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

Example 1 with CreateAsSelect

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

the class StatementExecutor method executeStatement.

private void executeStatement(Statement statement, Command command, CommandId commandId, Map<QueryId, CommandId> terminatedQueries, boolean wasDropped) throws Exception {
    String statementStr = command.getStatement();
    DdlCommandResult result = null;
    String successMessage = "";
    if (statement instanceof DdlStatement) {
        result = ksqlEngine.executeDdlStatement(statementStr, (DdlStatement) statement, command.getKsqlProperties());
    } else if (statement instanceof CreateAsSelect) {
        successMessage = handleCreateAsSelect((CreateAsSelect) statement, command, commandId, terminatedQueries, statementStr, wasDropped);
        if (successMessage == null) {
            return;
        }
    } else if (statement instanceof TerminateQuery) {
        terminateQuery((TerminateQuery) statement);
        successMessage = "Query terminated.";
    } else if (statement instanceof RunScript) {
        handleRunScript(command);
    } else {
        throw new Exception(String.format("Unexpected statement type: %s", statement.getClass().getName()));
    }
    // TODO: change to unified return message
    CommandStatus successStatus = new CommandStatus(CommandStatus.Status.SUCCESS, result != null ? result.getMessage() : successMessage);
    statusStore.put(commandId, successStatus);
    completeStatusFuture(commandId, successStatus);
}

Example 2 with CreateAsSelect

use of io.confluent.ksql.parser.tree.CreateAsSelect 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;
}