parser: support like clause in create foreign table

Author: sbdchd

PLAN.md

@@ -791,6 +791,22 @@ type: string
 -- id of the customer that rents the CPU
 ```
 
+#### Star
+
+```sql
+select * from (select case
+--     ^$ hover
+  when random() > 0.5 then
+  	true
+  else
+    false
+  end)
+```
+
+```
+("case": boolean)
+```
+
 ### Semantic Syntax Highlighting
 
 https://code.visualstudio.com/api/language-extensions/semantic-highlight-guide

crates/squawk_parser/src/generated/syntax_kind.rs

@@ -3811,17 +3811,18 @@ const LIKE_OPTION: TokenSet = TokenSet::new(&[
 
 // where like_option is:
 //   { INCLUDING | EXCLUDING } { COMMENTS | COMPRESSION | CONSTRAINTS | DEFAULTS | GENERATED | IDENTITY | INDEXES | STATISTICS | STORAGE | ALL }
-fn like_option(p: &mut Parser<'_>) -> bool {
+fn opt_like_option(p: &mut Parser<'_>) -> Option<CompletedMarker> {
     if p.at(INCLUDING_KW) || p.at(EXCLUDING_KW) {
+        let m = p.start();
         p.bump_any();
         if p.at_ts(LIKE_OPTION) {
             p.bump_any();
         } else {
-            p.error("expected like option");
+            p.err_and_bump(&format!("expected like option, got {:?}", p.current()));
         }
-        true
+        Some(m.complete(p, LIKE_OPTION))
     } else {
-        false
+        None
     }
 }
 
@@ -4235,7 +4236,7 @@ fn like_clause(p: &mut Parser<'_>) -> CompletedMarker {
     p.bump(LIKE_KW);
     path_name_ref(p);
     while !p.at(EOF) {
-        if !like_option(p) {
+        if opt_like_option(p).is_none() {
             break;
         }
     }
@@ -8522,6 +8523,8 @@ fn create_foreign_table(p: &mut Parser<'_>) -> CompletedMarker {
         while !p.at(EOF) && !p.at(R_PAREN) {
             if p.at_ts(TABLE_CONSTRAINT_FIRST) {
                 table_constraint(p);
+            } else if p.at(LIKE_KW) {
+                like_clause(p);
             } else {
                 name(p);
                 type_name(p);

crates/squawk_parser/src/grammar.rs

@@ -0,0 +1,15 @@
+-- like clause is >=pg18
+create foreign table u (
+  like t
+) server s;
+
+-- like clause is >=pg18
+create foreign table remote_users (
+  like local_users
+    including defaults
+    including constraints
+    excluding generated
+    excluding statistics
+    excluding all
+) server remote_server;
+

crates/squawk_parser/tests/data/ok/create_foreign_table_pg18.sql

@@ -23,6 +23,16 @@ create table t (
   unique (a without overlaps)
 );
 
+
+-- primary key without overlaps
+create table t (
+    a text,
+    b text,
+    c text,
+    constraint pk 
+        primary key (a, b, c without overlaps)
+);
+
 -- temporal_primary_key
 CREATE TABLE addresses (
     id int8 generated BY DEFAULT AS IDENTITY,

crates/squawk_parser/tests/data/ok/create_table_pg17.sql

@@ -0,0 +1,89 @@
+---
+source: crates/squawk_parser/tests/tests.rs
+input_file: crates/squawk_parser/tests/data/ok/create_foreign_table_pg18.sql
+---
+SOURCE_FILE
+  COMMENT "-- like clause is >=pg18"
+  WHITESPACE "\n"
+  CREATE_FOREIGN_TABLE
+    CREATE_KW "create"
+    WHITESPACE " "
+    FOREIGN_KW "foreign"
+    WHITESPACE " "
+    TABLE_KW "table"
+    WHITESPACE " "
+    PATH
+      PATH_SEGMENT
+        NAME
+          IDENT "u"
+    WHITESPACE " "
+    L_PAREN "("
+    WHITESPACE "\n  "
+    LIKE_CLAUSE
+      LIKE_KW "like"
+      WHITESPACE " "
+      PATH
+        PATH_SEGMENT
+          NAME_REF
+            IDENT "t"
+    WHITESPACE "\n"
+    R_PAREN ")"
+    WHITESPACE " "
+    SERVER_KW "server"
+    WHITESPACE " "
+    NAME_REF
+      IDENT "s"
+  SEMICOLON ";"
+  WHITESPACE "\n\n"
+  COMMENT "-- like clause is >=pg18"
+  WHITESPACE "\n"
+  CREATE_FOREIGN_TABLE
+    CREATE_KW "create"
+    WHITESPACE " "
+    FOREIGN_KW "foreign"
+    WHITESPACE " "
+    TABLE_KW "table"
+    WHITESPACE " "
+    PATH
+      PATH_SEGMENT
+        NAME
+          IDENT "remote_users"
+    WHITESPACE " "
+    L_PAREN "("
+    WHITESPACE "\n  "
+    LIKE_CLAUSE
+      LIKE_KW "like"
