Interface IMetaData

Interface representing metadata as used in IResultSets and statement info.

Hierarchy

  • IMetaData

Properties

byteSize? dbType? dbTypeClass? dbTypeName? fetchType? name nullable? precision? scale? vectorDimensions? vectorFormat?

Properties

Optional byteSize

byteSize?: number

Database byte size. This is only set for DB_TYPE_VARCHAR, DB_TYPE_CHAR and DB_TYPE_RAW column types.

Optional dbType

dbType?: number

One of the mle-js-oracledb Database Type Constants, see DbType.

Optional dbTypeClass

dbTypeClass?: IDbObjectClass

The class associated with the database type. This is only set if the database type is an object type.

Since

Oracle 23.7

Optional dbTypeName

dbTypeName?: string

Name of the database type, such as “NUMBER” or “VARCHAR2”.

Optional fetchType

fetchType?: number

One of the mle-js-oracledb JS Type Constants.

name

name: string

The column name follows Oracle’s standard name-casing rules. It will commonly be uppercase since most applications create tables using unquoted, case-insensitive names.

Optional nullable

nullable?: boolean

Indicates whether NULL values are permitted for this column.

Optional precision

precision?: number

Set only for DB_TYPE_NUMBER, DB_TYPE_TIMESTAMP, DB_TYPE_TIMESTAMP_TZ and DB_TYPE_TIMESTAMP_LTZ columns.

Optional scale

scale?: number

Set only for DB_TYPE_NUMBER columns.

Optional vectorDimensions

vectorDimensions?: number

Number of Dimensions in vector.

Since

Oracle 23.4

Optional vectorFormat

vectorFormat?: number

Storage type of elements in vector.

Since

Oracle 23.4

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