Filters data based on the specified expression. The results are stored in a result set with the given input parameter view_name.
For details see Expressions.
The response message contains the number of points for which the expression evaluated to be true, which is equivalent to the size of the result view.
Parameters
Name of the table to filter, in [schema_name.]table_name format, using standard name resolution rules. This may be the name of a table or a view (when chaining queries).
If provided, then this will be the name of the view containing the results, in [schema_name.]view_name format, using standard name resolution rules and meeting table naming criteria. Must not be an already existing table or view. The default value is ‘’.
The select expression to filter the specified table. For details see Expressions.
Optional parameters. Allowed keys are:
create_temp_table – If true, a unique temporary table name will be generated in the sys_temp schema and used in place of input parameter view_name. This is always allowed even if the caller does not have permission to create tables. The generated name is returned in qualified_view_name. Allowed values are:
true
false
The default value is ‘false’.
collection_name – [DEPRECATED–please specify the containing schema for the view as part of input parameter view_name and use
GPUdb.create_schema()to create the schema if non-existent] Name of a schema for the newly created view. If the schema is non-existent, it will be automatically created.view_id – View this filtered-view is part of. The default value is ‘’.
ttl – Sets the TTL of the view specified in input parameter view_name.
The default value is an empty dict ( ).
Returns
A dict with the following entries–
The number of records that matched the given select expression.
Additional information. Allowed keys are:
qualified_view_name – The fully qualified name of the view (i.e. including the schema).
The default value is an empty dict ( ).