Supported data types

When processing data in Prophecy, the available data types depend on which SQL warehouse your organization uses. This guide outlines which data types are supported in Prophecy for each platform. You’ll work with data types when reading data sources and defining their schemas.

Data types

The tables below list the data types Prophecy supports depending on the SQL warehouse you use for processing.

Databricks
BigQuery

The data types you see in Prophecy correspond to data types in Databricks SQL.

Data type	Description
Array	Represents values comprising a sequence of elements.
Bigint	Represents 8-byte signed integer numbers.
Binary	Represents byte sequence values. Only partially supported in the Prophecy UI.
Boolean	Represents true and false values.
Date	Represents values comprising year, month, and day, without a timezone.
Decimal	Represents numbers with maximum precision and fixed scale.
Double	Represents 8-byte double-precision floating point numbers.
Float	Represents 4-byte single-precision floating point numbers.
Integer	Represents 4-byte signed integer numbers.
Smallint	Represents 2-byte signed integer numbers.
String	Represents character string values.
Struct	Represents values with the structure described by a sequence of fields.
Timestamp	Represents values comprising year, month, day, hour, minute, and second, with a timezone.
Tinyint	Represents 1-byte signed integer numbers.
Variant	Represents semi-structured data. Only partially supported in the Prophecy UI.
Void	Represents the untyped NULL. Only partially supported in the Prophecy UI.

These data types you see in Prophecy correspond to the data types in BigQuery.

Data type	Description
Record	Represents a column with nested data. SQL type name: STRUCT
Array	Represents a list of non-array values of the same data type. SQL type name: ARRAY
BigNumeric	Represents a decimal value with precision of 76.76 digits. SQL type name: BIGNUMERIC SQL aliases: BIGDECIMAL
Numeric	Represents a decimal value with precision of 38 digits. SQL type name: NUMERIC SQL aliases: DECIMAL
Datetime	Represents a Gregorian date and a time, independent of time zone. SQL type name: DATETIME
Time	Represents a time of day, independent of a specific date and time zone. SQL type name: TIME
Date	Represents a Gregorian calendar date, independent of time zone. SQL type name: DATE
Timestamp	Represents an absolute point in time, with microsecond precision and no timezone context. SQL type name: TIMESTAMP
Boolean	Represents true and false values. SQL type name: BOOL SQL aliases: BOOLEAN
Float	Represents an approximate double-precision numeric value. SQL type name: FLOAT64
Integer	Represents a 64-bit integer. SQL type name: INT64 SQL aliases: INT, SMALLINT, INTEGER, BIGINT, TINYINT, BYTEINT
Bytes	Represents variable-length binary data. SQL type name: BYTES
String	Represents variable-length character strings. SQL type name: STRING

Prophecy does not support BigQuery Interval, Geography, or JSON data types directly.

Geography / JSON: Serialized and stored as strings.
Interval: Converted to a month-day-nano interval type for display and processing.

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Data types

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​Data types

Data types