Examples with LikeClause io.prestosql.sql.tree.LikeClause used on opensource projects

Example 1 with LikeClause

use of io.prestosql.sql.tree.LikeClause in project hetu-core by openlookeng.

the class TestSqlParser method testCreateTable.

@Test
public void testCreateTable() {
    assertStatement("CREATE TABLE foo (a VARCHAR, b BIGINT COMMENT 'hello world', c IPADDRESS)", new CreateTable(QualifiedName.of("foo"), ImmutableList.of(new ColumnDefinition(identifier("a"), "VARCHAR", true, emptyList(), Optional.empty()), new ColumnDefinition(identifier("b"), "BIGINT", true, emptyList(), Optional.of("hello world")), new ColumnDefinition(identifier("c"), "IPADDRESS", true, emptyList(), Optional.empty())), false, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, emptyList(), Optional.empty())), true, ImmutableList.of(), Optional.empty()));
    // with properties
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP WITH (nullable = true, compression = 'LZ4'))", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, ImmutableList.of(new Property(new Identifier("nullable"), BooleanLiteral.TRUE_LITERAL), new Property(new Identifier("compression"), new StringLiteral("LZ4"))), Optional.empty())), true, ImmutableList.of(), Optional.empty()));
    // with LIKE
    assertStatement("CREATE TABLE IF NOT EXISTS bar (LIKE like_table)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new LikeClause(QualifiedName.of("like_table"), Optional.empty())), true, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP, LIKE like_table)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, emptyList(), Optional.empty()), new LikeClause(QualifiedName.of("like_table"), Optional.empty())), true, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP, LIKE like_table, d DATE)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, emptyList(), Optional.empty()), new LikeClause(QualifiedName.of("like_table"), Optional.empty()), new ColumnDefinition(identifier("d"), "DATE", true, emptyList(), Optional.empty())), true, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (LIKE like_table INCLUDING PROPERTIES)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new LikeClause(QualifiedName.of("like_table"), Optional.of(LikeClause.PropertiesOption.INCLUDING))), true, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP, LIKE like_table EXCLUDING PROPERTIES)", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, emptyList(), Optional.empty()), new LikeClause(QualifiedName.of("like_table"), Optional.of(LikeClause.PropertiesOption.EXCLUDING))), true, ImmutableList.of(), Optional.empty()));
    assertStatement("CREATE TABLE IF NOT EXISTS bar (c TIMESTAMP, LIKE like_table EXCLUDING PROPERTIES) COMMENT 'test'", new CreateTable(QualifiedName.of("bar"), ImmutableList.of(new ColumnDefinition(identifier("c"), "TIMESTAMP", true, emptyList(), Optional.empty()), new LikeClause(QualifiedName.of("like_table"), Optional.of(LikeClause.PropertiesOption.EXCLUDING))), true, ImmutableList.of(), Optional.of("test")));
}

Example 2 with LikeClause

use of io.prestosql.sql.tree.LikeClause in project hetu-core by openlookeng.

the class QueryRewriter method rewriteInsertQuery.

private Query rewriteInsertQuery(Connection connection, Query query, Insert statement) throws SQLException, QueryRewriteException {
    QualifiedName temporaryTableName = generateTemporaryTableName(statement.getTarget());
    Statement createTemporaryTable = new CreateTable(temporaryTableName, ImmutableList.of(new LikeClause(statement.getTarget(), Optional.of(INCLUDING))), true, ImmutableList.of(), Optional.empty());
    String createTemporaryTableSql = formatSql(createTemporaryTable, Optional.empty());
    String insertSql = formatSql(new Insert(temporaryTableName, statement.getColumns(), statement.getQuery(), statement.getOverwrite()), Optional.empty());
    String checksumSql = checksumSql(getColumnsForTable(connection, query.getCatalog(), query.getSchema(), statement.getTarget().toString()), temporaryTableName);
    String dropTableSql = dropTableSql(temporaryTableName);
    return new Query(query.getCatalog(), query.getSchema(), ImmutableList.of(createTemporaryTableSql, insertSql), checksumSql, ImmutableList.of(dropTableSql), query.getUsername(), query.getPassword(), query.getSessionProperties());
}

Example 3 with LikeClause

use of io.prestosql.sql.tree.LikeClause in project hetu-core by openlookeng.

the class HiveAstBuilder method visitCreateTableLike.

