siddharthteotia commented on code in PR #10421:
URL: https://github.com/apache/pinot/pull/10421#discussion_r1140967721
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pinot-common/src/test/java/org/apache/pinot/sql/parsers/CalciteSqlCompilerTest.java:
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@@ -3054,15 +3067,88 @@ public void testExtractTableNamesFromNode() {
Assert.assertEquals(tableNames.get(3), "tbl4");
}
- private static SqlNodeAndOptions testSqlWithCustomSqlParser(String
sqlString) {
- try (StringReader inStream = new StringReader(sqlString)) {
- SqlParserImpl sqlParser = CalciteSqlParser.newSqlParser(inStream);
- SqlNodeList sqlNodeList = sqlParser.SqlStmtsEof();
- // Extract OPTION statements from sql.
- return CalciteSqlParser.extractSqlNodeAndOptions(sqlString, sqlNodeList);
- } catch (Exception e) {
- Assert.fail("test custom sql parser failed", e);
- return null;
- }
+ @Test
+ public void testJoin() {
+ String query = "SELECT T1.a, T2.b FROM T1 JOIN T2";
+ PinotQuery pinotQuery = CalciteSqlParser.compileToPinotQuery(query);
+ DataSource dataSource = pinotQuery.getDataSource();
+ Assert.assertNull(dataSource.getTableName());
+ Assert.assertNull(dataSource.getSubquery());
+ Assert.assertNotNull(dataSource.getJoin());
+ Join join = dataSource.getJoin();
+ Assert.assertEquals(join.getType(), JoinType.INNER);
+ Assert.assertEquals(join.getLeft().getTableName(), "T1");
+ Assert.assertEquals(join.getRight().getTableName(), "T2");
+ Assert.assertNull(join.getCondition());
+
+ query = "SELECT T1.a, T2.b FROM T1 JOIN T2 ON T1.key = T2.key";
Review Comment:
May want to add a test that specifically uses `INNER JOIN` keyword in the SQL
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