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mapsde.c
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mapsde.c
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/******************************************************************************
* $Id$
*
* Project: MapServer
* Purpose: Implements SDE CONNECTIONTYPE.
* Author: Steve Lime and Howard Butler
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <time.h>
#include <assert.h>
#include "mapserver.h"
#include "maperror.h"
#include "maptime.h"
#include "mapthread.h"
#ifdef USE_SDE
#include <sdetype.h> /* ESRI SDE Client Includes */
#include <sdeerno.h>
#define MS_SDE_MAXBLOBSIZE 1024*50 /* 50 kbytes */
#define MS_SDE_NULLSTRING "<null>"
#define MS_SDE_SHAPESTRING "<shape>"
#define MS_SDE_TIMEFMTSIZE 128 /* bytes */
#define MS_SDE_TIMEFMT "%H:%M:%S %m/%d/%Y"
#define MS_SDE_ROW_ID_COLUMN "SE_ROW_ID"
typedef struct {
SE_CONNECTION connection;
SE_STREAM stream;
} msSDEConnPoolInfo;
typedef struct {
msSDEConnPoolInfo *connPoolInfo;
SE_CONNECTION connection;
SE_LAYERINFO layerinfo;
SE_COORDREF coordref;
SE_STREAM stream;
long state_id;
char *table;
char *column;
char *row_id_column;
char *join_table;
rectObj* extent;
SE_COLUMN_DEF *basedefs;
SE_COLUMN_DEF *joindefs;
short *nBaseColumns;
short *nJoinColumns;
int bBigEndian;
} msSDELayerInfo;
typedef struct {
long layerId;
char *table;
char *column;
char *connection;
} layerId;
/*
* Layer ID caching section.
*/
static int lcacheCount = 0;
static int lcacheMax = 0;
static layerId *lcache = NULL;
#endif
/* -------------------------------------------------------------------- */
/* msSDELayerIsOpen */
/* -------------------------------------------------------------------- */
/* Returns MS_TRUE if layer is already opened, MS_FALSE otherwise */
/* -------------------------------------------------------------------- */
int msSDELayerIsOpen(layerObj *layer)
{
#ifdef USE_SDE
if(layer->layerinfo)
return(MS_TRUE);
return MS_FALSE;
#else
msSetError(MS_MISCERR, "SDE support is not available.",
"msSDELayerIsOpen()");
return(MS_FALSE);
#endif
}
#ifdef USE_SDE
/************************************************************************/
/* Start SDE/MapServer helper functions. */
/* */
/************************************************************************/
/* -------------------------------------------------------------------- */
/* msSDECloseConnection */
/* -------------------------------------------------------------------- */
/* Closes the SDE connection handle, which is given as a callback */
/* function to the connection pooling API */
/* -------------------------------------------------------------------- */
static void msSDECloseConnection( void *conn_handle )
{
long status;
msSDEConnPoolInfo *poolinfo = conn_handle;
if (poolinfo) {
if (poolinfo->stream) {
SE_stream_free(poolinfo->stream);
}
if (poolinfo->connection) {
status = SE_connection_free_all_locks (poolinfo->connection);
if (status == SE_SUCCESS) {
SE_connection_free(poolinfo->connection);
}
}
msFree(poolinfo);
}
}
/* -------------------------------------------------------------------- */
/* sde_error */
/* -------------------------------------------------------------------- */
/* Reports more detailed error information from SDE */
/* -------------------------------------------------------------------- */
static void sde_error(long error_code, char *routine, char *sde_routine)
{
char error_string[SE_MAX_MESSAGE_LENGTH];
error_string[0] = '\0';
SE_error_get_string(error_code, error_string);
msSetError( MS_SDEERR,
"%s: %s. (%ld)",
routine,
sde_routine,
error_string,
error_code);
return;
}
/* -------------------------------------------------------------------- */
/* msSDELayerGetRowIDColumn */
/* -------------------------------------------------------------------- */
/* A helper function to return unique row ID column for */
/* an opened SDE layer. The caller owns the string. */
/* -------------------------------------------------------------------- */
char *msSDELayerGetRowIDColumn(layerObj *layer)
{
#ifdef USE_SDE
long status, column_type;
char* column_name;
char* full_column_name;
char* proc_key;
SE_REGINFO registration;
msSDELayerInfo *sde=NULL;
sde = layer->layerinfo;
if(!msSDELayerIsOpen(layer)) {
msSetError( MS_SDEERR,
"SDE layer has not been opened.",
"msSDELayerGetRowIDColumn()");
return NULL;
}
column_name = (char*) msSmallMalloc(SE_QUALIFIED_COLUMN_LEN+1);
column_name[0]='\0';
proc_key = msLayerGetProcessingKey(layer,"OBJECTID");
if (proc_key)
strcpy(column_name,proc_key);
if (proc_key) {
if (layer->debug)
msDebug("msSDELayerGetRowIDColumn(): Column was manually set to %s\n", column_name);
return column_name;
}
full_column_name = (char*) msSmallMalloc(SE_QUALIFIED_COLUMN_LEN+1);
full_column_name[0]='\0';
