Yuan Liu created TRAFODION-2669:
-----------------------------------
Summary: Error message of 8402 cause misunderstanding
Key: TRAFODION-2669
URL: https://issues.apache.org/jira/browse/TRAFODION-2669
Project: Apache Trafodion
Issue Type: Improvement
Components: sql-general
Affects Versions: any
Reporter: Yuan Liu
Fix For: any
When insert a value longer than the column data type, the error message caused
misunderstanding.
Why 21 bytes can not be inserted into 24 bytes?
SQL>showddl test_utf8;
CREATE TABLE TRAFODION.SEABASE.TEST_UTF8
(
A VARCHAR(6 CHARS) CHARACTER SET UTF8
COLLATE DEFAULT DEFAULT NULL NOT SERIALIZED
)
ATTRIBUTES ALIGNED FORMAT
;
--- SQL operation complete.
SQL>insert into test_utf8 values('我我我我我我');
--- 1 row(s) inserted.
SQL>insert into test_utf8 values('我我我我我我我');
*** ERROR[8402] A string overflow occurred during the evaluation of a character
expression. Conversion of Source Type:VARCHAR(REC_BYTE_V_ASCII,{color:red}21
BYTES,UTF8{color}) Source Value:我我我我我我我 to Target
Type:VARCHAR(REC_BYTE_V_ASCII,{color:red}24 BYTES,UTF8{color}). [2017-06-27
15:44:45]
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