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tables, resolving Issue #313
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- Since we are using mysql_real_query() there is no need to generate a \0 terminated cString.
- The disadvantage of using UTF8String is that it returns NULL if the encoding fails.
- To process each encoding equally we can now use [NSString dataUsingEncoding:enc allowLossyConversion:lossy]. In oder to avoid the overhead while calling it the following inline function is introduced:
NSStringDataUsingLossyEncoding(aStr, enc, lossy) := [aStr dataUsingEncoding:enc allowLossyConversion:lossy]
• import of CSV: code cleaned and optimized for speed a little
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- id o = NSArrayObjectAtIndex(anArray, index) :== id o = [anArray objectAtIndex:index]
- this speed up it ~3µs per call
- replaced that inline function for such calls within loops to speed up them
• used IMP function pointers for keepAlive calls within queryString:
• set -O3 (Fastest) compiler option
• allow in preference pane "Tables" to set the Limit up to 50000
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and views as a different header color
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fk relations
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statements in the Custom Query editor if necessary
- if statement begins with: use, create, alter, rename, drop
• reload table list, database pull-down menu according to imported statements
• sped up "Import MySQL Dump"
• fixed some tiny issues of the last commit
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- added
(NSArray *) splitSqlStringByCharacter:(unichar)character;
(NSArray *) splitSqlStringIntoRangesByCharacter:(unichar)character;
(long) firstOccurrenceInSqlOfCharacter:
to the SQLParser which recognize a “delimiter” command
• queryAtPosition now works with ranges to speed it up
- the current query ranges resp. the just activated query range are cached in order to avoid parsing if the user only navigates through the textView buffer, or if the user calls Run Prev/Current Query only
• the "import dump" function makes usage of that new “delimiter” support
- i.e. dumps with procs/funcs declaration could be imported
IMPORTANT: Please check the new SQLParser exhaustively in order to prove that new approach
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Also replaced some NSLog with DLog/ALog
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a bit more readable
- used for show/copy create view syntax as well as for a MySQL dump
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the sql file and was crashing due to the size of the file. Line is commented out in non-Debug builds.
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(issue #192).
- Also make these messages have a style of critical to indicate the potential loss of data as a result of performing the operation.
- Updated Localizable.strings to accommodate new dialog messages.
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remove '_dump' and spaces from filename.
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- committing Source
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queries are sent as UTF8, if possible; this correctly preserves encoding data when working with files export from Sequel Pro or via mysqldump, and attempts to fall back to the current connection encodings for other files. This should resolve Issue #116.
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backup-type process and more closely match mysqldump, and correctly drop views
- Consistently set and restore the encoding appropriately for SQL import/export, and export to UTF8 files to correctly store all characters. Goes a good way towards addressing Issue #116.
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mode, and alter notes setting, and disable unique checks if appropriate. Dumps generated by Sequel Pro will now be able to be imported even if foreign keys etc are present, without throwing errors and aborting import.
- When exporting to an SQL file, wrap the data import commands with table locking and key disabling commands - improves import speeds.
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#212)
- SQL dump now correctly exports the CREATE ALGORITHM statement for views, and no longer attempts to output data for views. Databases with views can now be exported/imported without errors.
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enclosure, escape and line ending characters from the "export multiple tables" dialog instead.
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- added a backtickQuotedString: method to SPStringAdditions
- created the file SPArrayAdditions for a componentsJoinedAndBacktickQuoted: method
In the future, we should use backtickQuotedString: to quote identifiers like this:
[NSString stringWithFormat:@"SELECT * FROM %@", [tableName backtickQuotedString]]
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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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exports (Issue #184)
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and automatically change the format dropdown to match
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Issue #155)
- Added basic support for viewing, filtering, and editing BIT columns (resolves Issue #127 in basic form)
- Rewrites selection/save handling. Rows are now only written to database if their content has changed, resolving a long-standing complaint; row selection and editing has also been improved, improving edit/save interaction (fixes Issue #157) and allowing re-editing of the row on failure (fixes Issue #115). Hopefully also addresses #Issue 131, and improves Issue #172.
- Hides the console window when the associated document window closes
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of content of read string)
Raising error when trying to import empty CSV file.
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when displayed.
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fixing a crasher when suffering from network issues
- When prompting for an export filename, only select the filename for editing and not the extension
- Remove timing debug from CSV export
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- Fixes crash when you import a csv file into an empty table.
- Added auto refresh of tables list when you import an sql file.
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the damage caused by r333, making views viewable again, and extends support by preventing errors in the info pane, by drawing views with a different icon to easily differentiate them, by making all source/index information non-editable to match GUI to behaviour, and to tweak the interface slightly to match.
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- Significantly reduce the queries that have to be performed, improving lag - especially over slow connections (Issue #118; see new controller info under headline code changes).
- Fix Issue #117 properly (export numeric quoting - we now have access to column types and so can quote appropriately).
- Fix Issue #145 (loss of unsigned/null/default attributes when reordering columns).
- Fixes Issue #90 (support for filtering DECIMAL column types)
- Improve table scrolling speed when the table contains long items. (Added a NSFormatter to automatically truncate strings > 150 chars for display purposes only)
- Improved SQL compatibility - for example /* C style comments */ are now correctly ignored in imports and custom queries.
- Add text and symbols emphasising that the table info pane / status view row count is an approximation (partially addresses Issue #141)
- Fixes a major memory leak whenever opening or scrolling tables containing text/blob data.
- SQL import is now faster (SQL parsing part is 3x faster).
- Speed up SQL export (1.5x faster for numeric data; 1.1x faster for string data) and slightly speed up CSV export (~1.1x faster).
- Display sizes on the status view using the byte size formatter, as per table info pane.
Headline code changes:
- Add a new NSMutableString subclass, SPSQLParser. See the header file for documentation and overview, but in short it's a centralised place for SQL parsing. Centralises and improves parsing, improves comment support, improves quoting support. Despite the improved featureset this is also faster than the previous distributed implementations - for example, when used to replace the old splitQueries:, > 3x speedup.
- Implement a new controller which handles a structure and status cache for the current table, and provides structure parsing for specified tables. This cache is now used throughout the code, reducing the queries that have to be performed and providing additional information about the table structure for use; I think it also improves column type format slightly.
- The table info pane and the status view now draw all their data from the cache.
Tweaks:
- Table encoding is now detected directly instead of being derived from the collation - increased accuracy and cope with the DEFAULT encoding.
- Comments and formatting cleaned up in bits I was working on, obviously.
- A couple of methods - particularly [tablesListInstance table] and [tableDocument encoding] - have been renamed to avoid conflicts and fix code warnings.
Future improvements now possible:
- As we now have access to column types and other information, we can provide per-type behaviour where desired.
- The table parsing doesn't currently pull out comments or table indices, together with one or two other attributes. Some of this would be useful for display; some, such as indices, could be used to draw the table structure view as long as we're happy discarding a couple of columns (ie cardinality!)
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import panel
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importing on a separate thread.
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caused by r274
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NSScanner numeric checks, and clarifying comments to make it clearer that NSScanner should be replaced when possible.
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structure.
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