/*
** if the state_id is the SE_DEFAULT_STATE_ID, we are
** assuming no versioned queries are happening at all
** and we are using the hardcoded row_id column.
*/
if (sde->state_id == SE_DEFAULT_STATE_ID) {
if(layer->debug) {
msDebug("msSDELayerGetRowIDColumn(): State ID was "
"SE_DEFAULT_STATE_ID, reverting to %s.\n",
MS_SDE_ROW_ID_COLUMN);
}
strcpy(column_name,MS_SDE_ROW_ID_COLUMN);
}
/*
** if the state_id was not set to SE_DEFAULT_STATE_ID,
** check if the table is registered, and if so, use the
** registration info to tell us what the row_id column is.
*/
status = SE_reginfo_create (®istration);
if(status != SE_SUCCESS) {
sde_error( status,
"msSDELayerGetRowIDColumn()",
"SE_reginfo_create()");
return(NULL);
}
status = SE_registration_get_info ( sde->connPoolInfo->connection,
sde->table,
registration);
if(status != SE_SUCCESS) {
sde_error( status,
"msSDELayerGetRowIDColumn()",
"SE_registration_get_info()");
SE_reginfo_free(registration);
return(NULL);
}
status= SE_reginfo_get_rowid_column ( registration,
column_name,
&column_type);
if(status != SE_SUCCESS) {
sde_error(status,
"msSDELayerGetRowIDColumn()",
"SE_reginfo_get_rowid_column()");
SE_reginfo_free(registration);
return(NULL);
}
/* Free up the reginfo now that we're done with it */
SE_reginfo_free(registration);
/* if the table wasn't registered, return the hard-coded row_id column. */
if (column_type == SE_REGISTRATION_ROW_ID_COLUMN_TYPE_NONE) {
if(layer->debug) {
msDebug("msSDELayerGetRowIDColumn(): Table was not registered, "
"returning %s.\n",
MS_SDE_ROW_ID_COLUMN);
}
strcpy(column_name, MS_SDE_ROW_ID_COLUMN);
}
proc_key = msLayerGetProcessingKey(layer,"ATTRIBUTE_QUALIFIED");
if (sde->join_table ||
(proc_key && strcasecmp( proc_key, "TRUE") == 0)) {
strcat(full_column_name, sde->table);
strcat(full_column_name, ".");
strcat(full_column_name, column_name);
msFree(column_name);
} else {
strcpy(full_column_name, column_name);
msFree(column_name);
}
if (full_column_name) {
return (full_column_name);
} else {
msFree(full_column_name);
return(msStrdup(MS_SDE_ROW_ID_COLUMN));
}
#else
msSetError( MS_MISCERR,
"SDE support is not available.",
"msSDELayerGetRowIDColumn()");
return(NULL);
#endif
}
/* -------------------------------------------------------------------- */
/* msSDELCacheAdd */
/* -------------------------------------------------------------------- */
/* Adds a SDE layer to the global layer cache. */
/* -------------------------------------------------------------------- */
long msSDELCacheAdd( layerObj *layer,
SE_LAYERINFO layerinfo,
char *tableName,
char *columnName,
char *connectionString)
{
layerId *lid = NULL;
long status = 0;
msAcquireLock( TLOCK_SDE );
if (layer->debug) {
msDebug( "%s: Caching id for %s, %s, %s\n", "msSDELCacheAdd()",
tableName, columnName, connectionString);
}
/* Ensure the cache is large enough to hold the new item. */
if(lcacheCount == lcacheMax) {
lcacheMax += 10;
lcache = (layerId *)realloc(lcache, sizeof(layerId) * lcacheMax);
if(lcache == NULL) {
msReleaseLock( TLOCK_SDE );
msSetError(MS_MEMERR, NULL, "msSDELCacheAdd()");
return (MS_FAILURE);
}
}
/* Population the new lcache object. */
lid = lcache + lcacheCount;
lcacheCount++;
