public void test_0() throws Exception { String sql = "SELECT 1--1 from t where id = 1"; MySqlStatementParser parser = new MySqlStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement stmt = statementList.get(0); SQLSelectStatement selectStmt = (SQLSelectStatement) stmt; SQLSelect select = selectStmt.getSelect(); Assert.assertNotNull(select.getQuery()); MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery(); Assert.assertNull(queryBlock.getOrderBy()); // print(statementList); Assert.assertEquals(1, statementList.size()); MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); stmt.accept(visitor); Assert.assertEquals(1, visitor.getTables().size()); Assert.assertEquals(1, visitor.getColumns().size()); Assert.assertEquals(1, visitor.getConditions().size()); Assert.assertEquals(0, visitor.getOrderByColumns().size()); Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t"))); String output = SQLUtils.toMySqlString(stmt); Assert.assertEquals( "SELECT 1 - -1" // + "\nFROM t" // + "\nWHERE id = 1", // output); }
public void test_0() throws Exception { String sql = "SELECT * FROM t_department WHERE name IN ('0000','4444') ORDER BY name ASC"; MySqlStatementParser parser = new MySqlStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement stmt = statementList.get(0); SQLSelectStatement selectStmt = (SQLSelectStatement) stmt; SQLSelect select = selectStmt.getSelect(); Assert.assertNotNull(select.getQuery()); MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery(); Assert.assertNotNull(queryBlock.getOrderBy()); // print(statementList); Assert.assertEquals(1, statementList.size()); MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); stmt.accept(visitor); Assert.assertEquals(1, visitor.getTables().size()); Assert.assertEquals(2, visitor.getColumns().size()); Assert.assertEquals(1, visitor.getConditions().size()); Assert.assertEquals(1, visitor.getOrderByColumns().size()); Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_department"))); }
public void test_0() throws Exception { String sql = "SELECT `group`.* FROM `group` WHERE (group.group_id=159754)"; MySqlStatementParser parser = new MySqlStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement stmt = statementList.get(0); SQLSelectStatement selectStmt = (SQLSelectStatement) stmt; SQLSelect select = selectStmt.getSelect(); Assert.assertNotNull(select.getQuery()); MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery(); Assert.assertNull(queryBlock.getOrderBy()); print(statementList); Assert.assertEquals(1, statementList.size()); MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); stmt.accept(visitor); Assert.assertEquals(1, visitor.getTables().size()); Assert.assertEquals(2, visitor.getColumns().size()); Assert.assertEquals(1, visitor.getConditions().size()); Assert.assertEquals(0, visitor.getOrderByColumns().size()); Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("group"))); }
public void test_leftJoin() throws Exception { String sql = "SELECT host.id as id" // + ", host.item_id as itemId" // + ", host.node_id as nodeId" // + ", host.node_type as nodeType" // + ", host.begin_time as beginTime" // + ", host.end_time as endTime" // + ", host.gmt_create as gmtCreate" // + ", host.gmt_modify as gmtModify" // + ", host.reason as reason" // + ", host.creator_id as creatorId" // + ", host.modifier_id as modifierId" // + ", user.name as creator" // + ", user.name as modifier" // + ", user.nick_name as nickName " // + " FROM notice_close_node host left join sys_user user on user.id = host.modifier_id"; TeradataStatementParser parser = new TeradataStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement statemen = statementList.get(0); print(statementList); Assert.assertEquals(1, statementList.size()); { SQLSelectStatement selectStmt = (SQLSelectStatement) statemen; SQLSelect selectSQL = selectStmt.getSelect(); TeradataSelectQueryBlock queryBlock = (TeradataSelectQueryBlock) selectSQL.getQuery(); Assert.assertTrue(queryBlock.getFrom() instanceof SQLJoinTableSource); SQLJoinTableSource joinSource = (SQLJoinTableSource) queryBlock.getFrom(); Assert.assertEquals(joinSource.getJoinType().toString(), "LEFT_OUTER_JOIN"); Assert.assertEquals(joinSource.getLeft().toString(), "notice_close_node"); Assert.assertEquals(joinSource.getRight().toString(), "sys_user"); Assert.assertNotNull(joinSource.getCondition()); } TeradataSchemaStatVisitor visitor = new TeradataSchemaStatVisitor(); statemen.accept(visitor); System.out.println("Tables : " + visitor.getTables()); System.out.println("fields : " + visitor.getColumns()); System.out.println("coditions : " + visitor.getConditions()); System.out.println("orderBy : " + visitor.getOrderByColumns()); Assert.assertEquals(2, visitor.getTables().size()); Assert.assertEquals(15, visitor.getColumns().size()); Assert.assertEquals(2, visitor.getConditions().size()); Assert.assertTrue(visitor.getColumns().contains(new Column("sys_user", "id"))); Assert.assertTrue( visitor.getColumns().contains(new Column("notice_close_node", "modifier_id"))); System.out.println( "------ end of " + new Object() {}.getClass().getEnclosingMethod().getName() + " ------"); }
