Chun Chang created DRILL-807:
--------------------------------
Summary: convert function from varchar to UTF16 failed
Key: DRILL-807
URL: https://issues.apache.org/jira/browse/DRILL-807
Project: Apache Drill
Issue Type: Bug
Components: Execution - Operators
Reporter: Chun Chang
Assignee: Aditya Kishore
convert varchar to/from UTF16 failed with missing function implementation. same
query convert to/from UTF8 worked.
0: jdbc:drill:schema=dfs> select c_row, c_varchar,
convert_from(convert_to(c_varchar, 'UTF16'), 'UTF16') from data;
Query failed: org.apache.drill.exec.rpc.RpcException: [error_id:
"6cb3f087-1abe-4f64-a649-843b7f2a3f79"
endpoint {
address: "qa-node117.qa.lab"
user_port: 31010
control_port: 31011
data_port: 31012
}
error_type: 0
message: "Screen received stop request sent. < SchemaChangeException:[ Failure
while trying to materialize incoming schema. Errors:
Error in expression at index -1. Error: Missing function implementation:
[castVAR16CHAR(VARBINARY-OPTIONAL, BIGINT-REQUIRED)]. Full expression:
--UNKNOWN EXPRESSION--.. ]"
]
Error: exception while executing query (state=,code=0)
UTF8 worked:
0: jdbc:drill:schema=dfs> select c_row, cast(c_varchar as varchar(10)),
convert_from(convert_to(c_varchar, 'UTF8'), 'UTF8') from data;
+------------+------------+------------+
| c_row | EXPR$1 | EXPR$2 |
+------------+------------+------------+
| 1 | hi, this i | hi, this is a string. |
| 2 | hi, this i | hi, this is another string. |
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