//////////////// JOIN GRAPH CONSTRUCTION ////////////////////
JoinGraph initializeJoinGraph(SimpleConjunctiveQuery view) {
JoinGraph joinGraph = new JoinGraph();
for (SetAlias variable : view.getGenerators()) {
joinGraph.addNode(variable);
}
for (VariableJoinCondition joinCondition : view.getJoinConditions()) {
addJoinConditionToGraph(joinCondition, joinGraph, view);
}
return joinGraph;
}
