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FastDb是高效的内存数据库系统

00725             }
00726         }
00727         <span class="keywordflow">return</span> field;
00728     }
00729 
<a name="l00733"></a><a class="code" href="classdbTableDescriptor.html#dbTableDescriptora5">00733</a>     <span class="keywordtype">char</span>* getName() { 
00734         <span class="keywordflow">return</span> name;
00735     }
00736 
00741     <span class="keywordtype">void</span> setFlags();
00742 
00749     <span class="keywordtype">bool</span> equal(<a class="code" href="classdbTable.html">dbTable</a>* table);
00750 
00759     <span class="keywordtype">bool</span> match(<a class="code" href="classdbTable.html">dbTable</a>* table, <span class="keywordtype">bool</span> confirmDeleteColumns);
00760 
00766     <span class="keywordtype">void</span> checkRelationship();
00767 
<a name="l00772"></a><a class="code" href="classdbTableDescriptor.html#dbTableDescriptora10">00772</a>     <a class="code" href="classdbDatabase.html">dbDatabase</a>* getDatabase() { 
00773         assert(db != DETACHED_TABLE);
00774         <span class="keywordflow">return</span> db; 
00775     }
00776 
00781     <span class="keywordtype">void</span> storeInDatabase(<a class="code" href="classdbTable.html">dbTable</a>* table);
00782 
00786     <span class="keyword">static</span> <span class="keywordtype">void</span> cleanup();
00787 
00792     dbTableDescriptor(<a class="code" href="classdbTable.html">dbTable</a>* table);
00793 
00802     dbTableDescriptor(<span class="keywordtype">char</span>* tableName, <a class="code" href="classdbDatabase.html">dbDatabase</a>* db, size_t objSize, 
00803                       describeFunc func, dbTableDescriptor* original = NULL);
00804 
00808     ~dbTableDescriptor();
00809 };
00810 
<a name="l00814"></a><a class="code" href="structdbVarying.html">00814</a> <span class="keyword">struct </span><a class="code" href="structdbVarying.html">dbVarying</a> { 
00815     nat4 size; <span class="comment">// number of elements in the array</span>
00816     int4 offs; <span class="comment">// offset from the beginning of the record</span>
00817 };
00818 
<a name="l00822"></a><a class="code" href="structdbField.html">00822</a> <span class="keyword">struct </span><a class="code" href="structdbField.html">dbField</a> { 
00823     <span class="keyword">enum</span> FieldTypes { 
00824         tpBool,
00825         tpInt1,
00826         tpInt2,
00827         tpInt4,
00828         tpInt8,
00829         tpReal4, 
00830         tpReal8, 
00831         tpString,
00832         tpReference,
00833         tpArray,
00834         tpMethodBool,
00835         tpMethodInt1,
00836         tpMethodInt2,
00837         tpMethodInt4,
00838         tpMethodInt8,
00839         tpMethodReal4,
00840         tpMethodReal8,
00841         tpMethodString,
00842         tpMethodReference,
00843         tpStructure,
00844         tpRawBinary, 
00845         tpStdString,
00846         tpUnknown
00847     };
00848         
<a name="l00852"></a><a class="code" href="structdbField.html#dbFieldo0">00852</a>     <a class="code" href="structdbVarying.html">dbVarying</a> <a class="code" href="structdbField.html#dbFieldo0">name</a>;    
00853 
<a name="l00857"></a><a class="code" href="structdbField.html#dbFieldo1">00857</a>     <a class="code" href="structdbVarying.html">dbVarying</a> <a class="code" href="structdbField.html#dbFieldo1">tableName</a>; 
00858 
<a name="l00862"></a><a class="code" href="structdbField.html#dbFieldo2">00862</a>     <a class="code" href="structdbVarying.html">dbVarying</a> <a class="code" href="structdbField.html#dbFieldo2">inverse</a>; 
00863     
<a name="l00867"></a><a class="code" href="structdbField.html#dbFieldo3">00867</a>     int4      <a class="code" href="structdbField.html#dbFieldo3">type</a>;
00868 
<a name="l00872"></a><a class="code" href="structdbField.html#dbFieldo4">00872</a>     int4      <a class="code" href="structdbField.html#dbFieldo4">offset</a>; 
00873 
<a name="l00877"></a><a class="code" href="structdbField.html#dbFieldo5">00877</a>     nat4      <a class="code" href="structdbField.html#dbFieldo5">size</a>;
00878 
<a name="l00882"></a><a class="code" href="structdbField.html#dbFieldo6">00882</a>     oid_t     <a class="code" href="structdbField.html#dbFieldo6">hashTable</a>;
00883 
<a name="l00887"></a><a class="code" href="structdbField.html#dbFieldo7">00887</a>     oid_t     <a class="code" href="structdbField.html#dbFieldo7">tTree</a>;
00888 };     
00889 
00890 
<a name="l00894"></a><a class="code" href="classdbRecord.html">00894</a> <span class="keyword">class </span><a class="code" href="classdbRecord.html">dbRecord</a> { 
00895   <span class="keyword">public</span>:
<a name="l00899"></a><a class="code" href="classdbRecord.html#dbTableo8">00899</a>     nat4   <a class="code" href="classdbRecord.html#dbTableo8">size</a>;
