public TableDesc attachTable(String name, String path) throws ServiceException {
AttachTableRequest.Builder builder = AttachTableRequest.newBuilder();
builder.setName(name);
builder.setPath(path);
TableResponse res = service.attachTable(null, builder.build());
return TCatUtil.newTableDesc(res.getTableDesc());
}
public Fragment(String fragmentId, Path path, TableMeta meta, long start, long length) {
this();
TableMeta newMeta = new TableMetaImpl(meta.getProto());
SchemaProto newSchemaProto =
TCatUtil.getQualfiedSchema(fragmentId, meta.getSchema().getProto());
newMeta.setSchema(new Schema(newSchemaProto));
this.set(fragmentId, path, newMeta, start, length);
}
public TableDesc createTable(String name, Path path, TableMeta meta) throws ServiceException {
CreateTableRequest.Builder builder = CreateTableRequest.newBuilder();
builder.setName(name);
builder.setPath(path.toString());
builder.setMeta(meta.getProto());
TableResponse res = service.createTable(null, builder.build());
return TCatUtil.newTableDesc(res.getTableDesc());
}
public TableDesc getTableDesc(String tableName) throws ServiceException {
GetTableDescRequest.Builder build = GetTableDescRequest.newBuilder();
build.setTableName(tableName);
TableResponse res = service.getTableDesc(null, build.build());
if (res == null) {
return null;
} else {
return TCatUtil.newTableDesc(res.getTableDesc());
}
}
public TableDesc getResultDesc(QueryId queryId) throws ServiceException {
if (queryId.equals(TajoIdUtils.NullQueryId)) {
return null;
}
GetQueryResultRequest.Builder builder = GetQueryResultRequest.newBuilder();
builder.setQueryId(queryId.getProto());
GetQueryResultResponse response = service.getQueryResult(null, builder.build());
return TCatUtil.newTableDesc(response.getTableDesc());
}
@BeforeClass
public static void setUp() throws Exception {
util = new TajoTestingCluster();
util.startCatalogCluster();
cat = util.getMiniCatalogCluster().getCatalog();
schema1 = new Schema();
schema1.addColumn("id", DataType.INT);
schema1.addColumn("name", DataType.STRING);
schema1.addColumn("score", DataType.INT);
schema1.addColumn("age", DataType.INT);
Schema schema2 = new Schema();
schema2.addColumn("id", DataType.INT);
schema2.addColumn("people_id", DataType.INT);
schema2.addColumn("dept", DataType.STRING);
schema2.addColumn("year", DataType.INT);
Schema schema3 = new Schema();
schema3.addColumn("id", DataType.INT);
schema3.addColumn("people_id", DataType.INT);
schema3.addColumn("class", DataType.STRING);
schema3.addColumn("branch_name", DataType.STRING);
Schema schema4 = new Schema();
schema4.addColumn("char_col", DataType.CHAR);
schema4.addColumn("short_col", DataType.SHORT);
schema4.addColumn("int_col", DataType.INT);
schema4.addColumn("long_col", DataType.LONG);
schema4.addColumn("float_col", DataType.FLOAT);
schema4.addColumn("double_col", DataType.DOUBLE);
schema4.addColumn("string_col", DataType.STRING);
TableMeta meta = TCatUtil.newTableMeta(schema1, StoreType.CSV);
TableDesc people = new TableDescImpl("people", meta, new Path("file:///"));
cat.addTable(people);
TableDesc student =
TCatUtil.newTableDesc(
"student", schema2, StoreType.CSV, new Options(), new Path("file:///"));
cat.addTable(student);
TableDesc branch =
TCatUtil.newTableDesc(
"branch", schema3, StoreType.CSV, new Options(), new Path("file:///"));
cat.addTable(branch);
TableDesc allType =
TCatUtil.newTableDesc(
"alltype", schema4, StoreType.CSV, new Options(), new Path("file:///"));
cat.addTable(allType);
TPCH tpch = new TPCH();
tpch.loadSchemas();
Schema lineitemSchema = tpch.getSchema("lineitem");
Schema partSchema = tpch.getSchema("part");
TableDesc lineitem =
TCatUtil.newTableDesc(
"lineitem", lineitemSchema, StoreType.CSV, new Options(), new Path("file:///"));
TableDesc part =
TCatUtil.newTableDesc(
"part", partSchema, StoreType.CSV, new Options(), new Path("file:///"));
cat.addTable(lineitem);
cat.addTable(part);
FunctionDesc funcMeta =
new FunctionDesc(
"sumtest",
TestSum.class,
FunctionType.GENERAL,
new DataType[] {DataType.INT},
new DataType[] {DataType.INT});
cat.registerFunction(funcMeta);
analyzer = new QueryAnalyzer(cat);
}