use of com.blazebit.persistence.parser.expression.ArrayExpression in project blaze-persistence by Blazebit.
the class JoinManager method addRoot.
String addRoot(String correlationPath, Expression expr, String rootAlias, boolean lateral, boolean implicitCorrelation) {
PathExpression pathExpression;
String treatEntityType = null;
// First we extract the path expression and some parameters from surrounding expressions
if (expr instanceof PathExpression) {
pathExpression = (PathExpression) expr;
} else if (expr instanceof TreatExpression) {
TreatExpression treatExpression = (TreatExpression) expr;
Expression expression = treatExpression.getExpression();
if (expression instanceof PathExpression) {
pathExpression = (PathExpression) expression;
treatEntityType = treatExpression.getType();
} else {
throw new IllegalArgumentException("Unexpected expression type[" + expression.getClass().getSimpleName() + "] in treat expression: " + treatExpression);
}
} else if (expr instanceof FunctionExpression && ExpressionUtils.isOuterFunction((FunctionExpression) expr)) {
FunctionExpression outerFunctionExpr = (FunctionExpression) expr;
pathExpression = (PathExpression) outerFunctionExpr.getExpressions().get(0);
} else {
throw new IllegalArgumentException("Correlation join path [" + correlationPath + "] is not a valid join path");
}
if (isJoinableSelectAlias(pathExpression, false, false)) {
throw new IllegalArgumentException("No select alias allowed in join path");
}
// Correlation is split into 3 phases
// Phase 1 is determining the correlation basis which must be an alias
// Phase 2 is determining the correlated attribute which we use in the root node of the subquery
// Phase 3 is joining the rest of the path and assigning the last join node the given alias
List<JoinNode> treatedCorrelationNodes = new ArrayList<>();
List<PathExpression> pathExpressionStack = new ArrayList<>();
pathExpressionStack.add(pathExpression);
// Phase 1
JoinNode correlationParent = null;
boolean needsCorrelationAttribute = true;
int start = 0;
for (int i = 0; i < pathExpressionStack.size(); i++) {
PathExpression currentPathExpression = pathExpressionStack.get(i);
List<PathElementExpression> pathElements = currentPathExpression.getExpressions();
AliasInfo aliasInfo;
if (pathElements.get(0) instanceof PropertyExpression) {
if ((aliasInfo = aliasManager.getAliasInfo(pathElements.get(0).toString())) != null) {
if (aliasInfo instanceof SelectInfo) {
if (pathElements.size() != 1) {
// We actually allow usage of select aliases in expressions, but JPA doesn't, so we have to resolve them here
Expression selectExpr = ((SelectInfo) aliasInfo).getExpression();
if (!(selectExpr instanceof PathExpression)) {
throw new RuntimeException("The select expression '" + selectExpr.toString() + "' is not a simple path expression! No idea how to implicit join that.");
}
// join the expression behind a select alias once when it is encountered the first time
if (((PathExpression) selectExpr).getBaseNode() == null) {
implicitJoin(selectExpr, true, true, true, null, ClauseType.JOIN, null, false, true, true, false);
}
PathExpression selectPathExpr = (PathExpression) selectExpr;
correlationParent = (JoinNode) selectPathExpr.getBaseNode();
if (selectPathExpr.getField() != null) {
rootAlias += "." + selectPathExpr.getField();
}
start = 1;
} else {
// We can't correlate a single select expression
return null;
}
} else {
correlationParent = ((JoinAliasInfo) aliasInfo).getJoinNode();
start = 1;
}
} else {
correlationParent = parent.getRootNodeOrFail("Could not join correlation path [", correlationPath, "] because it did not use an absolute path but multiple root nodes are available!");
}
} else if (pathElements.get(0) instanceof TreatExpression) {
TreatExpression treatExpression = (TreatExpression) pathElements.get(0);
PathExpression treatExpressionPathExpression = (PathExpression) treatExpression.getExpression();
if (treatExpressionPathExpression.getExpressions().size() == 1) {
