org.apache.calcite.tools.Frameworks类的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.apache.calcite.tools.Frameworks类的一些代码示例，展示了Frameworks类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Frameworks类的具体详情如下：
包路径：org.apache.calcite.tools.Frameworks
类名称：Frameworks

Frameworks介绍

[英]Tools for invoking Calcite functionality without initializing a container / server first.
[中]无需首先初始化容器/服务器即可调用方解石功能的工具。

代码示例

代码示例来源：origin: apache/storm

public QueryPlanner(SchemaPlus schema) {
  final List<RelTraitDef> traitDefs = new ArrayList<RelTraitDef>();
  traitDefs.add(ConventionTraitDef.INSTANCE);
  traitDefs.add(RelCollationTraitDef.INSTANCE);
  List<SqlOperatorTable> sqlOperatorTables = new ArrayList<>();
  sqlOperatorTables.add(SqlStdOperatorTable.instance());
  sqlOperatorTables.add(new CalciteCatalogReader(CalciteSchema.from(schema),
      Collections.emptyList(), typeFactory, new CalciteConnectionConfigImpl(new Properties())));
  FrameworkConfig config = Frameworks.newConfigBuilder()
                    .defaultSchema(schema)
                    .operatorTable(new ChainedSqlOperatorTable(sqlOperatorTables))
                    .traitDefs(traitDefs)
                    .context(Contexts.EMPTY_CONTEXT)
                    .ruleSets(StreamsStormRuleSets.getRuleSets())
                    .costFactory(null)
                    .typeSystem(StormRelDataTypeSystem.STORM_REL_DATATYPE_SYSTEM)
                    .build();
  this.planner = Frameworks.getPlanner(config);
}

代码示例来源：origin: apache/storm

public static CalciteState sqlOverDummyTable(String sql)
  throws RelConversionException, ValidationException, SqlParseException {
  SchemaPlus schema = Frameworks.createRootSchema(true);
  JavaTypeFactory typeFactory = new JavaTypeFactoryImpl
    (RelDataTypeSystem.DEFAULT);
  StreamableTable streamableTable = new CompilerUtil.TableBuilderInfo(typeFactory)
    .field("ID", SqlTypeName.INTEGER, new ColumnConstraint.PrimaryKey(SqlMonotonicity.MONOTONIC, SqlParserPos.ZERO))
    .field("NAME", typeFactory.createType(String.class))
    .field("ADDR", typeFactory.createType(String.class))
    .build();
  Table table = streamableTable.stream();
  schema.add("FOO", table);
  schema.add("BAR", table);
  schema.add("MYPLUS", ScalarFunctionImpl.create(MyPlus.class, "eval"));
  QueryPlanner queryPlanner = new QueryPlanner(schema);
  StreamsRel tree = queryPlanner.getPlan(sql);
  System.out.println(StormRelUtils.explain(tree, SqlExplainLevel.ALL_ATTRIBUTES));
  return new CalciteState(schema, tree);
}

代码示例来源：origin: apache/drill

/**
 * Get optimized logical plan for the given QB tree in the semAnalyzer.
 *
 * @return
 * @throws SemanticException
 */
RelNode logicalPlan() throws SemanticException {
 RelNode optimizedOptiqPlan = null;
 CalcitePlannerAction calcitePlannerAction = null;
 if (this.columnAccessInfo == null) {
  this.columnAccessInfo = new ColumnAccessInfo();
 }
 calcitePlannerAction = new CalcitePlannerAction(prunedPartitions, this.columnAccessInfo);
 try {
  optimizedOptiqPlan = Frameworks.withPlanner(calcitePlannerAction, Frameworks
    .newConfigBuilder().typeSystem(new HiveTypeSystemImpl()).build());
 } catch (Exception e) {
  rethrowCalciteException(e);
  throw new AssertionError("rethrowCalciteException didn't throw for " + e.getMessage());
 }
 return optimizedOptiqPlan;
}

代码示例来源：origin: hortonworks/streamline

public void parse() {
  try {
    SchemaPlus schema = Frameworks.createRootSchema(true);
    FrameworkConfig config = Frameworks.newConfigBuilder().defaultSchema(schema).build();
    Planner planner = Frameworks.getPlanner(config);
    SqlSelect sqlSelect = (SqlSelect) planner.parse(sql);
    // FROM
    streams = parseStreams(sqlSelect);
    // SELECT
    projection = parseProjection(sqlSelect);
    // WHERE
    condition = parseCondition(sqlSelect);
    // GROUP BY
    groupBy = parseGroupBy(sqlSelect);
    // HAVING
    having = parseHaving(sqlSelect);
  } catch (Exception ex) {
    LOG.error("Got Exception while parsing rule {}", sql);
    throw new RuntimeException(ex);
  }
}