status = SE_layerinfo_get_id(layerinfo, &lid->layerId);
if(status != SE_SUCCESS) {
msReleaseLock( TLOCK_SDE );
sde_error(status, "msSDELCacheAdd()", "SE_layerinfo_get_id()");
return(MS_FAILURE);
}
lid->table = msStrdup(tableName);
lid->column = msStrdup(columnName);
lid->connection = msStrdup(connectionString);
msReleaseLock( TLOCK_SDE );
return (MS_SUCCESS);
}
/* -------------------------------------------------------------------- */
/* msSDEGetLayerInfo */
/* -------------------------------------------------------------------- */
/* Get a LayerInfo for the layer. Cached layer is used if it */
/* exists in the cache. */
/* -------------------------------------------------------------------- */
long msSDEGetLayerInfo(layerObj *layer,
SE_CONNECTION conn,
char *tableName,
char *columnName,
char *connectionString,
SE_LAYERINFO layerinfo)
{
int i;
long status;
layerId *lid = NULL;
/* If table or column are null, nothing can be done. */
if(tableName == NULL) {
msSetError( MS_MISCERR,
"Missing table name.\n",
"msSDEGetLayerInfo()");
return (MS_FAILURE);
}
if(columnName == NULL) {
msSetError( MS_MISCERR,
"Missing column name.\n",
"msSDEGetLayerInfo()");
return (MS_FAILURE);
}
if(connectionString == NULL) {
msSetError( MS_MISCERR,
"Missing connection string.\n",
"msSDEGetLayerInfo()");
return (MS_FAILURE);
}
if (layer->debug) {
msDebug("%s: Looking for layer by %s, %s, %s\n",
"msSDEGetLayerInfo()",
tableName,
columnName,
connectionString);
}
/* Search the lcache for the layer id. */
for(i = 0; i < lcacheCount; i++) {
lid = lcache + i;
if(strcasecmp(lid->table, tableName) == 0 &&
strcasecmp(lid->column, columnName) == 0 &&
strcasecmp(lid->connection, connectionString) == 0) {
status = SE_layer_get_info_by_id(conn, lid->layerId, layerinfo);
if(status != SE_SUCCESS) {
sde_error(status, "msSDEGetLayerInfo()", "SE_layer_get_info()");
return(MS_FAILURE);
}
if (layer->debug) {
msDebug( "%s: Matched layer to id %i.\n",
"msSDEGetLayerId()", lid->layerId);
}
return (MS_SUCCESS);
}
}
if (layer->debug) {
msDebug("%s: No cached layerid found.\n", "msSDEGetLayerInfo()");
}
/* No matches found, create one. */
status = SE_layer_get_info( conn, tableName, columnName, layerinfo );
if(status != SE_SUCCESS) {
sde_error(status, "msSDEGetLayerInfo()", "SE_layer_get_info()");
return(MS_FAILURE);
}
status = msSDELCacheAdd(layer,
layerinfo,
tableName,
columnName,
connectionString);
return(MS_SUCCESS);
}
/* -------------------------------------------------------------------- */
/* sdeShapeCopy */
/* -------------------------------------------------------------------- */
/* Copies a SDE shape into a MapServer shapeObj */
/* -------------------------------------------------------------------- */
static int sdeShapeCopy(SE_SHAPE inshp, shapeObj *outshp)
{
SE_POINT *points=NULL;
SE_ENVELOPE envelope;
long type, status;
long *part_offsets = NULL;
long *subpart_offsets = NULL;
long num_parts = -1;
long num_subparts = -1;
long num_points = -1;
lineObj line= {0,NULL};
int i,j,k;
status = SE_shape_get_type(inshp, &type);
if(status != SE_SUCCESS) {
sde_error(status,
"sdeCopyShape()",
"SE_shape_get_type()");
return(MS_FAILURE);
}
switch(type) {
case(SG_NIL_SHAPE):
return(MS_SUCCESS); /* skip null shapes */
