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mysql parser

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温少
2012-05-15 20:33:39 +08:00
parent cb5fac206c
commit 2a0a78e8d3
8 changed files with 173 additions and 108 deletions
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src/test/java/com/alibaba/druid/bvt/sql/cobar/DALParserTest.java
+47 -48
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@@ -17,6 +17,8 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowBinLogEventsSt
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.MySqlShowColumnsStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowContributorsStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowMasterLogsStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.parser.Token;
@@ -290,57 +292,54 @@ public class DALParserTest extends TestCase {
Assert.assertEquals("SHOW CHARACTER SET", output);
}
public void test_show_columns() throws Exception {
String sql = "SHOW full columns from tb1 from db1 like 'var' ";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowColumnsStatement show = (MySqlShowColumnsStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW FULL COLUMNS FROM db1.tb1 LIKE 'var'", output);
}
public void test_show_columns_1() throws Exception {
String sql = "show columns from events where Field = 'name'";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowColumnsStatement show = (MySqlShowColumnsStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW COLUMNS FROM events WHERE Field = 'name'", output);
}
public void test_show_columns_2() throws Exception {
String sql = "SHOW COLUMNS FROM City";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowColumnsStatement show = (MySqlShowColumnsStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW COLUMNS FROM City", output);
}
public void test_show_columns_3() throws Exception {
String sql = "SHOW full columns from db1.tb1 like 'var' ";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowColumnsStatement show = (MySqlShowColumnsStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW FULL COLUMNS FROM db1.tb1 LIKE 'var'", output);
}
public void test_show_contributors() throws Exception {
String sql = "SHOW contributors";
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlShowContributorsStatement show = (MySqlShowContributorsStatement) parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(show);
Assert.assertEquals("SHOW CONTRIBUTORS", output);
}
//
// public void testShow() throws Exception {
//
// sql = "SHOW full columns from tb1 from db1 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 FULL COLUMNS FROM db1.tb1 LIKE 'var'", output);
//
// sql = "SHOW full columns from tb1 from db1 where count(col)>10 ";
// 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 FULL COLUMNS FROM db1.tb1 WHERE COUNT(col) > 10", output);
//
// sql = "SHOW columns from tb1 from db1 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 COLUMNS FROM db1.tb1 LIKE 'var'", output);
//
// sql = "SHOW columns from tb1 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 COLUMNS FROM tb1 LIKE 'var'", output);
//
// sql = "SHOW full columns from tb1 from db1 ";
// 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 FULL COLUMNS FROM db1.tb1", output);
//
// sql = "SHOW contributors ";
// 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 CONTRIBUTORS", output);
//
// sql = "SHOW CREATE DATABASE db_name ";
// lexer = new SQLLexer(sql);
// parser = new DALParser(lexer, new SQLExprParser(lexer));