Oracle TimesTen Dialect for Hibernate 6.6 Updates

[carlblan]

Some updates from an Oracle employee to the Oracle TimesTen Community dialect. ( Hibernate 6.6 )

In TimesTenDialect.java

Adding more datatypes into columnType()
Added more SQL functions support into initializeFunctionRegistry()
Updated the custom definition for 'getForUpdateString()'
Added a custom definition for 'getNativeIdentifierGeneratorStrategy()'
Added a custom definition for 'currentDate()'
Added a custom definition for 'currentTime()'
Added a custom definition for 'getMaxVarcharLength()'
Added a custom definition for 'getMaxVarbinaryLength()'
Added a custom definition for 'isEmptyStringTreatedAsNull()'
Added a custom definition for 'supportsTupleDistinctCounts()'
Added a custom definition for 'getDual()'
Added a custom definition for 'getFromDualForSelectOnly()'

In TimesTenSqlAstTranslator.java

Added a custom definition for 'renderRowsToClause()'

In TimesTenLimitHandler.java

    The class now extends 'AbstractLimitHandler'
    Removed a custom definition for 'insert()'
    Added a custom definition for 'supportsLimit()'
    Added a custom definition for 'supportsOffset()'
    Added a custom definition for 'supportsLimitOffset()'
    Added a custom definition for 'supportsVariableLimit()'
    Added a custom definition for 'convertToFirstRowValue(int zeroBasedFirstResult)'
    Added a custom definition for 'useMaxForLimit()'
    Added a custom definition for 'limitClause(boolean hasFirstRow)'

In TimesTenSequenceSupport.java

    The Class now implements 'SequenceSupport'
    Added a custom definition for 'supportsSequences()'
    Added a custom definition for 'supportsPooledSequences()'
    Added a custom definition for 'getSelectSequenceNextValString(String sequenceName)'
    Added a custom definition for 'getSequenceNextValString(String sequenceName)'
    Added a custom definition for 'getCreateSequenceString(String sequenceName)'
    Added a custom definition for 'getDropSequenceString(String sequenceName)'

Testing:

The changes were tested with some local tests we have using this Hibernate 6 TimesTen community dialect.

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and can be relicensed under the terms of the LGPL v2.1 license in the future at the maintainers' discretion.
For more information on licensing, please check here.

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[carlblan]

@beikov @mbellade @yrodiere

Here's a new PR to update the TimesTen Community Dialect for Hibernate 6.6

I closed the previous PR: #10273
Since I accidentally fetched/updated from main instead of 6.6 branch

This is a clean PR with the same changes but addressed the previous comments:

• Removed the copyright headers from my changes since Oracle has been added as a corporate contributor.
• Addressed comments for 'initializeFunctionRegistry()'

Let me know any other comment.

Thanks