public void test_0() throws Exception { String sql = "SELECT * FROM t1 WHERE column1 = (SELECT column1 FROM t2);"; MySqlStatementParser parser = new MySqlStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement stmt = statementList.get(0); SQLSelectStatement selectStmt = (SQLSelectStatement) stmt; SQLSelect select = selectStmt.getSelect(); Assert.assertNotNull(select.getQuery()); MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery(); Assert.assertNull(queryBlock.getOrderBy()); // print(statementList); Assert.assertEquals(1, statementList.size()); MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); stmt.accept(visitor); Assert.assertEquals(2, visitor.getTables().size()); Assert.assertEquals(3, visitor.getColumns().size()); Assert.assertEquals(1, visitor.getConditions().size()); Assert.assertEquals(0, visitor.getOrderByColumns().size()); Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t1"))); Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t2"))); String output = SQLUtils.toMySqlString(stmt); Assert.assertEquals( "SELECT *" // + "\nFROM t1" // + "\nWHERE column1 = (" // + "\n\tSELECT column1" // + "\n\tFROM t2" // + "\n\t)", // output); String output_lcase = SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION); Assert.assertEquals( "select *" // + "\nfrom t1" // + "\nwhere column1 = (" // + "\n\tselect column1" // + "\n\tfrom t2" // + "\n\t)", // output_lcase); }
public void route( SystemConfig sysConfig, SchemaConfig schema, int sqlType, String realSQL, String charset, ServerConnection sc, LayerCachePool cachePool) { int rs = ServerParse.parse(realSQL); this.sqltype = rs & 0xff; this.sysConfig = sysConfig; this.schema = schema; this.charset = charset; this.sc = sc; this.cachePool = cachePool; try { // RouteStrategy routes=RouteStrategyFactory.getRouteStrategy(); // rrs =RouteStrategyFactory.getRouteStrategy().route(sysConfig, schema, sqlType2, // realSQL,charset, sc, cachePool); MySqlStatementParser parser = new MySqlStatementParser(realSQL); SQLStatement statement = parser.parseStatement(); if (statement instanceof SQLSelectStatement) { SQLSelectStatement st = (SQLSelectStatement) statement; SQLSelectQuery sqlSelectQuery = st.getSelect().getQuery(); if (sqlSelectQuery instanceof MySqlSelectQueryBlock) { MySqlSelectQueryBlock mysqlSelectQuery = (MySqlSelectQueryBlock) st.getSelect().getQuery(); joinParser = new JoinParser(mysqlSelectQuery, realSQL); joinParser.parser(); } } /* if (routes instanceof DruidMysqlRouteStrategy) { SQLSelectStatement st=((DruidMysqlRouteStrategy) routes).getSQLStatement(); SQLSelectQuery sqlSelectQuery =st.getSelect().getQuery(); if(sqlSelectQuery instanceof MySqlSelectQueryBlock) { MySqlSelectQueryBlock mysqlSelectQuery = (MySqlSelectQueryBlock)st.getSelect().getQuery(); joinParser=new JoinParser(mysqlSelectQuery,realSQL); joinParser.parser(); } } */ } catch (Exception e) { } }
public void test_crossJoin() throws Exception { String sql = "SELECT * FROM t1 CROSS JOIN t2 ON t1.id = t2.id;"; TeradataStatementParser parser = new TeradataStatementParser(sql); List<SQLStatement> statementList = parser.parseStatementList(); SQLStatement statement = statementList.get(0); print(statementList); Assert.assertEquals(1, statementList.size()); { SQLSelectStatement selectStmt = (SQLSelectStatement) statement; SQLSelect selectSQL = selectStmt.getSelect(); TeradataSelectQueryBlock queryBlock = (TeradataSelectQueryBlock) selectSQL.getQuery(); Assert.assertTrue(queryBlock.getFrom() instanceof SQLJoinTableSource); SQLJoinTableSource joinSource = (SQLJoinTableSource) queryBlock.getFrom(); Assert.assertEquals(joinSource.getJoinType().toString(), "CROSS_JOIN"); Assert.assertEquals(joinSource.getLeft().toString(), "t1"); Assert.assertEquals(joinSource.getRight().toString(), "t2"); Assert.assertNotNull(joinSource.getCondition()); } TeradataSchemaStatVisitor visitor = new TeradataSchemaStatVisitor(); statement.accept(visitor); System.out.println("Tables : " + visitor.getTables()); System.out.println("fields : " + visitor.getColumns()); System.out.println("coditions : " + visitor.getConditions()); System.out.println("orderBy : " + visitor.getOrderByColumns()); Assert.assertEquals(2, visitor.getTables().size()); System.out.println( "------ end of " + new Object() {}.getClass().getEnclosingMethod().getName() + " ------"); }