public void Visit(SchemaFromNode node)
{
var schema = _provider.GetSchema(node.Schema);
ISchemaTable table;
if (_currentScope.Name != "Desc")
{
table = schema.GetTableByName(node.Method, _schemaFromArgs.ToArray());
}
else
{
table = new DynamicTable(new ISchemaColumn[0]);
}
_schemaFromArgs.Clear();
AddAssembly(schema.GetType().Assembly);
_queryAlias = StringHelpers.CreateAliasIfEmpty(node.Alias, _generatedAliases);
_generatedAliases.Add(_queryAlias);
var tableSymbol = new TableSymbol(_queryAlias, schema, table, !string.IsNullOrEmpty(node.Alias));
_currentScope.ScopeSymbolTable.AddSymbol(_queryAlias, tableSymbol);
_currentScope[node.Id] = _queryAlias;
Nodes.Push(new SchemaFromNode(node.Schema, node.Method, (ArgsListNode)Nodes.Pop(), _queryAlias));
}
public void Visit(AliasedFromNode node)
{
var schemaInfo = _explicitlyUsedAliases[node.Identifier];
var tableName = _explicitlyCoupledTablesWithAliases[node.Identifier];
var table = _explicitlyDefinedTables[tableName];
var schema = _provider.GetSchema(schemaInfo.Schema);
AddAssembly(schema.GetType().Assembly);
_queryAlias = StringHelpers.CreateAliasIfEmpty(node.Alias, _generatedAliases);
_generatedAliases.Add(_queryAlias);
var tableSymbol = new TableSymbol(_queryAlias, schema, table, !string.IsNullOrEmpty(node.Alias));
_currentScope.ScopeSymbolTable.AddSymbol(_queryAlias, tableSymbol);
_currentScope[node.Id] = _queryAlias;
var aliasedSchemaFromNode = new SchemaFromNode(schemaInfo.Schema, schemaInfo.Method, node.Args, _queryAlias);
if (!InferredColumns.ContainsKey(aliasedSchemaFromNode))
{
InferredColumns.Add(aliasedSchemaFromNode, table.Columns);
}
Nodes.Push(aliasedSchemaFromNode);
}
public void Visit(SchemaFromNode node)
{
SetQueryPart(QueryPart.From);
node.Parameters.Accept(this);
node.Accept(_visitor);
}
public virtual void Visit(SchemaFromNode node)
{
node.Parameters.Accept(this);
node.Accept(Visitor);
}
public void Visit(SchemaFromNode node)
{
Nodes.Push(new SchemaFromNode(node.Schema, node.Method, (ArgsListNode)Nodes.Pop(), node.Alias));
}
public void Visit(SchemaFromNode node)
{
}
public override void Visit(SchemaFromNode node)
{
Visitor.SetQueryPart(QueryPart.From);
base.Visit(node);
Visitor.SetQueryPart(QueryPart.None);
}
