/// <summary>
/// Returns true if this annotation applies to the specified provider.
/// </summary>
internal bool AppliesTo(SqlProvider.ProviderMode provider) {
foreach (SqlProvider.ProviderMode p in providers) {
if (p == provider) {
return true;
}
}
return false;
}
/// <summary>
/// Checks whether the given node is supported on the given server.
/// </summary>
internal static void ThrowIfUnsupported(SqlNode node, SqlNodeAnnotations annotations, SqlProvider.ProviderMode provider) {
// Check to see whether there's at least one SqlServerCompatibilityAnnotation.
if (annotations.HasAnnotationType(typeof(SqlServerCompatibilityAnnotation))) {
Visitor visitor = new Visitor(provider);
visitor.annotations = annotations;
visitor.Visit(node);
// If any messages were recorded, then throw an exception.
if (visitor.reasons.Count > 0) {
throw Error.ExpressionNotSupportedForSqlServerVersion(visitor.reasons);
}
}
}
internal Visitor(SqlFactory sql, SqlProvider.ProviderMode providerMode) {
this.sql = sql;
this.providerMode = providerMode;
this.skipper = new SqlSelectionSkipper(this);
}
internal static SqlNode Convert(SqlNode node, SqlFactory sql, SqlProvider.ProviderMode providerMode) {
return new Visitor(sql, providerMode).Visit(node);
}
internal Visitor(SqlProvider.ProviderMode provider) {
this.provider = provider;
}