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Edit File: ogr__gensql_8h_source.html
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class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_066bfa10b8dfa9042feff9f98f280572.html">ogrsf_frmts</a></li><li class="navelem"><a class="el" href="dir_52ee33b26d14df807596a1ed706426c7.html">generic</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">ogr_gensql.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * $Id: ogr_gensql.h 27044 2014-03-16 23:41:27Z rouault $</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Project: OpenGIS Simple Features Reference Implementation</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Purpose: Classes related to generic implementation of ExecuteSQL().</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Author: Frank Warmerdam, warmerdam@pobox.com</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> ******************************************************************************</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2002, Frank Warmerdam</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Copyright (c) 2010-2013, Even Rouault <even dot rouault at mines-paris dot org></span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> ****************************************************************************/</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifndef _OGR_GENSQL_H_INCLUDED</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#define _OGR_GENSQL_H_INCLUDED</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="ogrsf__frmts_8h.html">ogrsf_frmts.h</a>"</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "swq.h"</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="cpl__hash__set_8h.html">cpl_hash_set.h</a>"</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define GEOM_FIELD_INDEX_TO_ALL_FIELD_INDEX(poFDefn, iGeom) \</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"> ((poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT + (iGeom))</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define IS_GEOM_FIELD_INDEX(poFDefn, idx) \</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"> (((idx) >= (poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT) && \</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> ((idx) < (poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT + (poFDefn)->GetGeomFieldCount()))</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define ALL_FIELD_INDEX_TO_GEOM_FIELD_INDEX(poFDefn, idx) \</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> ((idx) - ((poFDefn)->GetFieldCount() + SPECIAL_FIELD_COUNT))</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">/* OGRGenSQLResultsLayer */</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classOGRGenSQLResultsLayer.html"> 52</a></span> <span class="keyword">class </span>CPL_DLL <a class="code" href="classOGRGenSQLResultsLayer.html">OGRGenSQLResultsLayer</a> : <span class="keyword">public</span> <a class="code" href="classOGRLayer.html">OGRLayer</a></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classOGRDataSource.html">OGRDataSource</a> *poSrcDS;</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classOGRLayer.html">OGRLayer</a> *poSrcLayer;</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> *pSelectInfo;</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">char</span> *pszWHERE;</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="classOGRLayer.html">OGRLayer</a> **papoTableLayers;</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classOGRFeatureDefn.html">OGRFeatureDefn</a> *poDefn;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> PrepareSummary();</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> *panGeomFieldToSrcGeomField;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> nIndexSize;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">long</span> *panFIDIndex;</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">int</span> bOrderByValid;</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> nNextIndexFID;</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classOGRFeature.html">OGRFeature</a> *poSummaryFeature;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">int</span> iFIDFieldIndex;</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> nExtraDSCount;</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classOGRDataSource.html">OGRDataSource</a> **papoExtraDS;</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classOGRFeature.html">OGRFeature</a> *TranslateFeature( <a