public virtual Func <QueryContext, TResult> CreateQueryExecutor <TResult>(Expression query)
{
query = _queryOptimizerFactory.Create(this).Visit(query);
// Convert EntityQueryable to ShapedQueryExpression
query = _entityQueryableTranslatorFactory.Create(this).Visit(query);
query = _queryableMethodTranslatingExpressionVisitorFactory.Create(Model).Visit(query);
query = _shapedQueryOptimizerFactory.Create(this).Visit(query);
// Inject actual entity materializer
// Inject tracking
query = _shapedQueryCompilingExpressionVisitorFactory.Create(this).Visit(query);
var queryExecutorExpression = Expression.Lambda <Func <QueryContext, TResult> >(
query,
QueryContextParameter);
try
{
return(queryExecutorExpression.Compile());
}
finally
{
Logger.QueryExecutionPlanned(new ExpressionPrinter(), queryExecutorExpression);
}
}
public virtual Func <QueryContext, TResult> CreateQueryExecutor <TResult>([NotNull] Expression query)
{
Check.NotNull(query, nameof(query));
query = _queryTranslationPreprocessorFactory.Create(this).Process(query);
// Convert EntityQueryable to ShapedQueryExpression
query = _queryableMethodTranslatingExpressionVisitorFactory.Create(Model).Visit(query);
query = _queryTranslationPostprocessorFactory.Create(this).Process(query);
// Inject actual entity materializer
// Inject tracking
query = _shapedQueryCompilingExpressionVisitorFactory.Create(this).Visit(query);
// If any additional parameters were added during the compilation phase (e.g. entity equality ID expression),
// wrap the query with code adding those parameters to the query context
query = InsertRuntimeParameters(query);
var queryExecutorExpression = Expression.Lambda <Func <QueryContext, TResult> >(
query,
QueryContextParameter);
try
{
return(queryExecutorExpression.Compile());
}
finally
{
Logger.QueryExecutionPlanned(new ExpressionPrinter(), queryExecutorExpression);
}
}
public virtual Func <QueryContext, TResult> CreateQueryExecutor <TResult>(Expression query)
{
query = _queryOptimizerFactory.Create(this).Visit(query);
// Convert EntityQueryable to ShapedQueryExpression
query = _entityQueryableTranslatorFactory.Create(this).Visit(query);
query = _queryableMethodTranslatingExpressionVisitorFactory.Create(Model).Visit(query);
query = _shapedQueryOptimizerFactory.Create(this).Visit(query);
// Inject actual entity materializer
// Inject tracking
query = _shapedQueryCompilingExpressionVisitorFactory.Create(this).Visit(query);
return(Expression.Lambda <Func <QueryContext, TResult> >(
query,
QueryContextParameter)
.Compile());
}