public void Setup()
{
Microsoft.Isam.Esent.Interop.JET_TABLEID tableid;
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.tablename = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
// turn off logging so initialization is faster
Microsoft.Isam.Esent.Interop.Api.JetSetSystemParameter(this.instance, Microsoft.Isam.Esent.Interop.JET_SESID.Nil, Microsoft.Isam.Esent.Interop.JET_param.Recovery, 0, "off");
Microsoft.Isam.Esent.Interop.Api.JetSetSystemParameter(this.instance, Microsoft.Isam.Esent.Interop.JET_SESID.Nil, Microsoft.Isam.Esent.Interop.JET_param.MaxTemporaryTables, 0, null);
Microsoft.Isam.Esent.Interop.Api.JetInit(ref this.instance);
this.session = new Session(this.instance);
Microsoft.Isam.Esent.Interop.Api.JetCreateDatabase(this.session, this.database, String.Empty, out this.dbid, Microsoft.Isam.Esent.Interop.CreateDatabaseGrbit.None);
Microsoft.Isam.Esent.Interop.Api.JetBeginTransaction(this.session);
Microsoft.Isam.Esent.Interop.Api.JetCreateTable(this.session, this.dbid, this.tablename, 0, 100, out tableid);
var columndef = new Microsoft.Isam.Esent.Interop.JET_COLUMNDEF()
{
coltyp = Microsoft.Isam.Esent.Interop.JET_coltyp.Long
};
Microsoft.Isam.Esent.Interop.Api.JetAddColumn(this.session, tableid, "Long", columndef, null, 0, out this.columnid);
string indexDef = "+long\0\0";
Microsoft.Isam.Esent.Interop.Api.JetCreateIndex(this.session, tableid, "primary", Microsoft.Isam.Esent.Interop.CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
Microsoft.Isam.Esent.Interop.Api.JetCloseTable(this.session, tableid);
Microsoft.Isam.Esent.Interop.Api.JetCommitTransaction(this.session, Microsoft.Isam.Esent.Interop.CommitTransactionGrbit.LazyFlush);
Microsoft.Isam.Esent.Interop.Api.JetOpenTable(this.session, this.dbid, this.tablename, null, 0, Microsoft.Isam.Esent.Interop.OpenTableGrbit.None, out this.tableid);
}
internal static void CreateTable(Session session, JET_DBID dbid)
{
JET_TABLEID tableid;
Api.JetCreateTable(session, dbid, ifcHeaderTableName, 1, 100, out tableid);
using (var transaction = new Microsoft.Isam.Esent.Interop.Transaction(session))
{
JET_COLUMNID columnid;
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement
};
Api.JetAddColumn(session, tableid, _colNameHeaderId, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.Currency;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(session, tableid, _colNameEntityCount, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.LongBinary;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(session, tableid, _colNameHeaderData, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.Text;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
columndef.cbMax = 32;
Api.JetAddColumn(session, tableid, _colNameFileVersion, columndef, null, 0, out columnid);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
internal static void CreateTable(JET_SESID sesid, JET_DBID dbid)
{
JET_TABLEID tableid;
Api.JetCreateTable(sesid, dbid, GeometryTableName, 8, 80, out tableid);
using (var transaction = new Microsoft.Isam.Esent.Interop.Transaction(sesid))
{
JET_COLUMNID columnid;
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement
};
Api.JetAddColumn(sesid, tableid, colNameGeometryLabel, columndef, null, 0, out columnid);
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameProductLabel, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.UnsignedByte;
Api.JetAddColumn(sesid, tableid, colNameGeomType, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.Short;
Api.JetAddColumn(sesid, tableid, colNameProductIfcTypeId, columndef, null, 0, out columnid);
Api.JetAddColumn(sesid, tableid, colNameSubPart, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.Binary;
columndef.grbit = ColumndefGrbit.ColumnMaybeNull;
Api.JetAddColumn(sesid, tableid, colNameTransformMatrix, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.LongBinary;
//if (EsentVersion.SupportsWindows7Features)
// columndef.grbit |= Windows7Grbits.ColumnCompressed;
Api.JetAddColumn(sesid, tableid, colNameShapeData, columndef, null, 0, out columnid);
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameGeometryHash, columndef, null, 0, out columnid);
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameStyleLabel, columndef, null, 0, out columnid);
// The primary index is the type and the entity label.