if ((aliasInfo = aliasManager.getAliasInfo(treatExpressionPathExpression.getExpressions().get(0).toString())) != null) {
// Root treat
correlationParent = ((JoinAliasInfo) aliasInfo).getJoinNode().getTreatedJoinNode(metamodel.entity(treatExpression.getType()));
treatedCorrelationNodes.add(correlationParent);
// Use the treated root node as correlation parent
start = 1;
} else {
// Treat of an association on a query root
correlationParent = parent.getRootNodeOrFail("Could not join correlation path [", correlationPath, "] because it did not use an absolute path but multiple root nodes are available!");
pathExpressionStack.add(treatExpressionPathExpression);
break;
}
} else {
pathExpressionStack.add(treatExpressionPathExpression);
}
} else if (pathElements.get(0) instanceof ArrayExpression && ((ArrayExpression) pathElements.get(0)).getBase() instanceof EntityLiteral) {
ArrayExpression arrayExpression = (ArrayExpression) pathElements.get(0);
JoinNode matchingNode = implicitCorrelation ? findNode(null, null, arrayExpression) : null;
if (matchingNode == null) {
rootAlias = addRoot(metamodel.entity(((EntityLiteral) arrayExpression.getBase()).getValue()), rootAlias, lateral && pathElements.size() == 1);
correlationParent = ((JoinAliasInfo) aliasManager.getAliasInfo(rootAlias)).getJoinNode();
// This is only necessary in the CTE query where the lateral flag is set to false
if (!lateral) {
implicitJoinIndex(arrayExpression);
generateAndApplyOnPredicate(correlationParent, arrayExpression);
}
} else {
rootAlias = matchingNode.getAliasExpression();
correlationParent = matchingNode;
}
start = 1;
needsCorrelationAttribute = false;
} else if (pathElements.get(0) instanceof ArrayExpression) {
correlationParent = parent.getRootNodeOrFail("Could not join correlation path [", correlationPath, "] because it did not use an absolute path but multiple root nodes are available!");
} else {
throw new IllegalArgumentException("The correlation path '" + correlationPath + "' couldn't be properly analyzed because of an unsupported expression structure!");
}
}
// Phase 2
PathExpression currentPathExpression = pathExpressionStack.remove(pathExpressionStack.size() - 1);
List<PathElementExpression> pathElements = currentPathExpression.getExpressions();
int correlatedAttributeIndex = findCorrelatedAttributeIndex(correlationParent, pathElements, start, pathElements.size());
if (correlatedAttributeIndex == -1) {
if (needsCorrelationAttribute) {
if (!implicitCorrelation) {
throw new IllegalArgumentException("The correlation path '" + correlationPath + "' does not contain an attribute that can be correlated!");
} else {
return null;
}
}
return rootAlias;
}
Expression correlatedAttributeExpr;
String correlatedAttribute;
if (start == correlatedAttributeIndex) {
correlatedAttributeExpr = pathElements.get(start);
correlatedAttribute = getCorrelatedAttribute(new PathExpression(pathElements.subList(start, correlatedAttributeIndex + 1)));
} else {
correlatedAttributeExpr = new PathExpression(pathElements.subList(start, correlatedAttributeIndex + 1));
correlatedAttribute = getCorrelatedAttribute((PathExpression) correlatedAttributeExpr);
start += correlatedAttributeIndex - start;
}
// Phase 3
final JoinNode rootNode;
if (pathExpressionStack.isEmpty() && start + 1 == pathElements.size()) {
// This is a simple path to an association, no deep expression that requires implicit joining
JoinNode matchingNode = null;
if (implicitCorrelation) {
JoinTreeNode existingNode = correlationParent.getNodes().get(correlatedAttribute);
if (existingNode != null && existingNode.getDefaultNode() != null) {
matchingNode = existingNode.getDefaultNode();
}
}
if (matchingNode == null) {
rootNode = correlate(new JoinResult(correlationParent), rootAlias, correlatedAttributeExpr, metamodel.getEntity(treatEntityType), true, lateral, implicitCorrelation).baseNode;
rootAlias = rootNode.getAliasExpression();
} else {
// Try reusing an existing join
rootNode = matchingNode;
rootAlias = matchingNode.getAliasExpression();
}
