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- Improve connection error messages slightly.
- Avoid reading prefs for every keepalive check - now sets connection timeout and keepalive interval on connection setup
- Fix and extend connection checks to avoid showing extra errors when the connection has been closed
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- Use method caches for oft-called functions, and support caching of chunks of the underlying string for string walking, resulting in an overall 1.3x-1.4x parsing speedup.
- Improve handling of multi-character comment starts (eg / or -) at the very end of strings
- When running splitString... methods return even empty strings for consistency.
- Update TableDump and TableData to match new usage
SPStringAddition changes:
- Add a formatter for time intervals.
CMMCPConnection changes:
- Add support for timing queries
CustomQuery and nib changes:
- Change the "Run Queries" button to "Run All".
- Add a "Run Current" button, which runs the query the text caret is currently positioned inside; if text is actually selected, this changes to "Run Selection". This addresses Issue #43.
- Amend the "rows affected" string to better reflect the actual number of rows altered by several queries, show the query count if > 1, and display the overall execution time of the queries. This addresses Issue #142.
- No longer execute blank strings as part of the custom query, preventing errors.
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retrieval, and support for disabling keep-alive by setting the interval to 0.
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Encoding" for clarity
- Add support for EUC-KR (I think, unable to test), hopefully fixing Issue #149
- Add workaround for UTF8 via Latin 1, supporting viewing and editing of data added using broken clients/upgraded old Wordpress/etc.
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databases queries. This fixes Issue #176.
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every sixty seconds (a value stored in prefs, though not exposed via the prefs interface yet) in a background thread, to further improve connectivity handling following r334. Pings are only run when necessary - ie active use of the program extends the next ping interval as appropriate, so general impact should be minimal.
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appropriately - offering to retry, reconnect, or disconnect. This fixes Issue #93, Issue #69, and Issue #77.
The gory details:
Previously, MCPKit was correctly running mysql_ping to ensure a connection still existed before running a query, and aborted the query if the connection was no longer active.However the code very rarely checked the response of this, so if a query failed subsequent queries would continue to be run and the program would end up checking non-existent results, throwing Cocoa exceptions and generally breaking. However, mysql_ping would also use the default timeout (30 seconds) for each check - when running the (previous to r333) 14 queries to switch tables, this resulted in a long hang before the program even broke.
To exacerbate the issue, certain situations triggered a bug present in mysql_ping in the old client binaries we're using (http://bugs.mysql.com/bug.php?id=9678), causing mysql_ping to never return despite the presence of a timeout, and so causing an indefinite hang.
This issue has been fixed by:
- Setting a new 10 second connection timeout for both new connections (Issue #69) and for mysql_pings. Once preferences have been redesigned we'll probably make this value editable.
- Enforce the 10 second timeout even if mysql_ping hangs by using interrupts.
- Wrap mysql_ping in a new method to do the above and also catch re-established connections without reporting false failures.
- When a connection has failed, prompt the user to Retry, Reconnect, or Disconnect. Reconnect uses the original details for the old connection to establish a new connection, also attempting to preserve the current encoding.
- Do not return control to the main loop until a connection has been reestablished (or disconnected) - this ensures the program is never in a broken state without having to rewrite all query usage.
Much of the above patches the MCPKit connection methods as necessary.
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structure.
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