Add tests for text

Author: romulets

x-pack/plugin/esql/qa/testFixtures/src/main/resources/data/logs.csv

@@ -1,5 +1,8 @@
-@timestamp:date         ,system:keyword,message:keyword
+@timestamp:date         ,system:keyword,message:text
 2023-10-23T13:55:01.543Z,          ping,Pinging 192.168.86.046
-2023-10-23T13:55:01.544Z,          cron,Running cats
+2023-10-23T13:55:01.544Z,          cron,Running cats (cycle 1)
 2023-10-23T13:55:01.545Z,          java,Doing java stuff for 192.168.86.038
 2023-10-23T13:55:01.546Z,          java,More java stuff
+2023-10-23T13:56:01.543Z,          ping,No response
+2023-10-23T13:56:01.544Z,          cron,Running cats (cycle 2)
+2023-10-23T13:57:01.544Z,          cron,Running cats (cycle 3)

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

@@ -301,20 +301,20 @@ convertFromStringFancy
 required_capability: to_ip_leading_zeros
 FROM logs
 | KEEP @timestamp, system, message
+| LIMIT 4
 | EVAL client = CASE(
     system == "ping",
         TO_IP(REPLACE(message, "Pinging ", ""), {"leading_zeros": "octal"}),
     system == "java" AND STARTS_WITH(message, "Doing java stuff for "),
         TO_IP(REPLACE(message, "Doing java stuff for ", ""), {"leading_zeros": "decimal"}))
 | SORT @timestamp
-| LIMIT 4
 ;
 
-@timestamp:date         |system:keyword|message:keyword                    |client:ip
-2023-10-23T13:55:01.543Z|          ping|Pinging 192.168.86.046             |192.168.86.38
-2023-10-23T13:55:01.544Z|          cron|Running cats                       |null
-2023-10-23T13:55:01.545Z|          java|Doing java stuff for 192.168.86.038|192.168.86.38
-2023-10-23T13:55:01.546Z|          java|More java stuff                    |null
+@timestamp:datetime      | system:keyword | message:text                        | client:ip
+2023-10-23T13:55:01.543Z | ping           | Pinging 192.168.86.046              | 192.168.86.38
+2023-10-23T13:55:01.544Z | cron           | Running cats (cycle 1)              | null
+2023-10-23T13:55:01.545Z | java           | Doing java stuff for 192.168.86.038 | 192.168.86.38
+2023-10-23T13:55:01.546Z | java           | More java stuff                     | null
 ;
 
 toIpInAgg#[skip:-8.12.99,reason:StatsNestedExp introduced in v8.13.0]

x-pack/plugin/esql/qa/testFixtures/src/main/resources/mapping-logs.json

@@ -7,7 +7,7 @@
           "type" : "keyword"
         },
         "message" : {
-            "type" : "keyword"
+            "type" : "text"
         }
     }
 }

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

@@ -127,3 +127,15 @@ Sailaja                | 1996-01-01T00:00:00.000Z
 Suzette                | 1997-01-01T00:00:00.000Z
 Lillian                | 1999-01-01T00:00:00.000Z
 ;
+
+first_text_by_system
+required_capability: agg_first_last
+FROM logs
+| STATS message = FIRST(message, @timestamp) BY system
+; 
+
+message:text                        | system:keyword
+Pinging 192.168.86.046              | ping
+Running cats (cycle 1)              | cron
+Doing java stuff for 192.168.86.038 | java
+;

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

@@ -127,3 +127,15 @@ Sailaja                 | 1996-01-01T00:00:00.000Z
 Suzette                 | 1997-01-01T00:00:00.000Z
 Lillian                 | 1999-01-01T00:00:00.000Z
 ;
+
+last_text_by_system
+required_capability: agg_first_last
+FROM logs
+| STATS message = LAST(message, @timestamp) BY system
+; 
+
+message:text            | system:keyword
+No response             | ping
+Running cats (cycle 3)  | cron
+More java stuff         | java
+;