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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.processing;
import com.yahoo.config.application.api.DeployLogger;
import com.yahoo.schema.RankProfileRegistry;
import com.yahoo.document.NumericDataType;
import com.yahoo.schema.document.SDField;
import com.yahoo.schema.Index;
import com.yahoo.schema.Schema;
import com.yahoo.vespa.indexinglanguage.ExpressionConverter;
import com.yahoo.vespa.indexinglanguage.ExpressionVisitor;
import com.yahoo.vespa.indexinglanguage.expressions.AttributeExpression;
import com.yahoo.vespa.indexinglanguage.expressions.Expression;
import com.yahoo.vespa.indexinglanguage.expressions.IndexExpression;
import com.yahoo.vespa.indexinglanguage.expressions.ScriptExpression;
import com.yahoo.vespa.model.container.search.QueryProfiles;
import java.util.HashSet;
import java.util.Set;
/**
* Replaces the 'index' statement of all numerical fields to 'attribute' because we no longer support numerical indexes.
*
* @author baldersheim
*/
public class IntegerIndex2Attribute extends Processor {
public IntegerIndex2Attribute(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
super(schema, deployLogger, rankProfileRegistry, queryProfiles);
}
@Override
public void process(boolean validate, boolean documentsOnly) {
for (SDField field : schema.allConcreteFields()) {
if (field.doesIndexing() && field.getDataType().getPrimitiveType() instanceof NumericDataType) {
if (field.getIndex(field.getName()) != null
&& ! (field.getIndex(field.getName()).getType().equals(Index.Type.VESPA))) continue;
ScriptExpression script = field.getIndexingScript();
Set<String> attributeNames = new HashSet<>();
new MyVisitor(attributeNames).visit(script);
field.setIndexingScript(schema.getName(), (ScriptExpression)new MyConverter(attributeNames).convert(script));
warn(schema, field, "Changed to attribute because numerical indexes (field has type " +
field.getDataType().getName() + ") is not currently supported." +
" Index-only settings may fail. Ignore this warning for streaming search.");
}
}
}
private static class MyVisitor extends ExpressionVisitor {
final Set<String> attributeNames;
public MyVisitor(Set<String> attributeNames) {
this.attributeNames = attributeNames;
}
@Override
protected void doVisit(Expression exp) {
if (exp instanceof AttributeExpression) {
attributeNames.add(((AttributeExpression)exp).getFieldName());
}
}
}
private static class MyConverter extends ExpressionConverter {
final Set<String> attributeNames;
public MyConverter(Set<String> attributeNames) {
this.attributeNames = attributeNames;
}
@Override
protected boolean shouldConvert(Expression exp) {
return exp instanceof IndexExpression;
}
@Override
protected Expression doConvert(Expression exp) {
String indexName = ((IndexExpression)exp).getFieldName();
if (attributeNames.contains(indexName)) {
return null;
}
return new AttributeExpression(indexName);
}
}
}
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