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mysql parser refactor

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温少
2012-05-16 16:13:50 +08:00
parent c630a6b97b
commit 4b0b51656e
14 changed files with 533 additions and 198 deletions
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src/test/java/com/alibaba/druid/bvt/sql/cobar/DDLParserTest.java
+135 -106
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@@ -25,7 +25,7 @@ public class DDLParserTest extends TestCase {
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("TRUNCATE TABLE tb1", output);
}
public void testTruncate_1() throws Exception {
String sql = "Truncate tb1";
MySqlStatementParser parser = new MySqlStatementParser(sql);
@@ -34,116 +34,145 @@ public class DDLParserTest extends TestCase {
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("TRUNCATE TABLE tb1", output);
}
public void testAlterTable0() throws Exception {
public void testAlterTable_0() throws Exception {
String sql = "alTer ignore table tb_name";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER ignore table tb_name", output);
Assert.assertEquals("ALTER IGNORE TABLE tb_name", output);
}
// public void testDDLStmt() throws Exception {
// String sql = "alTer ignore table tb_name";
// SQLLexer lexer = new SQLLexer(sql);
// DDLParser parser = new DDLParser(lexer, new SQLExprParser(lexer));
// DDLStatement dst = parser.ddlStmt();
//
// sql = "alTeR table tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate temporary tabLe if not exists tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate tabLe if not exists tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate temporary tabLe tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate unique index index_name on tb(col(id)) desc";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate fulltext index index_name on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate spatial index index_name on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate index index_name using hash on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "drop index index_name on tb1";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// String output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP INDEX index_name ON tb1", output);
//
// sql = "drop temporary tabLe if exists tb1,tb2,tb3 restrict";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1, tb2, tb3 RESTRICT", output);
//
// sql = "drop temporary tabLe if exists tb1,tb2,tb3 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1, tb2, tb3 CASCADE", output);
//
// sql = "drop temporary tabLe if exists tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1 CASCADE", output);
//
// sql = "drop tabLe if exists tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TABLE IF EXISTS tb1 CASCADE", output);
//
// sql = "drop temporary tabLe tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE tb1 CASCADE", output);
//
// sql = "rename table tb1 to ntb1,tb2 to ntb2";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("RENAME TABLE tb1 TO ntb1, tb2 TO ntb2", output);
//
// sql = "rename table tb1 to ntb1";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("RENAME TABLE tb1 TO ntb1", output);
// }
public void testAlterTable_1() throws Exception {
String sql = "alTer table tb_name";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER TABLE tb_name", output);
}
public void testAlterTable_2() throws Exception {
String sql = "ALTER TABLE `test`.`tb1` ADD COLUMN `name` VARCHAR(45) NULL AFTER `fid` ;";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
"\n\tADD COLUMN `name` VARCHAR(45) NULL AFTER `fid`", output);
}
public void testAlterTable_3() throws Exception {
String sql = "ALTER TABLE `test`.`tb1` DROP COLUMN `name` ;";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER TABLE `test`.`tb1`" + //
"\n\tDROP COLUMN `name`", output);
}
// public void testDDLStmt() throws Exception {
// String sql = "alTer ignore table tb_name";
// SQLLexer lexer = new SQLLexer(sql);
// DDLParser parser = new DDLParser(lexer, new SQLExprParser(lexer));
// DDLStatement dst = parser.ddlStmt();
//
// sql = "alTeR table tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate temporary tabLe if not exists tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate tabLe if not exists tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate temporary tabLe tb_name";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate unique index index_name on tb(col(id)) desc";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate fulltext index index_name on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate spatial index index_name on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "crEate index index_name using hash on tb(col(id))";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
//
// sql = "drop index index_name on tb1";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// String output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP INDEX index_name ON tb1", output);
//
// sql = "drop temporary tabLe if exists tb1,tb2,tb3 restrict";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1, tb2, tb3 RESTRICT", output);
//
// sql = "drop temporary tabLe if exists tb1,tb2,tb3 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1, tb2, tb3 CASCADE", output);
//
// sql = "drop temporary tabLe if exists tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE IF EXISTS tb1 CASCADE", output);
//
// sql = "drop tabLe if exists tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TABLE IF EXISTS tb1 CASCADE", output);
//
// sql = "drop temporary tabLe tb1 cascade";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("DROP TEMPORARY TABLE tb1 CASCADE", output);
//
// sql = "rename table tb1 to ntb1,tb2 to ntb2";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("RENAME TABLE tb1 TO ntb1, tb2 TO ntb2", output);
//
// sql = "rename table tb1 to ntb1";
// lexer = new SQLLexer(sql);
// parser = new DDLParser(lexer, new SQLExprParser(lexer));
// dst = parser.ddlStmt();
// output = output2MySQL(dst, sql);
// Assert.assertEquals("RENAME TABLE tb1 TO ntb1", output);
// }
}