Merging cockroachdb + postgreSQL regex together. It work in all these cases:

`'field'::character varying`
`'field':::character varying`
`field::character varying`
`field:::character varying`

Author: rwrz

migrator.go

@@ -6,7 +6,6 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/jackc/pgx/v5"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	"gorm.io/gorm/migrator"
@@ -438,10 +437,7 @@ func (m Migrator) ColumnTypes(value interface{}) (columnTypes []gorm.ColumnType,
 			}
 
 			if column.DefaultValueValue.Valid {
-				column.DefaultValueValue.String = regexp.MustCompile(`'(.*)'::[\w\s]+$`).ReplaceAllString(column.DefaultValueValue.String, "$1")
-				column.DefaultValueValue.String = regexp.MustCompile(`'(.*)'::[\w]+$`).ReplaceAllString(column.DefaultValueValue.String, "$1")
-				// cockroachdb, removing :::type
-				column.DefaultValueValue.String = regexp.MustCompile(`(.*):::[\w]+$`).ReplaceAllString(column.DefaultValueValue.String, "$1")
+				column.DefaultValueValue.String = regexp.MustCompile(`'?(.*)\b'?:+[\w\s]+$`).ReplaceAllString(column.DefaultValueValue.String, "$1")
 			}
 
 			if datetimePrecision.Valid {