September 2007
Intermediate to advanced
600 pages
20h 21m
English
book
Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
by Ben Forta, Raymond Camden, Charlie Arehart
Content preview from Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
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Using Result Variables
So far, you have displayed data retrieved using database queries. But sometimes you’ll need access to data about queries (and not just data within queries). For example, if you wanted to display the number of movies retrieved, where would you get that count from?
To simplify this type of operation, ColdFusion can return special variables with every query using the optional RESULT structure. Table 10.1 lists these variables, and as you can see, RecordCount can provide the number of rows retrieved.
| Variable | Description |
|---|---|
| Cached | Flag indicating whether or not returned query is a cached copy |
| ColumnList | Names of columns in query results (comma-delimited list) |
| ExecutionTime | Query execution time (in milliseconds) ... |
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