string indexDef = string.Format("+{0}\0\0", colNameGeometryLabel);
Api.JetCreateIndex(sesid, tableid, geometryTablePrimaryIndex, CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
//create index by geometry hashes
indexDef = string.Format("+{0}\0\0", colNameGeometryHash);
Api.JetCreateIndex(sesid, tableid, geometryTableHashIndex, CreateIndexGrbit.IndexDisallowNull, indexDef, indexDef.Length, 100);
//Create index by product
indexDef = string.Format("+{0}\0{1}\0{2}\0{3}\0{4}\0\0", colNameGeomType, colNameProductIfcTypeId, colNameProductLabel, colNameSubPart, colNameStyleLabel);
Api.JetCreateIndex(sesid, tableid, geometryTableGeomTypeIndex, CreateIndexGrbit.IndexUnique, indexDef, indexDef.Length, 100);
//create index by style
indexDef = string.Format("+{0}\0{1}\0{2}\0{3}\0{4}\0\0", colNameGeomType, colNameStyleLabel, colNameProductIfcTypeId, colNameProductLabel, colNameGeometryLabel);
Api.JetCreateIndex(sesid, tableid, geometryTableStyleIndex, CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
Api.JetCloseTable(sesid, tableid);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
public void Setup()
{
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.table = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, this.table, 0, 100, out this.tableid);
JET_COLUMNID ignored;
var columndef = new JET_COLUMNDEF { coltyp = JET_coltyp.Text, cp = JET_CP.Unicode };
Api.JetAddColumn(this.sesid, this.tableid, "C1", columndef, null, 0, out ignored);
Api.JetAddColumn(this.sesid, this.tableid, "C2", columndef, null, 0, out ignored);
Api.JetAddColumn(this.sesid, this.tableid, "C3", columndef, null, 0, out ignored);
Api.JetCreateIndex(this.sesid, this.tableid, "Primary", CreateIndexGrbit.IndexPrimary, "+C1\0\0", 5, 100);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
JET_INDEXCREATE[] indexcreates = new[]
{
new JET_INDEXCREATE { szIndexName = "Index2", cbKey = 5, szKey = "+C2\0\0" },
new JET_INDEXCREATE { szIndexName = "Index3", cbKey = 5, szKey = "+C3\0\0", cbVarSegMac = 100 },
};
Api.JetCreateIndex2(this.sesid, this.tableid, indexcreates, indexcreates.Length);
Api.JetCloseTable(this.sesid, this.tableid);
Api.JetOpenTable(this.sesid, this.dbid, this.table, null, 0, OpenTableGrbit.None, out this.tableid);
}
private static void CreateDocumentsTable(Session session, JET_TABLEID tableid)
{
JET_COLUMNID columnid;
var guidColumn = new JET_COLUMNDEF
{
cbMax = 255,
coltyp = JET_coltyp.Text,
cp = JET_CP.Unicode,
grbit = ColumndefGrbit.ColumnTagged
};
Api.JetAddColumn(session, tableid, "id", guidColumn, null, 0, out columnid);
var collectionColumn = new JET_COLUMNDEF
{
cbMax = 1000,
coltyp = JET_coltyp.Text,
cp = JET_CP.Unicode,
grbit = ColumndefGrbit.ColumnTagged
};
Api.JetAddColumn(session, tableid, "collection_name", collectionColumn, null, 0, out columnid);
const string colectionIndexDef = "+collection_name\0\0";
Api.JetCreateIndex(session, tableid, "by_collection_name", CreateIndexGrbit.None, colectionIndexDef, colectionIndexDef.Length, 100);
var textColumn = new JET_COLUMNDEF
{
coltyp = JET_coltyp.LongText,
grbit = ColumndefGrbit.ColumnTagged
};
Api.JetAddColumn(session, tableid, "data", textColumn, null, 0, out columnid);
const string idIndexDef = "+id\0\0";
Api.JetCreateIndex(session, tableid, "by_id", CreateIndexGrbit.IndexPrimary, idIndexDef, idIndexDef.Length, 100);
}
/// <summary>
/// Main routine. Called when the program starts.
/// </summary>
/// <param name="args">
/// The arguments to the program.
/// </param>
public static void Main(string[] args)
{
JET_INSTANCE instance;
JET_SESID sesid;
JET_DBID dbid;
JET_TABLEID tableid;
JET_COLUMNDEF columndef = new JET_COLUMNDEF();
JET_COLUMNID columnid;
// Initialize ESENT. Setting JET_param.CircularLog to 1 means ESENT will automatically
// delete unneeded logfiles. JetInit will inspect the logfiles to see if the last
// shutdown was clean. If it wasn't (e.g. the application crashed) recovery will be
// run automatically bringing the database to a consistent state.
Api.JetCreateInstance(out instance, "instance");
Api.JetSetSystemParameter(instance, JET_SESID.Nil, JET_param.CircularLog, 1, null);
Api.JetInit(ref instance);
Api.JetBeginSession(instance, out sesid, null, null);
// Create the database. To open an existing database use the JetAttachDatabase and
// JetOpenDatabase APIs.
Api.JetCreateDatabase(sesid, "edbtest.db", null, out dbid, CreateDatabaseGrbit.OverwriteExisting);
// Create the table. Meta-data operations are transacted and can be performed concurrently.
// For example, one session can add a column to a table while another session is reading
// or updating records in the same table.
// This table has no indexes defined, so it will use the default sequential index. Indexes
// can be defined with the JetCreateIndex API.
Api.JetBeginTransaction(sesid);
Api.JetCreateTable(sesid, dbid, "table", 0, 100, out tableid);
columndef.coltyp = JET_coltyp.LongText;
columndef.cp = JET_CP.ASCII;
Api.JetAddColumn(sesid, tableid, "column1", columndef, null, 0, out columnid);
Api.JetCommitTransaction(sesid, CommitTransactionGrbit.LazyFlush);
// Insert a record. This table only has one column but a table can have slightly over 64,000
// columns defined. Unless a column is declared as fixed or variable it won't take any space
// in the record unless set. An individual record can have several hundred columns set at one
// time, the exact number depends on the database page size and the contents of the columns.
Api.JetBeginTransaction(sesid);
Api.JetPrepareUpdate(sesid, tableid, JET_prep.Insert);
string message = "Hello world";
Api.SetColumn(sesid, tableid, columnid, message, Encoding.ASCII);
Api.JetUpdate(sesid, tableid);
Api.JetCommitTransaction(sesid, CommitTransactionGrbit.None); // Use JetRollback() to abort the transaction
// Retrieve a column from the record. Here we move to the first record with JetMove. By using
// JetMoveNext it is possible to iterate through all records in a table. Use JetMakeKey and
// JetSeek to move to a particular record.