} else {
JoinNode matchingNode = null;
if (implicitCorrelation) {
String path;
if (correlationParent.getAliasInfo() instanceof TreatedJoinAliasInfo) {
path = ((TreatedJoinAliasInfo) correlationParent.getAliasInfo()).getTreatedJoinNode().getAliasInfo().getAbsolutePath();
} else {
path = correlationParent.getAliasInfo().getAbsolutePath();
}
String correlationBaseAlias = (path + "_" + correlatedAttribute).replace('.', '_') + "_base";
for (int i = 0; i < rootNodes.size(); i++) {
JoinNode node = rootNodes.get(i);
if (node.getAliasInfo().isImplicit()) {
if (node.getCorrelationParent() == correlationParent && correlatedAttribute.equals(node.getCorrelationPath())) {
matchingNode = node;
break;
} else if (node.getOnPredicate() != null && correlationBaseAlias.equals(node.getAlias())) {
matchingNode = node;
start--;
break;
}
}
}
}
if (matchingNode == null) {
// This is a simple path to an association, no deep expression that requires implicit joining
JoinTreeNode existingNode = correlationParent.getNodes().get(correlatedAttribute);
if (!implicitCorrelation || existingNode == null || existingNode.getDefaultNode() == null) {
if (isSingleValuedAssociationId(correlationParent, currentPathExpression, start)) {
return correlationParent.getAliasExpression() + "." + new PathExpression(pathElements.subList(start, pathElements.size()));
}
rootNode = correlate(new JoinResult(correlationParent), rootAlias, correlatedAttributeExpr, null, false, lateral, implicitCorrelation).baseNode;
} else {
// Try reusing an existing join
rootNode = existingNode.getDefaultNode();
}
} else {
rootNode = matchingNode;
}
// We correlate or reuse a join for the current position, so increment
start++;
JoinResult result = new JoinResult(rootNode);
if (pathExpressionStack.size() > 0) {
// Implicit join the rest of the current level
pathExpressionStack.add(currentPathExpression);
while (pathExpressionStack.size() > 1) {
currentPathExpression = pathExpressionStack.remove(pathExpressionStack.size() - 1);
pathElements = currentPathExpression.getExpressions();
for (; start < pathElements.size(); start++) {
PathElementExpression pathElementExpression = pathElements.get(start);
if (pathElementExpression instanceof TreatExpression) {
TreatExpression treatExpression = (TreatExpression) pathElementExpression;
EntityType<?> treatType = metamodel.entity(treatExpression.getType());
JoinNode treatedNode = result.baseNode.getTreatedJoinNode(treatType);
treatedCorrelationNodes.add(treatedNode);
// We just implicit join the rest of the expression
result = implicitJoin(treatedNode, currentPathExpression, null, implicitCorrelation ? JoinType.LEFT : JoinType.INNER, null, new HashSet<String>(), start + 1, pathElements.size(), true, true, true, false);
start = pathElements.size();
} else {
JoinTreeNode existingNode = correlationParent.getNodes().get(((PropertyExpression) pathElementExpression).getProperty());
if (existingNode == null || existingNode.getDefaultNode() == null) {
break;
}
result = new JoinResult(existingNode.getDefaultNode());
}
}
if (result.baseNode.getAliasInfo().getAliasOwner() != aliasManager && start + 1 < pathElements.size() - 1) {
result = correlate(result, rootAlias, pathElements.get(start), null, false, lateral, implicitCorrelation);
start++;
}
result = implicitJoin(result.baseNode, currentPathExpression, null, implicitCorrelation ? JoinType.LEFT : JoinType.INNER, null, new HashSet<String>(), start, pathElements.size(), true, true, true, false);
// Reset start
start = 0;
}
// At the end of treat processing, we are at index 1
start = 1;
}
if (pathExpressionStack.size() > 0) {
currentPathExpression = pathExpressionStack.remove(0);
pathElements = currentPathExpression.getExpressions();
// This can only be a treat expression
TreatExpression treatExpression = (TreatExpression) pathElements.get(0);
EntityType<?> treatType = metamodel.entity(treatExpression.getType());
JoinNode treatedNode = result.baseNode.getTreatedJoinNode(treatType);
treatedCorrelationNodes.add(treatedNode);
