Examples with PruneIdentityProjections com.facebook.presto.sql.planner.optimizations.PruneIdentityProjections used on opensource projects

Example 1 with PruneIdentityProjections

use of com.facebook.presto.sql.planner.optimizations.PruneIdentityProjections in project presto by prestodb.

the class BasePlanTest method assertMinimallyOptimizedPlan.

protected void assertMinimallyOptimizedPlan(@Language("SQL") String sql, PlanMatchPattern pattern) {
    LocalQueryRunner queryRunner = getQueryRunner();
    List<PlanOptimizer> optimizers = ImmutableList.of(new UnaliasSymbolReferences(), new PruneUnreferencedOutputs(), new PruneIdentityProjections());
    queryRunner.inTransaction(transactionSession -> {
        Plan actualPlan = queryRunner.createPlan(transactionSession, sql, optimizers, LogicalPlanner.Stage.OPTIMIZED);
        PlanAssert.assertPlan(transactionSession, queryRunner.getMetadata(), actualPlan, pattern);
        return null;
    });
}