Examples of org.apache.vxquery.compiler.rewriter.rules.ConvertFromAlgebricksExpressionsRule

Package org.apache.vxquery.compiler.rewriter.rules

Examples of org.apache.vxquery.compiler.rewriter.rules.ConvertFromAlgebricksExpressionsRule

org.apache.vxquery.compiler.rewriter.rules.ConvertFromAlgebricksExpressionsRule
The rule searches for where the Algebricks builtin function are temporarly in the plan in place of XQuery function. The combination the Algebricks builtin function are replace with boolean XQuery function and the XQuery equivalent function.
```
 Before plan__parent %OPERATOR( $v1 : algebricks_function( \@input_expression ) ) plan__child Where xquery_function creates an atomic value. After  plan__parent %OPERATOR( $v1 : boolean(xquery_function( \@input_expression ) ) ) plan__child 
```
@author prestonc

        return physicalPlanRewrites;
    }


    public final static List<IAlgebraicRewriteRule> prepareForJobGenRuleCollection() {
        List<IAlgebraicRewriteRule> prepareForJobGenRewrites = new LinkedList<IAlgebraicRewriteRule>();
        prepareForJobGenRewrites.add(new ConvertFromAlgebricksExpressionsRule());
        prepareForJobGenRewrites.add(new IsolateHyracksOperatorsRule(
                HeuristicOptimizer.hyraxOperatorsBelowWhichJobGenIsDisabled));
        prepareForJobGenRewrites.add(new ExtractCommonOperatorsRule());
        // Re-infer all types, so that, e.g., the effect of not-is-null is
        // propagated.

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        return physicalPlanRewrites;
    }


    public final static List<IAlgebraicRewriteRule> prepareForJobGenRuleCollection() {
        List<IAlgebraicRewriteRule> prepareForJobGenRewrites = new LinkedList<IAlgebraicRewriteRule>();
        prepareForJobGenRewrites.add(new ConvertFromAlgebricksExpressionsRule());
        prepareForJobGenRewrites.add(new IsolateHyracksOperatorsRule(
                HeuristicOptimizer.hyraxOperatorsBelowWhichJobGenIsDisabled));
        prepareForJobGenRewrites.add(new ExtractCommonOperatorsRule());
        // Re-infer all types, so that, e.g., the effect of not-is-null is
        // propagated.

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Related Classes of org.apache.vxquery.compiler.rewriter.rules.ConvertFromAlgebricksExpressionsRule

edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression

edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression

org.apache.vxquery.compiler.rewriter.RewriteRuleset

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