nizhikov commented on code in PR #11518:
URL: https://github.com/apache/ignite/pull/11518#discussion_r1811351949
##########
modules/core/src/main/java/org/apache/ignite/internal/jdbc/thin/JdbcThinResultSet.java:
##########
@@ -1298,12 +1318,26 @@ else if (cls == String.class || cls == Character.class)
{
/** {@inheritDoc} */
@Override public Blob getBlob(int colIdx) throws SQLException {
- return new JdbcBlob(getBytes(colIdx));
+ Object val = getValue(colIdx);
+
+ if (val == null)
+ return null;
+
+ if (val instanceof JdbcBlobBuffer) {
Review Comment:
Let's simplify a bit here:
```
if (!(val instanceof JdbcBlobBuffer))
throw new SQLException("Cannot convert to Blob [colIdx=" +
colIdx + "]");
return new JdbcBlob(JdbcBlobBuffer.shallowCopy((JdbcBlobBuffer)val));
```
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