public virtual void TestUpdate() { var sql = "upDate LOw_PRIORITY IGNORE test.t1 sEt t1.col1=?, col2=DefaulT"; var lexer = new MySqlLexer(sql); var parser = new MySqlDmlUpdateParser(lexer, new MySqlExprParser(lexer)); var update = parser.Update(); var output = Output2MySql(update, sql); Assert.IsNotNull(update); Assert.AreEqual("UPDATE LOW_PRIORITY IGNORE test.t1 SET t1.col1 = ?, col2 = DEFAULT", output); sql = "upDate IGNORE (t1) set col2=DefaulT order bY t1.col2 "; lexer = new MySqlLexer(sql); parser = new MySqlDmlUpdateParser(lexer, new MySqlExprParser(lexer)); update = parser.Update(); output = Output2MySql(update, sql); Assert.AreEqual("UPDATE IGNORE t1 SET col2 = DEFAULT ORDER BY t1.col2", output); sql = "upDate (test.t1) SET col2=DefaulT order bY t1.col2 limit ? offset 1"; lexer = new MySqlLexer(sql); parser = new MySqlDmlUpdateParser(lexer, new MySqlExprParser(lexer)); update = parser.Update(); output = Output2MySql(update, sql); Assert.AreEqual("UPDATE test.t1 SET col2 = DEFAULT ORDER BY t1.col2 LIMIT 1, ?", output); sql = "upDate LOW_PRIORITY t1, test.t2 SET col2=DefaulT , col2='123''4'"; lexer = new MySqlLexer(sql); parser = new MySqlDmlUpdateParser(lexer, new MySqlExprParser(lexer)); update = parser.Update(); output = Output2MySql(update, sql); Assert.AreEqual("UPDATE LOW_PRIORITY t1, test.t2 SET col2 = DEFAULT, col2 = '123\\'4'", output); sql = "upDate LOW_PRIORITY t1, test.t2 SET col2:=DefaulT , col2='123''4' where id='a'"; lexer = new MySqlLexer(sql); parser = new MySqlDmlUpdateParser(lexer, new MySqlExprParser(lexer)); update = parser.Update(); output = Output2MySql(update, sql); Assert.AreEqual("UPDATE LOW_PRIORITY t1, test.t2 SET col2 = DEFAULT, col2 = '123\\'4' WHERE id = 'a'", output); }
/// <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); } }