SE_stream_calculate_layer_statistics |
Returns statistics for a layer
LONG SE_stream_calculate_layer_statistics
(SE_STREAM stream,
const SE_QUERYINFO query_info,
SE_LAYER_STATS *stats);
stream | The stream handle |
query_info | A pointer to an SE_QUERYINFO structure |
stats | A pointer to SE_LAYER_STATS structure |
SE_stream_calculate_layer_statistics returns a set of statistics for a layer. You must have query access to the layer. This function reads the entire feature table and can be very expensive on a large layer. The query info object should contain the layers spatial column and the layers table name as constructs first table.
SE_SUCCESS
SE_DB_IO_ERROR
SE_INVALID_ENVELOPE
SE_INVALID_PARAM_VALUE
SE_INVALID_POINTER
SE_INVALID_QUERYINFO_OBJECT
SE_INVALID_SQL
SE_INVALID_STREAM_TYPE
SE_INVALID_WHERE
SE_LAYER_MISMATCH
SE_LOAD_ONLY_LAYER
SE_LAYER_NOEXIST
SE_MULTIPLE_SPATIAL_COLS
SE_NET_FAILURE
SE_NO_ACCESS
SE_NO_PERMISSIONS
SE_OUT_OF_CLMEM
SE_OUT_OF_SVMEM
SE_SDE_NOT_STARTED
SE_STREAM_IN_PROGRESS
SE_TABLE_NOEXIST