Examples with CreateSource io.confluent.ksql.parser.tree.CreateSource used on opensource projects

Example 1 with CreateSource

use of io.confluent.ksql.parser.tree.CreateSource in project ksql by confluentinc.

the class DefaultFormatInjector method injectForCreateStatement.

private Optional<ConfiguredStatement<CreateSource>> injectForCreateStatement(final ConfiguredStatement<CreateSource> original) {
    final CreateSource statement = original.getStatement();
    final CreateSourceProperties properties = statement.getProperties();
    final Optional<FormatInfo> keyFormat = properties.getKeyFormat(statement.getName());
    final Optional<FormatInfo> valueFormat = properties.getValueFormat();
    if (keyFormat.isPresent() && valueFormat.isPresent()) {
        return Optional.empty();
    }
    final KsqlConfig config = getConfig(original);
    final CreateSourceProperties injectedProps = properties.withFormats(keyFormat.map(FormatInfo::getFormat).orElseGet(() -> getDefaultKeyFormat(config)), valueFormat.map(FormatInfo::getFormat).orElseGet(() -> getDefaultValueFormat(config)));
    final CreateSource withFormats = statement.copyWith(original.getStatement().getElements(), injectedProps);
    final PreparedStatement<CreateSource> prepared = buildPreparedStatement(withFormats);
    final ConfiguredStatement<CreateSource> configured = ConfiguredStatement.of(prepared, original.getSessionConfig());
    return Optional.of(configured);
}

Example 2 with CreateSource

use of io.confluent.ksql.parser.tree.CreateSource in project ksql by confluentinc.

the class KsqlParserTest method testNegativeInWith.

@Test
public void testNegativeInWith() {
    // When:
    final CreateSource stmt = (CreateSource) KsqlParserTestUtil.buildSingleAst("CREATE STREAM foozball (id VARCHAR) WITH (kafka_topic='foozball', value_format='json', partitions=1, replicas=-1);", metaStore).getStatement();
    // Then:
    assertThat(stmt.getProperties().getReplicas(), is(Optional.of((short) -1)));
}

Example 3 with CreateSource

use of io.confluent.ksql.parser.tree.CreateSource in project ksql by confluentinc.

the class DefaultSchemaInjector method addSchemaFields.

private static CreateSource addSchemaFields(final ConfiguredStatement<CreateSource> preparedStatement, final Optional<SchemaAndId> keySchema, final Optional<SchemaAndId> valueSchema) {
    final TableElements elements = buildElements(preparedStatement, keySchema, valueSchema);
    final CreateSource statement = preparedStatement.getStatement();
    final CreateSourceProperties properties = statement.getProperties();
    final Optional<String> keySchemaName;
    final Optional<String> valueSchemaName;
    // Only populate key and value schema names when schema ids are explicitly provided
    if (properties.getKeySchemaId().isPresent() && keySchema.isPresent()) {
        keySchemaName = Optional.ofNullable(keySchema.get().rawSchema.name());
    } else {
        keySchemaName = Optional.empty();
    }
    if (properties.getValueSchemaId().isPresent() && valueSchema.isPresent()) {
        valueSchemaName = Optional.ofNullable(valueSchema.get().rawSchema.name());
    } else {
        valueSchemaName = Optional.empty();
    }
    final CreateSourceProperties newProperties = statement.getProperties().withKeyValueSchemaName(keySchemaName, valueSchemaName);
    return statement.copyWith(elements, newProperties);
}

Example 4 with CreateSource

use of io.confluent.ksql.parser.tree.CreateSource in project ksql by confluentinc.

the class DefaultSchemaInjector method buildElements.

