Scan count 3, logical reads 61197, physical reads 161, read-ahead reads 50569, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. To do this, we need to transform a range condition on both columns into an equality condition which we could later check.
SQL Server Execution Times: CPU time = 577 ms, elapsed time = 14620 ms. To do this, I just split the starts of the ranges and their lengths into chunks of one day long.
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I needed range of days for one graph in Google Charts so I tried to make compact, flexible (and me-proof) function to generate range of dates.
It is important to establish time zone environment.
In modern versions of PHP (which you should be using) is is handled by date_default_timezone_set function (or date.timezone in configuration).
Functions that are sensitive to that will even try to raise fuss if it isn’t set.
There are different time formats (almost freeform), time zones, daylight saving offsets and who knows what else to consider.
As with any tricky task my rule of a thumb is to trust programming language and don’t trust Googled-up snippets too much.In the calendar, you can specify dates and date ranges, or select a preset.You can make calendar selections at the project, workspace, and report levels. However, a workspace date range overrides the project's date range.How do we test if the range contains the given date? This date may possbily be contained by: This list is possibly infinite, however, we know the maximal length possible is 12 (or we would split the ranges into longer chunks), so this list is limited by the maximal possible length.And each of the conditions above is coverable by plain B-Tree indexes.Similarly, a report's date range overrides the date settings of a workspace and project.