transformsThe 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 36.51. transforms Columns
| Name | Data 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 36.40 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 |