[ES|QL] Update grammars (elastic#215621)

This PR updates the ES|QL grammars (lexer and parser) to match the
latest version in Elasticsearch.

---------

Co-authored-by: Stratoula Kalafateli <[email protected]>

Author: 2 people

src/platform/packages/shared/kbn-esql-ast/src/antlr/esql_lexer.g4

@@ -64,7 +64,6 @@ import ChangePoint,
        Fork,
        Join,
        Lookup,
-       Metrics,
        MvExpand,
        Project,
        Rrf,

src/platform/packages/shared/kbn-esql-ast/src/antlr/esql_lexer.interp

@@ -14,13 +14,13 @@ STATS=13
 WHERE=14
 DEV_INLINESTATS=15
 FROM=16
-DEV_FORK=17
-JOIN_LOOKUP=18
-DEV_JOIN_FULL=19
-DEV_JOIN_LEFT=20
-DEV_JOIN_RIGHT=21
-DEV_LOOKUP=22
-DEV_METRICS=23
+DEV_METRICS=17
+DEV_FORK=18
+JOIN_LOOKUP=19
+DEV_JOIN_FULL=20
+DEV_JOIN_LEFT=21
+DEV_JOIN_RIGHT=22
+DEV_LOOKUP=23
 MV_EXPAND=24
 DROP=25
 KEEP=26
@@ -119,27 +119,21 @@ LOOKUP_WS=118
 LOOKUP_FIELD_LINE_COMMENT=119
 LOOKUP_FIELD_MULTILINE_COMMENT=120
 LOOKUP_FIELD_WS=121
-METRICS_LINE_COMMENT=122
-METRICS_MULTILINE_COMMENT=123
-METRICS_WS=124
-CLOSING_METRICS_LINE_COMMENT=125
-CLOSING_METRICS_MULTILINE_COMMENT=126
-CLOSING_METRICS_WS=127
-MVEXPAND_LINE_COMMENT=128
-MVEXPAND_MULTILINE_COMMENT=129
-MVEXPAND_WS=130
-ID_PATTERN=131
-PROJECT_LINE_COMMENT=132
-PROJECT_MULTILINE_COMMENT=133
-PROJECT_WS=134
-AS=135
-RENAME_LINE_COMMENT=136
-RENAME_MULTILINE_COMMENT=137
-RENAME_WS=138
-INFO=139
-SHOW_LINE_COMMENT=140
-SHOW_MULTILINE_COMMENT=141
-SHOW_WS=142
+MVEXPAND_LINE_COMMENT=122
+MVEXPAND_MULTILINE_COMMENT=123
+MVEXPAND_WS=124
+ID_PATTERN=125
+PROJECT_LINE_COMMENT=126
+PROJECT_MULTILINE_COMMENT=127
+PROJECT_WS=128
+AS=129
+RENAME_LINE_COMMENT=130
+RENAME_MULTILINE_COMMENT=131
+RENAME_WS=132
+INFO=133
+SHOW_LINE_COMMENT=134
+SHOW_MULTILINE_COMMENT=135
+SHOW_WS=136
 'enrich'=5
 'explain'=6
 'dissect'=7
@@ -151,7 +145,7 @@ SHOW_WS=142
 'stats'=13
 'where'=14
 'from'=16
-'lookup'=18
+'lookup'=19
 'mv_expand'=24
 'drop'=25
 'keep'=26
@@ -201,5 +195,5 @@ SHOW_WS=142
 'metadata'=103
 'join'=111
 'USING'=112
-'as'=135
-'info'=139
+'as'=129
+'info'=133

src/platform/packages/shared/kbn-esql-ast/src/antlr/esql_lexer.tokens

@@ -87,7 +87,15 @@ field
     ;
 
 fromCommand
-    : FROM indexPattern (COMMA indexPattern)* metadata?
+    : FROM indexPatternAndMetadataFields
+    ;
+
+metricsCommand
+    : DEV_METRICS indexPatternAndMetadataFields
+    ;
+
+indexPatternAndMetadataFields:
+    indexPattern (COMMA indexPattern)* metadata?
     ;
 
 indexPattern
@@ -108,10 +116,6 @@ metadata
     : METADATA UNQUOTED_SOURCE (COMMA UNQUOTED_SOURCE)*
     ;
 
-metricsCommand
-    : DEV_METRICS indexPattern (COMMA indexPattern)* aggregates=aggFields? (BY grouping=fields)?
-    ;
-
 evalCommand
     : EVAL fields
     ;
@@ -279,4 +283,4 @@ forkSubQueryProcessingCommand
 
 rrfCommand
    : DEV_RRF
-   ;
+   ;

src/platform/packages/shared/kbn-esql-ast/src/antlr/esql_lexer.ts

@@ -14,13 +14,13 @@ STATS=13
 WHERE=14
 DEV_INLINESTATS=15
 FROM=16
-DEV_FORK=17
-JOIN_LOOKUP=18
-DEV_JOIN_FULL=19
-DEV_JOIN_LEFT=20
-DEV_JOIN_RIGHT=21
-DEV_LOOKUP=22
-DEV_METRICS=23
+DEV_METRICS=17
+DEV_FORK=18
+JOIN_LOOKUP=19
+DEV_JOIN_FULL=20
+DEV_JOIN_LEFT=21
+DEV_JOIN_RIGHT=22
+DEV_LOOKUP=23
 MV_EXPAND=24
 DROP=25
 KEEP=26
@@ -119,27 +119,21 @@ LOOKUP_WS=118
 LOOKUP_FIELD_LINE_COMMENT=119
 LOOKUP_FIELD_MULTILINE_COMMENT=120
 LOOKUP_FIELD_WS=121
-METRICS_LINE_COMMENT=122
-METRICS_MULTILINE_COMMENT=123
-METRICS_WS=124
-CLOSING_METRICS_LINE_COMMENT=125
-CLOSING_METRICS_MULTILINE_COMMENT=126
-CLOSING_METRICS_WS=127
-MVEXPAND_LINE_COMMENT=128
-MVEXPAND_MULTILINE_COMMENT=129
-MVEXPAND_WS=130
-ID_PATTERN=131
-PROJECT_LINE_COMMENT=132
-PROJECT_MULTILINE_COMMENT=133
-PROJECT_WS=134
-AS=135
-RENAME_LINE_COMMENT=136
-RENAME_MULTILINE_COMMENT=137
-RENAME_WS=138
-INFO=139
-SHOW_LINE_COMMENT=140
-SHOW_MULTILINE_COMMENT=141
-SHOW_WS=142
+MVEXPAND_LINE_COMMENT=122
+MVEXPAND_MULTILINE_COMMENT=123
+MVEXPAND_WS=124
+ID_PATTERN=125
+PROJECT_LINE_COMMENT=126
+PROJECT_MULTILINE_COMMENT=127
+PROJECT_WS=128
+AS=129
+RENAME_LINE_COMMENT=130
+RENAME_MULTILINE_COMMENT=131
+RENAME_WS=132
+INFO=133
+SHOW_LINE_COMMENT=134
+SHOW_MULTILINE_COMMENT=135
+SHOW_WS=136
 'enrich'=5
 'explain'=6
 'dissect'=7
@@ -151,7 +145,7 @@ SHOW_WS=142
 'stats'=13
 'where'=14
 'from'=16
-'lookup'=18
+'lookup'=19
 'mv_expand'=24
 'drop'=25
 'keep'=26
@@ -201,5 +195,5 @@ SHOW_WS=142
 'metadata'=103
 'join'=111
 'USING'=112
-'as'=135
-'info'=139
+'as'=129
+'info'=133