39.40. `routine_column_usage`
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## 39.40. `routine_column_usage`

The view `routine_column_usage` identifies all columns that are used by a function or procedure, either in the SQL body or in parameter default expressions. (This only works for unquoted SQL bodies, not quoted bodies or functions in other languages.) A column is only included if its table is owned by a currently enabled role.

Table 39.38. `routine_column_usage` Columns

Column Type Description
`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 39.45 for more information.
`routine_catalog` `sql_identifier` Name of the database containing the function (always the current database)
`routine_schema` `sql_identifier` Name of the schema containing the function
`routine_name` `sql_identifier` Name of the function (might be duplicated in case of overloading)
`table_catalog` `sql_identifier` Name of the database that contains the table that is used by the function (always the current database)
`table_schema` `sql_identifier` Name of the schema that contains the table that is used by the function
`table_name` `sql_identifier` Name of the table that is used by the function
`column_name` `sql_identifier` Name of the column that is used by the function

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