36.53. 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 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
|