public virtual void TestReplace() { var sql = "ReplaCe LOW_PRIORITY intO test.t1 seT t1.id1:=?, id2='123'"; var lexer = new MySqlLexer(sql); var parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); var replace = parser.Replace(); parser.Match(MySqlToken.Eof); Assert.IsNotNull(replace); var output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO test.t1 (t1.id1, id2) VALUES (?, '123')", output); sql = "ReplaCe test.t1 seT t1.id1:=? "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE INTO test.t1 (t1.id1) VALUES (?)", output); sql = "ReplaCe t1 value (123,?) "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE INTO t1 VALUES (123, ?)", output); sql = "ReplaCe LOW_PRIORITY t1 valueS (12e-2), (?)"; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 VALUES (0.12), (?)", output); sql = "ReplaCe LOW_PRIORITY t1 select id from t1"; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 SELECT id FROM t1", output); sql = "ReplaCe delayed t1 select id from t1"; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE DELAYED INTO t1 SELECT id FROM t1", output); sql = "ReplaCe LOW_PRIORITY t1 (select id from t1) "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 SELECT id FROM t1", output); sql = "ReplaCe LOW_PRIORITY t1 (t1.col1) valueS (123),('12''34')"; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 (t1.col1) VALUES (123), ('12\\'34')", output); sql = "ReplaCe LOW_PRIORITY t1 (col1, t1.col2) VALUE (123,'123\\'4') "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 (col1, t1.col2) VALUES (123, '123\\'4')", output); sql = "REPLACE LOW_PRIORITY t1 (col1, t1.col2) select id from t3 "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 (col1, t1.col2) SELECT id FROM t3", output); sql = "replace LOW_PRIORITY intO t1 (col1) ( select id from t3) "; lexer = new MySqlLexer(sql); parser = new MySqlDmlReplaceParser(lexer, new MySqlExprParser(lexer)); replace = parser.Replace(); parser.Match(MySqlToken.Eof); output = Output2MySql(replace, sql); Assert.AreEqual("REPLACE LOW_PRIORITY INTO t1 (col1) SELECT id FROM t3", 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); } }