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34da0711ab
* add __timeGroup macro for mysql * put example __timeGroup query in frontend help * do __timeGroup interval parsing in go similar to mysql * ignore whitespace around interval
78 lines
2.9 KiB
HTML
78 lines
2.9 KiB
HTML
<query-editor-row query-ctrl="ctrl" can-collapse="false">
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<div class="gf-form-inline">
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<div class="gf-form gf-form--grow">
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<code-editor content="ctrl.target.rawSql" datasource="ctrl.datasource" on-change="ctrl.panelCtrl.refresh()" data-mode="sql">
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</code-editor>
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</div>
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</div>
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<div class="gf-form-inline">
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<div class="gf-form">
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<label class="gf-form-label query-keyword">Format as</label>
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<div class="gf-form-select-wrapper">
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<select class="gf-form-input gf-size-auto" ng-model="ctrl.target.format" ng-options="f.value as f.text for f in ctrl.formats" ng-change="ctrl.refresh()"></select>
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</div>
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</div>
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<div class="gf-form">
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<label class="gf-form-label query-keyword" ng-click="ctrl.showHelp = !ctrl.showHelp">
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Show Help
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<i class="fa fa-caret-down" ng-show="ctrl.showHelp"></i>
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<i class="fa fa-caret-right" ng-hide="ctrl.showHelp"></i>
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</label>
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</div>
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<div class="gf-form" ng-show="ctrl.lastQueryMeta">
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<label class="gf-form-label query-keyword" ng-click="ctrl.showLastQuerySQL = !ctrl.showLastQuerySQL">
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Generated SQL
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<i class="fa fa-caret-down" ng-show="ctrl.showLastQuerySQL"></i>
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<i class="fa fa-caret-right" ng-hide="ctrl.showLastQuerySQL"></i>
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</label>
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</div>
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<div class="gf-form gf-form--grow">
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<div class="gf-form-label gf-form-label--grow"></div>
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</div>
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</div>
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<div class="gf-form" ng-show="ctrl.showLastQuerySQL">
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<pre class="gf-form-pre">{{ctrl.lastQueryMeta.sql}}</pre>
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</div>
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<div class="gf-form" ng-show="ctrl.showHelp">
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<pre class="gf-form-pre alert alert-info">Time series:
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- return column named <i>time</i> (UTC in seconds or timestamp)
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- return column(s) with numeric datatype as values
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- (Optional: return column named <i>metric</i> to represent the series name. If no column named metric is found the column name of the value column is used as series name)
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Table:
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- return any set of columns
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Macros:
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- $__time(column) -> column as "time"
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- $__timeEpoch -> extract(epoch from column) as "time"
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- $__timeFilter(column) -> column ≥ to_timestamp(1492750877) AND column ≤ to_timestamp(1492750877)
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- $__unixEpochFilter(column) -> column > 1492750877 AND column < 1492750877
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- $__timeGroup(column,'5m') -> (extract(epoch from "dateColumn")/extract(epoch from '5m'::interval))::int
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Example of group by and order by with $__timeGroup:
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SELECT
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$__timeGroup(date_time_col, '1h') AS time,
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sum(value) as value
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FROM yourtable
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GROUP BY time
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ORDER BY time
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Or build your own conditionals using these macros which just return the values:
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- $__timeFrom() -> to_timestamp(1492750877)
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- $__timeTo() -> to_timestamp(1492750877)
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- $__unixEpochFrom() -> 1492750877
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- $__unixEpochTo() -> 1492750877
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</pre>
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</div>
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</div>
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<div class="gf-form" ng-show="ctrl.lastQueryError">
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<pre class="gf-form-pre alert alert-error">{{ctrl.lastQueryError}}</pre>
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</div>
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</query-editor-row>
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