Gorm postgreSQL Insert []string construct insert statement failed：INSERT INTO "tags" ("tag_names") VALUES (('tag1','tag2','tag3')) RETURNING "id"，It should be:INSERT INTO "tags" ("tag_names") VALUES (ARRAY['tag1', 'tag2', 'tag3']) RETURNING "id";

type Tag struct { ID uintgorm:"primaryKey"TagNames []stringgorm:"type:text[]"` // 指定为 PostgreSQL 的文本数组类型 }

tag := Tag{ TagNames: []string{"tag1", "tag2", "tag3"}, }

result := db.Create(&tag)
if result.Error != nil {
    t.Fatalf("failed to create tag: %v", result.Error)
}

output:

[1.699ms] [rows:0] INSERT INTO "tags" ("tag_names") VALUES (('tag1','tag2','tag3')) RETURNING "id" scan_result_test.go:101: failed to create tag: ERROR: column "tag_names" is of type text[] but expression is of type record (SQLSTATE 42804) --- FAIL: TestTest (0.00s) `

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Comment From: aleimu

import ( "github.com/google/uuid" "github.com/lib/pq" )

type Post struct { ID uuid.UUID gorm:"type:uuid;default:uuid_generate_v4()" Title string Tags pq.StringArray gorm:"type:text[]" }

use pq.StringArray!