Examples with SchemaEvolutionEntry org.apache.carbondata.core.metadata.schema.SchemaEvolutionEntry used on opensource projects

Example 11 with SchemaEvolutionEntry

use of org.apache.carbondata.core.metadata.schema.SchemaEvolutionEntry in project carbondata by apache.

the class StoreCreator method createTable.

private static CarbonTable createTable() throws IOException {
    TableInfo tableInfo = new TableInfo();
    tableInfo.setDatabaseName(identifier.getCarbonTableIdentifier().getDatabaseName());
    TableSchema tableSchema = new TableSchema();
    tableSchema.setTableName(identifier.getCarbonTableIdentifier().getTableName());
    List<ColumnSchema> columnSchemas = new ArrayList<ColumnSchema>();
    ArrayList<Encoding> encodings = new ArrayList<>();
    encodings.add(Encoding.DICTIONARY);
    ColumnSchema id = new ColumnSchema();
    id.setColumnName("ID");
    id.setColumnar(true);
    id.setDataType(DataTypes.INT);
    id.setEncodingList(encodings);
    id.setColumnUniqueId(UUID.randomUUID().toString());
    id.setDimensionColumn(true);
    id.setColumnGroup(1);
    columnSchemas.add(id);
    ColumnSchema date = new ColumnSchema();
    date.setColumnName("date");
    date.setColumnar(true);
    date.setDataType(DataTypes.STRING);
    date.setEncodingList(encodings);
    date.setColumnUniqueId(UUID.randomUUID().toString());
    date.setDimensionColumn(true);
    date.setColumnGroup(2);
    columnSchemas.add(date);
    ColumnSchema country = new ColumnSchema();
    country.setColumnName("country");
    country.setColumnar(true);
    country.setDataType(DataTypes.STRING);
    country.setEncodingList(encodings);
    country.setColumnUniqueId(UUID.randomUUID().toString());
    country.setDimensionColumn(true);
    country.setColumnGroup(3);
    columnSchemas.add(country);
    ColumnSchema name = new ColumnSchema();
    name.setColumnName("name");
    name.setColumnar(true);
    name.setDataType(DataTypes.STRING);
    name.setEncodingList(encodings);
    name.setColumnUniqueId(UUID.randomUUID().toString());
    name.setDimensionColumn(true);
    name.setColumnGroup(4);
    columnSchemas.add(name);
    ColumnSchema phonetype = new ColumnSchema();
    phonetype.setColumnName("phonetype");
    phonetype.setColumnar(true);
    phonetype.setDataType(DataTypes.STRING);
    phonetype.setEncodingList(encodings);
    phonetype.setColumnUniqueId(UUID.randomUUID().toString());
    phonetype.setDimensionColumn(true);
    phonetype.setColumnGroup(5);
    columnSchemas.add(phonetype);
    ColumnSchema serialname = new ColumnSchema();
    serialname.setColumnName("serialname");
    serialname.setColumnar(true);
    serialname.setDataType(DataTypes.STRING);
    serialname.setEncodingList(encodings);
    serialname.setColumnUniqueId(UUID.randomUUID().toString());
    serialname.setDimensionColumn(true);
    serialname.setColumnGroup(6);
    columnSchemas.add(serialname);
    ColumnSchema salary = new ColumnSchema();
    salary.setColumnName("salary");
    salary.setColumnar(true);
    salary.setDataType(DataTypes.INT);
    salary.setEncodingList(new ArrayList<Encoding>());
    salary.setColumnUniqueId(UUID.randomUUID().toString());
    salary.setDimensionColumn(false);
    salary.setColumnGroup(7);
    columnSchemas.add(salary);
    tableSchema.setListOfColumns(columnSchemas);
    SchemaEvolution schemaEvol = new SchemaEvolution();
    schemaEvol.setSchemaEvolutionEntryList(new ArrayList<SchemaEvolutionEntry>());
    tableSchema.setSchemaEvalution(schemaEvol);
    tableSchema.setTableId(UUID.randomUUID().toString());
    tableInfo.setTableUniqueName(identifier.getCarbonTableIdentifier().getTableUniqueName());
    tableInfo.setLastUpdatedTime(System.currentTimeMillis());
    tableInfo.setFactTable(tableSchema);
    tableInfo.setTablePath(identifier.getTablePath());
    String schemaFilePath = CarbonTablePath.getSchemaFilePath(identifier.getTablePath());
    String schemaMetadataPath = CarbonTablePath.getFolderContainingFile(schemaFilePath);
    CarbonMetadata.getInstance().loadTableMetadata(tableInfo);
    SchemaConverter schemaConverter = new ThriftWrapperSchemaConverterImpl();
    org.apache.carbondata.format.TableInfo thriftTableInfo = schemaConverter.fromWrapperToExternalTableInfo(tableInfo, tableInfo.getDatabaseName(), tableInfo.getFactTable().getTableName());
    org.apache.carbondata.format.SchemaEvolutionEntry schemaEvolutionEntry = new org.apache.carbondata.format.SchemaEvolutionEntry(tableInfo.getLastUpdatedTime());
    thriftTableInfo.getFact_table().getSchema_evolution().getSchema_evolution_history().add(schemaEvolutionEntry);
    FileFactory.FileType fileType = FileFactory.getFileType(schemaMetadataPath);
    if (!FileFactory.isFileExist(schemaMetadataPath, fileType)) {
        FileFactory.mkdirs(schemaMetadataPath, fileType);
    }
    ThriftWriter thriftWriter = new ThriftWriter(schemaFilePath, false);
    thriftWriter.open();
    thriftWriter.write(thriftTableInfo);
    thriftWriter.close();
    return CarbonMetadata.getInstance().getCarbonTable(tableInfo.getTableUniqueName());
}