break;
case(SG_POINT_SHAPE):
case(SG_MULTI_POINT_SHAPE):
outshp->type = MS_SHAPE_POINT;
break;
case(SG_LINE_SHAPE):
case(SG_SIMPLE_LINE_SHAPE):
case(SG_MULTI_LINE_SHAPE):
case(SG_MULTI_SIMPLE_LINE_SHAPE):
outshp->type = MS_SHAPE_LINE;
break;
case(SG_AREA_SHAPE):
case(SG_MULTI_AREA_SHAPE):
outshp->type = MS_SHAPE_POLYGON;
break;
default:
msSetError( MS_SDEERR,
"Unsupported SDE shape type (%ld).",
"sdeCopyShape()",
type);
return(MS_FAILURE);
}
status = SE_shape_get_num_parts (inshp, &num_parts, &num_subparts);
if(status != SE_SUCCESS) {
sde_error(status, "sdeShapeCopy()", "SE_shape_get_num_parts()");
return(MS_FAILURE);
}
status = SE_shape_get_num_points (inshp, 0, 0, &num_points);
if(status != SE_SUCCESS) {
sde_error(status, "sdeShapeCopy()", "SE_shape_get_num_points()");
return(MS_FAILURE);
}
part_offsets = (long *) msSmallMalloc( (num_parts + 1) * sizeof(long));
subpart_offsets = (long *) msSmallMalloc( (num_subparts + 1) * sizeof(long));
part_offsets[num_parts] = num_subparts;
subpart_offsets[num_subparts] = num_points;
points = (SE_POINT *) msSmallMalloc (num_points*sizeof(SE_POINT));
if(!points) {
msSetError( MS_MEMERR,
"Unable to allocate points array.",
"sdeCopyShape()");
return(MS_FAILURE);
}
status = SE_shape_get_all_points( inshp,
SE_DEFAULT_ROTATION,
part_offsets,
subpart_offsets,
points,
NULL,
NULL);
if(status != SE_SUCCESS) {
sde_error(status, "sdeCopyShape()", "SE_shape_get_all_points()");
return(MS_FAILURE);
}
k = 0; /* overall point counter */
for(i=0; i<num_subparts; i++) {
if( i == num_subparts-1)
line.numpoints = num_points - subpart_offsets[i];
else
line.numpoints = subpart_offsets[i+1] - subpart_offsets[i];
line.point = (pointObj *)malloc(sizeof(pointObj)*line.numpoints);
MS_CHECK_ALLOC(line.point, sizeof(pointObj)*line.numpoints, MS_FAILURE);
for(j=0; j < line.numpoints; j++) {
line.point[j].x = points[k].x;
line.point[j].y = points[k].y;
k++;
}
msAddLine(outshp, &line);
msFree(line.point);
}
msFree(part_offsets);
msFree(subpart_offsets);
msFree(points);
/* finally copy the bounding box for the entire shape */
status = SE_shape_get_extent(inshp, 0, &envelope);
if(status != SE_SUCCESS) {
sde_error(status, "sdeCopyShape()", "SE_shape_get_extent()");
return(MS_FAILURE);
}
outshp->bounds.minx = envelope.minx;
outshp->bounds.miny = envelope.miny;
outshp->bounds.maxx = envelope.maxx;
outshp->bounds.maxy = envelope.maxy;
return(MS_SUCCESS);
}
/* -------------------------------------------------------------------- */
/* sdeGetRecord */
/* -------------------------------------------------------------------- */
/* Retrieves the current row as setup via the SDE stream query */
/* or row fetch routines. */
/* -------------------------------------------------------------------- */
static int sdeGetRecord(layerObj *layer, shapeObj *shape)
{
int i;
long status;
double doubleval;
long longval;
struct tm dateval;
short shortval; /* new gdv */
float floatval;
SE_COLUMN_DEF *itemdefs;
SE_SHAPE shapeval=0;
msSDELayerInfo *sde;
SE_BLOB_INFO blobval;
#ifdef SE_CLOB_TYPE
SE_CLOB_INFO clobval;
#endif
#ifdef SE_NCLOB_TYPE
SE_NCLOB_INFO nclobval;
SE_WCHAR* nclobstring; /* null terminated */
#endif
#ifdef SE_NSTRING_TYPE
