Examples with SqlNode org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode used on opensource projects

Example 86 with SqlNode

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode in project calcite by apache.

the class SqlCreateMaterializedView method execute.

public void execute(CalcitePrepare.Context context) {
    final Pair<CalciteSchema, String> pair = SqlDdlNodes.schema(context, true, name);
    if (pair.left.plus().getTable(pair.right) != null) {
        // Materialized view exists.
        if (!ifNotExists) {
            // They did not specify IF NOT EXISTS, so give error.
            throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.tableExists(pair.right));
        }
        return;
    }
    final SqlNode q = SqlDdlNodes.renameColumns(columnList, query);
    final String sql = q.toSqlString(CalciteSqlDialect.DEFAULT).getSql();
    final List<String> schemaPath = pair.left.path(null);
    final ViewTableMacro viewTableMacro = ViewTable.viewMacro(pair.left.plus(), sql, schemaPath, context.getObjectPath(), false);
    final TranslatableTable x = viewTableMacro.apply(ImmutableList.of());
    final RelDataType rowType = x.getRowType(context.getTypeFactory());
    // Table does not exist. Create it.
    final MaterializedViewTable table = new MaterializedViewTable(pair.right, RelDataTypeImpl.proto(rowType));
    pair.left.add(pair.right, table);
    SqlDdlNodes.populate(name, query, context);
    table.key = MaterializationService.instance().defineMaterialization(pair.left, null, sql, schemaPath, pair.right, true, true);
}

Example 87 with SqlNode

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode in project calcite by apache.

the class SqlCreateTable method execute.

public void execute(CalcitePrepare.Context context) {
    final Pair<CalciteSchema, String> pair = SqlDdlNodes.schema(context, true, name);
    final JavaTypeFactory typeFactory = new JavaTypeFactoryImpl();
    final RelDataType queryRowType;
    if (query != null) {
        // A bit of a hack: pretend it's a view, to get its row type
        final String sql = query.toSqlString(CalciteSqlDialect.DEFAULT).getSql();
        final ViewTableMacro viewTableMacro = ViewTable.viewMacro(pair.left.plus(), sql, pair.left.path(null), context.getObjectPath(), false);
        final TranslatableTable x = viewTableMacro.apply(ImmutableList.of());
        queryRowType = x.getRowType(typeFactory);
        if (columnList != null && queryRowType.getFieldCount() != columnList.size()) {
            throw SqlUtil.newContextException(columnList.getParserPosition(), RESOURCE.columnCountMismatch());
        }
    } else {
        queryRowType = null;
    }
    final List<SqlNode> columnList;
    if (this.columnList != null) {
        columnList = this.columnList.getList();
    } else {
        if (queryRowType == null) {
            // a list of column names and types, "CREATE TABLE t (INT c)".
            throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.createTableRequiresColumnList());
        }
        columnList = new ArrayList<>();
        for (String name : queryRowType.getFieldNames()) {
            columnList.add(new SqlIdentifier(name, SqlParserPos.ZERO));
        }
    }
    final ImmutableList.Builder<ColumnDef> b = ImmutableList.builder();
    final RelDataTypeFactory.Builder builder = typeFactory.builder();
    final RelDataTypeFactory.Builder storedBuilder = typeFactory.builder();
    for (Ord<SqlNode> c : Ord.zip(columnList)) {
        if (c.e instanceof SqlColumnDeclaration) {
            final SqlColumnDeclaration d = (SqlColumnDeclaration) c.e;
            final RelDataType type = d.dataType.deriveType(typeFactory, true);
            builder.add(d.name.getSimple(), type);
            if (d.strategy != ColumnStrategy.VIRTUAL) {
                storedBuilder.add(d.name.getSimple(), type);
            }
            b.add(ColumnDef.of(d.expression, type, d.strategy));
        } else if (c.e instanceof SqlIdentifier) {
            final SqlIdentifier id = (SqlIdentifier) c.e;
            if (queryRowType == null) {
                throw SqlUtil.newContextException(id.getParserPosition(), RESOURCE.createTableRequiresColumnTypes(id.getSimple()));
            }
            final RelDataTypeField f = queryRowType.getFieldList().get(c.i);
            final ColumnStrategy strategy = f.getType().isNullable() ? ColumnStrategy.NULLABLE : ColumnStrategy.NOT_NULLABLE;
            b.add(ColumnDef.of(c.e, f.getType(), strategy));
            builder.add(id.getSimple(), f.getType());
            storedBuilder.add(id.getSimple(), f.getType());
        } else {
            throw new AssertionError(c.e.getClass());
        }
    }
    final RelDataType rowType = builder.build();
    final RelDataType storedRowType = storedBuilder.build();
    final List<ColumnDef> columns = b.build();
    final InitializerExpressionFactory ief = new NullInitializerExpressionFactory() {

