Documentation ¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
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var ( // WithGlobalUniqueID sets the universal ids options to the migration. // If this option is enabled, ent migration will allocate a 1<<32 range // for the ids of each entity (table). // Note that this option cannot be applied on tables that already exist. WithGlobalUniqueID = schema.WithGlobalUniqueID // WithDropColumn sets the drop column option to the migration. // If this option is enabled, ent migration will drop old columns // that were used for both fields and edges. This defaults to false. WithDropColumn = schema.WithDropColumn // WithDropIndex sets the drop index option to the migration. // If this option is enabled, ent migration will drop old indexes // that were defined in the schema. This defaults to false. // Note that unique constraints are defined using `UNIQUE INDEX`, // and therefore, it's recommended to enable this option to get more // flexibility in the schema changes. WithDropIndex = schema.WithDropIndex // WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true. WithForeignKeys = schema.WithForeignKeys )
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var ( // CarColumns holds the columns for the "Car" table. CarColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "user_car", Type: field.TypeInt, Unique: true, Nullable: true}, } // CarTable holds the schema information for the "Car" table. CarTable = &schema.Table{ Name: "Car", Columns: CarColumns, PrimaryKey: []*schema.Column{CarColumns[0]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "Car_users_car", Columns: []*schema.Column{CarColumns[1]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.SetNull, }, }, } // ConversionsColumns holds the columns for the "conversions" table. ConversionsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString, Nullable: true}, {Name: "int8_to_string", Type: field.TypeInt8, Nullable: true}, {Name: "uint8_to_string", Type: field.TypeUint8, Nullable: true}, {Name: "int16_to_string", Type: field.TypeInt16, Nullable: true}, {Name: "uint16_to_string", Type: field.TypeUint16, Nullable: true}, {Name: "int32_to_string", Type: field.TypeInt32, Nullable: true}, {Name: "uint32_to_string", Type: field.TypeUint32, Nullable: true}, {Name: "int64_to_string", Type: field.TypeInt64, Nullable: true}, {Name: "uint64_to_string", Type: field.TypeUint64, Nullable: true}, } // ConversionsTable holds the schema information for the "conversions" table. ConversionsTable = &schema.Table{ Name: "conversions", Columns: ConversionsColumns, PrimaryKey: []*schema.Column{ConversionsColumns[0]}, } // CustomTypesColumns holds the columns for the "custom_types" table. CustomTypesColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "custom", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "customtype"}}, } // CustomTypesTable holds the schema information for the "custom_types" table. CustomTypesTable = &schema.Table{ Name: "custom_types", Columns: CustomTypesColumns, PrimaryKey: []*schema.Column{CustomTypesColumns[0]}, } // UsersColumns holds the columns for the "users" table. UsersColumns = []*schema.Column{ {Name: "oid", Type: field.TypeInt, Increment: true}, {Name: "age", Type: field.TypeInt32}, {Name: "name", Type: field.TypeString, Size: 10}, {Name: "description", Type: field.TypeString, Nullable: true, Size: 2147483647}, {Name: "nickname", Type: field.TypeString, Unique: true}, {Name: "address", Type: field.TypeString, Nullable: true}, {Name: "renamed", Type: field.TypeString, Nullable: true}, {Name: "old_token", Type: field.TypeString}, {Name: "blob", Type: field.TypeBytes, Nullable: true, Size: 255}, {Name: "state", Type: field.TypeEnum, Nullable: true, Enums: []string{"logged_in", "logged_out"}, Default: "logged_in"}, {Name: "status", Type: field.TypeString, Nullable: true}, {Name: "workplace", Type: field.TypeString, Nullable: true, Size: 30}, {Name: "drop_optional", Type: field.TypeString, Nullable: true}, {Name: "user_children", Type: field.TypeInt, Nullable: true}, {Name: "user_spouse", Type: field.TypeInt, Unique: true, Nullable: true}, } // UsersTable holds the schema information for the "users" table. UsersTable = &schema.Table{ Name: "users", Columns: UsersColumns, PrimaryKey: []*schema.Column{UsersColumns[0]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "users_users_children", Columns: []*schema.Column{UsersColumns[13]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.SetNull, }, { Symbol: "users_users_spouse", Columns: []*schema.Column{UsersColumns[14]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.SetNull, }, }, Indexes: []*schema.Index{ { Name: "user_description", Unique: false, Columns: []*schema.Column{UsersColumns[3]}, Annotation: &entsql.IndexAnnotation{ Prefix: 50, }, }, { Name: "user_name_address", Unique: true, Columns: []*schema.Column{UsersColumns[2], UsersColumns[5]}, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ CarTable, ConversionsTable, CustomTypesTable, UsersTable, } )
Functions ¶
Types ¶
type Schema ¶
type Schema struct {
// contains filtered or unexported fields
}
Schema is the API for creating, migrating and dropping a schema.
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