Examples of org.apache.hadoop.hive.ql.hooks.ReadEntity

org.apache.hadoop.hive.ql.hooks.ReadEntity
This class encapsulates the information on the partition and tables that are read by the query.

    if (newPartSpec == null) {
      throw new SemanticException("RENAME PARTITION Missing Destination" + ast);
    }
    Table tab = getTable(tblName, true);
    validateAlterTableType(tab, AlterTableTypes.RENAMEPARTITION);
    inputs.add(new ReadEntity(tab));


    List<Map<String, String>> partSpecs = new ArrayList<Map<String, String>>();
    partSpecs.add(oldPartSpec);
    partSpecs.add(newPartSpec);
    addTablePartsOutputs(tblName, partSpecs);

View Full Code Here

    Table tab = getTable(tblName, true);
    if (tab.getBucketCols() == null || tab.getBucketCols().isEmpty()) {
      throw new SemanticException(ErrorMsg.ALTER_BUCKETNUM_NONBUCKETIZED_TBL.getMsg());
    }
    validateAlterTableType(tab, AlterTableTypes.ALTERBUCKETNUM);
    inputs.add(new ReadEntity(tab));


    int bucketNum = Integer.parseInt(ast.getChild(0).getText());
    AlterTableDesc alterBucketNum = new AlterTableDesc(tblName, partSpec, bucketNum);


    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),

View Full Code Here

    Map<Integer, List<ExprNodeGenericFuncDesc>> partSpecs =
        getFullPartitionSpecs(ast, tab, canGroupExprs);
    if (partSpecs.isEmpty()) return; // nothing to do


    validateAlterTableType(tab, AlterTableTypes.DROPPARTITION, expectView);
    inputs.add(new ReadEntity(tab));


    boolean ignoreProtection = ast.getFirstChildWithType(HiveParser.TOK_IGNOREPROTECTION) != null;
    addTableDropPartsOutputs(tab, partSpecs.values(), !ifExists, ignoreProtection);


    DropTableDesc dropTblDesc =

View Full Code Here

    Table tab = null;


    // check if table exists.
    try {
      tab = getTable(tblName, true);
      inputs.add(new ReadEntity(tab));
    } catch (HiveException e) {
      throw new SemanticException(ErrorMsg.INVALID_TABLE.getMsg(tblName));
    }


    // validate the DDL is a valid operation on the table.

View Full Code Here

            isLocal = FileUtils.isLocalFile(conf, currentLocation);
          }
        } catch (URISyntaxException e) {
          LOG.warn("Unable to create URI from " + currentLocation, e);
        }
        inputs.add(new ReadEntity(new Path(currentLocation), isLocal));
        break;
      default:
        throw new SemanticException("Unknown child: " + child);
      }
    }

View Full Code Here

      throws SemanticException {


    String tblName = getUnescapedName((ASTNode)ast.getChild(0));
    Table tab = getTable(tblName, true);
    validateAlterTableType(tab, AlterTableTypes.TOUCH);
    inputs.add(new ReadEntity(tab));


    // partition name to value
    List<Map<String, String>> partSpecs = getPartitionSpecs(ast);


    if (partSpecs.size() == 0) {

View Full Code Here

    List<Map<String, String>> partSpecs = getPartitionSpecs(ast);


    Table tab = getTable(tblName, true);
    addTablePartsOutputs(tblName, partSpecs, true);
    validateAlterTableType(tab, AlterTableTypes.ARCHIVE);
    inputs.add(new ReadEntity(tab));


    if (partSpecs.size() > 1) {
      throw new SemanticException(isUnArchive ?
          ErrorMsg.UNARCHIVE_ON_MULI_PARTS.getMsg() :
          ErrorMsg.ARCHIVE_ON_MULI_PARTS.getMsg());

View Full Code Here

    HiveConf hiveConf = SessionState.get().getConf();


    String tableName = getUnescapedName((ASTNode) ast.getChild(0));
    Table tab = getTable(tableName, true);


    inputs.add(new ReadEntity(tab));
    outputs.add(new WriteEntity(tab, WriteEntity.WriteType.DDL_EXCLUSIVE));


    validateAlterTableType(tab, AlterTableTypes.ADDSKEWEDBY);


    if (ast.getChildCount() == 1) {

View Full Code Here

    Partition part = db.getPartition(tbl, renamePartitionDesc.getOldPartSpec(), false);
    part.setValues(renamePartitionDesc.getNewPartSpec());
    db.renamePartition(tbl, renamePartitionDesc.getOldPartSpec(), part);
    Partition newPart = db
        .getPartition(tbl, renamePartitionDesc.getNewPartSpec(), false);
    work.getInputs().add(new ReadEntity(oldPart));
    // We've already obtained a lock on the table, don't lock the partition too
    work.getOutputs().add(new WriteEntity(newPart, WriteEntity.WriteType.DDL_NO_LOCK));
    return 0;
  }

View Full Code Here

      db.alterTable(tabName, tbl);
    } catch (InvalidOperationException e) {
      throw new HiveException(e, ErrorMsg.GENERIC_ERROR, "Unable to alter " + tabName);
    }


    work.getInputs().add(new ReadEntity(tbl));
    // We've already locked the table as the input, don't relock it as the output.
    work.getOutputs().add(new WriteEntity(tbl, WriteEntity.WriteType.DDL_NO_LOCK));


    return 0;
  }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.hadoop.hive.ql.hooks.ReadEntity

org.apache.hadoop.hive.ql.exec.DDLTask

org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager

org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils

org.apache.hadoop.hive.ql.optimizer.SimpleFetchOptimizer

org.apache.hadoop.hive.ql.optimizer.SimpleFetchOptimizer$FetchData

org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer

org.apache.hadoop.hive.ql.parse.ExportSemanticAnalyzer

org.apache.hadoop.hive.ql.parse.ImportSemanticAnalyzer

org.apache.hadoop.hive.ql.parse.LoadSemanticAnalyzer

org.apache.hadoop.hive.ql.parse.SemanticAnalyzer

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.