result = new JoinResult(treatedNode, null, treatType, -1, -1);
// Reset start
start = 1;
}
pathElements = currentPathExpression.getExpressions();
Expression elementExpr = pathElements.get(pathElements.size() - 1);
while (result.baseNode.getAliasInfo().getAliasOwner() != aliasManager && start < pathElements.size() - 1) {
if (isSingleValuedAssociationId(result.baseNode, currentPathExpression, start)) {
return result.baseNode.getAliasExpression() + "." + new PathExpression(pathElements.subList(start, pathElements.size()));
}
JoinNode defaultJoin = result.baseNode.getDefaultJoin(pathElements, start - result.fieldCount(), start);
if (defaultJoin == null) {
result = correlate(result, rootAlias, pathElements.get(start), null, false, lateral, implicitCorrelation);
} else {
result = new JoinResult(defaultJoin);
}
start++;
}
result = implicitJoin(result.baseNode, currentPathExpression, null, implicitCorrelation ? JoinType.LEFT : JoinType.INNER, null, new HashSet<String>(), start, pathElements.size() - 1, true, true, true, false);
JoinResult finalNode;
if (pathExpression.isUsedInCollectionFunction()) {
JoinNode current = result.baseNode;
List<String> resultFields = result.fields;
if (result.hasField()) {
resultFields.add(elementExpr.toString());
String attributeName = StringUtils.join(".", resultFields);
finalNode = new JoinResult(current, resultFields, getPathType(current.getNodeType(), attributeName, pathExpression), -1, -1);
} else {
String attributeName = elementExpr.toString();
finalNode = new JoinResult(current, Arrays.asList(attributeName), getPathType(current.getNodeType(), attributeName, pathExpression), -1, -1);
}
} else {
if (result.hasField()) {
start = pathElements.size() - 1 - result.fields.size();
} else {
start = pathElements.size() - 1;
}
if (result.baseNode.getAliasInfo().getAliasOwner() != aliasManager) {
Expression finalExpression;
if (result.hasField()) {
finalExpression = new PathExpression(pathElements.subList(start, pathElements.size()));
} else {
finalExpression = pathElements.get(start);
}
if (isJoinable(result, finalExpression)) {
finalNode = correlate(result, rootAlias, finalExpression, null, true, lateral, implicitCorrelation);
} else {
finalNode = result.withField(((PropertyExpression) finalExpression).getProperty());
}
} else {
finalNode = implicitJoin(result.baseNode, pathExpression, null, implicitCorrelation ? JoinType.LEFT : JoinType.INNER, null, new HashSet<String>(), start, pathElements.size(), true, true, true, false);
}
if (implicitCorrelation) {
rootAlias = finalNode.baseNode.getAliasExpression();
} else {
aliasManager.unregisterAliasInfoForBottomLevel(finalNode.baseNode.getAliasInfo());
finalNode.baseNode.getAliasInfo().setAlias(rootAlias);
aliasManager.registerAliasInfo(finalNode.baseNode.getAliasInfo());
}
}
if (treatEntityType != null) {
treatedCorrelationNodes.add(finalNode.baseNode);
}
if (implicitCorrelation) {
if (finalNode.hasField()) {
rootAlias = finalNode.baseNode.getAliasExpression() + "." + finalNode.joinFields();
}
} else {
finalNode.baseNode.getAliasInfo().setImplicit(false);
explicitJoinNodes.add(finalNode.baseNode);
}
}
if (!treatedCorrelationNodes.isEmpty()) {
rootNode.setJoinNodesNeedingTreatConjunct(treatedCorrelationNodes);
}
return rootAlias;
}
use of com.blazebit.persistence.parser.expression.ArrayExpression in project blaze-persistence by Blazebit.
the class EqualityCheckingVisitor method visit.
@Override
public Boolean visit(ArrayExpression expression) {
if (referenceExpression.getClass() != expression.getClass()) {
return Boolean.TRUE;
}
ArrayExpression reference = (ArrayExpression) referenceExpression;
referenceExpression = reference.getBase();
if (expression.getBase().accept(this)) {
return Boolean.TRUE;
}
referenceExpression = reference.getIndex();
return expression.getIndex().accept(this);
}
use of com.blazebit.persistence.parser.expression.ArrayExpression in project blaze-persistence by Blazebit.
the class AbstractCommonQueryBuilder method joinOnForLateralEmulation.