SE_WCHAR* wide=NULL;
#endif
if(!msSDELayerIsOpen(layer)) {
msSetError( MS_SDEERR,
"SDE layer has not been opened.",
"sdeGetRecord()");
return MS_FAILURE;
}
sde = layer->layerinfo;
if(layer->numitems > 0) {
shape->numvalues = layer->numitems;
shape->values = (char **) malloc (sizeof(char *)*layer->numitems);
MS_CHECK_ALLOC(shape->values, sizeof(char *)*layer->numitems, MS_FAILURE);
}
status = SE_shape_create(NULL, &shapeval);
if(status != SE_SUCCESS) {
sde_error(status, "sdeGetRecord()", "SE_shape_create()");
return(MS_FAILURE);
}
itemdefs = layer->iteminfo;
for(i=0; i<layer->numitems; i++) {
/* do something special */
if(strcmp(layer->items[i],sde->row_id_column) == 0) {
status = SE_stream_get_integer(sde->connPoolInfo->stream, (short)(i+1), &shape->index);
if(status != SE_SUCCESS) {
sde_error(status, "sdeGetRecord()", "SE_stream_get_integer()");
return(MS_FAILURE);
}
shape->values[i] = (char *)msSmallMalloc(64); /* should be enough */
sprintf(shape->values[i], "%ld", shape->index);
continue;
}
switch(itemdefs[i].sde_type) {
case SE_SMALLINT_TYPE:
/* changed by gdv */
status = SE_stream_get_smallint(sde->connPoolInfo->stream,
(short)(i+1),
&shortval);
if(status == SE_SUCCESS)
shape->values[i] = msLongToString(shortval);
else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_smallint()");
return(MS_FAILURE);
}
break;
case SE_INTEGER_TYPE:
status = SE_stream_get_integer( sde->connPoolInfo->stream,
(short)(i+1),
&longval);
if(status == SE_SUCCESS)
shape->values[i] = msLongToString(longval);
else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_integer()");
return(MS_FAILURE);
}
break;
case SE_FLOAT_TYPE:
status = SE_stream_get_float( sde->connPoolInfo->stream,
(short)(i+1),
&floatval);
if(status == SE_SUCCESS)
shape->values[i] = msDoubleToString(floatval, MS_FALSE);
else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_float()");
return(MS_FAILURE);
}
break;
case SE_DOUBLE_TYPE:
status = SE_stream_get_double( sde->connPoolInfo->stream,
(short) (i+1),
&doubleval);
if(status == SE_SUCCESS)
shape->values[i] = msDoubleToString(doubleval, MS_FALSE);
else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_double()");
return(MS_FAILURE);
}
break;
case SE_STRING_TYPE:
shape->values[i] = (char *)msSmallMalloc(itemdefs[i].size+1);
status = SE_stream_get_string( sde->connPoolInfo->stream,
(short) (i+1),
shape->values[i]);
if(status == SE_NULL_VALUE)
shape->values[i][0] = '\0'; /* empty string */
else if(status != SE_SUCCESS) {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_string()");
return(MS_FAILURE);
}
break;
#ifdef SE_NSTRING_TYPE
case SE_NSTRING_TYPE:
wide = (SE_WCHAR *)msSmallMalloc(itemdefs[i].size*2*sizeof(SE_WCHAR)+1);
memset(wide, 0, itemdefs[i].size*2*sizeof(SE_WCHAR)+1);
status = SE_stream_get_nstring( sde->connPoolInfo->stream,
(short) (i+1),
wide);
if(status == SE_NULL_VALUE) {
shape->values[i] = (char *)msSmallMalloc(itemdefs[i].size*sizeof(char)+1);
shape->values[i][0] = '\0'; /* empty string */
msFree(wide);
} else if(status != SE_SUCCESS) {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_string()");
return(MS_FAILURE);
} else {
if (sde->bBigEndian)
shape->values[i] = msConvertWideStringToUTF8((const wchar_t*) wide, "UTF-16BE");
