/// <exception cref="System.SqlSyntaxErrorException" />
public static void InitRouteRule(ISchemaLoader loader)
{
var functions = loader.Functions;
var functionManager = new MySqlFunctionManager(true);
BuildFuncManager(functionManager, functions);
foreach (var conf in loader.RuleConfigList)
{
var algorithmString = conf.Algorithm;
var lexer = new MySqlLexer(algorithmString);
var parser = new MySqlExprParser(lexer, functionManager, false, MySqlParser.DefaultCharset);
var expression = parser.Expression();
if (lexer.Token() != MySqlToken.Eof)
{
throw new ConfigException("route algorithm not end with EOF: " + algorithmString);
}
IRuleAlgorithm algorithm;
if (expression is IRuleAlgorithm)
{
algorithm = (IRuleAlgorithm)expression;
}
else
{
algorithm = new ExpressionAdapter(expression);
}
conf.RuleAlgorithm = algorithm;
}
}
//[Test]
//public virtual void TestMain()
//{
// Main(null);
// Assert.IsTrue(true);
//}
/// <exception cref="System.Exception" />
public static void Main(string[] ars)
{
var sql = Performance.SqlBenchmarkSelect;
for (var i = 0; i < 3; ++i)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
// System.out.println(stmt);
Thread.Sleep(1000);
long loop = 300 * 10000;
var t1 = Runtime.CurrentTimeMillis();
t1 = Runtime.CurrentTimeMillis();
for (long i_1 = 0; i_1 < loop; ++i_1)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
var t2 = Runtime.CurrentTimeMillis();
Console.Out.WriteLine((t2 - t1) * 1000.0d / loop + " us");
}
public MySqlDmlInsertParser(MySqlLexer lexer, MySqlExprParser exprParser)
: base(lexer, exprParser)
{
}
public MySqlDmlUpdateParser(MySqlLexer lexer, MySqlExprParser exprParser)
: base(lexer, exprParser)
{
}
public MySqlDmlParser(MySqlLexer lexer, MySqlExprParser exprParser)
: base(lexer)
{
this.exprParser = exprParser;
}
public MySqlDmlSelectParser(MySqlLexer lexer, MySqlExprParser exprParser)
: base(lexer, exprParser)
{
this.exprParser.SetSelectParser(this);
}
public MySqlDmlReplaceParser(MySqlLexer lexer, MySqlExprParser exprParser)
: base(lexer, exprParser)
{
}
/// <exception cref="System.SqlSyntaxErrorException" />
public static ISqlStatement Parse(string sql, MySqlLexer lexer, string charset)
{
try
{
ISqlStatement stmt = null;
var isEof = true;
var exprParser = new MySqlExprParser(lexer, charset);
switch (lexer.Token())
{
case MySqlToken.KwDesc:
case MySqlToken.KwDescribe:
{
stmt = new MySqlDalParser(lexer, exprParser).Desc();
goto stmtSwitch_break;
}
case MySqlToken.KwSelect:
case MySqlToken.PuncLeftParen:
{
stmt = new MySqlDmlSelectParser(lexer, exprParser).SelectUnion();
goto stmtSwitch_break;
}
case MySqlToken.KwDelete:
{
stmt = new MySqlDmlDeleteParser(lexer, exprParser).Delete();
goto stmtSwitch_break;
}
case MySqlToken.KwInsert:
{
stmt = new MySqlDmlInsertParser(lexer, exprParser).Insert();
goto stmtSwitch_break;
}
case MySqlToken.KwReplace:
{
stmt = new MySqlDmlReplaceParser(lexer, exprParser).Replace();
goto stmtSwitch_break;
}
case MySqlToken.KwUpdate:
{
stmt = new MySqlDmlUpdateParser(lexer, exprParser).Update();
goto stmtSwitch_break;
}
case MySqlToken.KwCall:
{
stmt = new MySqlDmlCallParser(lexer, exprParser).Call();
goto stmtSwitch_break;
}
case MySqlToken.KwSet:
{
stmt = new MySqlDalParser(lexer, exprParser).Set();
goto stmtSwitch_break;
}
case MySqlToken.KwShow:
{
stmt = new MySqlDalParser(lexer, exprParser).Show();
goto stmtSwitch_break;
}
case MySqlToken.KwAlter:
case MySqlToken.KwCreate:
case MySqlToken.KwDrop:
case MySqlToken.KwRename:
{
stmt = new MySqlDdlParser(lexer, exprParser).DdlStmt();
isEof = IsEOFedDdl(stmt);
goto stmtSwitch_break;
}
case MySqlToken.KwRelease:
{
stmt = new MySqlMtsParser(lexer).Release();
goto stmtSwitch_break;
}
case MySqlToken.Identifier:
{
var si = SpecialIdentifier.None;
if ((si = SpecialIdentifiers[lexer.GetStringValueUppercase()]) != SpecialIdentifier.None)
{
switch (si)
{
case SpecialIdentifier.Truncate:
{
stmt = new MySqlDdlParser(lexer, exprParser).Truncate();
goto stmtSwitch_break;
}
case SpecialIdentifier.Savepoint:
{
stmt = new MySqlMtsParser(lexer).Savepoint();
goto stmtSwitch_break;
}
case SpecialIdentifier.Rollback:
{
stmt = new MySqlMtsParser(lexer).Rollback();
goto stmtSwitch_break;
}
}
}
goto default;
}
default:
{
throw new SqlSyntaxErrorException("sql is not a supported statement");
}
}
stmtSwitch_break:
;
if (isEof)
{
while (lexer.Token() == MySqlToken.PuncSemicolon)
{
lexer.NextToken();
}
if (lexer.Token() != MySqlToken.Eof)
{
throw new SqlSyntaxErrorException("Sql syntax error!");
}
}
return(stmt);
}
catch (Exception e)
{
throw new SqlSyntaxErrorException(BuildErrorMsg(e, lexer, sql), e);
}
}
