Cache table structure on PDO object #9
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Similar to ac6f81d for table exists checks. By remembering the table structure, we don't need to look it up each time we want to insert or update a row. Saves a little bit of time off mass-inserts/updates. Until we can improve `alterTable()`, the cached table structure is cleared whenever a change is made to the table. Added: - Method `setTableStructure()` to store copy of table schema on PDO instance - Method `queryTableStructure()` to prepare and run actual table schema retrieval Changed: - Method `tableStructure()` to delegate and remember lookup - Method `alterTable() to clear cached table structure
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Similar to ac6f81d for table exists checks.
By remembering the table structure (for the duration of the request), we don't need to look it up each time we want to insert or update a row. Saves a little bit of time off mass-inserts/updates.
Note: Until
alterTable()routines can be improved, the cached table structure is cleared whenever a change is made to the table schema.Added:
setTableStructure()to store copy of table schema on PDO instancequeryTableStructure()to prepare and run actual table schema retrievalChanged:
tableStructure()to delegate and remember lookup