else
shape->values[i] = msConvertWideStringToUTF8((const wchar_t*) wide, "UTF-16LE");
msFree(wide);
if (!shape->values[i]) { /* There was an error */
msSetError( MS_SDEERR,
"msConvertWideStringToUTF8()==NULL.",
"sdeGetRecord()");
shape->values[i] = (char *)msSmallMalloc(itemdefs[i].size*sizeof(char)+1);
shape->values[i][0] = '\0'; /* empty string */
}
}
break;
#endif
#ifdef SE_UUID_TYPE
case SE_UUID_TYPE:
shape->values[i] = (char *)msSmallMalloc(itemdefs[i].size+1);
status = SE_stream_get_uuid ( sde->connPoolInfo->stream,
(short) (i+1),
shape->values[i]);
if(status == SE_NULL_VALUE)
shape->values[i][0] = '\0'; /* empty string */
else if(status != SE_SUCCESS) {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_uuid()");
return(MS_FAILURE);
}
break;
#endif
#ifdef SE_CLOB_TYPE
case SE_CLOB_TYPE:
status = SE_stream_get_clob(sde->connPoolInfo->stream, (short) (i+1), &clobval);
if(status == SE_SUCCESS) {
shape->values[i] = (char *)msSmallMalloc(sizeof(char)*clobval.clob_length);
shape->values[i] = memcpy( shape->values[i],
clobval.clob_buffer,
clobval.clob_length);
SE_clob_free(&clobval);
} else if (status == SE_NULL_VALUE) {
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
} else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_clob()");
return(MS_FAILURE);
}
break;
#endif
#ifdef SE_CLOB_TYPE
case SE_NCLOB_TYPE:
memset(&nclobval, 0, sizeof(nclobval)); /* to prevent from the crash in SE_stream_get_nclob */
status = SE_stream_get_nclob(sde->connPoolInfo->stream, (short) (i+1), &nclobval);
if(status == SE_SUCCESS) {
/* the returned string is not null-terminated */
nclobstring = (SE_WCHAR*)malloc(sizeof(char)*(nclobval.nclob_length+2));
memcpy(nclobstring, nclobval.nclob_buffer, nclobval.nclob_length);
nclobstring[nclobval.nclob_length / 2] = '\0';
if (sde->bBigEndian)
shape->values[i] = msConvertWideStringToUTF8((const wchar_t*) nclobstring, "UTF-16BE");
else
shape->values[i] = msConvertWideStringToUTF8((const wchar_t*) nclobstring, "UTF-16LE");
if (!shape->values[i]) { /* There was an error */
msSetError( MS_SDEERR,
"msConvertWideStringToUTF8()==NULL.",
"sdeGetRecord()");
shape->values[i] = (char *)malloc(itemdefs[i].size*sizeof(char)+1);
shape->values[i][0] = '\0'; /* empty string */
}
SE_nclob_free(&nclobval);
msFree(nclobstring);
} else if (status == SE_NULL_VALUE) {
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
} else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_nclob()");
return(MS_FAILURE);
}
break;
#endif
case SE_BLOB_TYPE:
status = SE_stream_get_blob(sde->connPoolInfo->stream, (short) (i+1), &blobval);
if(status == SE_SUCCESS) {
shape->values[i] = (char *)msSmallMalloc(sizeof(char)*blobval.blob_length);
shape->values[i] = memcpy( shape->values[i],
blobval.blob_buffer,
blobval.blob_length);
SE_blob_free(&blobval);
} else if (status == SE_NULL_VALUE) {
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
} else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_blob()");
return(MS_FAILURE);
}
break;
case SE_DATE_TYPE:
status = SE_stream_get_date(sde->connPoolInfo->stream, (short)(i+1), &dateval);
if(status == SE_SUCCESS) {
shape->values[i] = (char *)msSmallMalloc(sizeof(char)*MS_SDE_TIMEFMTSIZE);
