jibiyr commented on a change in pull request #2366:
URL: https://github.com/apache/calcite/pull/2366#discussion_r591279642
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File path: core/src/test/java/org/apache/calcite/sql/parser/SqlParserTest.java
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@@ -7766,6 +7770,32 @@ public void subTestIntervalSecondFailsValidation() {
SqlParserUtil.addCarets("abcdef", 1, 7, 1, 7));
}
+ @Test void testSnapshot() {
+ SqlNode tableRef = new SqlBasicCall(
+ new SqlAsOperator(),
+ new SqlNode[]{
+ new SqlIdentifier("default_db.products", new SqlParserPos(8, 11)),
+ new SqlIdentifier("products1", new SqlParserPos(8, 11))
+ },
+ new SqlParserPos(8, 11)
+ );
+ SqlNode period = new SqlIdentifier("orders.proctime", new SqlParserPos(8,
42));
+ SqlSnapshot sqlSnapshot = new SqlSnapshot(new SqlParserPos(8, 11),
tableRef, period);
+
+ SqlWriter sqlWriter = new SqlPrettyWriter();
+ sqlSnapshot.unparse(sqlWriter, 0, 0);
+
+ assertEquals(sqlWriter.toSqlString().getSql(), "\"default_db.products\" "
+ + "FOR SYSTEM_TIME AS OF \"orders.proctime\" AS \"products1\"");
Review comment:
thank you, danny I'll change it
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