class="code" href="classOGRFeature.html">OGRFeature</a> * );</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">void</span> CreateOrderByIndex();</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span> SortIndexSection( <a class="code" href="unionOGRField.html">OGRField</a> *pasIndexFields, </div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> nStart, <span class="keywordtype">int</span> nEntries );</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> Compare( <a class="code" href="unionOGRField.html">OGRField</a> *pasFirst, <a class="code" href="unionOGRField.html">OGRField</a> *pasSecond );</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> ClearFilters();</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">void</span> ApplyFiltersToSource();</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> FindAndSetIgnoredFields();</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> ExploreExprForIgnoredFields(<a class="code" href="classswq__expr__node.html">swq_expr_node</a>* expr, <a class="code" href="struct__CPLHashSet.html">CPLHashSet</a>* hSet);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">void</span> AddFieldDefnToSet(<span class="keywordtype">int</span> iTable, <span class="keywordtype">int</span> iColumn, <a class="code" href="struct__CPLHashSet.html">CPLHashSet</a>* hSet);</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> ContainGeomSpecialField(<a class="code" href="classswq__expr__node.html">swq_expr_node</a>* expr);</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> InvalidateOrderByIndex();</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> MustEvaluateSpatialFilterOnGenSQL();</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classOGRGenSQLResultsLayer.html">OGRGenSQLResultsLayer</a>( <a class="code" href="classOGRDataSource.html">OGRDataSource</a> *poSrcDS, </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">void</span> *pSelectInfo,</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classOGRGeometry.html">OGRGeometry</a> *poSpatFilter,</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *pszWHERE,</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *pszDialect );</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">virtual</span> ~<a class="code" href="classOGRGenSQLResultsLayer.html">OGRGenSQLResultsLayer</a>();</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRGeometry.html">OGRGeometry</a> *<a class="code" href="classOGRLayer.html#adc3735e444204d46f517eec251712f4d">GetSpatialFilter</a>();</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRLayer.html#aad0f2cd7f0587584b8f382c6a913583c">ResetReading</a>();</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeature.html">OGRFeature</a> *<a class="code" href="classOGRLayer.html#a47d21ff33b32d14fa4e9885b9edecad6">GetNextFeature</a>();</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRLayer.html#ae3b6234d6077a18a19eddaf7e75ff5e1">SetNextByIndex</a>( <span class="keywordtype">long</span> nIndex );</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeature.html">OGRFeature</a> *<a class="code" href="classOGRLayer.html#acb7625383f161e5a04aeea2173dce411">GetFeature</a>( <span class="keywordtype">long</span> nFID );</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeatureDefn.html">OGRFeatureDefn</a> *<a class="code" href="classOGRLayer.html#a80473bcfd11341e70dd35bebe94026cf">GetLayerDefn</a>();</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classOGRLayer.html#a74c796d4ce712e9a78df6042eeb8a91a">GetFeatureCount</a>( <span class="keywordtype">int</span> bForce = TRUE );</div> <div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classOGRGenSQLResultsLayer.html#a06a5154cb72668f0617b7c256e260058"> 118</a></span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRGenSQLResultsLayer.html#a06a5154cb72668f0617b7c256e260058">GetExtent</a>(<a class="code" href="classOGREnvelope.html">OGREnvelope</a> *psExtent, <span class="keywordtype">int</span> bForce = TRUE) { <span class="keywordflow">return</span> <a class="code" href="classOGRGenSQLResultsLayer.html#a06a5154cb72668f0617b7c256e260058">GetExtent</a>(0, psExtent, bForce); }</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRLayer.html#a3be658ddb5b33d1ed95c31286774bbd2">GetExtent</a>(<span