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.
Input Parameter Description
Name | Type | Description | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
table_name | string | 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). | ||||||||||
view_name | string | 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 ''. | ||||||||||
expression | string | The select expression to filter the specified table. For details see Expressions. | ||||||||||
options | map of string to strings | Optional parameters. The default value is an empty map ( {} ).
|
Output Parameter Description
Name | Type | Description | ||||
---|---|---|---|---|---|---|
count | long | The number of records that matched the given select expression. | ||||
info | map of string to strings | Additional information. The default value is an empty map ( {} ).
|