Java Code Examples for org.apache.calcite.plan.RelOptTable#ToRelContext
The following examples show how to use
org.apache.calcite.plan.RelOptTable#ToRelContext .
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Example 1
Source File: JdbcTableUtils.java From calcite-sql-rewriter with Apache License 2.0 | 6 votes |
static RelNode toRel(RelOptCluster cluster, RelOptSchema relOptSchema, JdbcTable table, List<String> qualifiedName) { RelOptTable.ToRelContext toRelContext = new RelOptTable.ToRelContext() { @Override public RelOptCluster getCluster() { return cluster; } @Override public RelRoot expandView(RelDataType rowType, String queryString, List<String> schemaPath, List<String> viewPath) { throw new UnsupportedOperationException(); } }; return table.toRel( toRelContext, relOptSchema.getTableForMember(qualifiedName) ); }
Example 2
Source File: GremlinTable.java From sql-gremlin with Apache License 2.0 | 5 votes |
public RelNode toRel( RelOptTable.ToRelContext context, RelOptTable relOptTable) { final RelOptCluster cluster = context.getCluster(); int fieldCount = tableDef.columns.size(); int[] fields = new int[fieldCount]; for(int i = 0;i < fieldCount; i++) { fields[i] = i; } return new GremlinTableScan(cluster, cluster.traitSetOf(GremlinRel.CONVENTION), relOptTable, this, fields); }
Example 3
Source File: DruidTable.java From calcite with Apache License 2.0 | 5 votes |
public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { final RelOptCluster cluster = context.getCluster(); final TableScan scan = LogicalTableScan.create(cluster, relOptTable, ImmutableList.of()); return DruidQuery.create(cluster, cluster.traitSetOf(BindableConvention.INSTANCE), relOptTable, this, ImmutableList.of(scan)); }
Example 4
Source File: ProvenanceTable.java From nifi with Apache License 2.0 | 5 votes |
@Override public RelNode toRel(final RelOptTable.ToRelContext context, final RelOptTable relOptTable) { // Request all fields. final int fieldCount = relOptTable.getRowType().getFieldCount(); final int[] fields = new int[fieldCount]; for (int i = 0; i < fieldCount; i++) { fields[i] = i; } return new ProvenanceTableScan(context.getCluster(), relOptTable, this, fields); }
Example 5
Source File: ProcessGroupStatusTable.java From nifi with Apache License 2.0 | 5 votes |
@Override public RelNode toRel(final RelOptTable.ToRelContext context, final RelOptTable relOptTable) { // Request all fields. final int fieldCount = relOptTable.getRowType().getFieldCount(); final int[] fields = new int[fieldCount]; for (int i = 0; i < fieldCount; i++) { fields[i] = i; } return new ProcessGroupStatusTableScan(context.getCluster(), relOptTable, this, fields); }
Example 6
Source File: QueryOperationCatalogViewTable.java From flink with Apache License 2.0 | 5 votes |
@Override public RelNode convertToRel(RelOptTable.ToRelContext context) { FlinkRelBuilder relBuilder = FlinkRelBuilder.of( context, context.getCluster(), this.getRelOptSchema()); return relBuilder.queryOperation(catalogView.getQueryOperation()).build(); }
Example 7
Source File: LixToRelTranslator.java From calcite with Apache License 2.0 | 5 votes |
RelOptTable.ToRelContext toRelContext() { if (preparingStmt instanceof RelOptTable.ViewExpander) { final RelOptTable.ViewExpander viewExpander = (RelOptTable.ViewExpander) this.preparingStmt; return ViewExpanders.toRelContext(viewExpander, cluster); } else { return ViewExpanders.simpleContext(cluster); } }
Example 8
Source File: ProcessorStatusTable.java From nifi with Apache License 2.0 | 5 votes |
@Override public RelNode toRel(final RelOptTable.ToRelContext context, final RelOptTable relOptTable) { // Request all fields. final int fieldCount = relOptTable.getRowType().getFieldCount(); final int[] fields = new int[fieldCount]; for (int i = 0; i < fieldCount; i++) { fields[i] = i; } return new ProcessorStatusTableScan(context.getCluster(), relOptTable, this, fields); }
Example 9
Source File: SplunkTable.java From calcite with Apache License 2.0 | 5 votes |