strftime( shape->values[i],
MS_SDE_TIMEFMTSIZE,
MS_SDE_TIMEFMT,
&dateval);
} else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_date()");
return(MS_FAILURE);
}
break;
case SE_SHAPE_TYPE:
status = SE_stream_get_shape(sde->connPoolInfo->stream, (short)(i+1), shapeval);
if(status == SE_SUCCESS)
shape->values[i] = msStrdup(MS_SDE_SHAPESTRING);
else if(status == SE_NULL_VALUE)
shape->values[i] = msStrdup(MS_SDE_NULLSTRING);
else {
sde_error( status,
"sdeGetRecord()",
"SE_stream_get_shape()");
return(MS_FAILURE);
}
break;
default:
msSetError( MS_SDEERR,
"Unknown SDE column type.",
"sdeGetRecord()");
return(MS_FAILURE);
break;
} /* switch(itemdefs[i].sde_type) */
} /* for(i=0; i<layer->numitems; i++) { */
if(SE_shape_is_nil(shapeval)) return(MS_SUCCESS);
/* copy sde shape to a mapserver shape */
status = sdeShapeCopy(shapeval, shape);
if(status != MS_SUCCESS) return(MS_FAILURE);
/* clean up */
SE_shape_free(shapeval);
return(MS_SUCCESS);
}
static SE_QUERYINFO getSDEQueryInfo(layerObj *layer)
{
SE_QUERYINFO query_info;
long status;
msSDELayerInfo *sde=NULL;
if(!msSDELayerIsOpen(layer)) {
msSetError( MS_SDEERR,
"SDE layer has not been opened.",
"getSDEQueryInfo()");
return(NULL);
}
sde = layer->layerinfo;
/*
** See http://forums.esri.com/Thread.asp?c=2&f=59&t=108929&mc=4#msgid310273
** SE_queryinfo is a new SDE struct in ArcSDE 8.x that is a bit easier
** (and faster) to use. HCB
*/
status = SE_queryinfo_create (&query_info);
if(status != SE_SUCCESS) {
sde_error( status,
"getSDEQueryInfo()",
"SE_queryinfo_create()");
return(NULL);
}
/* set the tables -- just one at this point */
status = SE_queryinfo_set_tables ( query_info,
1,
(const CHAR **) &(sde->table),
NULL);
if(status != SE_SUCCESS) {
sde_error( status,
"getSDEQueryInfo()",
"SE_queryinfo_create()");
return(NULL);
}
/* set the "where" clause */
if(!(layer->filter.string))
/* set to empty string */
status = SE_queryinfo_set_where_clause (query_info,
(const CHAR * ) "");
else
/* set to the layer's filter.string */
status = SE_queryinfo_set_where_clause (query_info,
(const CHAR * ) (layer->filter.string));
if(status != SE_SUCCESS) {
sde_error( status,
"getSDEQueryInfo()",
"SE_queryinfo_set_where_clause()");
return(NULL);
}
status = SE_queryinfo_set_columns( query_info,
layer->numitems,
(const char **)layer->items);
if(status != SE_SUCCESS) {
sde_error( status,
"getSDEQueryInfo()",
"SE_queryinfo_set_columns()");
return(NULL);
}
/* Join the spatial and feature tables. If we specify the type of join */
/* we'll query faster than querying all tables individually (old method) */
status = SE_queryinfo_set_query_type (query_info,SE_QUERYTYPE_JSF);
if(status != SE_SUCCESS) {
sde_error( status,
"getSDEQueryInfo()",
"SE_queryinfo_set_query_type()");
return(NULL);
}
return query_info;
}
static SE_SQL_CONSTRUCT* getSDESQLConstructInfo(layerObj *layer, long* id)
{
SE_SQL_CONSTRUCT* sql;
char *full_filter=NULL;
char *pszId=NULL;
long status;
msSDELayerInfo *sde=NULL;
full_filter = (char*) msSmallMalloc((1000+1)*sizeof (char));
full_filter[0] = '\0';
if(!msSDELayerIsOpen(layer)) {
msSetError( MS_SDEERR,
"SDE layer has not been opened.",
"getSDESQLConstructInfo()");
return(NULL);