00900 
<a name="l00904"></a><a class="code" href="classdbRecord.html#dbTableo9">00904</a>     oid_t  <a class="code" href="classdbRecord.html#dbTableo9">next</a>;
00905 
<a name="l00909"></a><a class="code" href="classdbRecord.html#dbTableo10">00909</a>     oid_t  <a class="code" href="classdbRecord.html#dbTableo10">prev</a>;
00910 };
00911 
00912 
<a name="l00916"></a><a class="code" href="classdbTable.html">00916</a> <span class="keyword">class </span><a class="code" href="classdbTable.html">dbTable</a> : <span class="keyword">public</span> <a class="code" href="classdbRecord.html">dbRecord</a> { 
00917   <span class="keyword">public</span>:
<a name="l00921"></a><a class="code" href="classdbTable.html#dbTableo0">00921</a>     <a class="code" href="structdbVarying.html">dbVarying</a> <a class="code" href="classdbTable.html#dbTableo0">name</a>;
00922     
<a name="l00926"></a><a class="code" href="classdbTable.html#dbTableo1">00926</a>     <a class="code" href="structdbVarying.html">dbVarying</a> <a class="code" href="classdbTable.html#dbTableo1">fields</a>;
00927 
<a name="l00931"></a><a class="code" href="classdbTable.html#dbTableo2">00931</a>     nat4      <a class="code" href="classdbTable.html#dbTableo2">fixedSize</a>;
00932 
<a name="l00936"></a><a class="code" href="classdbTable.html#dbTableo3">00936</a>     nat4      <a class="code" href="classdbTable.html#dbTableo3">nRows</a>;
00937 
<a name="l00941"></a><a class="code" href="classdbTable.html#dbTableo4">00941</a>     nat4      <a class="code" href="classdbTable.html#dbTableo4">nColumns</a>;
00942     
<a name="l00946"></a><a class="code" href="classdbTable.html#dbTableo5">00946</a>     oid_t     <a class="code" href="classdbTable.html#dbTableo5">firstRow</a>;
00947 
<a name="l00951"></a><a class="code" href="classdbTable.html#dbTableo6">00951</a>     oid_t     <a class="code" href="classdbTable.html#dbTableo6">lastRow</a>;
00952 <span class="preprocessor">#ifdef AUTOINCREMENT_SUPPORT</span>
00953 <span class="preprocessor"></span>
<a name="l00956"></a><a class="code" href="classdbTable.html#dbTableo7">00956</a>     nat4      <a class="code" href="classdbTable.html#dbTableo7">count</a>;
00957 <span class="preprocessor">#endif</span>
00958 <span class="preprocessor"></span>};
00959 
00960 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeRawField(dbFieldDescriptor* fd, dbUDTComparator comparator)
00961 {
00962     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpRawBinary;
00963     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro24">alignment</a> = 1;
00964     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro25">comparator</a> = comparator;
00965     <span class="keywordflow">return</span> fd;
00966 }
00967 
00968 
00969 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
00970 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, T&amp; x) 
00971 { 
00972     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpStructure;
00973     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro19">components</a> = x.dbDescribeComponents(fd);
00974     <span class="keywordflow">return</span> fd;
00975 }
00976 
00977 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, int1&amp;) 
00978 { 
00979     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt1; 
00980     <span class="keywordflow">return</span> fd;
00981 }
00982 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, int2&amp;) 
00983 { 
00984     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt2; 
00985     <span class="keywordflow">return</span> fd;
00986 }
00987 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, int4&amp;) 
00988 { 
00989     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt4; 
00990     <span class="keywordflow">return</span> fd;
00991 }
00992 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, db_int8&amp;) 
00993 { 
00994     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt8; 
00995     <span class="keywordflow">return</span> fd;
00996 }
00997 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, nat1&amp;) 
00998 { 
00999     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt1; 
01000     <span class="keywordflow">return</span> fd;
01001 }
01002 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, nat2&amp;) 
01003 { 
01004     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt2; 
01005     <span class="keywordflow">return</span> fd;
01006 }
01007 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, nat4&amp;) 
01008 { 
01009     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt4; 
01010     <span class="keywordflow">return</span> fd;
01011 }
01012 <span class="keyword">inline</span> dbFieldDescriptor* dbDescribeField(dbFieldDescriptor* fd, nat8&amp;) 
01013 { 
01014     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptoro15">appType</a> = dbField::tpInt8; 
01015     <span class="keywordflow">return</span> fd;
01016 }