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 ( // MetaColumns holds the columns for the "meta" table. MetaColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString, Unique: true}, {Name: "create_time", Type: field.TypeTime}, {Name: "favorite", Type: field.TypeBool, Default: false}, {Name: "file_indices", Type: field.TypeJSON}, {Name: "thumbnail", Type: field.TypeBytes, Nullable: true}, {Name: "read", Type: field.TypeBool, Default: false}, {Name: "active", Type: field.TypeBool, Default: true}, } // MetaTable holds the schema information for the "meta" table. MetaTable = &schema.Table{ Name: "meta", Columns: MetaColumns, PrimaryKey: []*schema.Column{MetaColumns[0]}, } // TagsColumns holds the columns for the "tags" table. TagsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString, Unique: true}, {Name: "favorite", Type: field.TypeBool, Default: false}, {Name: "hidden", Type: field.TypeBool, Default: false}, {Name: "thumbnail", Type: field.TypeBytes, Nullable: true}, } // TagsTable holds the schema information for the "tags" table. TagsTable = &schema.Table{ Name: "tags", Columns: TagsColumns, PrimaryKey: []*schema.Column{TagsColumns[0]}, } // MetaTagsColumns holds the columns for the "meta_tags" table. MetaTagsColumns = []*schema.Column{ {Name: "meta_id", Type: field.TypeInt}, {Name: "tag_id", Type: field.TypeInt}, } // MetaTagsTable holds the schema information for the "meta_tags" table. MetaTagsTable = &schema.Table{ Name: "meta_tags", Columns: MetaTagsColumns, PrimaryKey: []*schema.Column{MetaTagsColumns[0], MetaTagsColumns[1]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "meta_tags_meta_id", Columns: []*schema.Column{MetaTagsColumns[0]}, RefColumns: []*schema.Column{MetaColumns[0]}, OnDelete: schema.Cascade, }, { Symbol: "meta_tags_tag_id", Columns: []*schema.Column{MetaTagsColumns[1]}, RefColumns: []*schema.Column{TagsColumns[0]}, OnDelete: schema.Cascade, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ MetaTable, TagsTable, MetaTagsTable, } )
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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