Examples with DDLDesc org.apache.hadoop.hive.ql.ddl.DDLDesc used on opensource projects

Example 6 with DDLDesc

use of org.apache.hadoop.hive.ql.ddl.DDLDesc in project hive by apache.

the class AbstractAlterTableArchiveAnalyzer method analyzeCommand.

@Override
protected // the AST tree
void analyzeCommand(TableName tableName, Map<String, String> partSpec, ASTNode command) throws SemanticException {
    if (!conf.getBoolVar(HiveConf.ConfVars.HIVEARCHIVEENABLED)) {
        throw new SemanticException(ErrorMsg.ARCHIVE_METHODS_DISABLED.getMsg());
    }
    Table table = getTable(tableName);
    validateAlterTableType(table, AlterTableType.ARCHIVE, false);
    List<Map<String, String>> partitionSpecs = getPartitionSpecs(table, command);
    if (partitionSpecs.size() > 1) {
        throw new SemanticException(getMultiPartsErrorMessage().getMsg());
    }
    if (partitionSpecs.size() == 0) {
        throw new SemanticException(ErrorMsg.ARCHIVE_ON_TABLE.getMsg());
    }
    Map<String, String> partitionSpec = partitionSpecs.get(0);
    try {
        isValidPrefixSpec(table, partitionSpec);
    } catch (HiveException e) {
        throw new SemanticException(e.getMessage(), e);
    }
    inputs.add(new ReadEntity(table));
    PartitionUtils.addTablePartsOutputs(db, outputs, table, partitionSpecs, true, WriteEntity.WriteType.DDL_NO_LOCK);
    DDLDesc archiveDesc = createDesc(tableName, partitionSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), archiveDesc)));
}