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HHH-18803 Fix XML aggregate issues due to missing functions in DB2 10.5

This commit is contained in:
Christian Beikov 2024-12-17 17:54:17 +01:00
parent d0d442cfda
commit 4fc56653a6
1 changed files with 4 additions and 3 deletions
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7
hibernate-core/src/main/java/org/hibernate/dialect/aggregate/DB2AggregateSupport.java
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@ -168,7 +168,7 @@ public class DB2AggregateSupport extends AggregateSupportImpl {
case TIMESTAMP_UTC:
return template.replace(
placeholder,
"cast(trim(trailing 'Z' from xmlcast(xmlquery(" + xmlExtractArguments( aggregateParentReadExpression, columnExpression ) + ") as varchar(35))) as " + column.getColumnDefinition() + ")"
"cast(replace(trim(trailing 'Z' from xmlcast(xmlquery(" + xmlExtractArguments( aggregateParentReadExpression, columnExpression ) + ") as varchar(35))),'T',' ') as " + column.getColumnDefinition() + ")"
);
case SQLXML:
return template.replace(
@ -261,7 +261,8 @@ public class DB2AggregateSupport extends AggregateSupportImpl {
// We encode binary data as hex
return "hex(" + customWriteExpression + ")";
case UUID:
return "regexp_replace(lower(hex(" + customWriteExpression + ")),'^(.{8})(.{4})(.{4})(.{4})(.{12})$','$1-$2-$3-$4-$5')";
// Old DB2 didn't support regexp_replace yet
return "overlay(overlay(overlay(overlay(lower(hex(" + customWriteExpression + ")),'-',21,0,octets),'-',17,0,octets),'-',13,0,octets),'-',9,0,octets)";
// case ARRAY:
// case XML_ARRAY:
// return "(" + customWriteExpression + ") format json";
@ -754,7 +755,7 @@ public class DB2AggregateSupport extends AggregateSupportImpl {
// xmlelement and xmltable don't seem to support the "varbinary", "binary" or "char for bit data" types
final String columTypeLC = columnType.toLowerCase( Locale.ROOT ).trim();
return columTypeLC.contains( "binary" )
|| columTypeLC.startsWith( "char" ) && columTypeLC.endsWith( " bit data" );
|| columTypeLC.contains( "char" ) && columTypeLC.endsWith( " bit data" );
}
interface JsonWriteExpression {