// effects: Generates views for the particular cellgroup in this. Returns an
// error log describing the errors that were encountered (if none
// were encountered, the ErrorLog.Count is 0). Places the generated
// views in result
internal ErrorLog GenerateAllBidirectionalViews(ViewSet views, CqlIdentifiers identifiers)
{
// Allow missing attributes for now to make entity splitting run through
// we cannot do this for query views in general: need to obtain the exact enumerated domain
if (m_config.IsNormalTracing)
{
StringBuilder builder = new StringBuilder();
Cell.CellsToBuilder(builder, m_cellGroup);
Helpers.StringTraceLine(builder.ToString());
}
m_config.SetTimeForFinishedActivity(PerfType.CellCreation);
// Check if the cellgroup is consistent and all known S constraints are
// satisified by the known C constraints
CellGroupValidator validator = new CellGroupValidator(m_cellGroup, m_config);
ErrorLog errorLog = validator.Validate();
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return(errorLog);
}
m_config.SetTimeForFinishedActivity(PerfType.KeyConstraint);
// We generate update views first since they perform the main
// validation checks
if (m_config.GenerateUpdateViews)
{
errorLog = GenerateDirectionalViews(ViewTarget.UpdateView, identifiers, views);
if (errorLog.Count > 0)
{
return(errorLog); // If we have discovered errors here, do not generate query views
}
}
// Make sure that the foreign key constraints are not violated
if (m_config.IsValidationEnabled)
{
CheckForeignKeyConstraints(errorLog);
}
m_config.SetTimeForFinishedActivity(PerfType.ForeignConstraint);
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return(errorLog); // If we have discovered errors here, do not generate query views
}
// Query views - do not allow missing attributes
// For the S-side, we add NOT ... for each scalar constant so
// that if we have C, P in the mapping but the store has C, P, S,
// we can handle it in the query views
m_updateDomainMap.ExpandDomainsToIncludeAllPossibleValues();
errorLog = GenerateDirectionalViews(ViewTarget.QueryView, identifiers, views);
return(errorLog);
}
internal ErrorLog GenerateQueryViewForSingleExtent(ViewSet views, CqlIdentifiers identifiers, EntitySetBase entity, EntityTypeBase type, ViewGenMode mode)
{
Debug.Assert(mode != ViewGenMode.GenerateAllViews);
if (m_config.IsNormalTracing)
{
StringBuilder builder = new StringBuilder();
Cell.CellsToBuilder(builder, m_cellGroup);
Helpers.StringTraceLine(builder.ToString());
}
// Check if the cellgroup is consistent and all known S constraints are
// satisified by the known C constraints
CellGroupValidator validator = new CellGroupValidator(m_cellGroup, m_config);
ErrorLog errorLog = validator.Validate();
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return(errorLog);
}
// Make sure that the foreign key constraints are not violated
if (m_config.IsValidationEnabled)
{
CheckForeignKeyConstraints(errorLog);
}
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return(errorLog); // If we have discovered errors here, do not generate query views
}
// For the S-side, we add NOT ... for each scalar constant so
// that if we have C, P in the mapping but the store has C, P, S,
// we can handle it in the query views
m_updateDomainMap.ExpandDomainsToIncludeAllPossibleValues();
foreach (Cell cell in m_cellGroup)
{
cell.SQuery.WhereClause.FixDomainMap(m_updateDomainMap);
}
errorLog = GenerateQueryViewForExtentAndType(m_entityContainerMapping, identifiers, views, entity, type, mode);
return(errorLog);
}
internal ErrorLog GenerateQueryViewForSingleExtent(
ViewSet views, CqlIdentifiers identifiers, EntitySetBase entity, EntityTypeBase type, ViewGenMode mode)
{
Debug.Assert(mode != ViewGenMode.GenerateAllViews);
if (m_config.IsNormalTracing)
{
var builder = new StringBuilder();
Cell.CellsToBuilder(builder, m_cellGroup);
Helpers.StringTraceLine(builder.ToString());
}
// Check if the cellgroup is consistent and all known S constraints are
// satisified by the known C constraints
var validator = new CellGroupValidator(m_cellGroup, m_config);
var errorLog = validator.Validate();
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return errorLog;
}
// Make sure that the foreign key constraints are not violated
if (m_config.IsValidationEnabled)
{
CheckForeignKeyConstraints(errorLog);
}
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return errorLog; // If we have discovered errors here, do not generate query views
}
// For the S-side, we add NOT ... for each scalar constant so
// that if we have C, P in the mapping but the store has C, P, S,
// we can handle it in the query views
m_updateDomainMap.ExpandDomainsToIncludeAllPossibleValues();
foreach (var cell in m_cellGroup)
{
cell.SQuery.WhereClause.FixDomainMap(m_updateDomainMap);
}
errorLog = GenerateQueryViewForExtentAndType(identifiers, views, entity, type, mode);
return errorLog;
}
// effects: Generates views for the particular cellgroup in this. Returns an
// error log describing the errors that were encountered (if none
// were encountered, the ErrorLog.Count is 0). Places the generated
// views in result
internal ErrorLog GenerateAllBidirectionalViews(ViewSet views, CqlIdentifiers identifiers)
{
// Allow missing attributes for now to make entity splitting run through
// we cannot do this for query views in general: need to obtain the exact enumerated domain
if (m_config.IsNormalTracing)
{
var builder = new StringBuilder();
Cell.CellsToBuilder(builder, m_cellGroup);
Helpers.StringTraceLine(builder.ToString());
}
m_config.SetTimeForFinishedActivity(PerfType.CellCreation);
// Check if the cellgroup is consistent and all known S constraints are
// satisified by the known C constraints
var validator = new CellGroupValidator(m_cellGroup, m_config);
var errorLog = validator.Validate();
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return errorLog;
}
m_config.SetTimeForFinishedActivity(PerfType.KeyConstraint);
// We generate update views first since they perform the main
// validation checks
if (m_config.GenerateUpdateViews)
{
errorLog = GenerateDirectionalViews(ViewTarget.UpdateView, identifiers, views);
if (errorLog.Count > 0)
{
return errorLog; // If we have discovered errors here, do not generate query views
}
}
// Make sure that the foreign key constraints are not violated
if (m_config.IsValidationEnabled)
{
CheckForeignKeyConstraints(errorLog);
}
m_config.SetTimeForFinishedActivity(PerfType.ForeignConstraint);
if (errorLog.Count > 0)
{
errorLog.PrintTrace();
return errorLog; // If we have discovered errors here, do not generate query views
}
// Query views - do not allow missing attributes
// For the S-side, we add NOT ... for each scalar constant so
// that if we have C, P in the mapping but the store has C, P, S,
// we can handle it in the query views
m_updateDomainMap.ExpandDomainsToIncludeAllPossibleValues();
errorLog = GenerateDirectionalViews(ViewTarget.QueryView, identifiers, views);
return errorLog;
}