Example 12 with SchemaEvolutionEntry

use of org.apache.carbondata.core.metadata.schema.SchemaEvolutionEntry in project carbondata by apache.

the class ThriftWrapperSchemaConverterImpl method fromWrapperToExternalSchemaEvolutionEntry.

/* (non-Javadoc)
    * Converts  from wrapper to thrift schema evolution entry
    */
@Override
public org.apache.carbondata.format.SchemaEvolutionEntry fromWrapperToExternalSchemaEvolutionEntry(SchemaEvolutionEntry wrapperSchemaEvolutionEntry) {
    org.apache.carbondata.format.SchemaEvolutionEntry thriftSchemaEvolutionEntry = new org.apache.carbondata.format.SchemaEvolutionEntry(wrapperSchemaEvolutionEntry.getTimeStamp());
    if (null != wrapperSchemaEvolutionEntry.getAdded()) {
        List<org.apache.carbondata.format.ColumnSchema> thriftAddedColumns = new ArrayList<org.apache.carbondata.format.ColumnSchema>();
        for (ColumnSchema wrapperColumnSchema : wrapperSchemaEvolutionEntry.getAdded()) {
            thriftAddedColumns.add(fromWrapperToExternalColumnSchema(wrapperColumnSchema));
        }
        thriftSchemaEvolutionEntry.setAdded(thriftAddedColumns);
    }
    if (null != wrapperSchemaEvolutionEntry.getRemoved()) {
        List<org.apache.carbondata.format.ColumnSchema> thriftRemovedColumns = new ArrayList<org.apache.carbondata.format.ColumnSchema>();
        for (ColumnSchema wrapperColumnSchema : wrapperSchemaEvolutionEntry.getRemoved()) {
            thriftRemovedColumns.add(fromWrapperToExternalColumnSchema(wrapperColumnSchema));
        }
        thriftSchemaEvolutionEntry.setRemoved(thriftRemovedColumns);
    }
    return thriftSchemaEvolutionEntry;
}