Examples with DropSourceCommand io.confluent.ksql.ddl.commands.DropSourceCommand used on opensource projects

Example 1 with DropSourceCommand

use of io.confluent.ksql.ddl.commands.DropSourceCommand in project ksql by confluentinc.

the class KsqlEngine method buildSingleQueryAst.

private Pair<String, Statement> buildSingleQueryAst(final Statement statement, final String statementString, final MetaStore tempMetaStore, final MetaStore tempMetaStoreForParser, final Map<String, Object> overriddenProperties) {
    log.info("Building AST for {}.", statementString);
    if (statement instanceof Query) {
        return new Pair<>(statementString, statement);
    } else if (statement instanceof CreateAsSelect) {
        CreateAsSelect createAsSelect = (CreateAsSelect) statement;
        QuerySpecification querySpecification = (QuerySpecification) createAsSelect.getQuery().getQueryBody();
        Query query = addInto(createAsSelect.getQuery(), querySpecification, createAsSelect.getName().getSuffix(), createAsSelect.getProperties(), createAsSelect.getPartitionByColumn());
        tempMetaStoreForParser.putSource(queryEngine.getResultDatasource(querySpecification.getSelect(), createAsSelect.getName().getSuffix()).cloneWithTimeKeyColumns());
        return new Pair<>(statementString, query);
    } else if (statement instanceof RegisterTopic) {
        ddlCommandExec.tryExecute(new RegisterTopicCommand((RegisterTopic) statement), tempMetaStoreForParser);
        ddlCommandExec.tryExecute(new RegisterTopicCommand((RegisterTopic) statement), tempMetaStore);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof CreateStream) {
        ddlCommandExec.tryExecute(new CreateStreamCommand(statementString, (CreateStream) statement, overriddenProperties, topicClient, false), tempMetaStoreForParser);
        ddlCommandExec.tryExecute(new CreateStreamCommand(statementString, (CreateStream) statement, overriddenProperties, topicClient, false), tempMetaStore);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof CreateTable) {
        ddlCommandExec.tryExecute(new CreateTableCommand(statementString, (CreateTable) statement, overriddenProperties, topicClient, false), tempMetaStoreForParser);
        ddlCommandExec.tryExecute(new CreateTableCommand(statementString, (CreateTable) statement, overriddenProperties, topicClient, false), tempMetaStore);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof DropStream) {
        ddlCommandExec.tryExecute(new DropSourceCommand((DropStream) statement, DataSource.DataSourceType.KSTREAM, this), tempMetaStore);
        ddlCommandExec.tryExecute(new DropSourceCommand((DropStream) statement, DataSource.DataSourceType.KSTREAM, this), tempMetaStoreForParser);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof DropTable) {
        ddlCommandExec.tryExecute(new DropSourceCommand((DropTable) statement, DataSource.DataSourceType.KTABLE, this), tempMetaStore);
        ddlCommandExec.tryExecute(new DropSourceCommand((DropTable) statement, DataSource.DataSourceType.KTABLE, this), tempMetaStoreForParser);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof DropTopic) {
        ddlCommandExec.tryExecute(new DropTopicCommand((DropTopic) statement), tempMetaStore);
        ddlCommandExec.tryExecute(new DropTopicCommand((DropTopic) statement), tempMetaStoreForParser);
        return new Pair<>(statementString, statement);
    } else if (statement instanceof SetProperty) {
        return new Pair<>(statementString, statement);
    }
    return null;
}

Example 2 with DropSourceCommand

use of io.confluent.ksql.ddl.commands.DropSourceCommand in project ksql by confluentinc.

the class KsqlResource method registerDdlCommandTasks.

private void registerDdlCommandTasks() {
    ddlCommandTasks.put(Query.class, (statement, statementText, properties) -> ksqlEngine.getQueryExecutionPlan((Query) statement).getExecutionPlan());
    ddlCommandTasks.put(CreateStreamAsSelect.class, (statement, statementText, properties) -> {
        QueryMetadata queryMetadata = ksqlEngine.getQueryExecutionPlan(((CreateStreamAsSelect) statement).getQuery());
        if (queryMetadata.getDataSourceType() == DataSource.DataSourceType.KTABLE) {
            throw new KsqlException("Invalid result type. Your SELECT query produces a TABLE. Please " + "use CREATE TABLE AS SELECT statement instead.");
        }
        if (queryMetadata instanceof PersistentQueryMetadata) {
            new AvroUtil().validatePersistentQueryResults((PersistentQueryMetadata) queryMetadata, ksqlEngine.getSchemaRegistryClient());
        }
        queryMetadata.close();
        return queryMetadata.getExecutionPlan();
    });
    ddlCommandTasks.put(CreateTableAsSelect.class, (statement, statementText, properties) -> {
        QueryMetadata queryMetadata = ksqlEngine.getQueryExecutionPlan(((CreateTableAsSelect) statement).getQuery());
        if (queryMetadata.getDataSourceType() != DataSource.DataSourceType.KTABLE) {
            throw new KsqlException("Invalid result type. Your SELECT query produces a STREAM. Please " + "use CREATE STREAM AS SELECT statement instead.");
        }
        if (queryMetadata instanceof PersistentQueryMetadata) {
            new AvroUtil().validatePersistentQueryResults((PersistentQueryMetadata) queryMetadata, ksqlEngine.getSchemaRegistryClient());
        }
        queryMetadata.close();
        return queryMetadata.getExecutionPlan();
    });
    ddlCommandTasks.put(RegisterTopic.class, (statement, statementText, properties) -> {
        RegisterTopicCommand registerTopicCommand = new RegisterTopicCommand((RegisterTopic) statement);
        new DdlCommandExec(ksqlEngine.getMetaStore().clone()).execute(registerTopicCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(CreateStream.class, (statement, statementText, properties) -> {
        CreateStreamCommand createStreamCommand = new CreateStreamCommand(statementText, (CreateStream) statement, properties, ksqlEngine.getTopicClient(), true);
        executeDdlCommand(createStreamCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(CreateTable.class, (statement, statementText, properties) -> {
        CreateTableCommand createTableCommand = new CreateTableCommand(statementText, (CreateTable) statement, properties, ksqlEngine.getTopicClient(), true);
        executeDdlCommand(createTableCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(DropTopic.class, (statement, statementText, properties) -> {
        DropTopicCommand dropTopicCommand = new DropTopicCommand((DropTopic) statement);
        new DdlCommandExec(ksqlEngine.getMetaStore().clone()).execute(dropTopicCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(DropStream.class, (statement, statementText, properties) -> {
        DropSourceCommand dropSourceCommand = new DropSourceCommand((DropStream) statement, DataSource.DataSourceType.KSTREAM, ksqlEngine);
        executeDdlCommand(dropSourceCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(DropTable.class, (statement, statementText, properties) -> {
        DropSourceCommand dropSourceCommand = new DropSourceCommand((DropTable) statement, DataSource.DataSourceType.KTABLE, ksqlEngine);
        executeDdlCommand(dropSourceCommand);
        return statement.toString();
    });
    ddlCommandTasks.put(TerminateQuery.class, (statement, statementText, properties) -> statement.toString());
}