@Override
public Node visitCreateTableLike(HiveSqlParser.CreateTableLikeContext context) {
    List<TableElement> elements = new ArrayList<>();
    LikeClause likeClause = new LikeClause(getQualifiedName(context.likeTableName), Optional.of(LikeClause.PropertiesOption.EXCLUDING));
    elements.add(likeClause);
    addDiff(DiffType.INSERTED, null, "EXCLUDING PROPERTIES", "add keyword [EXCLUDING PROPERTIES]");
    List<Property> properties = new ArrayList<>();
    if (context.EXTERNAL() != null) {
        if (context.LOCATION() == null) {
            addDiff(DiffType.UNSUPPORTED, context.EXTERNAL().getText(), "[EXTERNAL] should be used with location");
            throw unsupportedError(ErrorType.UNSUPPORTED_STATEMENT, "External attribute should be used with location", context);
        }
        Identifier name = new Identifier("external");
        Expression value = new Identifier("true");
        properties.add(new Property(name, value));
        addDiff(DiffType.MODIFIED, context.EXTERNAL().getText(), "external = true", "[EXTERNAL] is formatted");
    }
    if (context.LOCATION() != null) {
        Identifier name = new Identifier("location");
        Expression value = (StringLiteral) visit(context.location);
        properties.add(new Property(name, value));
        addDiff(DiffType.MODIFIED, context.LOCATION().getText(), LOCATION + " = " + value, "[LOCATION] is formatted");
    }
    return new CreateTable(getLocation(context), getQualifiedName(context.tableName), elements, context.EXISTS() != null, properties, Optional.empty());
}

Example 4 with LikeClause

use of io.prestosql.sql.tree.LikeClause in project hetu-core by openlookeng.

the class CreateTableTask method internalExecute.

@VisibleForTesting
public ListenableFuture<?> internalExecute(CreateTable statement, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters) {
    checkArgument(!statement.getElements().isEmpty(), "no columns for table");
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getName());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (tableHandle.isPresent()) {
        if (!statement.isNotExists()) {
            throw new SemanticException(TABLE_ALREADY_EXISTS, statement, "Table '%s' already exists", tableName);
        }
        return immediateFuture(null);
    }
    CatalogName catalogName = metadata.getCatalogHandle(session, tableName.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog does not exist: " + tableName.getCatalogName()));
    LinkedHashMap<String, ColumnMetadata> columns = new LinkedHashMap<>();
    Map<String, Object> inheritedProperties = ImmutableMap.of();
    boolean includingProperties = false;
    for (TableElement element : statement.getElements()) {
        if (element instanceof ColumnDefinition) {
            ColumnDefinition column = (ColumnDefinition) element;
            String name = column.getName().getValue().toLowerCase(Locale.ENGLISH);
            Type type;
            try {
                type = metadata.getType(parseTypeSignature(column.getType()));
            } catch (TypeNotFoundException e) {
                throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", column.getType(), column.getName());
            }
            if (type.equals(UNKNOWN)) {
                throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", column.getType(), column.getName());
            }
            if (columns.containsKey(name)) {
                throw new SemanticException(DUPLICATE_COLUMN_NAME, column, "Column name '%s' specified more than once", column.getName());
            }
            if (!column.isNullable() && !metadata.getConnectorCapabilities(session, catalogName).contains(NOT_NULL_COLUMN_CONSTRAINT)) {
                throw new SemanticException(NOT_SUPPORTED, column, "Catalog '%s' does not support non-null column for column name '%s'", catalogName.getCatalogName(), column.getName());
            }
            Map<String, Expression> sqlProperties = mapFromProperties(column.getProperties());
            Map<String, Object> columnProperties = metadata.getColumnPropertyManager().getProperties(catalogName, tableName.getCatalogName(), sqlProperties, session, metadata, parameters);
            columns.put(name, new ColumnMetadata(name, type, column.isNullable(), column.getComment().orElse(null), null, false, columnProperties));
        } else if (element instanceof LikeClause) {
            LikeClause likeClause = (LikeClause) element;
            QualifiedObjectName likeTableName = createQualifiedObjectName(session, statement, likeClause.getTableName());
            if (!metadata.getCatalogHandle(session, likeTableName.getCatalogName()).isPresent()) {
                throw new SemanticException(MISSING_CATALOG, statement, "LIKE table catalog '%s' does not exist", likeTableName.getCatalogName());
            }
            if (!tableName.getCatalogName().equals(likeTableName.getCatalogName())) {
                throw new SemanticException(NOT_SUPPORTED, statement, "LIKE table across catalogs is not supported");
            }
            TableHandle likeTable = metadata.getTableHandle(session, likeTableName).orElseThrow(() -> new SemanticException(MISSING_TABLE, statement, "LIKE table '%s' does not exist", likeTableName));
            TableMetadata likeTableMetadata = metadata.getTableMetadata(session, likeTable);
            Optional<LikeClause.PropertiesOption> propertiesOption = likeClause.getPropertiesOption();
            if (propertiesOption.isPresent() && propertiesOption.get().equals(LikeClause.PropertiesOption.INCLUDING)) {
                if (includingProperties) {
                    throw new SemanticException(NOT_SUPPORTED, statement, "Only one LIKE clause can specify INCLUDING PROPERTIES");
                }
                includingProperties = true;
                // Don't inherit location property for sql statement "create table like"
                inheritedProperties = likeTableMetadata.getMetadata().getInheritableProperties();
            }
            likeTableMetadata.getColumns().stream().filter(column -> !column.isHidden()).forEach(column -> {
                if (columns.containsKey(column.getName().toLowerCase(Locale.ENGLISH))) {
                    throw new SemanticException(DUPLICATE_COLUMN_NAME, element, "Column name '%s' specified more than once", column.getName());
                }
                columns.put(column.getName().toLowerCase(Locale.ENGLISH), column);
            });
        } else {
            throw new PrestoException(GENERIC_INTERNAL_ERROR, "Invalid TableElement: " + element.getClass().getName());
        }
    }
    accessControl.checkCanCreateTable(session.getRequiredTransactionId(), session.getIdentity(), tableName);
    Map<String, Expression> sqlProperties = mapFromProperties(statement.getProperties());
    Map<String, Object> properties = metadata.getTablePropertyManager().getProperties(catalogName, tableName.getCatalogName(), sqlProperties, session, metadata, parameters);
    Map<String, Object> finalProperties = combineProperties(sqlProperties.keySet(), properties, inheritedProperties);
    ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(toSchemaTableName(tableName), ImmutableList.copyOf(columns.values()), finalProperties, statement.getComment());
    try {
        metadata.createTable(session, tableName.getCatalogName(), tableMetadata, statement.isNotExists());
    } catch (PrestoException e) {
        // connectors are not required to handle the ignoreExisting flag
        if (!e.getErrorCode().equals(ALREADY_EXISTS.toErrorCode()) || !statement.isNotExists()) {
            throw e;
        }
    }
    return immediateFuture(null);
}

