asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrite/lower/EnvironmentActionFactory.java [183:194]:
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                    });
                    aliasLookupTable.addIterationAlias(vertexVar, iterationVar);
                    aliasLookupTable.addJoinAlias(vertexVar, intermediateVar);
                }
            };

        } else if (vertexAnalysisContext.isExpressionInline()) {
            return new AbstractInlineAction(graphixRewritingContext, vertexAnalysisContext, iterationVar) {
                @Override
                public void apply(LoweringEnvironment loweringEnvironment) throws CompilationException {
                    // Introduce our iteration expression.
                    loweringEnvironment.acceptTransformer(lowerList -> {
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asterix-graphix/src/main/java/org/apache/asterix/graphix/lang/rewrite/lower/EnvironmentActionFactory.java [605:616]:
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                    });
                    aliasLookupTable.addIterationAlias(vertexVar, iterationVar);
                    aliasLookupTable.addJoinAlias(vertexVar, intermediateVar);
                }
            };

        } else if (vertexAnalysisContext.isExpressionInline()) {
            return new AbstractInlineAction(graphixRewritingContext, vertexAnalysisContext, iterationVar) {
                @Override
                public void apply(LoweringEnvironment loweringEnvironment) throws CompilationException {
                    // Join our vertex iteration variable to our edge variable.
                    loweringEnvironment.acceptTransformer(lowerList -> {
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