diff --git a/internal/endtoend/testdata/mysql_reference_manual/README.md b/internal/endtoend/testdata/mysql_reference_manual/README.md
new file mode 100644
index 0000000000..95a4cbfc24
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/README.md
@@ -0,0 +1,2 @@
+All queries and examples in this directory come from the [MySQL Reference
+Manual](https://dev.mysql.com/doc/refman/8.0/en/).
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_add.sql b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_add.sql
new file mode 100644
index 0000000000..299f20d80d
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_add.sql
@@ -0,0 +1,24 @@
+-- https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-add
+
+-- name: DateAddOneDay :one
+SELECT DATE_ADD('2018-05-01',INTERVAL 1 DAY);
+
+-- name: DateAddOneSecond :one
+SELECT DATE_ADD('2020-12-31 23:59:59',
+                INTERVAL 1 SECOND);
+
+-- name: DateAddTimestampOneSecond :one
+SELECT DATE_ADD('2018-12-31 23:59:59',
+                INTERVAL 1 DAY);
+
+-- name: DateAddMinuteSecond :one
+SELECT DATE_ADD('2100-12-31 23:59:59',
+                INTERVAL '1:1' MINUTE_SECOND);
+
+-- name: DateAddDayHour :one
+SELECT DATE_ADD('1900-01-01 00:00:00',
+                INTERVAL '-1 10' DAY_HOUR);
+
+-- name: DateAddSecondMicrosecond :one
+SELECT DATE_ADD('1992-12-31 23:59:59.000002',
+           INTERVAL '1.999999' SECOND_MICROSECOND);
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_sub.sql b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_sub.sql
new file mode 100644
index 0000000000..0e1af3f38b
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/date_sub.sql
@@ -0,0 +1,9 @@
+-- name: DateSubOneYear :one
+SELECT DATE_SUB('2018-05-01',INTERVAL 1 YEAR);
+
+-- name: DateSubDaySecond :one
+SELECT DATE_SUB('2025-01-01 00:00:00',
+                INTERVAL '1 1:1:1' DAY_SECOND);
+
+-- name: DateSub31Days :one
+SELECT DATE_SUB('1998-01-02', INTERVAL 31 DAY);
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_add.sql.go b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_add.sql.go
new file mode 100644
index 0000000000..051c7808b5
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_add.sql.go
@@ -0,0 +1,82 @@
+// Code generated by sqlc. DO NOT EDIT.
+// source: date_add.sql
+
+package date_and_time_functions
+
+import (
+	"context"
+	"time"
+)
+
+const dateAddDayHour = `-- name: DateAddDayHour :one
+SELECT DATE_ADD('1900-01-01 00:00:00',
+                INTERVAL '-1 10' DAY_HOUR)
+`
+
+func (q *Queries) DateAddDayHour(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddDayHour)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
+
+const dateAddMinuteSecond = `-- name: DateAddMinuteSecond :one
+SELECT DATE_ADD('2100-12-31 23:59:59',
+                INTERVAL '1:1' MINUTE_SECOND)
+`
+
+func (q *Queries) DateAddMinuteSecond(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddMinuteSecond)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
+
+const dateAddOneDay = `-- name: DateAddOneDay :one
+
+SELECT DATE_ADD('2018-05-01',INTERVAL 1 DAY)
+`
+
+// https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-add
+func (q *Queries) DateAddOneDay(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddOneDay)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
+
+const dateAddOneSecond = `-- name: DateAddOneSecond :one
+SELECT DATE_ADD('2020-12-31 23:59:59',
+                INTERVAL 1 SECOND)
+`
+
+func (q *Queries) DateAddOneSecond(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddOneSecond)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
+
+const dateAddSecondMicrosecond = `-- name: DateAddSecondMicrosecond :one
+SELECT DATE_ADD('1992-12-31 23:59:59.000002',
+           INTERVAL '1.999999' SECOND_MICROSECOND)
+`
+
+func (q *Queries) DateAddSecondMicrosecond(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddSecondMicrosecond)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
+
+const dateAddTimestampOneSecond = `-- name: DateAddTimestampOneSecond :one
+SELECT DATE_ADD('2018-12-31 23:59:59',
+                INTERVAL 1 DAY)
+`
+
+func (q *Queries) DateAddTimestampOneSecond(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateAddTimestampOneSecond)
+	var date_add time.Time
+	err := row.Scan(&date_add)
+	return date_add, err
+}
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_sub.sql.go b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_sub.sql.go
new file mode 100644
index 0000000000..00c8381932
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/date_sub.sql.go
@@ -0,0 +1,43 @@
+// Code generated by sqlc. DO NOT EDIT.
