@Override public void onMatch(RelOptRuleCall call) { LOG.debug("JDBCSortPushDownRule has been called"); final HiveSortLimit sort = call.rel(0); final HiveJdbcConverter converter = call.rel(1); final RelNode input = call.rel(2); Sort newHiveSort = sort.copy(sort.getTraitSet(), input, sort.getCollation(), sort.getOffsetExpr(), sort.getFetchExpr()); JdbcSort newJdbcSort = (JdbcSort) new JdbcSortRule(converter.getJdbcConvention()).convert(newHiveSort, false); if (newJdbcSort != null) { RelNode converterRes = converter.copy(converter.getTraitSet(), Arrays.asList(newJdbcSort)); call.transformTo(converterRes); } }
public static List<RelOptRule> rules(JdbcConvention out, RelBuilderFactory relBuilderFactory) { return ImmutableList.of( new JdbcToEnumerableConverterRule(out, relBuilderFactory), new JdbcJoinRule(out, relBuilderFactory), new JdbcCalcRule(out, relBuilderFactory), new JdbcProjectRule(out, relBuilderFactory), new JdbcFilterRule(out, relBuilderFactory), new JdbcAggregateRule(out, relBuilderFactory), new JdbcSortRule(out, relBuilderFactory), new JdbcUnionRule(out, relBuilderFactory), new JdbcIntersectRule(out, relBuilderFactory), new JdbcMinusRule(out, relBuilderFactory), new JdbcTableModificationRule(out, relBuilderFactory), new JdbcValuesRule(out, relBuilderFactory)); }
public static List<RelOptRule> rules(JdbcConvention out, RelBuilderFactory relBuilderFactory) { return ImmutableList.of( new JdbcToEnumerableConverterRule(out, relBuilderFactory), new JdbcJoinRule(out, relBuilderFactory), new JdbcCalcRule(out, relBuilderFactory), new JdbcProjectRule(out, relBuilderFactory), new JdbcFilterRule(out, relBuilderFactory), new JdbcAggregateRule(out, relBuilderFactory), new JdbcSortRule(out, relBuilderFactory), new JdbcUnionRule(out, relBuilderFactory), new JdbcIntersectRule(out, relBuilderFactory), new JdbcMinusRule(out, relBuilderFactory), new JdbcTableModificationRule(out, relBuilderFactory), new JdbcValuesRule(out, relBuilderFactory)); }