lwgeom_window.c File Reference

#include "../postgis_config.h"
#include "postgres.h"
#include "funcapi.h"
#include "windowapi.h"
#include "liblwgeom.h"
#include "lwunionfind.h"
#include "lwgeom_geos.h"
#include "lwgeom_log.h"
#include "lwgeom_pg.h"

Include dependency graph for lwgeom_window.c:

Go to the source code of this file.

Data Structures
struct	kmeans_context
struct	cluster_entry
struct	cluster_context
struct	coverage_context

Enumerations
enum	{ COVERAGE_SIMPLIFY = 0 , COVERAGE_ISVALID = 1 }

Functions
static cluster_context *	fetch_cluster_context (WindowObject win_obj, uint32_t ngeoms)
static LWGEOM *	read_lwgeom_from_partition (WindowObject win_obj, uint32_t i, bool *is_null)
static GEOSGeometry *	read_geos_from_partition (WindowObject win_obj, uint32_t i, bool *is_null)
Datum	ST_ClusterDBSCAN (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_ClusterDBSCAN)
Datum	ST_ClusterWithinWin (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_ClusterWithinWin)
Datum	ST_ClusterIntersectingWin (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_ClusterIntersectingWin)
Datum	ST_ClusterKMeans (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_ClusterKMeans)
static void	coverage_destroy_geoms (GEOSGeometry **geoms, uint32 ngeoms)
static coverage_context *	coverage_context_fetch (WindowObject winobj, int64 rowcount)
static GEOSGeometry *	coverage_read_partition_into_collection (WindowObject winobj, coverage_context *context)
static Datum	coverage_window_calculation (PG_FUNCTION_ARGS, int mode)
Datum	ST_CoverageSimplify (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_CoverageSimplify)
Datum	ST_CoverageInvalidEdges (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_CoverageInvalidEdges)
Datum	ST_CoverageUnion (PG_FUNCTION_ARGS)
	PG_FUNCTION_INFO_V1 (ST_CoverageUnion)