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Register localtimestamp as current_timestamp in Oracle9iDialect #3707

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Merged
merged 4 commits into from
Oct 4, 2025
Merged

Register localtimestamp as current_timestamp in Oracle9iDialect #3707

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0c9a437
Fix current timestamp function
hazzik Sep 25, 2025
c962d17
Fix
hazzik Sep 25, 2025
1771b4b
Merge branch 'master' into oracle-current-timestamp
hazzik Sep 25, 2025
84ad6a4
Merge branch 'master' into oracle-current-timestamp
fredericDelaporte Oct 4, 2025
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18 changes: 6 additions & 12 deletions src/NHibernate/Dialect/Oracle9iDialect.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,19 +7,10 @@ namespace NHibernate.Dialect
{
public class Oracle9iDialect : Oracle8iDialect
{
public override string CurrentTimestampSelectString
{
get { return "select systimestamp from dual"; }
}
public override string CurrentTimestampSelectString =>
$"select {CurrentTimestampSQLFunctionName} from dual";

public override string CurrentTimestampSQLFunctionName
{
get
{
// the standard SQL function name is current_timestamp...
return "current_timestamp";
}
}
public override string CurrentTimestampSQLFunctionName => "localtimestamp";

// Current_timestamp is a timestamp with time zone, so it can always be converted back to UTC.
/// <inheritdoc />
Expand All @@ -46,6 +37,9 @@ protected override void RegisterFunctions()
{
base.RegisterFunctions();

RegisterFunction(
"current_timestamp",
new NoArgSQLFunction("localtimestamp", NHibernateUtil.LocalDateTime, false));
RegisterFunction(
"current_utctimestamp",
new SQLFunctionTemplate(NHibernateUtil.UtcDateTime, "SYS_EXTRACT_UTC(current_timestamp)"));
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