Package org.apache.phoenix.compile

Examples of org.apache.phoenix.compile.QueryCompiler

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        try {
            SelectStatement indexSelect = FACTORY.select(select, tables);
            ColumnResolver resolver = FromCompiler.getResolverForQuery(indexSelect, statement.getConnection());
            // Check index state of now potentially updated index table to make sure it's active
            if (PIndexState.ACTIVE.equals(resolver.getTables().get(0).getTable().getIndexState())) {
                QueryCompiler compiler = new QueryCompiler(statement, indexSelect, resolver, targetColumns, parallelIteratorFactory, dataPlan.getContext().getSequenceManager());
                QueryPlan plan = compiler.compile();
                // If query doesn't have where clause and some of columns to project are missing
                // in the index then we need to get missing columns from main table for each row in
                // local index. It's like full scan of both local index and data table which is inefficient.
                // Then we don't use the index. If all the columns to project are present in the index
                // then we can use the index even the query doesn't have where clause.
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        @Override
        public QueryPlan compilePlan(PhoenixStatement stmt, Sequence.ValueOp seqAction) throws SQLException {
            SelectStatement select = SubselectRewriter.flatten(this, stmt.getConnection());
            ColumnResolver resolver = FromCompiler.getResolverForQuery(select, stmt.getConnection());
            select = StatementNormalizer.normalize(select, resolver);
            QueryPlan plan = new QueryCompiler(stmt, select, resolver).compile();
            plan.getContext().getSequenceManager().validateSequences(seqAction);
            return plan;
        }
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        @SuppressWarnings("unchecked")
        @Override
        public QueryPlan compilePlan(PhoenixStatement stmt) throws SQLException {
            ColumnResolver resolver = FromCompiler.getResolverForQuery(this, stmt.getConnection());
            SelectStatement select = StatementNormalizer.normalize(this, resolver);
            return new QueryCompiler(stmt, select, resolver).compile();
        }
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    public QueryPlan optimize(PhoenixStatement statement, SelectStatement select) throws SQLException {
        return optimize(statement, select, FromCompiler.getResolverForQuery(select, statement.getConnection()), Collections.<PColumn>emptyList(), null);
    }

    public QueryPlan optimize(PhoenixStatement statement, SelectStatement select, ColumnResolver resolver, List<? extends PDatum> targetColumns, ParallelIteratorFactory parallelIteratorFactory) throws SQLException {
        QueryCompiler compiler = new QueryCompiler(statement, select, resolver, targetColumns, parallelIteratorFactory);
        QueryPlan dataPlan = compiler.compile();
        return optimize(dataPlan, statement, targetColumns, parallelIteratorFactory);
    }
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        try {
            SelectStatement indexSelect = FACTORY.select(select, tables);
            ColumnResolver resolver = FromCompiler.getResolverForQuery(indexSelect, statement.getConnection());
            // Check index state of now potentially updated index table to make sure it's active
            if (PIndexState.ACTIVE.equals(resolver.getTables().get(0).getTable().getIndexState())) {
                QueryCompiler compiler = new QueryCompiler(statement, indexSelect, resolver, targetColumns, parallelIteratorFactory);
                QueryPlan plan = compiler.compile();
                // Checking number of columns handles the wildcard cases correctly, as in that case the index
                // must contain all columns from the data table to be able to be used.
                if (plan.getTableRef().getTable().getIndexState() == PIndexState.ACTIVE && plan.getProjector().getColumnCount() == nColumns) {
                    return plan;
                }
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Related Classes of org.apache.phoenix.compile.QueryCompiler

  • org.apache.hadoop.hbase.client.Scan
  • org.apache.phoenix.compile.GroupByCompiler.GroupBy
  • org.apache.phoenix.compile.JoinCompiler.JoinSpec
  • org.apache.phoenix.compile.JoinCompiler.JoinTable
  • org.apache.phoenix.compile.JoinCompiler.ProjectedPTableWrapper
  • org.apache.phoenix.compile.JoinCompiler.PTableWrapper
  • org.apache.phoenix.compile.JoinCompiler.Table
  • org.apache.phoenix.compile.OrderByCompiler.OrderBy
  • org.apache.phoenix.execute.AggregatePlan
  • org.apache.phoenix.execute.BaseQueryPlan
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