代码示例来源：origin: org.apache.calcite/calcite-core

public PrepareAction() {
 this.config = newConfigBuilder() //
   .defaultSchema(Frameworks.createRootSchema(true)).build();
}

代码示例来源：origin: apache/storm

public FrameworkConfig buildFrameWorkConfig() {
  if (hasUdf) {
    List<SqlOperatorTable> sqlOperatorTables = new ArrayList<>();
    sqlOperatorTables.add(SqlStdOperatorTable.instance());
    sqlOperatorTables.add(new CalciteCatalogReader(CalciteSchema.from(schema),
        Collections.emptyList(), typeFactory, new CalciteConnectionConfigImpl(new Properties())));
    return Frameworks.newConfigBuilder().defaultSchema(schema)
             .operatorTable(new ChainedSqlOperatorTable(sqlOperatorTables)).build();
  } else {
    return Frameworks.newConfigBuilder().defaultSchema(schema).build();
  }
}

代码示例来源：origin: Qihoo360/Quicksql

/**
 * Initializes a container then calls user-specified code with a planner.
 *
 * @param action Callback containing user-specified code
 * @return Return value from action
 */
public static <R> R withPlanner(final PlannerAction<R> action) {
 FrameworkConfig config = newConfigBuilder() //
   .defaultSchema(Frameworks.createRootSchema(true)).build();
 return withPlanner(action, config);
}

代码示例来源：origin: apache/storm

public String explain(String query) throws SqlParseException, ValidationException, RelConversionException {
  FrameworkConfig config = buildFrameWorkConfig();
  Planner planner = Frameworks.getPlanner(config);
  SqlNode parse = planner.parse(query);
  SqlNode validate = planner.validate(parse);
  RelNode tree = planner.convert(validate);
  return StormRelUtils.explain(tree, SqlExplainLevel.ALL_ATTRIBUTES);
}

代码示例来源：origin: Qihoo360/Quicksql

private void ready() {
 switch (state) {
 case STATE_0_CLOSED:
  reset();
 }
 ensure(State.STATE_1_RESET);
 Frameworks.withPlanner(
   (cluster, relOptSchema, rootSchema) -> {
    Util.discard(rootSchema); // use our own defaultSchema
    typeFactory = (JavaTypeFactory) cluster.getTypeFactory();
    planner = cluster.getPlanner();
    planner.setExecutor(executor);
    return null;
   },
   config);
 state = State.STATE_2_READY;
 // If user specify own traitDef, instead of default default trait,
 // first, clear the default trait def registered with planner
 // then, register the trait def specified in traitDefs.
 if (this.traitDefs != null) {
  planner.clearRelTraitDefs();
  for (RelTraitDef def : this.traitDefs) {
   planner.addRelTraitDef(def);
  }
 }
}

代码示例来源：origin: apache/hive

/** Creates a RelBuilder. */
public static HiveSubQRemoveRelBuilder create(FrameworkConfig config) {
 final RelOptCluster[] clusters = {null};
 final RelOptSchema[] relOptSchemas = {null};
 Frameworks.withPrepare(
   new Frameworks.PrepareAction<Void>(config) {
    public Void apply(RelOptCluster cluster, RelOptSchema relOptSchema,
             SchemaPlus rootSchema, CalciteServerStatement statement) {
     clusters[0] = cluster;
     relOptSchemas[0] = relOptSchema;
     return null;
    }
   });
 return new HiveSubQRemoveRelBuilder(config.getContext(), clusters[0], relOptSchemas[0]);
}

代码示例来源：origin: org.apache.calcite/calcite-core

private static Planner getPlanner(List<RelTraitDef> traitDefs,
  SqlParser.Config parserConfig, Program... programs) {
 final SchemaPlus rootSchema = Frameworks.createRootSchema(true);
 final FrameworkConfig config = Frameworks.newConfigBuilder()
   .parserConfig(parserConfig)
   .defaultSchema(CalciteAssert.addSchema(rootSchema, CalciteAssert.SchemaSpec.HR))
   .traitDefs(traitDefs)
   .programs(programs)
   .build();
 return Frameworks.getPlanner(config);
}

