Fix function_name to support REPLACE

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Fix a compilation error with migration files when CREATE UNIQUE INDEX referenced by FOREIGN KEY (https://github.com/sqldelight/sql-psi/pull/732)
 - Fix insert statement exposes columns to a select statement when used as the row source (https://github.com/sqldelight/sql-psi/pull/750)
 - Add rules ANY and ALL for dialects to use as SqlTypes (https://github.com/sqldelight/sql-psi/pull/760)
+- Support REPLACE as a function name (https://github.com/sqldelight/sql-psi/pull/773)
 
 ## [0.7.3] - 2026-03-13
 [0.7.3]: https://github.com/sqldelight/sql-psi/releases/tag/0.7.3

core/src/main/kotlin/com/alecstrong/sql/psi/core/sql.bnf

@@ -464,7 +464,7 @@ foreign_table ::= id | string {
 }
 identifier ::= id
 pragma_name ::= id
-function_name ::= id
+function_name ::= id | REPLACE
 string_literal ::= string
 table_or_index_name ::= id
 new_table_name ::= id | string {

core/src/testFixtures/resources/fixtures/function-replace/Test.s

@@ -0,0 +1,6 @@
+CREATE TABLE foo (
+  value TEXT
+);
+
+SELECT REPLACE(value, 'foo', 'bar')
+FROM foo;