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[branch-2.1](function) fix random_bytes return same data for multi rows (#39891) (#40137)

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pick https://github.com/apache/doris/pull/39891

Issue Number: close #xxx

before:
```sql
mysql [optest]>SELECT random_bytes(10) a FROM numbers("number" = "10");
+------------------------+
| a                      |
+------------------------+
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
| 0x7b4e5727024bc5b59e2c |
+------------------------+
```

now:
```sql
mysql [optest]>SELECT random_bytes(10) a FROM numbers("number" = "10");
+------------------------+
| a                      |
+------------------------+
| 0xd82cf60825b29ef2a0fd |
| 0x6f8c808415bdbaa6d257 |
| 0x7c26b5214297a151c25c |
| 0x43f02c77293063900437 |
| 0x5e5727569dec5e24f96b |
| 0x434f20bf74d7759640b7 |
| 0x087ed96b739750c733a6 |
| 0xdf05f6d7ede4972eb846 |
| 0xcefab471912264b5c54f |
| 0x1bddc019409d1926aa10 |
+------------------------+
```

## Proposed changes

Issue Number: close #xxx

<!--Describe your changes.-->
This commit is contained in:
zclllhhjj
2024-08-30 10:43:42 +08:00
committed by GitHub
parent e4d543f060
commit 163193b1d4
8 changed files with 35 additions and 628 deletions
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5
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Random.java
View File

@ -89,11 +89,6 @@ public class Random extends ScalarFunction
}
}
@Override
public boolean foldable() {
return false;
}
/**
* withChildren.
*/

3
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RandomBytes.java
View File

@ -20,6 +20,7 @@ package org.apache.doris.nereids.trees.expressions.functions.scalar;
import org.apache.doris.catalog.FunctionSignature;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.functions.ExplicitlyCastableSignature;
import org.apache.doris.nereids.trees.expressions.functions.Nondeterministic;
import org.apache.doris.nereids.trees.expressions.functions.PropagateNullable;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.IntegerType;
@ -35,7 +36,7 @@ import java.util.List;
* ScalarFunction 'random_bytes'. This class is generated by GenerateFunction.
*/
public class RandomBytes extends ScalarFunction
implements ExplicitlyCastableSignature, PropagateNullable {
implements ExplicitlyCastableSignature, PropagateNullable, Nondeterministic {
public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
FunctionSignature.ret(StringType.INSTANCE).args(IntegerType.INSTANCE),