Examples with CalcitePlanner org.apache.hadoop.hive.ql.parse.CalcitePlanner used on opensource projects

Example 1 with CalcitePlanner

use of org.apache.hadoop.hive.ql.parse.CalcitePlanner in project hive by apache.

the class HiveMaterializedViewsRegistry method parseQuery.

private static RelNode parseQuery(String viewQuery) {
    try {
        final ASTNode node = ParseUtils.parse(viewQuery);
        final QueryState qs = new QueryState(SessionState.get().getConf());
        CalcitePlanner analyzer = new CalcitePlanner(qs);
        analyzer.initCtx(new Context(SessionState.get().getConf()));
        analyzer.init(false);
        return analyzer.genLogicalPlan(node);
    } catch (Exception e) {
        // We could not parse the view
        return null;
    }
}