[jira] [Updated] (IGNITE-21559) Sql. Implement expression traversal that checks whether expression is deterministic
[ https://issues.apache.org/jira/browse/IGNITE-21559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Vyacheslav Koptilin updated IGNITE-21559: - Labels: ignite-3 (was: ) > Sql. Implement expression traversal that checks whether expression is > deterministic > --- > > Key: IGNITE-21559 > URL: https://issues.apache.org/jira/browse/IGNITE-21559 > Project: Ignite > Issue Type: Improvement > Components: sql >Affects Versions: 3.0.0-beta2 >Reporter: Maksim Zhuravkov >Priority: Major > Labels: ignite-3 > > Let's implement a utility for determining whether an expression tree > (RexNodes) is deterministic or not. > Expression is deterministic if it is constant expression, dynamic parameter, > or a function like CURRENT_TIMESTAMP is evaluated once per session, or > deterministic function. > Non deterministic functions in AI-3: GEN_RANDOM_UUID. > Check to see if there are any other non-deterministic functions as well and > mark them accordingly. -- This message was sent by Atlassian Jira (v8.20.10#820010)
[jira] [Updated] (IGNITE-21559) Sql. Implement expression traversal that checks whether expression is deterministic
[ https://issues.apache.org/jira/browse/IGNITE-21559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Maksim Zhuravkov updated IGNITE-21559: -- Summary: Sql. Implement expression traversal that checks whether expression is deterministic (was: Sql. Implement expression traversal that checks whether expression is determinist) > Sql. Implement expression traversal that checks whether expression is > deterministic > --- > > Key: IGNITE-21559 > URL: https://issues.apache.org/jira/browse/IGNITE-21559 > Project: Ignite > Issue Type: Improvement > Components: sql >Affects Versions: 3.0.0-beta2 >Reporter: Maksim Zhuravkov >Priority: Major > > Let's implement a utility for determining whether an expression tree > (RexNodes) is deterministic or not. > Expression is deterministic if it is constant expression, dynamic parameter, > or a function like CURRENT_TIMESTAMP is evaluated once per session, or > deterministic function. > Non deterministic functions in AI-3: GEN_RANDOM_UUID. > Check to see if there are any other non-deterministic functions as well and > mark them accordingly. -- This message was sent by Atlassian Jira (v8.20.10#820010)