代码示例来源：origin: Qihoo360/Quicksql

public PrepareAction() {
 this.config = newConfigBuilder() //
   .defaultSchema(Frameworks.createRootSchema(true)).build();
}

代码示例来源：origin: org.apache.calcite/calcite-core

private Frameworks.ConfigBuilder builder() {
 return Frameworks.newConfigBuilder(config);
}

代码示例来源：origin: org.apache.calcite/calcite-core

/**
 * Initializes a container then calls user-specified code with a planner.
 *
 * @param action Callback containing user-specified code
 * @return Return value from action
 */
public static <R> R withPlanner(final PlannerAction<R> action) {
 FrameworkConfig config = newConfigBuilder() //
   .defaultSchema(Frameworks.createRootSchema(true)).build();
 return withPlanner(action, config);
}

代码示例来源：origin: twilmes/sql-gremlin

public QueryPlanner(final FrameworkConfig frameworkConfig) {
  this.planner = Frameworks.getPlanner(frameworkConfig);
}

代码示例来源：origin: org.apache.calcite/calcite-core

private void ready() {
 switch (state) {
 case STATE_0_CLOSED:
  reset();
 }
 ensure(State.STATE_1_RESET);
 Frameworks.withPlanner(
   (cluster, relOptSchema, rootSchema) -> {
    Util.discard(rootSchema); // use our own defaultSchema
    typeFactory = (JavaTypeFactory) cluster.getTypeFactory();
    planner = cluster.getPlanner();
    planner.setExecutor(executor);
    return null;
   },
   config);
 state = State.STATE_2_READY;
 // If user specify own traitDef, instead of default default trait,
 // first, clear the default trait def registered with planner
 // then, register the trait def specified in traitDefs.
 if (this.traitDefs != null) {
  planner.clearRelTraitDefs();
  for (RelTraitDef def : this.traitDefs) {
   planner.addRelTraitDef(def);
  }
 }
}

代码示例来源：origin: apache/hive

/** Creates a RelBuilder. */
public static RelBuilder create(FrameworkConfig config) {
 final RelOptCluster[] clusters = {null};
 final RelOptSchema[] relOptSchemas = {null};
 Frameworks.withPrepare(
   new Frameworks.PrepareAction<Void>(config) {
    public Void apply(RelOptCluster cluster, RelOptSchema relOptSchema,
      SchemaPlus rootSchema, CalciteServerStatement statement) {
     clusters[0] = cluster;
     relOptSchemas[0] = relOptSchema;
     return null;
    }
   });
 return new HiveRelBuilder(config.getContext(), clusters[0], relOptSchemas[0]);
}

代码示例来源：origin: Qihoo360/Quicksql

@Before public void setUp() {
 rootSchema = Frameworks.createRootSchema(true);
 final FrameworkConfig config = Frameworks.newConfigBuilder()
   .parserConfig(SqlParser.Config.DEFAULT)
   .defaultSchema(
     CalciteAssert.addSchema(rootSchema, CalciteAssert.SchemaSpec.HR))
   .build();
 planner = Frameworks.getPlanner(config);
 dataContext = new MyDataContext(planner);
}

代码示例来源：origin: Qihoo360/Quicksql

/** Creates a config based on the "scott" schema. */
private static Frameworks.ConfigBuilder config() {
 final SchemaPlus rootSchema = Frameworks.createRootSchema(true);
 return Frameworks.newConfigBuilder()
   .parserConfig(SqlParser.Config.DEFAULT)
   .defaultSchema(CalciteAssert.addSchema(rootSchema, CalciteAssert.SchemaSpec.SCOTT));
}

代码示例来源：origin: apache/incubator-druid

.build();
final FrameworkConfig frameworkConfig = Frameworks
  .newConfigBuilder()
  .parserConfig(PARSER_CONFIG)
  .traitDefs(ConventionTraitDef.INSTANCE, RelCollationTraitDef.INSTANCE)
  .convertletTable(new DruidConvertletTable(plannerContext))
  .operatorTable(operatorTable)
  .programs(Rules.programs(plannerContext, queryMaker))
  Frameworks.getPlanner(frameworkConfig),
  plannerContext
);

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