/// <exception cref="System.Exception" />
public override void Route(SchemaConfig schema, int loop, string sql)
{
for (var i = 0; i < loop; ++i)
{
// SQLLexer lexer = new SQLLexer(sql);
// DmlSelectStatement select = new DmlSelectParser(lexer, new
// SQLExprParser(lexer)).select();
// PartitionKeyVisitor visitor = new
// PartitionKeyVisitor(schema.getTablesSpace());
// select.accept(visitor);
// visitor.getColumnValue();
ServerRouter.Route(schema, sql, null, null);
}
}
/// <exception cref="System.Exception" /> public abstract void Route(SchemaConfig schema, int loop, string sql);
/// <exception cref="System.Exception" />
public override void Route(SchemaConfig schema, int loop, string sql)
{
for (var i = 0; i < loop; ++i)
{
for (var j = 0; j < 128; ++j)
{
var sb = new StringBuilder();
insert.Accept(new MySqlOutputAstVisitor(sb));
sb.ToString();
}
}
}
/// <exception cref="System.Exception" />
public override void Route(SchemaConfig schema, int loop, string sql)
{
for (var i = 0; i < loop; ++i)
{
var lexer = new MySqlLexer(sql);
var insert = new MySqlDmlInsertParser(lexer, new MySqlExprParser(lexer)).Insert();
}
}
/// <exception cref="System.Exception" />
public override void Route(SchemaConfig schema, int loop, string sql)
{
for (var i = 0; i < loop; ++i)
{
var lexer = new MySqlLexer(sql);
var select = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer)).Select();
var visitor = new PartitionKeyVisitor(schema.Tables);
select.Accept(visitor);
}
}
private void LoadSchemas(XmlElement root)
{
var list = root.GetElementsByTagName("schema");
XmlElement schemaElement = null;
IDictionary<string, TableConfig> tables = null;
for (int i = 0, n = list.Count; i < n; i++)
{
schemaElement = (XmlElement)list.Item(i);
var name = schemaElement.GetAttribute("name");
var dataNode = schemaElement.GetAttribute("dataNode");
// 在非空的情况下检查dataNode是否存在
if (dataNode != null && dataNode.Length != 0)
{
CheckDataNodeExists(dataNode);
}
else
{
dataNode = string.Empty;
}
// 确保非空
var group = "default";
if (schemaElement.HasAttribute("group"))
{
group = schemaElement.GetAttribute("group").Trim();
}
tables = LoadTables(schemaElement);
if (schemas.ContainsKey(name))
{
throw new ConfigException("schema " + name + " duplicated!");
}
var keepSqlSchema = false;
if (schemaElement.HasAttribute("keepSqlSchema"))
{
keepSqlSchema = bool.Parse(schemaElement.GetAttribute("keepSqlSchema").Trim());
}
schemas[name] = new SchemaConfig(name, dataNode, group, keepSqlSchema, tables);
}
}