Api.JetMove(sesid, tableid, JET_Move.First, MoveGrbit.None);
string buffer = Api.RetrieveColumnAsString(sesid, tableid, columnid, Encoding.ASCII);
Console.WriteLine("{0}", buffer);
// Terminate ESENT. This performs a clean shutdown.
Api.JetCloseTable(sesid, tableid);
Api.JetEndSession(sesid, EndSessionGrbit.None);
Api.JetTerm(instance);
}
/// <summary>
/// Create a JET_COLUMNDEF from a ColumnDefintion.
/// </summary>
/// <param name="definition">The column definition to convert.</param>
/// <returns>A JET_COLUMNDEF representing the ColumnDefintion.</returns>
public JET_COLUMNDEF CreateColumndefFromColumnDefinition(ColumnDefinition definition)
{
ColumndefGrbit grbit = CalculateColumndefGrbit(definition);
var columndef = new JET_COLUMNDEF
{
cbMax = definition.MaxSize,
coltyp = this.columnTypeToColtypMapping[definition.Type],
cp = (ColumnType.AsciiText == definition.Type) ? JET_CP.ASCII : JET_CP.Unicode,
grbit = grbit,
};
return columndef;
}
public void CreateColumnWithDefaultValue()
{
int expected = Any.Int32;
Api.JetBeginTransaction(this.sesid);
var columndef = new JET_COLUMNDEF { coltyp = JET_coltyp.Long };
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, this.tableid, "column_with_default", columndef, BitConverter.GetBytes(expected), 4, out columnid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetBeginTransaction(this.sesid);
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
this.UpdateAndGotoBookmark();
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Assert.AreEqual(expected, Api.RetrieveColumnAsInt32(this.sesid, this.tableid, columnid));
}
public void ConvertColumndefFromNative()
{
var native = new NATIVE_COLUMNDEF()
{
cbMax = 1,
coltyp = (uint)JET_coltyp.LongText,
columnid = 0x100,
cp = 1200,
grbit = (uint)ColumndefGrbit.ColumnMultiValued,
};
var columndef = new JET_COLUMNDEF();
columndef.SetFromNativeColumndef(native);
Assert.AreEqual(1, columndef.cbMax);
Assert.AreEqual(JET_coltyp.LongText, columndef.coltyp);
Assert.AreEqual<uint>(0x100, columndef.columnid.Value);
Assert.AreEqual(JET_CP.Unicode, columndef.cp);
Assert.AreEqual(ColumndefGrbit.ColumnMultiValued, columndef.grbit);
}
public void ConvertColumndefToNative()
{
var columndef = new JET_COLUMNDEF
{
cbMax = 0x1,
coltyp = JET_coltyp.Binary,
cp = JET_CP.Unicode,
grbit = ColumndefGrbit.ColumnAutoincrement
};
NATIVE_COLUMNDEF native = columndef.GetNativeColumndef();
Assert.AreEqual<uint>(0, native.columnid);
Assert.AreEqual<uint>(9, native.coltyp);
Assert.AreEqual<ushort>(0, native.wCountry);
Assert.AreEqual<ushort>(0, native.langid);
Assert.AreEqual<ushort>(1200, native.cp);
Assert.AreEqual<ushort>(0, native.wCollate);
Assert.AreEqual<uint>(1, native.cbMax);
Assert.AreEqual<uint>(0x10, native.grbit);
}
public void Setup()
{
JET_TABLEID tableid;
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.table = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
// turn off logging so initialization is faster
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, this.table, 0, 100, out tableid);
var columndef = new JET_COLUMNDEF { coltyp = JET_coltyp.Long };
Api.JetAddColumn(this.sesid, tableid, "Column1", columndef, null, 0, out this.columnid1);
Api.JetAddColumn(this.sesid, tableid, "Column2", columndef, null, 0, out this.columnid2);
var indexDef = "+Column1\0\0";
Api.JetCreateIndex(this.sesid, tableid, "index1", CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
indexDef = "+Column2\0\0";
Api.JetCreateIndex(this.sesid, tableid, "index2", CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
// Create a cross-product of records. Index intersection can be used to select a subset.