private JoinOnBuilder<BuilderType> joinOnForLateralEmulation(String correlationPath, String alias, JoinType type) {
Expression expr = expressionFactory.createJoinPathExpression(correlationPath);
JoinNode baseNode = null;
String baseNodeAlias = null;
if (expr instanceof PathExpression) {
PathElementExpression firstElem = ExpressionUtils.getLeftMostPathExpression((PathExpression) expr).getExpressions().get(0);
AliasInfo startAlias;
if (firstElem instanceof ArrayExpression) {
startAlias = null;
} else if (firstElem instanceof PropertyExpression) {
startAlias = aliasManager.getAliasInfo(((PropertyExpression) firstElem).getProperty());
} else {
throw new IllegalArgumentException("Unexpected expression type[" + firstElem.getClass().getSimpleName() + "] in expression: " + correlationPath);
}
if (startAlias instanceof JoinAliasInfo) {
baseNodeAlias = startAlias.getAlias();
baseNode = ((JoinAliasInfo) startAlias).getJoinNode();
}
} else {
throw new IllegalArgumentException("Unexpected expression type[" + expr.getClass().getSimpleName() + "] in expression: " + correlationPath);
}
if (baseNode == null) {
baseNode = getRoot();
}
PathTargetResolvingExpressionVisitor visitor = new PathTargetResolvingExpressionVisitor(getMetamodel(), baseNode.getType(), baseNodeAlias);
expr.accept(visitor);
Map<Attribute<?, ?>, Type<?>> possibleTargets = visitor.getPossibleTargets();
Type<?> t;
if (possibleTargets.size() == 1 && (t = possibleTargets.values().iterator().next()) instanceof EntityType<?>) {
return joinOn((EntityType<?>) t, alias, type);
}
return joinOn(expr, alias, type);
}
use of com.blazebit.persistence.parser.expression.ArrayExpression in project blaze-persistence by Blazebit.
the class PrefixingQueryGenerator method visit.
@Override
public void visit(PathExpression expression) {
final List<PathElementExpression> expressions = expression.getExpressions();
if (expressions.isEmpty()) {
sb.append(prefix);
} else {
final PathElementExpression firstElement = expressions.get(0);
final String firstProperty = firstElement instanceof PropertyExpression ? ((PropertyExpression) firstElement).getProperty() : null;
final int size = expressions.size();
// If we encounter a query alias, we don't prefix
if (!doPrefix || queryAliases.contains(firstProperty)) {
super.visit(expression);
return;
}
// Since the correlated alias will not be a prefix of the subview mapping prefix, we have to replace that properly
if (aliasToReplace != null && aliasToReplace.equals(firstProperty)) {
sb.append(substitute);
for (int i = 1; i < size; i++) {
sb.append(".");
expressions.get(i).accept(this);
}
return;
}
if (firstElement instanceof ArrayExpression && ((ArrayExpression) firstElement).getBase() instanceof EntityLiteral) {
super.visit(expression);
return;
}
// Prefixing will only be done for the inner most path, but not the treat expression
if (!(firstElement instanceof TreatExpression)) {
String expressionString = expression.toString();
// Find out the common prefix
int dotIndex = -1;
int length = Math.min(prefix.length(), expressionString.length());
for (int i = 0; i < length; i++) {
if (prefix.charAt(i) != expressionString.charAt(i)) {
for (; i > 0; i--) {
if (prefix.charAt(i) == '.' && expressionString.charAt(i) == '.') {
dotIndex = i;
break;
}
}
break;
}
}
if (dotIndex != -1 || prefix.isEmpty() || expressionString.length() < prefix.length() && prefix.charAt(expressionString.length()) == '.' && prefix.startsWith(expressionString) || expressionString.length() > prefix.length() && expressionString.charAt(prefix.length()) == '.' && expressionString.startsWith(prefix) || expressionString.equals(prefix)) {
// We only do prefixing if the expressions have a non-common base to avoid prefixing already prefixed expressions
// If both point to an alias, dotIndex will be -1 but then the expressions would have the same length
// If we have a dotIndex, we know there is a common base, so just skip prefixing
} else {
sb.append(prefix);
sb.append('.');
}
}
// Remove the this property
if ("this".equalsIgnoreCase(firstProperty)) {
if (size > 1) {
for (int i = 1; i < size; i++) {
expressions.get(i).accept(this);
}
} else {
sb.setLength(sb.length() - 1);
}
} else {
super.visit(expression);
}
}
}
use of com.blazebit.persistence.parser.expression.ArrayExpression in project blaze-persistence by Blazebit.
the class JoinManager method correlate.
