chore: log sample rate in query run context logs (#1459)

* chore: add sampling context logs

* comments

* typo

querybook/webapp/components/DataDocQueryCell/DataDocQueryCell.tsx

@@ -216,10 +216,6 @@ class DataDocQueryCellComponent extends React.PureComponent<IProps, IState> {
         return this.state.meta.limit ?? DEFAULT_ROW_LIMIT;
     }
 
-    public get sampleRate() {
-        return this.state.meta.sample_rate ?? -1;
-    }
-
     public get samplingTables() {
         const samplingTables = this.state.samplingTables;
         Object.keys(samplingTables).forEach((tableName) => {
@@ -232,6 +228,11 @@ class DataDocQueryCellComponent extends React.PureComponent<IProps, IState> {
         return Object.keys(this.samplingTables).length > 0;
     }
 
+    public get sampleRate() {
+        // -1 for tables don't support sampling, 0 for default sample rate (which means disable sampling)
+        return this.hasSamplingTables ? this.state.meta.sample_rate ?? 0 : -1;
+    }
+
     @decorate(memoizeOne)
     public _keyMapMemo(engines: IQueryEngine[]) {
         const keyMap = {
@@ -467,6 +468,7 @@ class DataDocQueryCellComponent extends React.PureComponent<IProps, IState> {
             element: ElementType.RUN_QUERY_BUTTON,
             aux: {
                 lintError: this.state.hasLintError,
+                sampleRate: this.sampleRate,
             },
         });
         return runQuery(