for (int i = 0; i < 10; ++i)
{
for (int j = 0; j < 10; ++j)
{
this.InsertRecord(tableid, i, j);
}
}
Api.JetCloseTable(this.sesid, tableid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
}
public void ConvertColumndefToNative()
{
var columndef = new JET_COLUMNDEF
{
cbMax = 0x1,
coltyp = JET_coltyp.Binary,
cp = JET_CP.Unicode,
grbit = ColumndefGrbit.ColumnAutoincrement
};
NATIVE_COLUMNDEF native = columndef.GetNativeColumndef();
Assert.AreEqual<uint>(0, native.columnid);
Assert.AreEqual<uint>(9, native.coltyp);
#pragma warning disable 618,612 // Disable warning that wCountry/langid/wCollate are obsolete
Assert.AreEqual<ushort>(0, native.wCountry);
Assert.AreEqual<ushort>(0, native.langid);
Assert.AreEqual<ushort>(1200, native.cp);
Assert.AreEqual<ushort>(0, native.wCollate);
#pragma warning restore 618,612
Assert.AreEqual<uint>(1, native.cbMax);
Assert.AreEqual<uint>(0x10, native.grbit);
}
public void AddColumn(JET_TABLEID tableid, ColumnDefinition column)
{
JET_COLUMNDEF column_def;
JET_COLUMNID column_id;
if (columnDefs.ContainsKey(column.Type)) {
column_def = columnDefs[column.Type];
} else {
column_def = new JET_COLUMNDEF();
column_def.coltyp = JET_coltyp.LongBinary;
}
// TODO validate only one of these
if (column.IsAutoIncrement) {
column_def.grbit = column_def.grbit | ColumndefGrbit.ColumnAutoincrement;
}
Api.JetAddColumn(connection.session, tableid, column.Name, column_def, null, 0, out column_id);
if (column.IsPrimaryKey) {
var indexDef = "+" + column.Name + "\0\0";
Api.JetCreateIndex(connection.session, tableid, "primary", CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
}
}
public void CreateTwoIndexes()
{
JET_TABLEID tableToIndex;
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, "tabletoindex", 1, 100, out tableToIndex);
var columndef = new JET_COLUMNDEF()
{
cp = JET_CP.Unicode,
coltyp = JET_coltyp.LongText,
};
Api.JetAddColumn(this.sesid, tableToIndex, "column", columndef, null, 0, out this.testColumnid);
Api.JetCloseTable(this.sesid, tableToIndex);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetOpenTable(this.sesid, this.dbid, "tabletoindex", null, 0, OpenTableGrbit.DenyRead, out tableToIndex);
const string Index1Name = "firstIndex";
const string Index1Description = "-column\0\0";
const string Index2Name = "secondIndex";
const string Index2Description = "+column\0\0";
var indexcreates = new[]
{
new JET_INDEXCREATE
{
szIndexName = Index1Name,
szKey = Index1Description,
cbKey = Index1Description.Length,
grbit = CreateIndexGrbit.None,
ulDensity = 100,
},
new JET_INDEXCREATE
{
szIndexName = Index2Name,
szKey = Index2Description,
cbKey = Index2Description.Length,
grbit = CreateIndexGrbit.None,
ulDensity = 100,
},
};
Api.JetCreateIndex2(this.sesid, tableToIndex, indexcreates, indexcreates.Length);
Api.JetSetCurrentIndex(this.sesid, tableToIndex, Index1Name);
Api.JetSetCurrentIndex(this.sesid, tableToIndex, Index2Name);
Api.JetSetCurrentIndex(this.sesid, tableToIndex, null);
Api.JetCloseTable(this.sesid, tableToIndex);
}
public void GetColumnDictionary()
{
const string ColumnName = "column4";
Api.JetBeginTransaction(this.sesid);
var columndef = new JET_COLUMNDEF()
{
cbMax = 10000,
cp = JET_CP.Unicode,
coltyp = JET_coltyp.LongText,
grbit = ColumndefGrbit.None,
};
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, this.tableid, ColumnName, columndef, null, 0, out columnid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
IDictionary<string, JET_COLUMNID> dict = Api.GetColumnDictionary(this.sesid, this.tableid);
Assert.AreEqual(columnid, dict[ColumnName]);
}
public void JetGetColumnInfo()
{
const string ColumnName = "column3";
Api.JetBeginTransaction(this.sesid);
var columndef = new JET_COLUMNDEF()
{
cbMax = 200,
cp = JET_CP.ASCII,
coltyp = JET_coltyp.LongText,
grbit = ColumndefGrbit.None,
};
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, this.tableid, ColumnName, columndef, null, 0, out columnid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
JET_COLUMNDEF retrievedColumndef;
Api.JetGetColumnInfo(this.sesid, this.dbid, this.table, ColumnName, out retrievedColumndef);
Assert.AreEqual(columndef.cbMax, retrievedColumndef.cbMax);
Assert.AreEqual(columndef.cp, retrievedColumndef.cp);
Assert.AreEqual(columndef.coltyp, retrievedColumndef.coltyp);
Assert.AreEqual(columnid, retrievedColumndef.columnid);
// The grbit isn't asserted as esent will add some options by default
}
public void CreateOneColumnOfEachType()
{
Api.JetBeginTransaction(this.sesid);
foreach (JET_coltyp coltyp in Enum.GetValues(typeof(JET_coltyp)))
{
if (JET_coltyp.Nil != coltyp)
{
var columndef = new JET_COLUMNDEF { coltyp = coltyp };
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, this.tableid, coltyp.ToString(), columndef, null, 0, out columnid);
Assert.AreEqual(columnid, columndef.columnid);
}
}
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
}
internal static void CreateTable(JET_SESID sesid, JET_DBID dbid)
{
JET_TABLEID tableid;
Api.JetCreateTable(sesid, dbid, InstanceTableName, 8, 80, out tableid);
using (var transaction = new Microsoft.Isam.Esent.Interop.Transaction(sesid))
{
JET_COLUMNID columnid;
//Unique instance label
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement |ColumndefGrbit.ColumnNotNULL
};
Api.JetAddColumn(sesid, tableid, colNameInstanceLabel, columndef, null, 0, out columnid);
//IFC type ID
columndef.coltyp = JET_coltyp.Short;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameIfcTypeId, columndef, null, 0, out columnid);
//ifc Product label
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameIfcProductLabel, columndef, null, 0, out columnid);
//style label
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameStyleLabel, columndef, null, 0, out columnid);
//shape label
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameShapeLabel, columndef, null, 0, out columnid);
//Representation Context
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameRepresentationContext, columndef, null, 0, out columnid);
//Representation Context
columndef.coltyp = JET_coltyp.UnsignedByte;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameRepType, columndef, null, 0, out columnid);
//Transformation data
columndef.coltyp = JET_coltyp.Binary;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
columndef.cbMax = SizeOfTransformation;
Api.JetAddColumn(sesid, tableid, colNameTransformation, columndef, null, 0, out columnid);
//Bounding Box data
columndef.coltyp = JET_coltyp.Binary;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameBoundingBox, columndef, null, 0, out columnid);
string indexDef;
// The index on the shape geometry label.
