Examples with CreateResourcePlanDesc org.apache.hadoop.hive.ql.plan.CreateResourcePlanDesc used on opensource projects

Example 1 with CreateResourcePlanDesc

use of org.apache.hadoop.hive.ql.plan.CreateResourcePlanDesc in project hive by apache.

the class DDLSemanticAnalyzer method analyzeCreateResourcePlan.

private void analyzeCreateResourcePlan(ASTNode ast) throws SemanticException {
    if (ast.getChildCount() == 0) {
        throw new SemanticException("Expected name in CREATE RESOURCE PLAN statement");
    }
    String resourcePlanName = unescapeIdentifier(ast.getChild(0).getText());
    Integer queryParallelism = null;
    String likeName = null;
    for (int i = 1; i < ast.getChildCount(); ++i) {
        Tree child = ast.getChild(i);
        switch(child.getType()) {
            case HiveParser.TOK_QUERY_PARALLELISM:
                // Note: later we may be able to set multiple things together (except LIKE).
                if (queryParallelism == null && likeName == null) {
                    queryParallelism = Integer.parseInt(child.getChild(0).getText());
                } else {
                    throw new SemanticException("Conflicting create arguments " + ast.toStringTree());
                }
                break;
            case HiveParser.TOK_LIKERP:
                if (queryParallelism == null && likeName == null) {
                    likeName = unescapeIdentifier(child.getChild(0).getText());
                } else {
                    throw new SemanticException("Conflicting create arguments " + ast.toStringTree());
                }
                break;
            default:
                throw new SemanticException("Invalid create arguments " + ast.toStringTree());
        }
    }
    CreateResourcePlanDesc desc = new CreateResourcePlanDesc(resourcePlanName, queryParallelism, likeName);
    addServiceOutput();
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), desc)));
}