Examples with InformationSchema org.apache.druid.sql.calcite.schema.InformationSchema used on opensource projects

Example 1 with InformationSchema

use of org.apache.druid.sql.calcite.schema.InformationSchema in project druid by druid-io.

the class CalciteTests method createMockRootSchema.

public static DruidSchemaCatalog createMockRootSchema(final QueryRunnerFactoryConglomerate conglomerate, final SpecificSegmentsQuerySegmentWalker walker, final PlannerConfig plannerConfig, @Nullable final ViewManager viewManager, final DruidSchemaManager druidSchemaManager, final AuthorizerMapper authorizerMapper) {
    DruidSchema druidSchema = createMockSchema(conglomerate, walker, plannerConfig, druidSchemaManager);
    SystemSchema systemSchema = CalciteTests.createMockSystemSchema(druidSchema, walker, plannerConfig, authorizerMapper);
    LookupSchema lookupSchema = CalciteTests.createMockLookupSchema();
    ViewSchema viewSchema = viewManager != null ? new ViewSchema(viewManager) : null;
    SchemaPlus rootSchema = CalciteSchema.createRootSchema(false, false).plus();
    Set<NamedSchema> namedSchemas = new HashSet<>();
    namedSchemas.add(new NamedDruidSchema(druidSchema, CalciteTests.DRUID_SCHEMA_NAME));
    namedSchemas.add(new NamedSystemSchema(plannerConfig, systemSchema));
    namedSchemas.add(new NamedLookupSchema(lookupSchema));
    if (viewSchema != null) {
        namedSchemas.add(new NamedViewSchema(viewSchema));
    }
    DruidSchemaCatalog catalog = new DruidSchemaCatalog(rootSchema, namedSchemas.stream().collect(Collectors.toMap(NamedSchema::getSchemaName, x -> x)));
    InformationSchema informationSchema = new InformationSchema(catalog, authorizerMapper);
    rootSchema.add(CalciteTests.DRUID_SCHEMA_NAME, druidSchema);
    rootSchema.add(CalciteTests.INFORMATION_SCHEMA_NAME, informationSchema);
    rootSchema.add(NamedSystemSchema.NAME, systemSchema);
    rootSchema.add(NamedLookupSchema.NAME, lookupSchema);
    if (viewSchema != null) {
        rootSchema.add(NamedViewSchema.NAME, viewSchema);
    }
    return catalog;
}