indexDef = string.Format("+{0}\0\0", colNameShapeLabel);
Api.JetCreateIndex(sesid, tableid, geometryShapeIndex, CreateIndexGrbit.IndexDisallowNull, indexDef, indexDef.Length, 100);
//create index by ifc product label.. ..
indexDef = string.Format("+{0}\0\0", colNameIfcProductLabel);
Api.JetCreateIndex(sesid, tableid, productIndex, CreateIndexGrbit.IndexDisallowNull, indexDef, indexDef.Length, 100);
//create index by ifc product type label.. ..
indexDef = string.Format("+{0}\0\0", colNameIfcTypeId);
Api.JetCreateIndex(sesid, tableid, productTypeIndex, CreateIndexGrbit.IndexDisallowNull, indexDef, indexDef.Length, 100);
//create by context,then ifc style...
indexDef = string.Format("+{0}\0{1}\0{2}\0{3}\0\0", colNameRepresentationContext, colNameStyleLabel, colNameIfcTypeId, colNameInstanceLabel);
Api.JetCreateIndex(sesid, tableid, instanceTablePrimaryIndex, CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
Api.JetCloseTable(sesid, tableid);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
public void HowDoIMakeAMultiColumnKey()
{
JET_SESID sesid = this.testSession;
JET_DBID dbid = this.testDbid;
JET_TABLEID tableid;
JET_COLUMNDEF columndef = new JET_COLUMNDEF();
JET_COLUMNID boolColumn;
JET_COLUMNID int32Column;
JET_COLUMNID stringColumn;
JET_COLUMNID dataColumn;
// First create the table. There will be three key columns, a boolean
// an Int32 and a String. There will be one data column.
Api.JetCreateTable(sesid, dbid, "table", 0, 100, out tableid);
columndef.coltyp = JET_coltyp.Bit;
Api.JetAddColumn(sesid, tableid, "bool", columndef, null, 0, out boolColumn);
columndef.coltyp = JET_coltyp.Long;
Api.JetAddColumn(sesid, tableid, "int32", columndef, null, 0, out int32Column);
columndef.coltyp = JET_coltyp.LongText;
columndef.cp = JET_CP.Unicode;
Api.JetAddColumn(sesid, tableid, "string", columndef, null, 0, out stringColumn);
Api.JetAddColumn(sesid, tableid, "data", columndef, null, 0, out dataColumn);
const string KeyDescription = "+bool\0+int32\0+string\0\0";
Api.JetCreateIndex(
sesid,
tableid,
"index",
CreateIndexGrbit.IndexPrimary,
KeyDescription,
KeyDescription.Length,
100);
// Insert a record.
using (var transaction = new Transaction(sesid))
using (var update = new Update(sesid, tableid, JET_prep.Insert))
{
Api.SetColumn(sesid, tableid, boolColumn, true);
Api.SetColumn(sesid, tableid, int32Column, 8);
Api.SetColumn(sesid, tableid, stringColumn, "foo", Encoding.Unicode);
Api.SetColumn(sesid, tableid, dataColumn, "hello world", Encoding.Unicode);
update.Save();
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
// Build a key on the index. The index has 3 segments, a Bool
// (JET_coltyp.Bit), an Int32 (JET_coltyp.Long) and String
// (JET_coltyp.LongText). To build a multi-column key we make
// one call to JetMakeKey for each column. The first call passes
// in MakeKeyGrbit.NewKey.
Api.MakeKey(sesid, tableid, true, MakeKeyGrbit.NewKey);
Api.MakeKey(sesid, tableid, 8, MakeKeyGrbit.None);
Api.MakeKey(sesid, tableid, "foo", Encoding.Unicode, MakeKeyGrbit.None);
Api.JetSeek(sesid, tableid, SeekGrbit.SeekEQ);
Assert.AreEqual("hello world", Api.RetrieveColumnAsString(sesid, tableid, dataColumn));
// Here we seek on a key prefix. The index has 3 segments but
// we only build a key on 2 of them. In this case we use SeekGrbit.SeekGE
// to find the first record that matches the key prefix.
Api.MakeKey(sesid, tableid, true, MakeKeyGrbit.NewKey);
Api.MakeKey(sesid, tableid, 8, MakeKeyGrbit.None);
Api.JetSeek(sesid, tableid, SeekGrbit.SeekGE);
Assert.AreEqual("hello world", Api.RetrieveColumnAsString(sesid, tableid, dataColumn));
}
/// <summary>
/// Add a column to the cursor.
/// </summary>
/// <param name="column">The name of the column.</param>
/// <param name="columndef">The columndefinition.</param>
/// <param name="defaultValue">Default value of the column.</param>
/// <param name="columnid">The columnid of the column.</param>
public virtual void AddColumn(string column, JET_COLUMNDEF columndef, byte[] defaultValue, out JET_COLUMNID columnid)
{
this.CheckNotDisposed();
if (null == defaultValue)
{
Api.JetAddColumn(this.session, this.table, column, columndef, null, 0, out columnid);
}
else
{
Api.JetAddColumn(this.session, this.table, column, columndef, defaultValue, defaultValue.Length, out columnid);
}
}
public void Setup()
{
var random = new Random();
this.numRecords = random.Next(5, 20);
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.table = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
// turn off logging so initialization is faster
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.MaxTemporaryTables, 0, null);
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, this.table, 0, 100, out this.tableid);
var columndef = new JET_COLUMNDEF() { coltyp = JET_coltyp.Long };
Api.JetAddColumn(this.sesid, this.tableid, "Long", columndef, null, 0, out this.columnidLong);
string indexDef = "+long\0\0";
Api.JetCreateIndex(this.sesid, this.tableid, "primary", CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
for (int i = 0; i < this.numRecords; ++i)
{
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
Api.JetSetColumn(this.sesid, this.tableid, this.columnidLong, BitConverter.GetBytes(i), 4, SetColumnGrbit.None, null);
int ignored;
Api.JetUpdate(this.sesid, this.tableid, null, 0, out ignored);
}
Api.JetCloseTable(this.sesid, this.tableid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetOpenTable(this.sesid, this.dbid, this.table, null, 0, OpenTableGrbit.None, out this.tableid);
}
/// <summary>
/// Creates the columns and indexes to store the subscriber metadata.
