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< li > < a href = "../types/" > Builtin Field Types< / a >
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< li > < a href = "../pad/" > Pad< / a >
< li class = "active" > < a href = "./" > Query< / a >
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< li > < a href = "all/" > all()< / a >
< li > < a href = "count/" > count()< / a >
< li > < a href = "distinct/" > distinct()< / a >
< li > < a href = "filter/" > filter()< / a >
< li > < a href = "first/" > first()< / a >
< li > < a href = "get/" > get()< / a >
< li > < a href = "include-hidden/" > include_hidden()< / a >
< li > < a href = "include-undiscoverable/" > include_undiscoverable()< / a >
< li > < a href = "limit/" > limit()< / a >
< li > < a href = "offset/" > offset()< / a >
< li > < a href = "order-by/" > order_by()< / a >
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< li > < a href = "self/" > self< / a >
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< h1 > < i class = "glyphicon glyphicon-leaf" > < / i > < code class = "mod" > lektor.db.< / code > < code class = "obj" > Query< / code > < / h1 >
< ul class = page-meta >
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< p > The query class is used to filter queries to the database. It's available
through either the < a href = "../pad/" class = "ref" > Pad< / a > or through things like the
< a href = "../record/children/" class = "ref" > children< / a > property of records.< / p >
< p > Most operations on a query object return another one which will return a
more filtered result.< / p >
< h2 id = "example" > Example< / h2 > < p > Here a basic example of how to filter something in a template:< / p >
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< div class = "hll" > < pre > < span > < / span > < span class = "p" > < < / span > < span class = "nt" > ul< / span > < span class = "p" > > < / span >
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< span class = "cp" > {%< / span > < span class = "k" > for< / span > < span class = "nv" > item< / span > < span class = "k" > in< / span > < span class = "nv" > this.children.filter< / span > < span class = "o" > (< / span > < span class = "nv" > F.status< / span > < span class = "o" > ==< / span > < span class = "s1" > ' published' < / span > < span class = "o" > )< / span > < span class = "cp" > %}< / span >
< span class = "p" > < < / span > < span class = "nt" > li< / span > < span class = "p" > > < / span > < span class = "cp" > {{< / span > < span class = "nv" > item.title< / span > < span class = "cp" > }}< / span > < span class = "p" > < /< / span > < span class = "nt" > li< / span > < span class = "p" > > < / span >
< span class = "cp" > {%< / span > < span class = "k" > endfor< / span > < span class = "cp" > %}< / span >
< span class = "p" > < /< / span > < span class = "nt" > ul< / span > < span class = "p" > > < / span >
< / pre > < / div >
< div class = "child-pages nocontent" >
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< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "all/" > all()< / a >
< / h4 >
< p class = "summary" > Returns all matching records as list.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "count/" > count()< / a >
< / h4 >
< p class = "summary" > Counts the total number of records a query matches.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "distinct/" > distinct()< / a >
< / h4 >
< p class = "summary" > Returns the set of unique values for a field.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "filter/" > filter()< / a >
< / h4 >
< p class = "summary" > Filters a query down by an expression.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "first/" > first()< / a >
< / h4 >
< p class = "summary" > Returns the first matching record.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "get/" > get()< / a >
< / h4 >
< p class = "summary" > Looks up an item by ID.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "include-hidden/" > include_hidden()< / a >
< / h4 >
< p class = "summary" > Changes the query so that it includes or does not include hidden records.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "include-undiscoverable/" > include_undiscoverable()< / a >
< / h4 >
< p class = "summary" > Controls what happens to records that are not discoverable.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "limit/" > limit()< / a >
< / h4 >
< p class = "summary" > Limits the total number of items returned.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "offset/" > offset()< / a >
< / h4 >
< p class = "summary" > Skips a certain number of records.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "order-by/" > order_by()< / a >
< / h4 >
< p class = "summary" > Changes the ordering of the query.< / p >
< / div >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-cog" > < / i >
< a href = "request-page/" > request_page()< / a >
< / h4 >
< p class = "summary" > Requests a specific page from a pagination.< / p >
< / div >
< / div >
< div class = "row" >
< div class = "col-md-6 child" >
< h4 >
< i class = "glyphicon glyphicon-info-sign" > < / i >
< a href = "self/" > self< / a >
< / h4 >
< p class = "summary" > Returns the item at the query itself.< / p >
< / div >
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