Add m alias for minute duration literal

Author: felixbarny

docs/reference/query-languages/esql/esql-time-spans.md

@@ -120,7 +120,7 @@ POST /_query
 | week | w, weeks |
 | day | d, days |
 | hour | h, hours |
-| minute | min, minutes |
+| minute | m, min, minutes |
 | second | s, sec, seconds |
 | millisecond | ms, milliseconds |
 

x-pack/plugin/esql/qa/testFixtures/src/main/resources/tbucket.csv-spec

@@ -259,7 +259,7 @@ required_capability: tbucket
 FROM sample_data
 | WHERE client_ip IS NOT NULL
 | KEEP *stamp*, client_ip, event_duration
-| STATS p95 = PERCENTILE(event_duration, 95) BY ten_min = TBUCKET(10min), client_ip
+| STATS p95 = PERCENTILE(event_duration, 95) BY ten_min = TBUCKET(10m), client_ip
 ;
 ignoreOrder:true
 

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/type/EsqlDataTypeConverter.java

@@ -175,6 +175,7 @@ public enum INTERVALS {
         MINUTE,
         MINUTES,
         MIN,
+        M,
         HOUR,
         HOURS,
         H,
@@ -488,7 +489,7 @@ public static TemporalAmount parseTemporalAmount(Number value, String temporalUn
             return switch (INTERVALS.valueOf(temporalUnit.toUpperCase(Locale.ROOT))) {
                 case MILLISECOND, MILLISECONDS, MS -> Duration.ofMillis(safeToLong(value));
                 case SECOND, SECONDS, SEC, S -> Duration.ofSeconds(safeToLong(value));
-                case MINUTE, MINUTES, MIN -> Duration.ofMinutes(safeToLong(value));
+                case MINUTE, MINUTES, MIN, M -> Duration.ofMinutes(safeToLong(value));
                 case HOUR, HOURS, H -> Duration.ofHours(safeToLong(value));
 
                 case DAY, DAYS, D -> Period.ofDays(safeToInt(safeToLong(value)));

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/parser/ExpressionTests.java

@@ -393,6 +393,7 @@ public void testDurationLiterals() {
         assertEquals(l(Duration.ofMinutes(value), TIME_DURATION), whereExpression(value + "minute"));
         assertEquals(l(Duration.ofMinutes(value), TIME_DURATION), whereExpression(value + " minutes"));
         assertEquals(l(Duration.ofMinutes(value), TIME_DURATION), whereExpression(value + " min"));
+        assertEquals(l(Duration.ofMinutes(value), TIME_DURATION), whereExpression(value + " m"));
 
         assertEquals(l(Duration.ZERO, TIME_DURATION), whereExpression("0 hour"));
         assertEquals(l(Duration.ofHours(value), TIME_DURATION), whereExpression(value + "hour"));