/// </summary>
/// <param name="sesid">The sesid.</param>
/// <param name="tableid">The tableid.</param>
private static void CreateColumnsAndIndexesForSubscriberMetadata(JET_SESID sesid, JET_TABLEID tableid)
{
using (var transaction = new Transaction(sesid))
{
JET_COLUMNID columnid;
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement
};
Api.JetAddColumn(sesid, tableid, "id", columndef, null, 0, out columnid);
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long
};
Api.JetAddColumn(sesid, tableid, "messageid", columndef, null, 0, out columnid);
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.LongText,
cp = JET_CP.Unicode
};
Api.JetAddColumn(sesid, tableid, "name", columndef, null, 0, out columnid);
Api.JetAddColumn(sesid, tableid, "timetoexpire", columndef, null, 0, out columnid); ////in miliseconds
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Bit
};
Api.JetAddColumn(sesid, tableid, "completed", columndef, null, 0, out columnid);
Api.JetAddColumn(sesid, tableid, "failedortimedout", columndef, null, 0, out columnid);
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.DateTime
};
Api.JetAddColumn(sesid, tableid, "starttime", columndef, null, 0, out columnid);
Api.JetAddColumn(sesid, tableid, "failedortimeouttime", columndef, null, 0, out columnid);
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Short
};
Api.JetAddColumn(sesid, tableid, "retrycount", columndef, null, 0, out columnid);
string indexDef = "+id\0\0";
Api.JetCreateIndex(sesid, tableid, "primary", CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
indexDef = "+messageid\0\0";
Api.JetCreateIndex(sesid, tableid, "messageid", CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
public void HowDoIScanRecords()
{
JET_SESID sesid = this.testSession;
JET_DBID dbid = this.testDbid;
JET_TABLEID tableid;
JET_COLUMNDEF columndef = new JET_COLUMNDEF();
JET_COLUMNID dataColumn;
// First create the table. There in one Int32 column.
Api.JetCreateTable(sesid, dbid, "table", 0, 100, out tableid);
columndef.coltyp = JET_coltyp.Long;
Api.JetAddColumn(sesid, tableid, "data", columndef, null, 0, out dataColumn);
// Insert some records
using (var transaction = new Transaction(sesid))
{
for (int i = 0; i < 10; ++i)
{
using (var update = new Update(sesid, tableid, JET_prep.Insert))
{
Api.SetColumn(sesid, tableid, dataColumn, i);
update.Save();
}
}
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
// This pattern can be used to enumerate all records in a table/index.
int? sum = 0;
Api.MoveBeforeFirst(sesid, tableid);
while (Api.TryMoveNext(sesid, tableid))
{
sum += Api.RetrieveColumnAsInt32(sesid, tableid, dataColumn);
}
Assert.AreEqual(45, (int)sum);
}
public void Setup()
{
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.table = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, this.table, 0, 100, out this.tableid);
var columndef = new JET_COLUMNDEF()
{
cp = JET_CP.Unicode,
coltyp = JET_coltyp.LongText,
};
Api.JetAddColumn(this.sesid, this.tableid, "TestColumn", columndef, null, 0, out this.testColumnid);
Api.JetCloseTable(this.sesid, this.tableid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetOpenTable(this.sesid, this.dbid, this.table, null, 0, OpenTableGrbit.None, out this.tableid);
}
public void Setup()
{
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.table = "table";
this.instance = SetupHelper.CreateNewInstance(this.directory);
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.MaxTemporaryTables, 0, null);
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTable(this.sesid, this.dbid, this.table, 0, 100, out this.tableid);
var columndef = new JET_COLUMNDEF()
{
coltyp = JET_coltyp.Long,
};
Api.JetAddColumn(this.sesid, this.tableid, "keycolumn", columndef, null, 0, out this.keyColumn);
columndef = new JET_COLUMNDEF()
{
cp = JET_CP.Unicode,
coltyp = JET_coltyp.LongText,
grbit = ColumndefGrbit.ColumnMultiValued,
};
Api.JetAddColumn(this.sesid, this.tableid, "mvcolumn", columndef, null, 0, out this.multiValueColumn);
const string PrimaryIndexDescription = "+keycolumn\0\0";
Api.JetCreateIndex(this.sesid, this.tableid, "primary", CreateIndexGrbit.IndexPrimary, PrimaryIndexDescription, PrimaryIndexDescription.Length, 0);
const string MultiValueIndexDescription = "+mvcolumn\0\0";
Api.JetCreateIndex(this.sesid, this.tableid, "index", CreateIndexGrbit.None, MultiValueIndexDescription, MultiValueIndexDescription.Length, 0);
Api.JetCloseTable(this.sesid, this.tableid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetOpenTable(this.sesid, this.dbid, this.table, null, 0, OpenTableGrbit.None, out this.tableid);
}
public void TestJetDeleteColumn2()
{
const string ColumnName = "column_to_delete";
Api.JetBeginTransaction(this.sesid);
var columndef = new JET_COLUMNDEF() { coltyp = JET_coltyp.Long };
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, this.tableid, ColumnName, columndef, null, 0, out columnid);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetBeginTransaction(this.sesid);
Api.JetDeleteColumn2(this.sesid, this.tableid, ColumnName, DeleteColumnGrbit.None);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
try
{
// TODO: deal with versions of this API that return info on the deleted column
Api.JetGetTableColumnInfo(this.sesid, this.tableid, ColumnName, out columndef);
Assert.Fail("Column is still visible");
}
catch (EsentErrorException)
{
}
}
public void TestJetSetColumnDefaultValue()
{
JET_TABLEID tableid;
Api.JetCreateTable(this.sesid, this.dbid, "table", 1, 100, out tableid);
// The column needs to be a tagged column so the default value isn't persisted
// in the record at insert time.
