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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "attribute_reprocessing_initializer.h"
#include <vespa/searchcore/proton/attribute/attribute_populator.h>
#include <vespa/searchcommon/attribute/attribute_utils.h>
#include <vespa/searchcommon/attribute/config.h>
#include <vespa/searchcore/proton/attribute/document_field_populator.h>
#include <vespa/searchcore/proton/attribute/filter_attribute_manager.h>
#include <vespa/searchcore/proton/common/i_indexschema_inspector.h>
#include <vespa/searchlib/attribute/attributevector.h>
#include <vespa/log/log.h>
LOG_SETUP(".proton.reprocessing.attribute_reprocessing_initializer");
using namespace search::index;
using search::attribute::isUpdateableInMemoryOnly;
using search::AttributeGuard;
using search::AttributeVector;
using search::SerialNum;
using search::attribute::BasicType;
using search::index::schema::DataType;
namespace proton {
using ARIConfig = AttributeReprocessingInitializer::Config;
namespace {
constexpr search::SerialNum ATTRIBUTE_INIT_SERIAL = 1;
const char *
toStr(bool value)
{
return (value ? "true" : "false");
}
FilterAttributeManager::AttributeSet
getAttributeSetToPopulate(const ARIConfig &newCfg,
const ARIConfig &oldCfg,
const IDocumentTypeInspector &inspector,
search::SerialNum serialNum)
{
FilterAttributeManager::AttributeSet attrsToPopulate;
std::vector<AttributeGuard> attrList;
newCfg.getAttrMgr()->getAttributeList(attrList);
for (const auto &guard : attrList) {
const vespalib::string &name = guard->getName();
bool inOldAttrMgr = oldCfg.getAttrMgr()->getAttribute(name)->valid();
bool unchangedField = inspector.hasUnchangedField(name);
search::SerialNum flushedSerialNum = newCfg.getAttrMgr()->getFlushedSerialNum(name);
bool populateAttribute = !inOldAttrMgr && unchangedField && (flushedSerialNum < serialNum);
LOG(debug, "getAttributeSetToPopulate(): name='%s', inOldAttrMgr=%s, unchangedField=%s, populate=%s",
name.c_str(), toStr(inOldAttrMgr), toStr(unchangedField), toStr(populateAttribute));
if (populateAttribute) {
attrsToPopulate.insert(name);
}
}
return attrsToPopulate;
}
IReprocessingReader::SP
getAttributesToPopulate(const ARIConfig &newCfg,
const ARIConfig &oldCfg,
const IDocumentTypeInspector &inspector,
const vespalib::string &subDbName,
search::SerialNum serialNum)
{
FilterAttributeManager::AttributeSet attrsToPopulate =
getAttributeSetToPopulate(newCfg, oldCfg, inspector, serialNum);
if (!attrsToPopulate.empty()) {
return std::make_shared<AttributePopulator>
(std::make_shared<FilterAttributeManager>(attrsToPopulate, newCfg.getAttrMgr()),
ATTRIBUTE_INIT_SERIAL, subDbName, serialNum);
}
return IReprocessingReader::SP();
}
std::vector<IReprocessingRewriter::SP>
getFieldsToPopulate(const ARIConfig &newCfg,
const ARIConfig &oldCfg,
const IDocumentTypeInspector &inspector,
const IIndexschemaInspector &oldIndexschemaInspector,
const vespalib::string &subDbName)
{
std::vector<IReprocessingRewriter::SP> fieldsToPopulate;
std::vector<AttributeGuard> attrList;
oldCfg.getAttrMgr()->getAttributeList(attrList);
for (const auto &guard : attrList) {
const vespalib::string &name = guard->getName();
const auto &attrCfg = guard->getConfig();
bool inNewAttrMgr = newCfg.getAttrMgr()->getAttribute(name)->valid();
bool unchangedField = inspector.hasUnchangedField(name);
// NOTE: If it is a string and index field we shall
// keep the original in order to preserve annotations.
bool wasStringIndexField = oldIndexschemaInspector.isStringIndex(name);
bool populateField = !inNewAttrMgr && unchangedField && !wasStringIndexField &&
isUpdateableInMemoryOnly(name, attrCfg);
LOG(debug, "getFieldsToPopulate(): name='%s', inNewAttrMgr=%s, unchangedField=%s, "
"wasStringIndexField=%s, dataType=%s, populate=%s",
name.c_str(), toStr(inNewAttrMgr), toStr(unchangedField),
toStr(wasStringIndexField),
attrCfg.basicType().asString(),
toStr(populateField));
if (populateField) {
fieldsToPopulate.push_back(std::make_shared<DocumentFieldPopulator>
(name, guard.getSP(), subDbName));
}
}
return fieldsToPopulate;
}
}
AttributeReprocessingInitializer::
AttributeReprocessingInitializer(const Config &newCfg,
const Config &oldCfg,
const IDocumentTypeInspector &inspector,
const IIndexschemaInspector &oldIndexschemaInspector,
const vespalib::string &subDbName,
search::SerialNum serialNum)
: _attrsToPopulate(getAttributesToPopulate(newCfg, oldCfg, inspector, subDbName, serialNum)),
_fieldsToPopulate(getFieldsToPopulate(newCfg, oldCfg, inspector, oldIndexschemaInspector, subDbName))
{
}
bool
AttributeReprocessingInitializer::hasReprocessors() const
{
return _attrsToPopulate.get() != nullptr || !_fieldsToPopulate.empty();
}
void
AttributeReprocessingInitializer::initialize(IReprocessingHandler &handler)
{
if (_attrsToPopulate.get() != nullptr) {
handler.addReader(_attrsToPopulate);
}
if (!_fieldsToPopulate.empty()) {
for (const auto &rewriter : _fieldsToPopulate) {
handler.addRewriter(rewriter);
}
}
}
} // namespace proton
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