Add Max(timestamp) tests to smoke-test (#2025)

* Add Max(timestamp) tests to smoke-test

run a Max() call on a timestamp field twice, and make sure the results are the same

* chmod +x

qa/testcases/bug-repros/fb-1371-datagen.yaml

@@ -0,0 +1,57 @@
+fields:
+  - name: "id"
+    type: uint
+    step: 1
+    distribution: "sequential"
+    min: 1
+    max: 200
+  - name: "segid"
+    type: "int" # (default IntField)
+    min: 0
+    max: 3
+    distribution: "zipfian"
+    s: 1.1
+    v: 5.1
+  - name: "ts"
+    type: "timestamp"
+    min_date: 2006-01-02T15:04:05.001Z # RFC3339Nano
+    max_date: 2022-01-02T15:04:05.001Z # RFC3339Nano
+    distribution: "increasing" # only "increasing" is supported right now
+    min_step_duration: "1ms"
+    max_step_duration: "200ms"
+  - name: "lastupdated"
+    type: "timestamp"
+    min_date: 2006-01-02T15:04:05.001Z # RFC3339Nano
+    max_date: 2022-01-02T15:04:05.001Z # RFC3339Nano
+    distribution: "increasing" # only "increasing" is supported right now
+    min_step_duration: "1ms"
+    max_step_duration: "200ms"
+  - name: "slice"
+    type: "uint-set" # (default IDArrayField)
+    min: 0
+    max: 35000
+    distribution: "zipfian"
+    s: 1.1
+    v: 5.1
+    min_num: 1
+    max_num: 50
+
+idk_params:
+  primary_key_config:
+    field: "id"
+  fields:
+    segid:
+      - type: "ID"
+    ts:
+      - type: "RecordTime"
+        layout: "2006-01-02T15:04:05Z"
+        epoch: 1970-01-01T00:00:00.0Z
+        name: "na"
+      - type: "Timestamp"
+        layout: "2006-01-02T15:04:05Z"
+        epoch: 1970-01-01T00:00:00.0Z
+        name: "last_update"
+        granularity: "s"
+    slice:
+      - type: "IDArray"
+        time_quantum: "D"

qa/testcases/bug-repros/fb-1371-test.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+ifErr() {
+    RESCODE=$?
+    if [[ $RESCODE != 0 ]]; then
+        echo $1
+        exit $RESCODE
+    fi
+}
+
+/data/datagen_linux_arm64 -s custom --custom-config=./fb-1371-datagen.yaml --pilosa.index=fb1371 --pilosa.batch-size=100 --pilosa.hosts=$1
+ifErr "datagenning fb1371"
+
+RES1=$( curl $1/index/fb1371/query -d 'Max(ts)' | jq '.results[0].timestampValue' )
+ifErr "getting Max 1"
+
+RES2=$( curl $1/index/fb1371/query -d 'Max(ts)' | jq '.results[0].timestampValue' )
+ifErr "getting Max 2"
+
+if [[ $RES1 != $RES2 ]]; then
+    echo "different Max after two calls"
+    echo "first: $RES1"
+    echo "second: $RES2"
+    exit 1
+fi