diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java index 39cb4aaf3f..96a712a6c4 100644 --- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java +++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java @@ -2208,7 +2208,17 @@ public class SQLExprParser extends SQLParser { } else { expr = expr(); } - final String alias = as(); + + final String alias; + switch (lexer.token()) { + case FULL: + alias = lexer.stringVal(); + lexer.nextToken(); + break; + default: + alias = as(); + break; + } return new SQLSelectItem(expr, alias, connectByRoot); } diff --git a/src/test/java/com/alibaba/druid/bvt/sql/mysql/select/MySqlSelectTest_38.java b/src/test/java/com/alibaba/druid/bvt/sql/mysql/select/MySqlSelectTest_38.java new file mode 100644 index 0000000000..ade39e717b --- /dev/null +++ b/src/test/java/com/alibaba/druid/bvt/sql/mysql/select/MySqlSelectTest_38.java @@ -0,0 +1,68 @@ +/* + * Copyright 1999-2017 Alibaba Group Holding Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.alibaba.druid.bvt.sql.mysql.select; + +import com.alibaba.druid.sql.MysqlTest; +import com.alibaba.druid.sql.SQLUtils; +import com.alibaba.druid.sql.ast.SQLStatement; +import com.alibaba.druid.sql.visitor.SchemaStatVisitor; +import com.alibaba.druid.util.JdbcConstants; +import org.junit.Assert; + +import java.util.List; + +public class MySqlSelectTest_38 extends MysqlTest { + + public void test_0() throws Exception { + String sql = "select full full from t1"; + + + List statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL); + SQLStatement stmt = statementList.get(0); + + Assert.assertEquals(1, statementList.size()); + + SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.MYSQL); + stmt.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(1, visitor.getTables().size()); +// Assert.assertEquals(1, visitor.getColumns().size()); +// Assert.assertEquals(0, visitor.getConditions().size()); +// Assert.assertEquals(0, visitor.getOrderByColumns().size()); + + { + String output = SQLUtils.toMySqlString(stmt); + Assert.assertEquals("SELECT full AS full\n" + + "FROM t1", // + output); + } + { + String output = SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION); + Assert.assertEquals("select full as full\n" + + "from t1", // + output); + } + + } + + + +}