35.55. `transforms`
Prev | Up | Chapter 35. The Information Schema | Home | Next

## 35.55. `transforms` #

The view `transforms` contains information about the transforms defined in the current database. More precisely, it contains a row for each function contained in a transform (the “from SQL” or “to SQL” function).

Table 35.53. `transforms` Columns

Column Type Description
`udt_catalog` `sql_identifier` Name of the database that contains the type the transform is for (always the current database)
`udt_schema` `sql_identifier` Name of the schema that contains the type the transform is for
`udt_name` `sql_identifier` Name of the type the transform is for
`specific_catalog` `sql_identifier` Name of the database containing the function (always the current database)
`specific_schema` `sql_identifier` Name of the schema containing the function
`specific_name` `sql_identifier` The “specific name” of the function. See Section 35.45 for more information.
`group_name` `sql_identifier` The SQL standard allows defining transforms in “groups”, and selecting a group at run time. PostgreSQL does not support this. Instead, transforms are specific to a language. As a compromise, this field contains the language the transform is for.
`transform_type` `character_data` `FROM SQL` or `TO SQL`

Prev | Up | Next
35.54. `tables` | Home | 35.56. `triggered_update_columns`