bug fixed for sql parser && enhance mock driver

2023-03-04 19:17:16 +00:00 · 2012-03-31 22:44:05 +08:00
parent ffcd1cae4a
commit 8a6bd52078
7 changed files with 126 additions and 31 deletions
@@ -0,0 +1,69 @@
+package com.alibaba.druid.bvt.sql.oracle;
+
+import java.util.List;
+
+import junit.framework.Assert;
+
+import com.alibaba.druid.sql.OracleTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
+import com.alibaba.druid.sql.ast.statement.SQLSelect;
+import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
+import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+
+public class OracleSelectTest36 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = //
+        "select ID,name from druid_test where (name>=? or name is null) and card_id<?"; //
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+        
+        {
+            SQLSelect select = ((SQLSelectStatement) statemen).getSelect();
+            SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) select.getQuery();
+            SQLBinaryOpExpr where = (SQLBinaryOpExpr) queryBlock.getWhere();
+            Assert.assertEquals(SQLBinaryOperator.BooleanAnd, where.getOperator());
+            
+            SQLBinaryOpExpr left = (SQLBinaryOpExpr) where.getLeft();
+            Assert.assertEquals(SQLBinaryOperator.BooleanOr, left.getOperator());
+            
+            SQLBinaryOpExpr nameGTEQ = (SQLBinaryOpExpr) left.getLeft();
+            Assert.assertEquals(SQLBinaryOperator.GreaterThanOrEqual, nameGTEQ.getOperator());
+            
+            SQLBinaryOpExpr nameIS = (SQLBinaryOpExpr) left.getRight();
+            Assert.assertEquals(SQLBinaryOperator.Is, nameIS.getOperator());
+        }
+
+        Assert.assertEquals(1, statementList.size());
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("relationships : " + visitor.getRelationships());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("druid_test")));
+
+        Assert.assertEquals(3, visitor.getColumns().size());
+
+         Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("druid_test", "ID")));
+         Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("druid_test", "name")));
+         Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("druid_test", "card_id")));
+
+        // Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
+    }
+}