        @Override
        public ColumnStrategy generationStrategy(RelOptTable table, int iColumn) {
            return columns.get(iColumn).strategy;
        }

        @Override
        public RexNode newColumnDefaultValue(RelOptTable table, int iColumn, InitializerContext context) {
            final ColumnDef c = columns.get(iColumn);
            if (c.expr != null) {
                return context.convertExpression(c.expr);
            }
            return super.newColumnDefaultValue(table, iColumn, context);
        }
    };
    if (pair.left.plus().getTable(pair.right) != null) {
        // Table exists.
        if (!ifNotExists) {
            // They did not specify IF NOT EXISTS, so give error.
            throw SqlUtil.newContextException(name.getParserPosition(), RESOURCE.tableExists(pair.right));
        }
        return;
    }
    // Table does not exist. Create it.
    pair.left.add(pair.right, new MutableArrayTable(pair.right, RelDataTypeImpl.proto(storedRowType), RelDataTypeImpl.proto(rowType), ief));
    if (query != null) {
        SqlDdlNodes.populate(name, query, context);
    }
}

Example 88 with SqlNode

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode in project calcite by apache.

the class SqlDdlNodes method populate.

/**
 * Populates the table called {@code name} by executing {@code query}.
 */
protected static void populate(SqlIdentifier name, SqlNode query, CalcitePrepare.Context context) {
    // Generate, prepare and execute an "INSERT INTO table query" statement.
    // (It's a bit inefficient that we convert from SqlNode to SQL and back
    // again.)
    final FrameworkConfig config = Frameworks.newConfigBuilder().defaultSchema(context.getRootSchema().plus()).build();
    final Planner planner = Frameworks.getPlanner(config);
    try {
        final StringWriter sw = new StringWriter();
        final PrintWriter pw = new PrintWriter(sw);
        final SqlPrettyWriter w = new SqlPrettyWriter(CalciteSqlDialect.DEFAULT, false, pw);
        pw.print("INSERT INTO ");
        name.unparse(w, 0, 0);
        pw.print(" ");
        query.unparse(w, 0, 0);
        pw.flush();
        final String sql = sw.toString();
        final SqlNode query1 = planner.parse(sql);
        final SqlNode query2 = planner.validate(query1);
        final RelRoot r = planner.rel(query2);
        final PreparedStatement prepare = context.getRelRunner().prepare(r.rel);
        int rowCount = prepare.executeUpdate();
        Util.discard(rowCount);
        prepare.close();
    } catch (SqlParseException | ValidationException | RelConversionException | SQLException e) {
        throw new RuntimeException(e);
    }
}

Example 89 with SqlNode

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode in project calcite by apache.

the class FilesTableFunction method eval.

/**
 * Evaluates the function.
 *
 * @param path Directory in which to start the search. Typically '.'
 * @return Table that can be inspected, planned, and evaluated
 */
public static ScannableTable eval(final String path) {
    return new ScannableTable() {

