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Developer's Report: Firebird INTL/DSQL Development
February to May 2013

May 2013

trunk
  • Fixed CORE-4083 - Full outer join in derived table with coalesce (iif).
  • Fixed crash with CORE-3694 test-case.
  • Added PSQL functions syntax to package documentation.
  • Misc documentation.
  • Document CORE-2006 - Regular expression SUBSTRING.
  • Document CORE-832 - Add support for parameterized exceptions.
  • Fixed crash when calling unimplemented packaged procedures.
  • Changed package routines syntax to not need (nor accept) a semi-colon after "END".
  • Document subroutines (CORE-1288 and CORE-3626).
  • Fixed problem with LEAVE and CONTINUE syntaxes.
  • Document CORE-1209 - CONTINUE statement.
  • Added ALTER GENERATOR (as ALTER SEQUENCE) for consistency with the other SEQUENCE/GENERATOR commands.
  • Document CORE-3018 - RECREATE, ALTER and CREATE OR ALTER
  • SEQUENCE/GENERATOR statements.
  • Improve external triggers messages to work by field name (instead of field order).
  • Make the master interface available in UDR.
  • RAII usage in UdrCpp example.
  • Release Notes review.
2.5 branch
  • Backported fix for CORE-4083 - Full outer join in derived table with coalesce (iif).

April 2013

trunk
  • Revert external routines to request-based code, but now using a totally different internal approach.
  • Fixed CORE-4073 - Constant columns getting empty value with subselect from procedure.
  • Apply patch by Treeve Jelbert to build against ICU 5.11.
  • Fixed CORE-4081 - Built-in functions and subselect no longer supported in "update or insert" value list.
  • Cleanup related to blr_stmt_expr.
  • Verifying new ICU versions for future Windows-build upgrade.
  • Document CORE-726 - Boolean data type.
  • Fixed CORE-4084 - GROUP BY fails if subselect-column is involved.
  • Document Window Functions.
  • Added FROM FIRST/LAST clause to NTH_VALUE (CORE-3621).
  • Fixed CORE-4083 - Full outer join in derived table with coalesce (iif).
  • Document CORE-1180 and CORE-3085 (ALTER ... NOT NULL).
  • Started a "Node printer" debug code.
March 2013

trunk
  • Fixing FB_MESSAGE macro and external functions and procedures.
  • Work in progress fixing external triggers.
  • Make line numbers of processed y-file matches parser.y lines.
  • Cleanups.
  • Fixed CORE-4061 - isql does not insert boolean values correctly, always shown as False.
  • Fixed CORE-4068 - create package fails on creating header as soon as there is at least 1 procedure name.
  • Fixed CORE-4067 - Problem with "CREATE DATABASE ... COLLATION ..." and 1 dialect.
  • Fixed problem reported in fb-devel: FB3 vs FB2.5: Different result for SUBSTRING('test' FROM 1 FOR NULL).
  • Fixed problem reported in fb-devel: FB3 and SQL_NULL.
  • Fixed CORE-4070 - NOT-NULL-column can be used as primary key and filled with NULL-values.
  • Fixed CORE-4071 - external function declaration with "returns parameter" crashes the server.
  • Revert external routines to request-based code, but now using a totally different internal approach.
  • Analysis of CORE-4060
  •  
February 2013

trunk

  • Working on converting the external engines API to the new style (IStatus, for example).
  • Parse BLR messages using BlrReader (and without duplicate code) to avoid segfaults with truncated or invalid data.
  • Fix SELECT FOR UPDATE problem related to r57615 change.
  • DSQL misc.
  • Fixing message header and UDR after Alex changes.
  • Replaced ICoerceMetadata with IMetadataBuilder and add a builder creator method in IMaster.
  • Working on IStatus.
  • Change message buffers type to void*.
  • Remove FbMessage struct from the API.
  • Fixing FB_MESSAGE macro and external functions and procedures.
2.5 branch
  • Improvement CORE-4047 - Increase number of input parameters for External Functions (UDFs) to 15.

Adriano dos Santos Fernandes
Sao Paulo, Brazil
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