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#include <drizzled/error.h>
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#include <drizzled/table.h>
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#include <drizzled/session.h>
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#include <drizzled/field/timestamp.h>
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#include <drizzled/field/varstring.h>
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#include <drizzled/plugin/daemon.h>
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#include <drizzled/plugin/storage_engine.h>
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#include "drizzled/plugin/daemon.h"
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#include <boost/thread/mutex.hpp>
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int doCreateTable(Session &session,
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const identifier::Table &identifier,
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const TableIdentifier &identifier,
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message::Table &create_proto);
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/* For whatever reason, internal tables can be created by Cursor::open()
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message::Table &create_proto,
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HP_SHARE **internal_share);
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int doRenameTable(Session&, const identifier::Table &from, const identifier::Table &to);
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int doRenameTable(Session&, const TableIdentifier &from, const TableIdentifier &to);
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int doDropTable(Session&, const identifier::Table &identifier);
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int doDropTable(Session&, const TableIdentifier &identifier);
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int doGetTableDefinition(Session& session,
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const identifier::Table &identifier,
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const TableIdentifier &identifier,
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message::Table &table_message);
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uint32_t max_supported_keys() const { return MAX_KEY; }
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return ( HA_ONLY_WHOLE_INDEX | HA_KEY_SCAN_NOT_ROR);
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bool doDoesTableExist(Session& session, const identifier::Table &identifier);
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bool doDoesTableExist(Session& session, const TableIdentifier &identifier);
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void doGetTableIdentifiers(CachedDirectory &directory,
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const identifier::Schema &schema_identifier,
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identifier::Table::vector &set_of_identifiers);
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const SchemaIdentifier &schema_identifier,
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TableIdentifier::vector &set_of_identifiers);
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void HeapEngine::doGetTableIdentifiers(CachedDirectory&,
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const identifier::Schema&,
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identifier::Table::vector&)
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const SchemaIdentifier&,
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TableIdentifier::vector&)
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bool HeapEngine::doDoesTableExist(Session& session, const identifier::Table &identifier)
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bool HeapEngine::doDoesTableExist(Session& session, const TableIdentifier &identifier)
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return session.getMessageCache().doesTableMessageExist(identifier);
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int HeapEngine::doGetTableDefinition(Session &session,
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const identifier::Table &identifier,
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const TableIdentifier &identifier,
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message::Table &table_proto)
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if (session.getMessageCache().getTableMessage(identifier, table_proto))
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We have to ignore ENOENT entries as the MEMORY table is created on open and
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not when doing a CREATE on the table.
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int HeapEngine::doDropTable(Session &session, const identifier::Table &identifier)
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int HeapEngine::doDropTable(Session &session, const TableIdentifier &identifier)
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session.getMessageCache().removeTableMessage(identifier);
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#define MEMORY_STATS_UPDATE_THRESHOLD 10
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int ha_heap::doOpen(const drizzled::identifier::Table &identifier, int mode, uint32_t test_if_locked)
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int ha_heap::doOpen(const drizzled::TableIdentifier &identifier, int mode, uint32_t test_if_locked)
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if ((test_if_locked & HA_OPEN_INTERNAL_TABLE) || (!(file= heap_open(identifier.getPath().c_str(), mode)) && errno == ENOENT))
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Cursor *ha_heap::clone(memory::Root *)
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Cursor *new_handler= getTable()->getMutableShare()->db_type()->getCursor(*getTable());
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identifier::Table identifier(getTable()->getShare()->getSchemaName(),
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TableIdentifier identifier(getTable()->getShare()->getSchemaName(),
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getTable()->getShare()->getTableName(),
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getTable()->getShare()->getPath());
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int HeapEngine::doRenameTable(Session &session, const identifier::Table &from, const identifier::Table &to)
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int HeapEngine::doRenameTable(Session &session, const TableIdentifier &from, const TableIdentifier &to)
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session.getMessageCache().renameTableMessage(from, to);
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return heap_rename(from.getPath().c_str(), to.getPath().c_str());
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int HeapEngine::doCreateTable(Session &session,
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Table &table_arg,
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const identifier::Table &identifier,
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const TableIdentifier &identifier,
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message::Table& create_proto)
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auto_key= key+ 1;
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auto_key_type= field->key_type();
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if ((uint)field->position() + 1 > max_key_fieldnr)
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if ((uint)field->field_index + 1 > max_key_fieldnr)
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/* Do not use seg->fieldnr as it's not reliable in case of temp tables */
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max_key_fieldnr= field->position() + 1;
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max_key_fieldnr= field->field_index + 1;
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"Hash based, stored in memory, useful for temporary tables",
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PLUGIN_LICENSE_GPL,
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NULL, /* system variables */
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NULL /* config options */
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DRIZZLE_DECLARE_PLUGIN_END;