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.LongText,
cp = JET_CP.Unicode,
};
byte[] defaultValue = Encoding.ASCII.GetBytes("default");
JET_COLUMNID columnid;
Api.JetAddColumn(this.sesid, tableid, "column", columndef, defaultValue, defaultValue.Length, out columnid);
Api.JetPrepareUpdate(this.sesid, tableid, JET_prep.Insert);
Api.JetUpdate(this.sesid, tableid);
Assert.AreEqual("default", this.RetrieveAsciiColumnFromFirstRecord(tableid, columnid));
Api.JetCloseTable(this.sesid, tableid);
byte[] newDefaultValue = Encoding.ASCII.GetBytes("newfault");
Api.JetSetColumnDefaultValue(
this.sesid, this.dbid, "table", "column", newDefaultValue, newDefaultValue.Length, SetColumnDefaultValueGrbit.None);
Api.JetOpenTable(this.sesid, this.dbid, "table", null, 0, OpenTableGrbit.None, out tableid);
Assert.AreEqual("newfault", this.RetrieveAsciiColumnFromFirstRecord(tableid, columnid));
}
public void Setup()
{
this.directory = SetupHelper.CreateRandomDirectory();
this.database = Path.Combine(this.directory, "database.edb");
this.instance = SetupHelper.CreateNewInstance(this.directory);
Api.JetSetSystemParameter(this.instance, JET_SESID.Nil, JET_param.Recovery, 0, "off");
Api.JetInit(ref this.instance);
Api.JetBeginSession(this.instance, out this.sesid, String.Empty, String.Empty);
Api.JetCreateDatabase(this.sesid, this.database, String.Empty, out this.dbid, CreateDatabaseGrbit.None);
Api.JetBeginTransaction(this.sesid);
this.columncreatesBase = new JET_COLUMNCREATE[]
{
new JET_COLUMNCREATE()
{
szColumnName = "col1_short",
coltyp = JET_coltyp.Short,
grbit = ColumndefGrbit.ColumnFixed,
cbMax = 2,
},
new JET_COLUMNCREATE()
{
szColumnName = "col2_longtext",
coltyp = JET_coltyp.LongText,
cp = JET_CP.Unicode,
},
};
this.columncreatesChild = new JET_COLUMNCREATE[]
{
new JET_COLUMNCREATE()
{
szColumnName = "col1_short_child",
coltyp = JET_coltyp.Short,
cbMax = 2,
},
new JET_COLUMNCREATE()
{
szColumnName = "col2_longtext_child",
coltyp = JET_coltyp.LongText,
grbit = ColumndefGrbit.ColumnTagged,
cp = JET_CP.Unicode,
},
};
const string Index1Name = "firstIndex";
const string Index1Description = "+col1_short\0-col2_longtext\0";
const string Index2Name = "secondIndex";
const string Index2Description = "+col2_longtext\0-col1_short\0";
var indexcreates = new JET_INDEXCREATE[]
{
new JET_INDEXCREATE
{
szIndexName = Index1Name,
szKey = Index1Description,
cbKey = Index1Description.Length + 1,
grbit = CreateIndexGrbit.None,
ulDensity = 99,
},
new JET_INDEXCREATE
{
szIndexName = Index2Name,
szKey = Index2Description,
cbKey = Index2Description.Length + 1,
grbit = CreateIndexGrbit.None,
ulDensity = 79,
},
};
this.tablecreateTemplate = new JET_TABLECREATE()
{
szTableName = "tableBase",
ulPages = 23,
ulDensity = 75,
cColumns = this.columncreatesBase.Length,
rgcolumncreate = this.columncreatesBase,
rgindexcreate = indexcreates,
cIndexes = indexcreates.Length,
cbSeparateLV = 100,
cbtyp = JET_cbtyp.Null,
grbit = CreateTableColumnIndexGrbit.TemplateTable,
};
Api.JetBeginTransaction(this.sesid);
Api.JetCreateTableColumnIndex3(this.sesid, this.dbid, this.tablecreateTemplate);
var columndef = new JET_COLUMNDEF()
{
cp = JET_CP.Unicode,
coltyp = JET_coltyp.LongText,
};
var tableCreated = new JET_TABLEID()
{
Value = this.tablecreateTemplate.tableid.Value
};
Api.JetCloseTable(this.sesid, tableCreated);
this.tablecreateChild = new JET_TABLECREATE()
{
szTableName = "tableChild",
szTemplateTableName = "tableBase",
ulPages = 23,
ulDensity = 75,
rgcolumncreate = this.columncreatesChild,
cColumns = this.columncreatesChild.Length,
rgindexcreate = null,
cIndexes = 0,
cbSeparateLV = 100,
cbtyp = JET_cbtyp.Null,
grbit = CreateTableColumnIndexGrbit.None,
};
Api.JetCreateTableColumnIndex3(this.sesid, this.dbid, this.tablecreateChild);
this.tableidChild = new JET_TABLEID()
{
Value = this.tablecreateChild.tableid.Value
};
Api.JetCloseTable(this.sesid, this.tableidChild);
Api.JetCommitTransaction(this.sesid, CommitTransactionGrbit.LazyFlush);
Api.JetOpenTable(this.sesid, this.dbid, this.tablecreateTemplate.szTableName, null, 0, OpenTableGrbit.None, out this.tableidParent);
Api.JetOpenTable(this.sesid, this.dbid, this.tablecreateChild.szTableName, null, 0, OpenTableGrbit.None, out this.tableidChild);
}
public void HowDoIRetrieveAnAutoInc()
{
JET_SESID sesid = this.testSession;
JET_DBID dbid = this.testDbid;
JET_TABLEID tableid;
JET_COLUMNDEF columndef = new JET_COLUMNDEF();
JET_COLUMNID autoincColumn;
// First create the table. There is one autoinc column.