+// source: date_sub.sql
+
+package date_and_time_functions
+
+import (
+	"context"
+	"time"
+)
+
+const dateSub31Days = `-- name: DateSub31Days :one
+SELECT DATE_SUB('1998-01-02', INTERVAL 31 DAY)
+`
+
+func (q *Queries) DateSub31Days(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateSub31Days)
+	var date_sub time.Time
+	err := row.Scan(&date_sub)
+	return date_sub, err
+}
+
+const dateSubDaySecond = `-- name: DateSubDaySecond :one
+SELECT DATE_SUB('2025-01-01 00:00:00',
+                INTERVAL '1 1:1:1' DAY_SECOND)
+`
+
+func (q *Queries) DateSubDaySecond(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateSubDaySecond)
+	var date_sub time.Time
+	err := row.Scan(&date_sub)
+	return date_sub, err
+}
+
+const dateSubOneYear = `-- name: DateSubOneYear :one
+SELECT DATE_SUB('2018-05-01',INTERVAL 1 YEAR)
+`
+
+func (q *Queries) DateSubOneYear(ctx context.Context) (time.Time, error) {
+	row := q.db.QueryRowContext(ctx, dateSubOneYear)
+	var date_sub time.Time
+	err := row.Scan(&date_sub)
+	return date_sub, err
+}
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/db.go b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/db.go
new file mode 100644
index 0000000000..71d119f9fc
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/db.go
@@ -0,0 +1,29 @@
+// Code generated by sqlc. DO NOT EDIT.
+
+package date_and_time_functions
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}
diff --git a/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/models.go b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/models.go
new file mode 100644
index 0000000000..97643eb3a2
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/date_and_time_functions/go/models.go
@@ -0,0 +1,5 @@
+// Code generated by sqlc. DO NOT EDIT.
+
+package date_and_time_functions
+
+import ()
diff --git a/internal/endtoend/testdata/mysql_reference_manual/sqlc.json b/internal/endtoend/testdata/mysql_reference_manual/sqlc.json
new file mode 100644
index 0000000000..31e209605f
--- /dev/null
+++ b/internal/endtoend/testdata/mysql_reference_manual/sqlc.json
@@ -0,0 +1,12 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "name": "date_and_time_functions",
+      "path": "date_and_time_functions/go",
+      "schema": "date_and_time_functions",
+      "queries": "date_and_time_functions",
+      "engine": "mysql"
+    }
+  ]
+}
diff --git a/internal/engine/dolphin/stdlib.go b/internal/engine/dolphin/stdlib.go
index 1add891874..9744fea435 100644
--- a/internal/engine/dolphin/stdlib.go
+++ b/internal/engine/dolphin/stdlib.go
@@ -630,6 +630,9 @@ func defaultSchema(name string) *catalog.Schema {
 				{
 					Type: &ast.TypeName{Name: "any"},
 				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
 			},
 			ReturnType: &ast.TypeName{Name: "date"},
 		},
@@ -666,6 +669,9 @@ func defaultSchema(name string) *catalog.Schema {
 				{
 					Type: &ast.TypeName{Name: "any"},
 				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
 			},
 			ReturnType: &ast.TypeName{Name: "date"},
 		},