private JoinResult correlate(JoinResult result, String rootAlias, Expression correlatedAttributeExpr, EntityType<?> treatType, boolean finalOperation, boolean lateral, boolean implicitCorrelation) {
AttributeHolder joinResult = JpaUtils.getAttributeForJoining(metamodel, result.baseNode.getNodeType(), correlatedAttributeExpr, null);
Type<?> type = joinResult.getAttributeType();
String correlatedAttribute;
if (correlatedAttributeExpr instanceof ArrayExpression) {
correlatedAttribute = ((ArrayExpression) correlatedAttributeExpr).getBase().toString();
} else {
correlatedAttribute = correlatedAttributeExpr.toString();
}
boolean implicit = implicitCorrelation || !finalOperation;
JoinNode correlationRootNode;
// Lateral roots/joins are special i.e. we push the array index expression into the subquery/cte, so we don't have to handle this here
if ((!(correlatedAttributeExpr instanceof ArrayExpression) || lateral) && (rootNodes.isEmpty() || finalOperation)) {
if (rootAlias == null) {
StringBuilder sb = new StringBuilder(correlatedAttribute);
sb.setCharAt(0, Character.toLowerCase(sb.charAt(0)));
for (int i = 0; i < sb.length(); i++) {
if ('.' == sb.charAt(i)) {
sb.setCharAt(i, '_');
}
}
String alias = sb.toString();
if (metamodel.getEntity(alias) == null && aliasManager.isAliasAvailable(alias)) {
rootAlias = alias;
} else {
rootAlias = aliasManager.generateRootAlias(alias);
}
} else if (!finalOperation) {
rootAlias = rootAlias + "_base";
}
if (metamodel.getEntity(rootAlias) != null || !aliasManager.isAliasAvailable(rootAlias)) {
rootAlias = aliasManager.generateRootAlias(rootAlias);
}
JoinAliasInfo rootAliasInfo = new JoinAliasInfo(rootAlias, rootAlias, implicit, true, aliasManager);
correlationRootNode = JoinNode.createCorrelationRootNode(result.baseNode, correlatedAttribute, joinResult.getAttribute(), type, treatType, rootAliasInfo, lateral);
rootAliasInfo.setJoinNode(correlationRootNode);
rootNodes.add(correlationRootNode);
explicitJoinNodes.add(correlationRootNode);
// register root alias in aliasManager
aliasManager.registerAliasInfo(rootAliasInfo);
} else {
// If there is a root node already, we have to correlate the base entity and join instead
String path;
if (result.baseNode.getAliasInfo() instanceof TreatedJoinAliasInfo) {
path = ((TreatedJoinAliasInfo) result.baseNode.getAliasInfo()).getTreatedJoinNode().getAliasInfo().getAbsolutePath();
} else {
path = result.baseNode.getAliasInfo().getAbsolutePath();
}
String alias = (path + "_" + correlatedAttribute).replace('.', '_') + "_base";
if (!aliasManager.isAliasAvailable(alias)) {
alias = aliasManager.generateRootAlias(alias);
}
String baseAlias = addRoot(result.baseNode.getEntityType(), alias, false);
JoinNode joinNode = ((JoinAliasInfo) aliasManager.getAliasInfo(baseAlias)).getJoinNode();
joinNode.getAliasInfo().setImplicit(true);
Predicate correlationPredicate = expressionFactory.createBooleanExpression(createCorrelationPredicate(result.baseNode.getEntityType(), result.baseNode.getAliasExpression(), baseAlias), false);
correlationPredicate.accept(joinVisitor);
joinNode.setOnPredicate(new CompoundPredicate(CompoundPredicate.BooleanOperator.AND, correlationPredicate));
if (implicit || !(correlatedAttributeExpr instanceof ArrayExpression)) {
PathExpression pathExpression = new PathExpression();
pathExpression.getExpressions().add(new PropertyExpression(baseAlias));
if (correlatedAttributeExpr instanceof PathExpression) {
pathExpression.getExpressions().addAll(((PathExpression) correlatedAttributeExpr).getExpressions());
} else {
pathExpression.getExpressions().add((PathElementExpression) correlatedAttributeExpr);
}
implicitJoin(pathExpression, true, true, true, treatType == null ? null : treatType.getName(), ClauseType.JOIN, null, false, false, true, false);
correlationRootNode = (JoinNode) pathExpression.getBaseNode();
} else {
JoinResult node = createOrUpdateNode(joinNode, Collections.singletonList(correlatedAttribute), treatType == null ? null : treatType.getName(), rootAlias, JoinType.INNER, null, false, false, true, true);
correlationRootNode = node.baseNode;
ArrayExpression arrayExpression = (ArrayExpression) correlatedAttributeExpr;
implicitJoinIndex(arrayExpression);
generateAndApplyOnPredicate(correlationRootNode, arrayExpression);
// In case we introduce a synthetic subquery for the ON clause predicate, we need to replace uses of the outer query with a subquery alias
correlationRootNode.getOnPredicate().accept(new CorrelationReplacementVisitor(result.baseNode, joinNode));
}
}
return new JoinResult(correlationRootNode);
}
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