+      WHITESPACE " "
+      PATH
+        PATH_SEGMENT
+          NAME_REF
+            IDENT "local_users"
+      WHITESPACE "\n    "
+      INCLUDING_KW "including"
+      WHITESPACE " "
+      DEFAULTS_KW "defaults"
+      WHITESPACE "\n    "
+      INCLUDING_KW "including"
+      WHITESPACE " "
+      CONSTRAINTS_KW "constraints"
+      WHITESPACE "\n    "
+      EXCLUDING_KW "excluding"
+      WHITESPACE " "
+      GENERATED_KW "generated"
+      WHITESPACE "\n    "
+      EXCLUDING_KW "excluding"
+      WHITESPACE " "
+      STATISTICS_KW "statistics"
+      WHITESPACE "\n    "
+      EXCLUDING_KW "excluding"
+      WHITESPACE " "
+      ALL_KW "all"
+    WHITESPACE "\n"
+    R_PAREN ")"
+    WHITESPACE " "
+    SERVER_KW "server"
+    WHITESPACE " "
+    NAME_REF
+      IDENT "remote_server"
+  SEMICOLON ";"
+  WHITESPACE "\n\n"

crates/squawk_parser/tests/snapshots/tests__create_foreign_table_pg18_ok.snap

@@ -286,6 +286,88 @@ SOURCE_FILE
       WHITESPACE "\n"
       R_PAREN ")"
   SEMICOLON ";"
+  WHITESPACE "\n\n\n"
+  CREATE_TABLE
+    COMMENT "-- primary key without overlaps"
+    WHITESPACE "\n"
+    CREATE_KW "create"
+    WHITESPACE " "
+    TABLE_KW "table"
+    WHITESPACE " "
+    PATH
+      PATH_SEGMENT
+        NAME
+          IDENT "t"
+    WHITESPACE " "
+    TABLE_ARG_LIST
+      L_PAREN "("
+      WHITESPACE "\n    "
+      COLUMN
+        NAME
+          IDENT "a"
+        WHITESPACE " "
+        PATH_TYPE
+          PATH
+            PATH_SEGMENT
+              NAME_REF
+                TEXT_KW "text"
+      COMMA ","
+      WHITESPACE "\n    "
+      COLUMN
+        NAME
+          IDENT "b"
+        WHITESPACE " "
+        PATH_TYPE
+          PATH
+            PATH_SEGMENT
+              NAME_REF
+                TEXT_KW "text"
+      COMMA ","
+      WHITESPACE "\n    "
+      COLUMN
+        NAME
+          IDENT "c"
+        WHITESPACE " "
+        PATH_TYPE
+          PATH
+            PATH_SEGMENT
+              NAME_REF
+                TEXT_KW "text"
+      COMMA ","
+      WHITESPACE "\n    "
+      PRIMARY_KEY_CONSTRAINT
+        CONSTRAINT_KW "constraint"
+        WHITESPACE " "
+        NAME
+          IDENT "pk"
+        WHITESPACE " \n        "
+        PRIMARY_KW "primary"
+        WHITESPACE " "
+        KEY_KW "key"
+        WHITESPACE " "
+        COLUMN_LIST
+          L_PAREN "("
+          COLUMN
+            NAME_REF
+              IDENT "a"
+          COMMA ","
+          WHITESPACE " "
+          COLUMN
+            NAME_REF
+              IDENT "b"
+          COMMA ","
+          WHITESPACE " "
+          COLUMN
+            NAME_REF
+              IDENT "c"
+          WHITESPACE " "
+          WITHOUT_KW "without"
+          WHITESPACE " "
+          OVERLAPS_KW "overlaps"
+          R_PAREN ")"
+      WHITESPACE "\n"
+      R_PAREN ")"
+  SEMICOLON ";"
   WHITESPACE "\n\n"
   CREATE_TABLE
     COMMENT "-- temporal_primary_key"

crates/squawk_parser/tests/snapshots/tests__create_table_pg17_ok.snap

@@ -495,8 +495,18 @@ Truncate =
   ('restart' 'identity' | 'continue' 'identity')?
   ('cascade' | 'restrict')?
 
+LikeOption =
+  ('including' | 'excluding') 
+  ('comments'
+  | 'compression'
+  | 'constraints'
+  | 'defaults'
+  | 'generated'
+  | 'identity'
+  | 'indexes')
+
 LikeClause =
-  'like'
+  'like' LikeOption*
 
 WhereClause =
   'where' Expr

crates/squawk_syntax/src/ast/generated/nodes.rs

@@ -1,7 +1,7 @@
 // synced from: 
-//   commit: cb1456423d3925f9c70a488b58f03f186561f00f
-//   committed at: 2025-05-22T21:14:54Z
-//   file: https://github.com/postgres/postgres/blob/cb1456423d3925f9c70a488b58f03f186561f00f/src/include/parser/kwlist.h
+//   commit: b0fb2c6aa5a485e28210e13ae5536c1231b1261f
+//   committed at: 2025-09-27T21:17:51Z
+//   file: https://github.com/postgres/postgres/blob/b0fb2c6aa5a485e28210e13ae5536c1231b1261f/src/include/parser/kwlist.h
 //
 // update via:
 //   cargo xtask sync-kwlist