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sql parser support oracle merge

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温少
2012-02-25 09:47:38 +08:00
parent 5fc9acdb4c
commit e01150c59e
17 changed files with 826 additions and 38 deletions
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src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleMergeTest.java
+54
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@@ -0,0 +1,54 @@
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.ast.SQLStatement;
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 OracleMergeTest extends OracleTest {
public void test_0() throws Exception {
String sql = "MERGE INTO bonuses D" + //
" USING (SELECT employee_id, salary, department_id FROM employees" + //
" WHERE department_id = 80) S" + //
" ON (D.employee_id = S.employee_id)" + //
" WHEN MATCHED THEN UPDATE SET D.bonus = D.bonus + S.salary*0.01" + //
" DELETE WHERE (S.salary > 8000)" + //
" WHEN NOT MATCHED THEN INSERT (D.employee_id, D.bonus)" + //
" VALUES (S.employee_id, S.salary*0.01)" + //
" WHERE (S.salary <= 8000);";
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
System.out.println(output(statementList));
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());
Assert.assertEquals(2, visitor.getTables().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("bonuses")));
Assert.assertEquals(5, visitor.getColumns().size());
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "employee_id")));
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "department_id")));
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("bonuses", "employee_id")));
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("bonuses", "bonus")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleSelectTest2.java
+3 -3
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@@ -15,10 +15,10 @@ public class OracleSelectTest2 extends OracleTest {
public void test_0() throws Exception {
String sql = "WITH " + //
" dept_costs AS (" + //
" SELECT department_name, SUM(salary) dept_total" + //
" SELECT d.department_name, SUM(d.salary) dept_total" + //
" FROM employees e, departments d" + //
" WHERE e.department_id = d.department_id" + //
" GROUP BY department_name)," + //
" GROUP BY d.department_name)," + //
" avg_cost AS (" + //
" SELECT SUM(dept_total)/COUNT(*) avg" + //
" FROM dept_costs)" + //
@@ -46,7 +46,7 @@ public class OracleSelectTest2 extends OracleTest {
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("departments")));
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(4, visitor.getColumns().size());
// Assert.assertTrue(visitor.getFields().contains(new TableStat.Column("films", "producer_id")));
}