TableUtil { public static String[] getNumericCols(TableSchema tableSchema) { return getNumericCols(tableSchema, null); }  static synchronized String getTempTableName(); static int findColIndex(String[] tableCols, String targetCol); static int findColIndexWithAssert(String[] tableCols, String targetCol); static int findColIndexWithAssertAndHint(String[] tableCols, String targetCol); static int findColIndex(TableSchema tableSchema, String targetCol); static int findColIndexWithAssert(TableSchema tableSchema, String targetCol); static int findColIndexWithAssertAndHint(TableSchema tableSchema, String targetCol); static int[] findColIndices(String[] tableCols, String[] targetCols); static int[] findColIndicesWithAssert(String[] tableCols, String[] targetCols); static int[] findColIndicesWithAssertAndHint(String[] tableCols, String[] targetCols); static int[] findColIndices(TableSchema tableSchema, String[] targetCols); static int[] findColIndicesWithAssert(TableSchema tableSchema, String[] targetCols); static int[] findColIndicesWithAssertAndHint(TableSchema tableSchema, String[] targetCols); static TypeInformation[] findColTypes(TableSchema tableSchema, String[] targetCols); static TypeInformation[] findColTypesWithAssert(TableSchema tableSchema, String[] targetCols); static TypeInformation[] findColTypesWithAssertAndHint(TableSchema tableSchema, String[] targetCols); static TypeInformation findColType(TableSchema tableSchema, String targetCol); static TypeInformation findColTypeWithAssert(TableSchema tableSchema, String targetCol); static TypeInformation findColTypeWithAssertAndHint(TableSchema tableSchema, String targetCol); static boolean isNumber(TypeInformation dataType); static boolean isString(TypeInformation dataType); static boolean isVector(TypeInformation dataType); static void assertSelectedColExist(String[] tableCols, String... selectedCols); static void assertNumericalCols(TableSchema tableSchema, String... selectedCols); static void assertStringCols(TableSchema tableSchema, String... selectedCols); static void assertVectorCols(TableSchema tableSchema, String... selectedCols); static String[] getStringCols(TableSchema tableSchema); static String[] getStringCols(TableSchema tableSchema, String[] excludeCols); static String[] getNumericCols(TableSchema tableSchema); static String[] getNumericCols(TableSchema tableSchema, String[] excludeCols); static String[] getCategoricalCols(
        TableSchema tableSchema, String[] featureCols, String[] categoricalCols); static String formatTitle(String[] colNames); static String formatRows(Row row); static String format(String[] colNames, List<Row> data); static String columnsToSqlClause(String[] colNames); static String toSchemaJson(TableSchema schema); static TableSchema fromSchemaJson(String schemaJson); static Table concatTables(Table[] tables, Long sessionId); static Table[] splitTable(Table table); static Row getRow(Row row, int... keepIdxs);  }
@Test public void getNumericColsTest() { TableSchema tableSchema = new TableSchema(new String[]{"f0", "f1", "F2", "f3"}, new TypeInformation[]{Types.INT, Types.LONG, Types.STRING, Types.BOOLEAN}); Assert.assertArrayEquals(TableUtil.getNumericCols(tableSchema), new String[]{"f0", "f1"}); Assert.assertArrayEquals(TableUtil.getNumericCols(tableSchema, new String[]{"f0"}), new String[]{"f1"}); Assert.assertArrayEquals(TableUtil.getNumericCols(tableSchema, new String[]{"f2"}), new String[]{"f0", "f1"}); }