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mutable string to avoid crashes if array has a very large number of items (malloc error due to reassigning a NSString pointer)
• added to SPTableData method - (NSArray *) primaryKeyColumnNames
- returns all column names which are set as PRIMARY KEYs
- return nil if no PRIMARY KEY is set
• improved the deletion of rows
- if current table has only one PRIMARY KEY field delete all rows via DELETE FROM table WHERE pri_key IN (…) whereby the deletion query will be splitted into 256k chunks
Note: line 1790ff
It has to be implemented a workaround for tables with more than one PRIMARY KEY – maybe via DELETE FROM table WHERE ( (pri_key1='…' AND pri_key2='…') OR (… AND …) OR … ) splitted in 256k chunks as well
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- Includes all custom code from subclasses CMMCPConnection and CMMCPResult, meaning they have subsequently been removed from the project.
- All previous Sequel Pro specific code in the above subclasses has been removed in favour of the delegate (currently set to TableDocumet) informing the framework of such information.
- All references to CMMCPConnection and CMMCPResult have subsequently been changed to MCPConnection and MCPResult.
- Framework includes MySQL 5.1.36 client libraries and source headers.
- Framework is now built as a 4-way (32/64 bit, i386/PPC arch) binary.
- All import references to <MCPKit_bundled/MCPKit_bundled.h> have been changed to <MCPKit/MCPKit.h>.
- New script 'build-mysql-client.sh' can be used to build the MySQL client libraries from the MySQL source. See the script's header for a list of available options or run it with no arguments to display it's usage.
Note that there are still a few changes to be made to the framework with regard to removing Sequel Pro specific calls to the delegate. These however can be made later on as they have no effect on functionality and are merely design changes.
Also, note that any future development done on the framework should be made to be as 'generic' as possible, with no Sequel Pro specific references. This should allow the framework to be integrated into another project without the need for SP specific code.
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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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