MarkLogic 9 Product Documentation
cts.lsqtQuerycts.lsqtQuery(
temporal-collection as String,
[timestamp as Date?],
[options as String[]],
[weight as Number?]
) as cts.lsqtQuery
Summary
Returns only documents before LSQT or a timestamp before LSQT for
stable query results.
Parameters |
temporal-collection |
The name of the temporal collection.
|
timestamp |
Return only temporal documents with a system start time less than or equal
to this value.
Default is temporal:get-lsqt($temporal-collection) .
Timestamps larger than LSQT are rejected.
|
options |
Options to this query. The default is ().
Options include:
- "cached"
- Cache the results of this query in the list cache.
- "uncached"
- Do not cache the results of this query in the list cache.
- "cached-incremental"
- Break down the query into sub-queries and then cache each
one of them for better performance. This is enabled, by default.
- "score-function=function"
- Use the selected scoring function. The score function may be:
- linear
- Use a linear function of the difference between the
specified query value and the matching value in the index to calculate
a score for this range query.
- reciprocal
- Use a reciprocal function of the difference
between the specified query value and the matching value in the
index to calculate a score for this range query.
- zero
- This range query does not contribute to the
score. This is the default.
- "slope-factor=number"
- Apply the given number as a scaling factor to the slope of the
scoring function. The default is 1.0.
|
weight |
A weight for this query.
Higher weights move search results up in the relevance
order. The default is 1.0. The
weight should be between 64 and -16.
Weights greater than 64 will have the same effect as a
weight of 64.
Weights less than the absolute value of 0.0625 (between -0.0625 and
0.0625) are rounded to 0, which means that they do not contribute to the
score.
|
Example
cts.lsqtQuery("temporal", null, "cached-incremental", xs.double("3.13"));
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