Upgrade to HyperSQL 2.3.0

05 July svn 5259 snapshot 52
-- added connection property, close_result
30 June - svn 5256 snapshot 51
-- added INSTR function
15 May - svn 5241 snapshot
-- added support for backup of database as set of files BACKUP DATABASE TO <path> AS FILES
12 April - svn 5228 snapshot
-- added TIMESTAMP_WITH_ZONE function
-- fixed issue with AT <time zone> use with TIMESTAMP WITHOUT TIME ZONE
-- fixed issue with TRIGGER with non-zero QUEUE setting
4 April - svn 5222
-- improved data space reuse
-- improved optimisation of SELECT DISTINCT and GROUP BY
-- improved MYS syntax compatibility mode to support backtick quoted identifiers
25 March 2013 - svn 5214
-- added support for statement timeout via java.sql.Statement and PreparedStatement
18 March 2013 - svn 5208
-- improved support for setting collation strength and case-sensitivity
-- VARCHAR_IGNORECASE is no longer a type and is translated into the collation name
10 March 2013 - svn 5203
-- increased default max size of BLOB and CLOB to BLOB(1G) and CLOB(1G)
-- added support for compressed and encrypted lobs
-- improved DatabaseMetaData reporting of actual settings for null ordering
-- improved DB2 and ORA syntax compatibility modes
06 February 2013 - svn 5168 snapshot
-- improved backward compatibility for use with embedded OpenOffice / LibreOffice databases
-- fixed regression with some subquery tables used in OUTER joins
-- fixed regression with some in MERGE statements
04 January 2013 - svn 5139 - snapshot
-- improved reuse of empty lob spaces
-- fixed various minor issues 
09 December 2012 - svn 5127
-- added support for CONCAT_WS and UNIX_MILLIS functions
-- added support for table spaces
-- added INFORMATION_SCHEMA.SYSTEM_TABLESTATS
-- added SET DATABASE SQL NULLS ORDER and the property sql.nulls_order for the default sort order of nulls
-- improved name resolution in queries within SQL routines
-- fixed various minor issues
01 November 2012 - svn 5103
-- fixed issue with some correlated subqueries in where clause
-- fixed issue with ROWNUM in inner selects
-- fixed various minor issues
-- improved support for DATE and TIMESTAMP subtraction without explicit INTERVAL type
-- added support for ADD_MONTHS, LAST_DAY, MONTHS_BETWEEN and other Oracle style functions
24 October 2012 - svn 5096 snapshot
-- fixed various minor issues
-- fixed issues with some disk-based TEMP tables used in multiversion transaction modes
12 October 2012 - svn 5089 snapshot
-- fixed issue with access to LOBs in res: databases
-- fixed regression with some nested views
-- added global IGNORECASE property
10 September 2012 - svn 5071 snapshot
-- fixed regession with the result returned after a SHUTDOWN 
-- fixed regression with non-correlated scalar subqueries causing NPE
-- fixed regression with FUNCTION and PROCEDURE local tables data change logging
-- fixed regression with script file with CREATE TYPE with character types
-- fixed issue with DECLARE CURSOR in routines using write locks and requiring MODIFIES SQL DATA
-- fixed issue with TRUNCATE function causing NPE when used in column GENERATED ALWAYS expression
-- fixed issue with escape in Unicode string which caused only the part before the escape to return from Scanner
-- fixed issue with upgraded version 1.8.0 databases which did not have lob space
-- fixed issue with logging changed password after ALTER USER ... SET PASSWORD ...
-- improved text table source textdb.allow_full_path=true to allow absolute full paths
-- improved sql.enforce_references=true to catch ambiguous references in ORDER BY columns
-- improved ORA syntax compatibility mode
-- added support for terminal DROP TABLE ... IF EXISTS for local temporary tables