filter
Filters data based on the specified expression. The results are stored in a result set with the givenviewName.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:request-Requestobject containing the parameters for the operation.Returns:Responseobject containing the results of the operation.Throws:GPUdbException- if an error occurs during the operation.filter
public FilterResponse filter(String tableName, String viewName, String expression, Map<String, String> options) throws GPUdbException Filters data based on the specified expression. The results are stored in a result set with the givenviewName.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:tableName- 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).viewName- 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- The select expression to filter the specified table. For details see Expressions.options- Optional parameters.CREATE_TEMP_TABLE: IfTRUE, a unique temporary table name will be generated in the sys_temp schema and used in place ofviewName. This is always allowed even if the caller does not have permission to create tables. The generated name is returned inQUALIFIED_VIEW_NAME. Supported values:The default value isFALSE.COLLECTION_NAME: [DEPRECATED—please specify the containing schema for the view as part ofviewNameand usecreateSchemato 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 inviewName.
Map.Returns:Responseobject containing the results of the operation.Throws:GPUdbException- if an error occurs during the operation.