        public RelDataType getRowType(RelDataTypeFactory typeFactory) {
            return typeFactory.builder().add("access_time", // %A@ sec since epoch
            SqlTypeName.TIMESTAMP).add("block_count", // %b in 512B blocks
            SqlTypeName.INTEGER).add("change_time", // %C@ sec since epoch
            SqlTypeName.TIMESTAMP).add("depth", // %d depth in directory tree
            SqlTypeName.INTEGER).add("device", // %D device number
            SqlTypeName.INTEGER).add("file_name", // %f file name, sans dirs
            SqlTypeName.VARCHAR).add("fstype", // %F file system type
            SqlTypeName.VARCHAR).add("gname", // %g group name
            SqlTypeName.VARCHAR).add("gid", // %G numeric group id
            SqlTypeName.INTEGER).add("dir_name", // %h leading dirs
            SqlTypeName.VARCHAR).add("inode", // %i inode number
            SqlTypeName.BIGINT).add("link", // %l object of sym link
            SqlTypeName.VARCHAR).add("perm", SqlTypeName.CHAR, // %#m permission octal
            4).add("hard", // %n number of hard links
            SqlTypeName.INTEGER).add("path", // %P file's name
            SqlTypeName.VARCHAR).add("size", // %s file's size in bytes
            SqlTypeName.BIGINT).add("mod_time", // %T@ seconds since epoch
            SqlTypeName.TIMESTAMP).add("user", // %u user name
            SqlTypeName.VARCHAR).add("uid", // %U numeric user id
            SqlTypeName.INTEGER).add("type", SqlTypeName.CHAR, // %Y file type
            1).build();
        // Fields in Linux find that are currently ignored:
        // %y file type (not following sym links)
        // %k block count in 1KB blocks
        // %p file name (including argument)
        }

        private Enumerable<String> sourceLinux() {
            final String[] args = { "find", path, "-printf", "" + // access_time
            "%A@\\0" + // block_count
            "%b\\0" + // change_time
            "%C@\\0" + // depth
            "%d\\0" + // device
            "%D\\0" + // file_name
            "%f\\0" + // fstype
            "%F\\0" + // gname
            "%g\\0" + // gid
            "%G\\0" + // dir_name
            "%h\\0" + // inode
            "%i\\0" + // link
            "%l\\0" + // perm
            "%#m\\0" + // hard
            "%n\\0" + // path
            "%P\\0" + // size
            "%s\\0" + // mod_time
            "%T@\\0" + // user
            "%u\\0" + // uid
            "%U\\0" + // type
            "%Y\\0" };
            return Processes.processLines('\0', args);
        }

        private Enumerable<String> sourceMacOs() {
            if (path.contains("'")) {
                // no injection monkey business
                throw new IllegalArgumentException();
            }
            final String[] args = { "/bin/sh", "-c", "find '" + path + "' | xargs stat -f " + // access_time
            "%a%n" + // block_count
            "%b%n" + // change_time
            "%c%n" + // depth: not supported by macOS stat
            "0%n" + // device: we only use the high part of "H,L" device
            "%Hd%n" + // filename: not supported by macOS stat
            "filename%n" + // fstype: not supported by macOS stat
            "fstype%n" + // gname
            "%Sg%n" + // gid
            "%g%n" + // dir_name: not supported by macOS stat
            "dir_name%n" + // inode
            "%i%n" + // link
            "%Y%n" + // perm
            "%Lp%n" + // hard
            "%l%n" + // path
            "%SN%n" + // size
            "%z%n" + // mod_time
            "%m%n" + // user
            "%Su%n" + // uid
            "%u%n" + // type
            "%LT%n" };
            return Processes.processLines('\n', args);
        }

        public Enumerable<Object[]> scan(DataContext root) {
            final RelDataType rowType = getRowType(root.getTypeFactory());
            final List<String> fieldNames = ImmutableList.copyOf(rowType.getFieldNames());
            final String osName = System.getProperty("os.name");
            final String osVersion = System.getProperty("os.version");
            Util.discard(osVersion);
            final Enumerable<String> enumerable;
            switch(osName) {
                case // tested on version 10.12.5
                "Mac OS X":
                    enumerable = sourceMacOs();
                    break;
                default:
                    enumerable = sourceLinux();
            }
            return new AbstractEnumerable<Object[]>() {

                public Enumerator<Object[]> enumerator() {
                    final Enumerator<String> e = enumerable.enumerator();
                    return new Enumerator<Object[]>() {

                        Object[] current;

                        public Object[] current() {
                            return current;
                        }

