feat(optimizer)!: annotate replace for mysql (#7774)

PiyaDaswadkar · web-flow · commit 719a34cea6f9 · 2026-06-21T17:19:08.000+03:00
diff --git a/sqlglot/typing/mysql.py b/sqlglot/typing/mysql.py
@@ -22,6 +22,7 @@
         expr_type: {"returns": exp.DType.VARCHAR}
         for expr_type in {
             exp.Elt,
+            exp.Replace,
         }
     },
     **{
diff --git a/tests/fixtures/optimizer/annotate_functions.sql b/tests/fixtures/optimizer/annotate_functions.sql
@@ -6081,6 +6081,10 @@ VARCHAR;
 CURRENT_TIMESTAMP();
 DATETIME;
 
+# dialect: mysql
+REPLACE(tbl.str_col, tbl.str_col, tbl.str_col);
+VARCHAR;
+
 --------------------------------------
 -- DuckDB
 --------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -22,6 +22,7 @@`
`22`	`22`	`expr_type: {"returns": exp.DType.VARCHAR}`
`23`	`23`	`for expr_type in {`
`24`	`24`	`exp.Elt,`
	`25`	`+ exp.Replace,`
`25`	`26`	`}`
`26`	`27`	`},`
`27`	`28`	`**{`