PG_GET_COLS
Returns the column metadata for a table or view definition.
Syntax
pg_get_cols('name')
Arguments
- name
-
The name of an Amazon Redshift table or view.
Return Type
VARCHAR
Usage Notes
The PG_GET_COLS function returns one row for each column in the table or view definition. The row contains a comma-separated list with the schema name, relation name, column name, data type, and column number.
Example
The following example returns the column metadata for a view named SALES_VW.
select pg_get_cols('sales_vw'); pg_get_cols ----------------------------------------------------------- (public,sales_vw,salesid,integer,1) (public,sales_vw,listid,integer,2) (public,sales_vw,sellerid,integer,3) (public,sales_vw,buyerid,integer,4) (public,sales_vw,eventid,integer,5) (public,sales_vw,dateid,smallint,6) (public,sales_vw,qtysold,smallint,7) (public,sales_vw,pricepaid,"numeric(8,2)",8) (public,sales_vw,commission,"numeric(8,2)",9) (public,sales_vw,saletime,"timestamp without time zone",10)
The following example returns the column metadata for the SALES_VW view in table format.
select * from pg_get_cols('sales_vw') cols(view_schema name, view_name name, col_name name, col_type varchar, col_num int); view_schema | view_name | col_name | col_type | col_num ------------+-----------+------------+-----------------------------+-------- public | sales_vw | salesid | integer | 1 public | sales_vw | listid | integer | 2 public | sales_vw | sellerid | integer | 3 public | sales_vw | buyerid | integer | 4 public | sales_vw | eventid | integer | 5 public | sales_vw | dateid | smallint | 6 public | sales_vw | qtysold | smallint | 7 public | sales_vw | pricepaid | numeric(8,2) | 8 public | sales_vw | commission | numeric(8,2) | 9 public | sales_vw | saletime | timestamp without time zone | 10
