mysql enhance

This commit is contained in:
温少
2012-05-15 20:15:58 +08:00
parent a53c1b3554
commit cb5fac206c
7 changed files with 142 additions and 32 deletions
@@ -15,6 +15,7 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetTransactionIsol
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowAuthorsStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowBinLogEventsStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowBinaryLogsStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCharacterSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowCollationStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
@@ -224,6 +225,15 @@ public class DALParserTest extends TestCase {
Assert.assertEquals("SHOW COLLATION WHERE `Default` = 'Yes'", output);
}
public void test_show_collation_3() throws Exception {
String sql = "SHOW collation where Collation like 'big5%'";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowCollationStatement show = (MySqlShowCollationStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW COLLATION WHERE Collation LIKE 'big5%'", output);
}
public void test_binaryLog() throws Exception {
String sql = "SHOW binlog events in 'a' from 1 limit 1,2 ";
MySqlStatementParser parser = new MySqlStatementParser(sql);
@@ -251,41 +261,38 @@ public class DALParserTest extends TestCase {
Assert.assertEquals("SHOW BINLOG EVENTS", output);
}
public void test_show_character_set() throws Exception {
String sql = "SHOW CHARACTER SET like 'var' ";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowCharacterSetStatement show = (MySqlShowCharacterSetStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW CHARACTER SET LIKE 'var'", output);
}
public void test_show_character_set_1() throws Exception {
String sql = "SHOW CHARACTER SET where Charset = 'big5'";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowCharacterSetStatement show = (MySqlShowCharacterSetStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW CHARACTER SET WHERE Charset = 'big5'", output);
}
public void test_show_character_set_2() throws Exception {
String sql = "SHOW CHARACTER SET";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowCharacterSetStatement show = (MySqlShowCharacterSetStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW CHARACTER SET", output);
}
//
// public void testShow() throws Exception {
//
// sql = "SHOW CHARACTER SET like 'var' ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));
// show = (DALShowStatement) parser.show();
// parser.match(Token.EOF);
// output = output2MySQL(show, sql);
// Assert.assertEquals("SHOW CHARACTER SET LIKE 'var'", output);
//
// sql = "SHOW CHARACTER SET where (select a from tb)in(a) ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));
// show = (DALShowStatement) parser.show();
// parser.match(Token.EOF);
// output = output2MySQL(show, sql);
// Assert.assertEquals("SHOW CHARACTER SET WHERE (SELECT a FROM tb) IN (a)", output);
//
// sql = "SHOW CHARACTER SET ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));
// show = (DALShowStatement) parser.show();
// parser.match(Token.EOF);
// output = output2MySQL(show, sql);
// Assert.assertEquals("SHOW CHARACTER SET", output);
//
// sql = "SHOW collation where avg((select * from (tb1,tb2)))!=100 ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));
// show = (DALShowStatement) parser.show();
// parser.match(Token.EOF);
// output = output2MySQL(show, sql);
// Assert.assertEquals("SHOW COLLATION WHERE AVG(SELECT * FROM tb1, tb2) != 100", output);
//
// sql = "SHOW full columns from tb1 from db1 like 'var' ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));