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<tr><td nowrap align=right valign=top><a name="dbSubSqln55" doxytag="dbDatabase::errorHandler"></a>
dbErrorHandler&nbsp;</td><td valign=bottom><b>errorHandler</b></td></tr>
<tr><td colspan=2><br><h2>Static Protected Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="dbSubSqlq0" doxytag="dbDatabase::internalObjectSize"></a>
size_t&nbsp;</td><td valign=bottom><b>internalObjectSize</b> []</td></tr>
<tr><td colspan=2><br><h2>Friends</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel0" doxytag="dbDatabase::dbSelection"></a>
class&nbsp;</td><td valign=bottom><b>dbSelection</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel1" doxytag="dbDatabase::dbAnyCursor"></a>
class&nbsp;</td><td valign=bottom><a class="el" href="classdbAnyCursor.html#dbDatabasel1">dbAnyCursor</a></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel2" doxytag="dbDatabase::dbHashTable"></a>
class&nbsp;</td><td valign=bottom><b>dbHashTable</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel3" doxytag="dbDatabase::dbQuery"></a>
class&nbsp;</td><td valign=bottom><a class="el" href="classdbQuery.html#dbDatabasel3">dbQuery</a></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel4" doxytag="dbDatabase::dbTtree"></a>
class&nbsp;</td><td valign=bottom><b>dbTtree</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel5" doxytag="dbDatabase::dbTtreeNode"></a>
class&nbsp;</td><td valign=bottom><b>dbTtreeNode</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel6" doxytag="dbDatabase::dbParallelQueryContext"></a>
class&nbsp;</td><td valign=bottom><b>dbParallelQueryContext</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel7" doxytag="dbDatabase::dbServer"></a>
class&nbsp;</td><td valign=bottom><b>dbServer</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel8" doxytag="dbDatabase::dbColumnBinding"></a>
class&nbsp;</td><td valign=bottom><b>dbColumnBinding</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel9" doxytag="dbDatabase::dbUserFunctionArgument"></a>
class&nbsp;</td><td valign=bottom><a class="el" href="classdbUserFunctionArgument.html#dbDatabasel9">dbUserFunctionArgument</a></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel10" doxytag="dbDatabase::dbAnyContainer"></a>
class&nbsp;</td><td valign=bottom><a class="el" href="classdbAnyContainer.html#dbDatabasel10">dbAnyContainer</a></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel11" doxytag="dbDatabase::dbCLI"></a>
class&nbsp;</td><td valign=bottom><b>dbCLI</b></td></tr>
<tr><td nowrap align=right valign=top><a name="dbDatabasel12" doxytag="dbDatabase::GiSTdb"></a>
class&nbsp;</td><td valign=bottom><b>GiSTdb</b></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Database class 
<p>
<hr><h2>Member Enumeration Documentation</h2>
<a name="dbSubSqlt3" doxytag="dbDatabase::dbLockType"></a><p>
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          <td class="md" nowrap valign="top"> enum dbDatabase::dbLockType<code> [protected]</code>
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      &nbsp;
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<p>
Start database transaction <dl compact><dt><b>
Parameters: </b><dd>
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<tr><td valign=top><em>modify</em>&nbsp;</td><td>
if it is update or read-only rtansaction </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
true if version of memory mapping object is not obsolete and reallocation is not possible </dl>    </td>
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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a name="dbDatabasea22" doxytag="dbDatabase::dbDatabase"></a><p>
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          <td class="md" nowrap valign="top"> dbDatabase::dbDatabase </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">dbAccessType&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>type</em> = dbAllAccess, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>size_t&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>dbInitSize</em> = dbDefaultInitDatabaseSize, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>size_t&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>dbExtensionQuantum</em> = dbDefaultExtensionQuantum, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>size_t&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>dbInitIndexSize</em> = dbDefaultInitIndexSize, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>nThreads</em> = 1</td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Database constructor <dl compact><dt><b>
Parameters: </b><dd>
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<tr><td valign=top><em>type</em>&nbsp;</td><td>
access type: <code>dbDatabase::dbReadOnly</code> or <code>dbDatabase::dbAllAcces</code> </td></tr>
<tr><td valign=top><em>dbInitSize</em>&nbsp;</td><td>
initial size of the database. If FastDB is compiled with  DISKLESS_CONFIGURATION option, then in this parameter <b>MAXIMAL</b> size of the  database should be specified (in this mode database can not be reallocated) </td></tr>
<tr><td valign=top><em>dbExtensionQuantum</em>&nbsp;</td><td>
quentum for extending memory allocation bitmap  </td></tr>
<tr><td valign=top><em>dbInitIndexSize</em>&nbsp;</td><td>
initial index size (objects) </td></tr>
<tr><td valign=top><em>nThreads</em>&nbsp;</td><td>
concurrency level for sequential search and sort operations  </td></tr>
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</dl><dl compact><dt><b>
See also: </b><dd>
<a class="el" href="classdbDatabase.html#dbSubSqla14">setConcurrency</a>(unsigned nThreads) </dl>    </td>
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<a name="dbDatabasea23" doxytag="dbDatabase::~dbDatabase"></a><p>
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          <td class="md" nowrap valign="top"> virtual dbDatabase::~dbDatabase </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Database detructor     </td>
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<hr><h2>Member Function Documentation</h2>
<a name="dbSubSqlb38" doxytag="dbDatabase::addIndices"></a><p>
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          <td class="md" nowrap valign="top"> bool dbDatabase::addIndices </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">bool&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>alter</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="classdbTableDescriptor.html">dbTableDescriptor</a> *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>desc</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [protected]</code></td>
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<p>
Add new indices to the table.  <dl compact><dt><b>
Parameters: </b><dd>
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<tr><td valign=top><em>alter</em>&nbsp;</td><td>
if true than indices can be added, otherwise there are some other active  clients and adding new indices about which they will not know can lead to inconsistncy </td></tr>
<tr><td valign=top><em>desc</em>&nbsp;</td><td>
new table descriptor </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
true if indices were succesfully added </dl>    </td>
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<a name="dbSubSqlb39" doxytag="dbDatabase::addNewTable"></a><p>
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          <td class="md" nowrap valign="top"> oid_t dbDatabase::addNewTable </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbTableDescriptor.html">dbTableDescriptor</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>desc</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [protected]</code></td>
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<p>
Add new table to the database <dl compact><dt><b>
Parameters: </b><dd>
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- descriptor of new table </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
oid of created table descriptor record </dl>    </td>
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<a name="dbSubSqlb19" doxytag="dbDatabase::allocate"></a><p>
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          <td class="md" nowrap valign="top"> offs_t dbDatabase::allocate </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">size_t&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>size</em>, </td>