Example 5 with LikeClause

use of io.prestosql.sql.tree.LikeClause in project hetu-core by openlookeng.

the class ImpalaAstBuilder method visitCreateTableLike.

@Override
public Node visitCreateTableLike(ImpalaSqlParser.CreateTableLikeContext context) {
    if (context.PARQUET() != null) {
        addDiff(DiffType.UNSUPPORTED, context.PARQUET().getText(), "[LIKE PARQUET] is not supported");
        throw unsupportedError(ErrorType.UNSUPPORTED_KEYWORDS, "PARQUET", context.parquet);
    }
    // comment
    Optional<String> comment = Optional.empty();
    if (context.COMMENT() != null) {
        comment = Optional.of(((StringLiteral) visit(context.comment)).getValue());
    }
    // like clause
    List<TableElement> elements = new ArrayList<>();
    LikeClause likeClause = new LikeClause(getQualifiedName(context.likeTableName), Optional.of(LikeClause.PropertiesOption.INCLUDING));
    elements.add(likeClause);
    List<Property> properties = new ArrayList<>();
    // external
    if (context.EXTERNAL() != null) {
        if (context.LOCATION() == null) {
            throw unsupportedError(ErrorType.SYNTAX_ERROR, "External attribute should be used with location", context);
        }
        Identifier name = new Identifier("external");
        Expression value = new Identifier("true");
        properties.add(new Property(name, value));
        addDiff(DiffType.MODIFIED, context.EXTERNAL().getText(), "external = true", "[external] is formatted");
    }
    // location
    if (context.LOCATION() != null) {
        Identifier name = new Identifier("location");
        Expression value = (StringLiteral) visit(context.location);
        properties.add(new Property(name, value));
        addDiff(DiffType.MODIFIED, context.LOCATION().getText(), LOCATION + " = " + value, "[location] is formatted");
    }
    // stored as
    if (context.STORED_AS() != null) {
        String storedAsString = ((Identifier) visit(context.stored_as)).getValue();
        Expression value = new StringLiteral(getFileFormat(storedAsString));
        properties.add(new Property(new Identifier(FORMAT), value));
        addDiff(DiffType.MODIFIED, context.STORED_AS().getText(), FORMAT, "[stored as] is formatted");
    }
    return new CreateTable(getLocation(context), getQualifiedName(context.tblName), elements, context.EXISTS() != null, properties, comment);
}