                        public boolean moveNext() {
                            current = new Object[fieldNames.size()];
                            for (int i = 0; i < current.length; i++) {
                                if (!e.moveNext()) {
                                    return false;
                                }
                                final String v = e.current();
                                try {
                                    current[i] = field(fieldNames.get(i), v);
                                } catch (RuntimeException e) {
                                    throw new RuntimeException("while parsing value [" + v + "] of field [" + fieldNames.get(i) + "] in line [" + Arrays.toString(current) + "]", e);
                                }
                            }
                            switch(osName) {
                                case "Mac OS X":
                                    // Strip leading "./"
                                    String path = (String) current[14];
                                    if (path.equals(".")) {
                                        current[14] = path = "";
                                        // depth
                                        current[3] = 0;
                                    } else if (path.startsWith("./")) {
                                        current[14] = path = path.substring(2);
                                        // depth
                                        current[3] = count(path, '/') + 1;
                                    } else {
                                        // depth
                                        current[3] = count(path, '/');
                                    }
                                    final int slash = path.lastIndexOf('/');
                                    if (slash >= 0) {
                                        // filename
                                        current[5] = path.substring(slash + 1);
                                        // dir_name
                                        current[9] = path.substring(0, slash);
                                    } else {
                                        // filename
                                        current[5] = path;
                                        // dir_name
                                        current[9] = "";
                                    }
                                    // Make type values more like those on Linux
                                    final String type = (String) current[19];
                                    current[19] = type.equals("/") ? "d" : type.equals("") || type.equals("*") ? "f" : type.equals("@") ? "l" : type;
                            }
                            return true;
                        }

                        private int count(String s, char c) {
                            int n = 0;
                            for (int i = 0, len = s.length(); i < len; i++) {
                                if (s.charAt(i) == c) {
                                    ++n;
                                }
                            }
                            return n;
                        }

                        public void reset() {
                            throw new UnsupportedOperationException();
                        }

                        public void close() {
                            e.close();
                        }

                        private Object field(String field, String value) {
                            switch(field) {
                                case "block_count":
                                case "depth":
                                case "device":
                                case "gid":
                                case "uid":
                                case "hard":
                                    return Integer.valueOf(value);
                                case "inode":
                                case "size":
                                    return Long.valueOf(value);
                                case "access_time":
                                case "change_time":
                                case "mod_time":
                                    return new BigDecimal(value).multiply(THOUSAND).longValue();
                                default:
                                    return value;
                            }
                        }
                    };
                }
            };
        }

        public Statistic getStatistic() {
            return Statistics.of(1000d, ImmutableList.of(ImmutableBitSet.of(1)));
        }

        public Schema.TableType getJdbcTableType() {
            return Schema.TableType.TABLE;
        }

        public boolean isRolledUp(String column) {
            return false;
        }

        public boolean rolledUpColumnValidInsideAgg(String column, SqlCall call, SqlNode parent, CalciteConnectionConfig config) {
            return true;
        }
    };
}

Example 90 with SqlNode

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.sql.SqlNode in project calcite by apache.

the class StdinTableFunction method eval.

public static ScannableTable eval(boolean b) {
    return new ScannableTable() {

        public Enumerable<Object[]> scan(DataContext root) {
            final InputStream is = DataContext.Variable.STDIN.get(root);
            return new AbstractEnumerable<Object[]>() {

                final InputStreamReader in = new InputStreamReader(is, StandardCharsets.UTF_8);

                final BufferedReader br = new BufferedReader(in);

                public Enumerator<Object[]> enumerator() {
                    return new Enumerator<Object[]>() {

                        String line;

                        int i;

                        public Object[] current() {
                            if (line == null) {
                                throw new NoSuchElementException();
                            }
                            return new Object[] { i, line };
                        }

                        public boolean moveNext() {
                            try {
                                line = br.readLine();
                                ++i;
                                return line != null;
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                        }

                        public void reset() {
                            throw new UnsupportedOperationException();
                        }

                        public void close() {
                            try {
                                br.close();
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                        }
                    };
                }
            };
        }

        public RelDataType getRowType(RelDataTypeFactory typeFactory) {
            return typeFactory.builder().add("ordinal", SqlTypeName.INTEGER).add("line", SqlTypeName.VARCHAR).build();
        }

        public Statistic getStatistic() {
            return Statistics.of(1000d, ImmutableList.of(ImmutableBitSet.of(1)));
        }

        public Schema.TableType getJdbcTableType() {
            return Schema.TableType.TABLE;
        }

        public boolean isRolledUp(String column) {
            return false;
        }

        public boolean rolledUpColumnValidInsideAgg(String column, SqlCall call, SqlNode parent, CalciteConnectionConfig config) {
            return true;
        }
    };
}