public RelNode toRel( RelOptTable.ToRelContext context, RelOptTable relOptTable) { return new SplunkTableScan( context.getCluster(), relOptTable, this, "search", null, null, relOptTable.getRowType().getFieldNames()); }
Example 10
Source File: RelFactories.java From Bats with Apache License 2.0 | 5 votes |
/** * Creates a {@link TableScanFactory} that uses a * {@link org.apache.calcite.plan.RelOptTable.ViewExpander} to handle * {@link TranslatableTable} instances, and falls back to a default * factory for other tables. * * @param viewExpander View expander * @param tableScanFactory Factory for non-translatable tables * @return Table scan factory */ public static TableScanFactory expandingScanFactory( RelOptTable.ViewExpander viewExpander, TableScanFactory tableScanFactory) { return (cluster, table) -> { final TranslatableTable translatableTable = table.unwrap(TranslatableTable.class); if (translatableTable != null) { final RelOptTable.ToRelContext toRelContext = ViewExpanders.toRelContext(viewExpander, cluster); return translatableTable.toRel(toRelContext, table); } return tableScanFactory.createScan(cluster, table); }; }
Example 11
Source File: QueryOperationCatalogViewTable.java From flink with Apache License 2.0 | 5 votes |
@Override public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { FlinkRelBuilder relBuilder = FlinkRelBuilder.of(context.getCluster(), relOptTable.getRelOptSchema()); RelNode relNode = relBuilder.tableOperation(catalogView.getQueryOperation()).build(); return RelOptUtil.createCastRel(relNode, rowType.apply(relBuilder.getTypeFactory()), false); }
Example 12
Source File: RelFactories.java From calcite with Apache License 2.0 | 4 votes |
public RelNode createScan(RelOptTable.ToRelContext toRelContext, RelOptTable table) { return table.toRel(toRelContext); }
Example 13
Source File: QuarkViewTable.java From quark with Apache License 2.0 | 4 votes |
public RelNode toRel( RelOptTable.ToRelContext context, RelOptTable relOptTable) { return new QuarkViewScan(context.getCluster(), this.backUpRelOptTable, this); }
Example 14
Source File: MycatPhysicalTable.java From Mycat2 with GNU General Public License v3.0 | 4 votes |
@Override public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { return LogicalTableScan.create(context.getCluster(), relOptTable, ImmutableList.of()); }
Example 15
Source File: JdbcTable.java From calcite with Apache License 2.0 | 4 votes |
public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { return new JdbcTableScan(context.getCluster(), relOptTable, this, jdbcSchema.convention); }
Example 16
Source File: MockCatalogReader.java From calcite with Apache License 2.0 | 4 votes |
@Override public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { return LogicalTableScan.create(context.getCluster(), relOptTable, context.getTableHints()); }
Example 17
Source File: ElasticsearchTable.java From calcite with Apache License 2.0 | 4 votes |
@Override public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable relOptTable) { final RelOptCluster cluster = context.getCluster(); return new ElasticsearchTableScan(cluster, cluster.traitSetOf(ElasticsearchRel.CONVENTION), relOptTable, this, null); }
Example 18
Source File: EnumerableRelFactories.java From calcite with Apache License 2.0 | 4 votes |
public RelNode createScan(RelOptTable.ToRelContext toRelContext, RelOptTable table) { return EnumerableTableScan.create(toRelContext.getCluster(), table); }
Example 19
Source File: TranslatableTable.java From Bats with Apache License 2.0 | 4 votes |
/** Converts this table into a {@link RelNode relational expression}. */ RelNode toRel( RelOptTable.ToRelContext context, RelOptTable relOptTable);
Example 20
Source File: StarTable.java From calcite with Apache License 2.0 | 4 votes |
public RelNode toRel(RelOptTable.ToRelContext context, RelOptTable table) { // Create a table scan of infinite cost. return new StarTableScan(context.getCluster(), table); }