class="keywordtype">int</span> iGeomField, <a class="code" href="classOGREnvelope.html">OGREnvelope</a> *psExtent, <span class="keywordtype">int</span> bForce = TRUE);</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classOGRLayer.html#aeedbda1a62f9b89b8e5f24332cf22286">TestCapability</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * );</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> <div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classOGRGenSQLResultsLayer.html#ac2c12f3ced4a79673184abdb6e578fd8"> 123</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRGenSQLResultsLayer.html#ac2c12f3ced4a79673184abdb6e578fd8">SetSpatialFilter</a>( <a class="code" href="classOGRGeometry.html">OGRGeometry</a> * poGeom ) { <a class="code" href="classOGRGenSQLResultsLayer.html#ac2c12f3ced4a79673184abdb6e578fd8">SetSpatialFilter</a>(0, poGeom); }</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRLayer.html#a0b4ab45cf97cbc470f0d60474d3e4169">SetSpatialFilter</a>( <span class="keywordtype">int</span> iGeomField, <a class="code" href="classOGRGeometry.html">OGRGeometry</a> * );</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRLayer.html#acb2c6cc5fa3577df5be538284c1b0dde">SetAttributeFilter</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * );</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> };</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#endif </span><span class="comment">/* ndef _OGR_GENSQL_H_INCLUDED */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"></span></div> <div class="ttc" id="classOGRDataSource_html"><div class="ttname"><a href="classOGRDataSource.html">OGRDataSource</a></div><div class="ttdef"><b>Definition:</b> ogrsf_frmts.h:217</div></div> <div class="ttc" id="classOGRLayer_html_a80473bcfd11341e70dd35bebe94026cf"><div class="ttname"><a href="classOGRLayer.html#a80473bcfd11341e70dd35bebe94026cf">OGRLayer::GetLayerDefn</a></div><div class="ttdeci">virtual OGRFeatureDefn * GetLayerDefn()=0</div><div class="ttdoc">Fetch the schema information for this layer. </div></div> <div class="ttc" id="classOGRLayer_html_acb2c6cc5fa3577df5be538284c1b0dde"><div class="ttname"><a href="classOGRLayer.html#acb2c6cc5fa3577df5be538284c1b0dde">OGRLayer::SetAttributeFilter</a></div><div class="ttdeci">virtual OGRErr SetAttributeFilter(const char *)</div><div class="ttdoc">Set a new attribute query. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:320</div></div> <div class="ttc" id="classOGRLayer_html_a0b4ab45cf97cbc470f0d60474d3e4169"><div class="ttname"><a href="classOGRLayer.html#a0b4ab45cf97cbc470f0d60474d3e4169">OGRLayer::SetSpatialFilter</a></div><div class="ttdeci">virtual void SetSpatialFilter(OGRGeometry *)</div><div class="ttdoc">Set a new spatial filter. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:950</div></div> <div class="ttc" id="classOGRLayer_html_a3be658ddb5b33d1ed95c31286774bbd2"><div class="ttname"><a href="classOGRLayer.html#a3be658ddb5b33d1ed95c31286774bbd2">OGRLayer::GetExtent</a></div><div class="ttdeci">virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE)</div><div class="ttdoc">Fetch the extent of this layer. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:206</div></div> <div class="ttc" id="classOGRLayer_html_acb7625383f161e5a04aeea2173dce411"><div class="ttname"><a href="classOGRLayer.html#acb7625383f161e5a04aeea2173dce411">OGRLayer::GetFeature</a></div><div class="ttdeci">virtual OGRFeature * GetFeature(long nFID)</div><div class="ttdoc">Fetch a feature by its identifier. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:421</div></div> <div class="ttc" id="classOGRLayer_html_adc3735e444204d46f517eec251712f4d"><div class="ttname"><a href="classOGRLayer.html#adc3735e444204d46f517eec251712f4d">OGRLayer::GetSpatialFilter</a></div><div class="ttdeci">virtual OGRGeometry * GetSpatialFilter()</div><div class="ttdoc">This method returns the current spatial filter for this layer. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:928</div></div> <div class="ttc" id="classOGRLayer_html_a74c796d4ce712e9a78df6042eeb8a91a"><div class="ttname"><a href="classOGRLayer.html#a74c796d4ce712e9a78df6042eeb8a91a">OGRLayer::GetFeatureCount</a></div><div class="ttdeci">virtual int GetFeatureCount(int bForce=TRUE)</div><div class="ttdoc">Fetch the feature count in this layer. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:170</div></div> <div class="ttc" id="cpl__hash__set_8h_html"><div class="ttname"><a href="cpl__hash__set_8h.html">cpl_hash_set.h</a></div></div> <div class="ttc" id="classOGRFeatureDefn_html"><div class="ttname"><a href="classOGRFeatureDefn.html">OGRFeatureDefn</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:167</div></div> <div class="ttc" id="struct__CPLHashSet_html"><div class="ttname"><a href="struct__CPLHashSet.html">_CPLHashSet</a></div><div class="ttdef"><b>Definition:</b> cpl_hash_set.cpp:35</div></div> <div class="ttc" id="classOGRLayer_html_a47d21ff33b32d14fa4e9885b9edecad6"><div class="ttname"><a href="classOGRLayer.html#a47d21ff33b32d14fa4e9885b9edecad6">OGRLayer::GetNextFeature</a></div><div class="ttdeci">virtual OGRFeature * GetNextFeature()=0</div><div class="ttdoc">Fetch the next available feature from this layer. </div></div> <div class="ttc" id="classOGRGeometry_html"><div class="ttname"><a href="classOGRGeometry.html">OGRGeometry</a></div><div class="ttdef"><b>Definition:</b> ogr_geometry.h:79</div></div> <div class="ttc" id="ogrsf__frmts_8h_html"><div class="ttname"><a href="ogrsf__frmts_8h.html">ogrsf_frmts.h</a></div></div> <div class="ttc" id="classOGRLayer_html_aeedbda1a62f9b89b8e5f24332cf22286"><div class="ttname"><a href="classOGRLayer.html#aeedbda1a62f9b89b8e5f24332cf22286">OGRLayer::TestCapability</a></div><div class="ttdeci">virtual int TestCapability(const char *)=0</div><div class="ttdoc">Test if this layer supported the named capability. </div></div> <div class="ttc" id="classOGRLayer_html_aad0f2cd7f0587584b8f382c6a913583c"><div class="ttname"><a href="classOGRLayer.html#aad0f2cd7f0587584b8f382c6a913583c">OGRLayer::ResetReading</a></div><div class="ttdeci">virtual void ResetReading()=0</div><div class="ttdoc">Reset feature reading to start on the first feature. </div></div> <div class="ttc" id="classOGREnvelope_html"><div class="ttname"><a href="classOGREnvelope.html">OGREnvelope</a></div><div class="ttdef"><b>Definition:</b> ogr_core.h:48</div></div> <div class="ttc" id="unionOGRField_html"><div class="ttname"><a href="unionOGRField.html">OGRField</a></div><div class="ttdef"><b>Definition:</b> ogr_core.h:427</div></div> <div class="ttc" id="classOGRGenSQLResultsLayer_html_a06a5154cb72668f0617b7c256e260058"><div class="ttname"><a href="classOGRGenSQLResultsLayer.html#a06a5154cb72668f0617b7c256e260058">OGRGenSQLResultsLayer::GetExtent</a></div><div class="ttdeci">virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE)</div><div class="ttdoc">Fetch the extent of this layer. </div><div class="ttdef"><b>Definition:</b> ogr_gensql.h:118</div></div> <div class="ttc" id="classOGRLayer_html"><div class="ttname"><a href="classOGRLayer.html">OGRLayer</a></div><div class="ttdef"><b>Definition:</b> ogrsf_frmts.h:59</div></div> <div class="ttc" id="classOGRFeature_html"><div class="ttname"><a href="classOGRFeature.html">OGRFeature</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:232</div></div> <div class="ttc" id="classOGRGenSQLResultsLayer_html_ac2c12f3ced4a79673184abdb6e578fd8"><div class="ttname"><a href="classOGRGenSQLResultsLayer.html#ac2c12f3ced4a79673184abdb6e578fd8">OGRGenSQLResultsLayer::SetSpatialFilter</a></div><div class="ttdeci">virtual void SetSpatialFilter(OGRGeometry *poGeom)</div><div class="ttdoc">Set a new spatial filter. </div><div class="ttdef"><b>Definition:</b> ogr_gensql.h:123</div></div> <div class="ttc" id="classOGRGenSQLResultsLayer_html"><div class="ttname"><a href="classOGRGenSQLResultsLayer.html">OGRGenSQLResultsLayer</a></div><div class="ttdef"><b>Definition:</b> ogr_gensql.h:52</div></div> <div class="ttc" id="classswq__expr__node_html"><div class="ttname"><a href="classswq__expr__node.html">swq_expr_node</a></div><div class="ttdef"><b>Definition:</b> swq.h:97</div></div> <div class="ttc" id="classOGRLayer_html_ae3b6234d6077a18a19eddaf7e75ff5e1"><div class="ttname"><a href="classOGRLayer.html#ae3b6234d6077a18a19eddaf7e75ff5e1">OGRLayer::SetNextByIndex</a></div><div class="ttdeci">virtual OGRErr SetNextByIndex(long nIndex)</div><div class="ttdoc">Move read cursor to the nIndex&#39;th feature in the current resultset. </div><div class="ttdef"><b>Definition:</b> ogrlayer.cpp:468</div></div> </div><!-- fragment --></div><!-- contents --> <hr> Generated for GDAL by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.8.5. </body> </html>