fix: mysql primary error (#790)

database/schema/processors/mysql.go

@@ -58,5 +58,17 @@ func (r Mysql) ProcessForeignKeys(dbForeignKeys []schema.DBForeignKey) []schema.
 }
 
 func (r Mysql) ProcessIndexes(dbIndexes []schema.DBIndex) []schema.Index {
-	return processIndexes(dbIndexes)
+	var indexes []schema.Index
+	for _, dbIndex := range dbIndexes {
+		name := strings.ToLower(dbIndex.Name)
+		indexes = append(indexes, schema.Index{
+			Columns: strings.Split(dbIndex.Columns, ","),
+			Name:    name,
+			Type:    strings.ToLower(dbIndex.Type),
+			Primary: name == "primary",
+			Unique:  dbIndex.Unique,
+		})
+	}
+
+	return indexes
 }

database/schema/schema_test.go

@@ -2,6 +2,7 @@ package schema
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 	"time"
 
@@ -2033,6 +2034,40 @@ func (s *SchemaSuite) TestIndexMethods() {
 					}
 					s.False(index.Unique)
 				}
+				if index.Name == "name_index" {
+					s.ElementsMatch(index.Columns, []string{"name"})
+					s.False(index.Primary)
+					if driver == database.DriverSqlite {
+						s.Empty(index.Type)
+					} else if driver == database.DriverSqlserver {
+						s.Equal("nonclustered", index.Type)
+					} else {
+						s.Equal("btree", index.Type)
+					}
+					s.False(index.Unique)
+				}
+				if strings.HasPrefix(index.Name, "pk_") {
+					s.ElementsMatch(index.Columns, []string{"id"})
+					s.True(index.Primary)
+					s.Equal("clustered", index.Type)
+					s.True(index.Unique)
+				}
+				if index.Name == "primary" {
+					s.ElementsMatch(index.Columns, []string{"id"})
+					s.True(index.Primary)
+					if driver == database.DriverSqlite {
+						s.Empty(index.Type)
+					} else {
+						s.Equal("btree", index.Type)
+					}
+					s.True(index.Unique)
+				}
+				if index.Name == "goravel_indexes_pkey" {
+					s.ElementsMatch(index.Columns, []string{"id"})
+					s.True(index.Primary)
+					s.Equal("btree", index.Type)
+					s.True(index.Unique)
+				}
 			}
 
 			s.NoError(schema.Table(table, func(table contractsschema.Blueprint) {