Api.JetCreateTable(sesid, dbid, "table", 0, 100, out tableid);
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnAutoincrement;
Api.JetAddColumn(sesid, tableid, "data", columndef, null, 0, out autoincColumn);
// Once the update is prepared the autoinc column can be retrieved. This
// requires the RetrieveCopy option, which gets a value from the record
// currently under construction.
for (int i = 0; i < 10; i++)
{
using (var update = new Update(sesid, tableid, JET_prep.Insert))
{
int? autoinc = Api.RetrieveColumnAsInt32(
sesid,
tableid,
autoincColumn,
RetrieveColumnGrbit.RetrieveCopy);
Console.WriteLine("{0}", autoinc);
update.Save();
}
}
}
internal static void CreateTable(JET_SESID sesid, JET_DBID dbid)
{
JET_TABLEID tableid;
Api.JetCreateTable(sesid, dbid, GeometryTableName, 8, 80, out tableid);
using (var transaction = new Microsoft.Isam.Esent.Interop.Transaction(sesid))
{
JET_COLUMNID columnid;
//Unique geometry label
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement | ColumndefGrbit.ColumnNotNULL
};
Api.JetAddColumn(sesid, tableid, colNameShapeLabel, columndef, null, 0, out columnid);
//IFC shape label
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameIfcShapeLabel, columndef, null, 0, out columnid);
//Geometry hash
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnMaybeNull;
Api.JetAddColumn(sesid, tableid, colNameGeometryHash, columndef, null, 0, out columnid);
//cost
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameCost, columndef, null, 0, out columnid);
//reference count
columndef.coltyp = JET_coltyp.Long;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameReferenceCount, columndef, null, 0, out columnid);
//LOD
columndef.coltyp = JET_coltyp.UnsignedByte;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameLOD, columndef, null, 0, out columnid);
//Data format type
columndef.coltyp = JET_coltyp.UnsignedByte;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameFormat, columndef, null, 0, out columnid);
//Bounding Box data
columndef.coltyp = JET_coltyp.Binary;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameBoundingBox, columndef, null, 0, out columnid);
//Shape data
columndef.coltyp = JET_coltyp.LongBinary;
columndef.grbit = ColumndefGrbit.ColumnNotNULL;
Api.JetAddColumn(sesid, tableid, colNameShapeData, columndef, null, 0, out columnid);
// The primary index is the geometry label.
string indexDef = string.Format("+{0}\0\0", colNameShapeLabel);
Api.JetCreateIndex(sesid, tableid, geometryTablePrimaryIndex, CreateIndexGrbit.IndexPrimary|CreateIndexGrbit.IndexDisallowNull, indexDef, indexDef.Length, 100);
//create index by geometry hashes
indexDef = string.Format("+{0}\0\0", colNameGeometryHash);
// Api.JetCreateIndex(sesid, tableid, geometryTableHashIndex, CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
//create indexfor reference count
indexDef = string.Format("-{0}\0{1}\0{2}\0\0", colNameCost, colNameReferenceCount, colNameShapeLabel);
Api.JetCreateIndex(sesid, tableid, geometryTableReferenceIndex, CreateIndexGrbit.None, indexDef, indexDef.Length, 100);
Api.JetCloseTable(sesid, tableid);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
/// <summary>
/// Create the required columns and indexes for the message store.
/// Creates 3 columns, an ID column, a Message colum for the data and a metadata colum that stores information on the message and the subscribers
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to add the columns/indexes to. This table must be opened exclusively.
/// </param>
private static void CreateColumnsAndIndexes(JET_SESID sesid, JET_TABLEID tableid)
{
using (var transaction = new Transaction(sesid))
{
JET_COLUMNID columnid;
var columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.LongBinary
};
Api.JetAddColumn(sesid, tableid, "payload", columndef, null, 0, out columnid);
columndef = new JET_COLUMNDEF
{
coltyp = JET_coltyp.Long,
grbit = ColumndefGrbit.ColumnAutoincrement
};
Api.JetAddColumn(sesid, tableid, "id", columndef, null, 0, out columnid);
string indexDef = "+id\0\0";
Api.JetCreateIndex(sesid, tableid, "primary", CreateIndexGrbit.IndexPrimary, indexDef, indexDef.Length, 100);
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
