ScalarType</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for scalar type such as <code>int</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Schema.html" title="org.apache.calcite.piglet中的类">Ast.Schema</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for schema.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.SpecialIdentifier.html" title="org.apache.calcite.piglet中的类">Ast.SpecialIdentifier</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for "*", a special kind of identifier.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Stmt.html" title="org.apache.calcite.piglet中的类">Ast.Stmt</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class for parse tree node representing a statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.TupleType.html" title="org.apache.calcite.piglet中的类">Ast.TupleType</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for a tuple type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Type.html" title="org.apache.calcite.piglet中的类">Ast.Type</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree for type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.ValuesStmt.html" title="org.apache.calcite.piglet中的类">Ast.ValuesStmt</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node for VALUES statement.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/DynamicTupleRecordType.html" title="org.apache.calcite.piglet中的类">DynamicTupleRecordType</a></td> |
| <td class="colLast"> |
| <div class="block">Represents Pig Tuples with unknown fields.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Handler.html" title="org.apache.calcite.piglet中的类">Handler</a></td> |
| <td class="colLast"> |
| <div class="block">Walks over a Piglet AST and calls the corresponding methods in a |
| <a href="../../../../org/apache/calcite/piglet/PigRelBuilder.html" title="org.apache.calcite.piglet中的类"><code>PigRelBuilder</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigConverter.html" title="org.apache.calcite.piglet中的类">PigConverter</a></td> |
| <td class="colLast"> |
| <div class="block">Extension from PigServer to convert Pig scripts into logical relational |
| algebra plans and SQL statements.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigRelBuilder.html" title="org.apache.calcite.piglet中的类">PigRelBuilder</a></td> |
| <td class="colLast"> |
| <div class="block">Extension to <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="org.apache.calcite.tools中的类"><code>RelBuilder</code></a> for Pig logical operators.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigRelSqlUdfs.html" title="org.apache.calcite.piglet中的类">PigRelSqlUdfs</a></td> |
| <td class="colLast"> |
| <div class="block">User-defined functions (<a href="../../../../org/apache/calcite/sql/validate/SqlUserDefinedFunction.html" title="org.apache.calcite.sql.validate中的类"><code>UDFs</code></a>) |
| needed for Pig-to-<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>RelNode</code></a> translation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigRelToSqlConverter.html" title="org.apache.calcite.piglet中的类">PigRelToSqlConverter</a></td> |
| <td class="colLast"> |
| <div class="block">An extension of <a href="../../../../org/apache/calcite/rel/rel2sql/RelToSqlConverter.html" title="org.apache.calcite.rel.rel2sql中的类"><code>RelToSqlConverter</code></a> to convert a relation algebra tree, |
| translated from a Pig script, into a SQL statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigTable.html" title="org.apache.calcite.piglet中的类">PigTable</a></td> |
| <td class="colLast"> |
| <div class="block">A non-queriable table that contains only row type to represent a Pig Table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigToSqlAggregateRule.html" title="org.apache.calcite.piglet中的类">PigToSqlAggregateRule</a></td> |
| <td class="colLast"> |
| <div class="block">Planner rule that converts Pig aggregate UDF calls to built-in SQL |
| aggregates.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigUdfs.html" title="org.apache.calcite.piglet中的类">PigUdfs</a></td> |
| <td class="colLast"> |
| <div class="block">Implementation methods.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/PigUserDefinedFunction.html" title="org.apache.calcite.piglet中的类">PigUserDefinedFunction</a></td> |
| <td class="colLast"> |
| <div class="block">Class to represent Pig UDF objects</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="枚举概要表, 列表枚举和解释"> |
| <caption><span>枚举概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">枚举</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Direction.html" title="org.apache.calcite.piglet中的枚举">Ast.Direction</a></td> |
| <td class="colLast"> |
| <div class="block">Sort direction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/piglet/Ast.Op.html" title="org.apache.calcite.piglet中的枚举">Ast.Op</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node type.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="程序包org.apache.calcite.piglet的说明">程序包org.apache.calcite.piglet的说明</h2> |
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