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

Example 1 with DropStream

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

the class CommandFactoriesTest method shouldCreateCommandForDropStream.

@Test
public void shouldCreateCommandForDropStream() {
    final DdlCommand result = commandFactories.create(sqlExpression, new DropStream(QualifiedName.of("foo"), true), Collections.emptyMap());
    assertThat(result, instanceOf(DropSourceCommand.class));
}

Example 2 with DropStream

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

the class KsqlParserTest method testDrop.

@Test
public void testDrop() throws Exception {
    String simpleQuery = "DROP STREAM STREAM1; DROP TABLE TABLE1;";
    List<Statement> statements = KSQL_PARSER.buildAst(simpleQuery, metaStore);
    Statement statement0 = statements.get(0);
    Statement statement1 = statements.get(1);
    Assert.assertTrue(statement0 instanceof DropStream);
    Assert.assertTrue(statement1 instanceof DropTable);
    DropStream dropStream = (DropStream) statement0;
    DropTable dropTable = (DropTable) statement1;
    Assert.assertTrue(dropStream.getName().toString().equalsIgnoreCase("STREAM1"));
    Assert.assertTrue(dropTable.getName().toString().equalsIgnoreCase("TABLE1"));
}

Example 3 with DropStream

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