Examples with CalciteConnectionConfigImpl org.apache.calcite.config.CalciteConnectionConfigImpl used on opensource projects

Example 11 with CalciteConnectionConfigImpl

use of org.apache.calcite.config.CalciteConnectionConfigImpl in project calcite by apache.

the class RelOptRulesTest method testExtractYearToRange.

/**
 * Test case for
 * <a href="https://issues.apache.org/jira/browse/CALCITE-434">[CALCITE-434]
 * Converting predicates on date dimension columns into date ranges</a>,
 * specifically a rule that converts {@code EXTRACT(YEAR FROM ...) = constant}
 * to a range.
 */
@Test
public void testExtractYearToRange() {
    final String sql = "select *\n" + "from sales.emp_b as e\n" + "where extract(year from birthdate) = 2014";
    HepProgram program = new HepProgramBuilder().addRuleInstance(DateRangeRules.FILTER_INSTANCE).build();
    final Context context = Contexts.of(new CalciteConnectionConfigImpl(new Properties()));
    sql(sql).with(program).withContext(context).check();
}

Example 12 with CalciteConnectionConfigImpl

use of org.apache.calcite.config.CalciteConnectionConfigImpl in project druid by druid-io.

the class DruidPlanner method getValidator.

/**
 * Constructs an SQL validator, just like papa {@link #planner} uses.
 */
private SqlValidator getValidator() {
    // this is sort of lame, planner won't cough up its validator, which is nice and seeded after validating a query,
    // but it is private and has no accessors, so make another one so we can get the parameter types... but i suppose
    // beats creating our own Prepare and Planner implementations
    Preconditions.checkNotNull(planner.getTypeFactory());
    final CalciteConnectionConfig connectionConfig;
    if (frameworkConfig.getContext() != null) {
        connectionConfig = frameworkConfig.getContext().unwrap(CalciteConnectionConfig.class);
    } else {
        Properties properties = new Properties();
        properties.setProperty(CalciteConnectionProperty.CASE_SENSITIVE.camelName(), String.valueOf(PlannerFactory.PARSER_CONFIG.caseSensitive()));
        connectionConfig = new CalciteConnectionConfigImpl(properties);
    }
    Prepare.CatalogReader catalogReader = new CalciteCatalogReader(CalciteSchema.from(frameworkConfig.getDefaultSchema().getParentSchema()), CalciteSchema.from(frameworkConfig.getDefaultSchema()).path(null), planner.getTypeFactory(), connectionConfig);
    return SqlValidatorUtil.newValidator(frameworkConfig.getOperatorTable(), catalogReader, planner.getTypeFactory(), DruidConformance.instance());
}

Example 13 with CalciteConnectionConfigImpl

use of org.apache.calcite.config.CalciteConnectionConfigImpl in project herddb by diennea.

the class CalcitePlanner method runPlanner.

private PlannerResult runPlanner(String defaultTableSpace, String query) throws RelConversionException, SqlParseException, ValidationException, MetadataStorageManagerException, StatementExecutionException {
    try {
        SchemaPlus subSchema = getSchemaForTableSpace(defaultTableSpace);
        if (subSchema == null) {
            clearCache();
            throw new StatementExecutionException("tablespace " + defaultTableSpace + " is not available");
        }
        Properties props = new Properties();
        props.put(CalciteConnectionProperty.TIME_ZONE.camelName(), TimeZone.getDefault().getID());
        props.put(CalciteConnectionProperty.LOCALE.camelName(), Locale.ROOT.toString());
        props.put(CalciteConnectionProperty.DEFAULT_NULL_COLLATION.camelName(), NullCollation.LAST.toString());
        final CalciteConnectionConfigImpl calciteRuntimeContextConfig = new CalciteConnectionConfigImpl(props);
        final FrameworkConfig config = Frameworks.newConfigBuilder().parserConfig(SQL_PARSER_CONFIG).defaultSchema(subSchema).traitDefs(TRAITS).context(new Context() {

            @Override
            public <C> C unwrap(Class<C> aClass) {
                if (aClass == CalciteConnectionConfigImpl.class || aClass == CalciteConnectionConfig.class) {
                    return (C) calciteRuntimeContextConfig;
                }
                return null;
            }
        }).programs(Programs.ofRules(Programs.RULE_SET)).build();
        Planner planner = new PlannerImpl(config);
        if (LOG.isLoggable(Level.FINER)) {
            LOG.log(Level.FINER, "Query: {0}", query);
        }
        try {
            SqlNode n = planner.parse(query);
            n = planner.validate(n);
            RelNode logicalPlan = planner.rel(n).project();
            if (LOG.isLoggable(DUMP_QUERY_LEVEL)) {
                LOG.log(DUMP_QUERY_LEVEL, "Query: {0} {1}", new Object[] { query, RelOptUtil.dumpPlan("-- Logical Plan", logicalPlan, SqlExplainFormat.TEXT, SqlExplainLevel.ALL_ATTRIBUTES) });
            }
            RelDataType originalRowType = logicalPlan.getRowType();
            RelOptCluster cluster = logicalPlan.getCluster();
            final RelOptPlanner optPlanner = cluster.getPlanner();
            optPlanner.addRule(CoreRules.FILTER_REDUCE_EXPRESSIONS);
            RelTraitSet desiredTraits = cluster.traitSet().replace(EnumerableConvention.INSTANCE);
            final RelCollation collation = logicalPlan instanceof Sort ? ((Sort) logicalPlan).collation : null;
            if (collation != null) {
                desiredTraits = desiredTraits.replace(collation);
            }
            final RelNode newRoot = optPlanner.changeTraits(logicalPlan, desiredTraits);
            optPlanner.setRoot(newRoot);
            RelNode bestExp = optPlanner.findBestExp();
            if (LOG.isLoggable(DUMP_QUERY_LEVEL)) {
                LOG.log(DUMP_QUERY_LEVEL, "Query: {0} {1}", new Object[] { query, RelOptUtil.dumpPlan("-- Best  Plan", bestExp, SqlExplainFormat.TEXT, SqlExplainLevel.ALL_ATTRIBUTES) });
            }
            return new PlannerResult(bestExp, originalRowType, logicalPlan, n);
        } catch (AssertionError err) {
            throw new StatementExecutionException("Internal Calcite error " + err, err);
        }
    } catch (java.lang.LinkageError err) {
        LOG.log(Level.SEVERE, "Error on Java Classpath", err);
        throw new StatementExecutionException("Internal Calcite error " + err, err);
    }
}