Numeric in Redshift are columns with the following data types: smallint, integer, bigint, decimal, real, double precision.
The query below lists all columns with numeric data types.
Query
select col.table_schema,
col.table_name,
col.ordinal_position as col_id,
col.column_name,
col.data_type,
col.numeric_precision as precision,
col.numeric_scale as scale
from information_schema.columns col
join information_schema.tables tab on tab.table_schema = col.table_schema
and tab.table_name = col.table_name
and tab.table_type = 'BASE TABLE'
where col.data_type in ('smallint', 'integer', 'bigint',
'numeric', 'real', 'double precision')
and col.table_schema not in ('information_schema', 'pg_catalog')
order by col.table_schema,
col.table_name,
col.ordinal_position;
Columns
- database_name - name of the schema
- table_name - name of the table
- column_id - column position in table
- column_name - name of the column
- data_type - type of data
- numeric_precision - precision of the column
- numeric_scale - scale of column
Rows
- One row represents one column with a numeric data type
- Scope of rows: all columns containing numeric data types in the schema
- Ordered by database name and table name