Dawid Wysakowicz created FLINK-34745:
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Summary: Parsing temporal table join throws cryptic exceptions
Key: FLINK-34745
URL: https://issues.apache.org/jira/browse/FLINK-34745
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Affects Versions: 1.19.0
Reporter: Dawid Wysakowicz
Assignee: Dawid Wysakowicz
Fix For: 1.20.0
1. Wrong expression type in `AS OF`:
{code}
SELECT * " +
"FROM Orders AS o JOIN " +
"RatesHistoryWithPK FOR SYSTEM_TIME AS OF 'o.rowtime' AS r " +
"ON o.currency = r.currency
{code}
throws:
{code}
java.lang.AssertionError: cannot convert CHAR literal to class
org.apache.calcite.util.TimestampString
{code}
2. Not a table simple table reference
{code}
SELECT * " +
"FROM Orders AS o JOIN " +
"RatesHistoryWithPK FOR SYSTEM_TIME AS OF o.rowtime + INTERVAL '1' SECOND
AS r " +
"ON o.currency = r.currency
{code}
throws:
{code}
java.lang.AssertionError: no unique expression found for {id: o.rowtime,
prefix: 1}; count is 0
{code}
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