private static TableElements buildElements(final ConfiguredStatement<CreateSource> preparedStatement, final Optional<SchemaAndId> keySchema, final Optional<SchemaAndId> valueSchema) {
    final List<TableElement> elements = new ArrayList<>();
    if (keySchema.isPresent()) {
        final ColumnConstraints constraints = getKeyConstraints(preparedStatement.getStatement());
        keySchema.get().columns.stream().map(col -> new TableElement(col.name(), new Type(col.type()), constraints)).forEach(elements::add);
    } else {
        getKeyColumns(preparedStatement).forEach(elements::add);
    }
    if (valueSchema.isPresent()) {
        valueSchema.get().columns.stream().map(col -> new TableElement(col.name(), new Type(col.type()))).forEach(elements::add);
    } else {
        getValueColumns(preparedStatement).forEach(elements::add);
    }
    return TableElements.of(elements);
}

Example 5 with CreateSource

use of io.confluent.ksql.parser.tree.CreateSource in project ksql by confluentinc.

the class TestCaseBuilderUtil method createTopicFromStatement.

private static Topic createTopicFromStatement(final String sql, final MutableMetaStore metaStore, final KsqlConfig ksqlConfig) {
    final KsqlParser parser = new DefaultKsqlParser();
    final Function<ConfiguredStatement<?>, Topic> extractTopic = (ConfiguredStatement<?> stmt) -> {
        final CreateSource statement = (CreateSource) stmt.getStatement();
        final CreateSourceProperties props = statement.getProperties();
        final LogicalSchema logicalSchema = statement.getElements().toLogicalSchema();
        final FormatInfo keyFormatInfo = SourcePropertiesUtil.getKeyFormat(props, statement.getName());
        final Format keyFormat = FormatFactory.fromName(keyFormatInfo.getFormat());
        final SerdeFeatures keySerdeFeats = buildKeyFeatures(keyFormat, logicalSchema);
        final Optional<ParsedSchema> keySchema = keyFormat.supportsFeature(SerdeFeature.SCHEMA_INFERENCE) ? buildSchema(sql, logicalSchema.key(), keyFormatInfo, keyFormat, keySerdeFeats) : Optional.empty();
        final FormatInfo valFormatInfo = SourcePropertiesUtil.getValueFormat(props);
        final Format valFormat = FormatFactory.fromName(valFormatInfo.getFormat());
        final SerdeFeatures valSerdeFeats = buildValueFeatures(ksqlConfig, props, valFormat, logicalSchema);
        final Optional<ParsedSchema> valueSchema = valFormat.supportsFeature(SerdeFeature.SCHEMA_INFERENCE) ? buildSchema(sql, logicalSchema.value(), valFormatInfo, valFormat, valSerdeFeats) : Optional.empty();
        final int partitions = props.getPartitions().orElse(Topic.DEFAULT_PARTITIONS);
        final short rf = props.getReplicas().orElse(Topic.DEFAULT_RF);
        return new Topic(props.getKafkaTopic(), partitions, rf, keySchema, valueSchema, keySerdeFeats, valSerdeFeats);
    };
    try {
        final List<ParsedStatement> parsed = parser.parse(sql);
        if (parsed.size() > 1) {
            throw new IllegalArgumentException("SQL contains more than one statement: " + sql);
        }
        final List<Topic> topics = new ArrayList<>();
        for (ParsedStatement stmt : parsed) {
            // in order to extract the topics, we may need to also register type statements
            if (stmt.getStatement().statement() instanceof SqlBaseParser.RegisterTypeContext) {
                final PreparedStatement<?> prepare = parser.prepare(stmt, metaStore);
                registerType(prepare, metaStore);
            }
            if (isCsOrCT(stmt)) {
                final PreparedStatement<?> prepare = parser.prepare(stmt, metaStore);
                final ConfiguredStatement<?> configured = ConfiguredStatement.of(prepare, SessionConfig.of(ksqlConfig, Collections.emptyMap()));
                final ConfiguredStatement<?> withFormats = new DefaultFormatInjector().inject(configured);
                topics.add(extractTopic.apply(withFormats));
            }
        }
        return topics.isEmpty() ? null : topics.get(0);
    } catch (final Exception e) {
        // Statement won't parse: this will be detected/handled later.
        System.out.println("Error parsing statement (which may be expected): " + sql);
        e.printStackTrace(System.out);
        return null;
    }
}