public static string GetBuilderName(SqlType sql, string tableName)
{
string result = GetModel(sql, tableName) ?? tableName;
result = result.Substring(0, 1).ToLower() + result.Substring(1);
result += "Builder";
return result;
}
public bool RunSprocs(DirectoryInfo directory, SqlType dialect, DatabaseTable table)
{
if (table == null)
{
Message = "No table";
return false;
}
var gen = new DdlGeneratorFactory(dialect).ProcedureGenerator(table);
if (gen == null)
{
//there is no sproc provider (SQLite)
Message = @"There is no sproc generator";
return false;
}
var path = Path.Combine(directory.FullName, table.Name + "_sprocs.sql");
try
{
gen.WriteToScript(path);
Message = @"Wrote " + path;
return true;
}
catch (Exception exception)
{
Message =
@"An error occurred while creating the script.\n" + exception.Message;
}
return false;
}
public bool RunTableDdl(DirectoryInfo directory, SqlType dialect)
{
var tg = new DdlGeneratorFactory(dialect).AllTablesGenerator(_databaseSchema);
tg.IncludeSchema = false;
string txt;
try
{
txt = tg.Write();
}
catch (Exception exception)
{
Message =
@"An error occurred while creating the script.\n" + exception.Message;
return false;
}
try
{
var path = Path.Combine(directory.FullName, "table.sql");
File.WriteAllText(path, txt);
Message = @"Wrote " + path;
return true;
}
catch (Exception exception)
{
Message =
@"An IO error occurred while writing the file.\n" + exception.Message;
}
return false;
}
public IndexCollation(SqlType type, CollationColumn[] columns, string function)
{
if (columns.Length == 0)
throw new ArgumentException("Cannot create an empty collation.", "columns");
if (columns.Length > 1) {
if (!(type is SqlCompositeType))
throw new ArgumentException("Composite indexes must be represented by composite-type");
SqlCompositeType ctype = (SqlCompositeType) type;
if (ctype.PartCount != columns.Length)
throw new ArgumentException("Composite type size different to the number of columns given", "columns");
}
// Can't contain identical columns
for (int i = 0; i < columns.Length; ++i) {
for (int n = 0; n < columns.Length; ++n) {
if (i != n && columns[i].ColumnName.Equals(columns[n].ColumnName))
throw new ArgumentException("Repeat column '" + columns[i] +"' name");
}
}
this.type = type;
this.function = function;
this.columns = (CollationColumn[]) columns.Clone();
}
public virtual TableColumn Add(string columnName, SqlType columnType, bool notNull)
{
CheckNotReadOnly();
TableColumn column = new TableColumn(table, -1, columnName, columnType, notNull);
columns.Add(column);
return column;
}
public Table(string schema, string table, string alias, SqlType sqlType = SqlType.SqlServer)
{
this.SchemaName = schema;
this.TableName = table;
this.Alias = alias;
this.formatModel = sqlType.BuildFormatSystemModel();
}
public ColumnAttribute(string name, SqlType type, int size, int scale)
{
this.name = name;
this.type = type;
this.size = size;
this.scale = scale;
}
public override DataObject CastTo(DataObject value, SqlType destType)
{
var bValue = ((SqlBoolean) value.Value);
if (destType is StringType) {
var s = Convert.ToString(bValue);
// TODO: Provide a method in StringType to build a string specific to the type
return new DataObject(destType, new SqlString(s));
}
if (destType is NumericType) {
SqlNumber num;
if (bValue == SqlBoolean.Null) {
num = SqlNumber.Null;
} else if (bValue) {
num = SqlNumber.One;
} else {
num = SqlNumber.Zero;
}
return new DataObject(destType, num);
}
if (destType is BinaryType) {
var bytes = (byte[]) Convert.ChangeType(bValue, typeof (byte[]), CultureInfo.InvariantCulture);
return new DataObject(destType, new SqlBinary(bytes));
}
if (destType is BooleanType)
return value;
return base.CastTo(value, destType);
}
public override bool CanCastTo(SqlType destType)
{
return destType is StringType ||
destType is NumericType ||
destType is BinaryType ||
destType is BooleanType;
}
/// <summary>
/// トランザクション付きコマンドの取得
/// </summary>
/// <param name="dao"></param>
/// <param name="tx"></param>
/// <param name="serverType"></param>
/// <returns></returns>
public static DbCommand CommandTransaction(this IDao dao, DbTransaction tx, SqlType serverType)
{
switch (serverType)
{
case SqlType.SqlServer:
{
var command = new SqlCommand();
command.Connection = (SqlConnection)dao.Con;
command.Transaction = (SqlTransaction)tx;
if (log.IsInfoEnabled)
{
log.Info("command type is SqlCommand.");
}
return command;
}
default:
{
if (log.IsErrorEnabled)
{
log.Error("Don't supported command type. Type is " + Enum.GetName(typeof(SqlType), serverType));
}
return null;
}
}
}
public RoutineParameter(string name, SqlType type, ParameterDirection direction, ParameterAttributes attributes)
{
Attributes = attributes;
Direction = direction;
Type = type;
Name = name;
}
public SqlWriterCommonTest(SqlType sqlType, DatabaseTable table, DbProviderFactory factory, string connectionString)
{
_connectionString = connectionString;
_factory = factory;
_table = table;
_sqlType = sqlType;
}
public static SchemaExtendedReader Create(string connectionString, SqlType sqlType)
{
SchemaExtendedReader schemaReader;
switch (sqlType)
{
case SqlType.Oracle:
schemaReader = new OracleSchemaReader(connectionString, "System.Data.OracleClient");
break;
case SqlType.SqlServer:
schemaReader = new SqlAzureOrSqlServerSchemaReader(connectionString, "System.Data.SqlClient");
break;
case SqlType.SqlServerCe:
schemaReader = new SqlServerCeSchemaReader(connectionString, "System.Data.SqlServerCe.4.0");
break;
case SqlType.MySql:
schemaReader = new MySqlSchemaReader(connectionString, "MySql.Data.MySqlClient");
break;
case SqlType.PostgreSql:
schemaReader = new PostgreSqlSchemaReader(connectionString, "Npgsql");
break;
case SqlType.Db2:
schemaReader = new Db2SchemaReader(connectionString, "IBM.Data.DB2");
break;
case SqlType.SQLite:
schemaReader = new SchemaExtendedReader(connectionString, "System.Data.SQLite");
break;
default:
throw new ArgumentOutOfRangeException("sqlType", "Not a recognized SqlType");
}
return schemaReader;
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseSchema"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="sqlType">Type of the provider</param>
public DatabaseSchema(string connectionString, SqlType sqlType)
:this(connectionString, null)
{
switch (sqlType)
{
case SqlType.SqlServer:
Provider = "System.Data.SqlClient";
break;
case SqlType.Oracle:
Provider = "System.Data.OracleClient";
break;
case SqlType.MySql:
Provider = "MySql.Data.MySqlClient";
break;
case SqlType.SQLite:
Provider = "System.Data.SQLite";
break;
case SqlType.SqlServerCe:
Provider = "System.Data.SqlServerCe.4.0";
break;
case SqlType.PostgreSql:
Provider = "Npgsql";
break;
case SqlType.Db2:
Provider = "IBM.Data.DB2";
break;
default:
throw new ArgumentOutOfRangeException("sqlType");
}
}
public FunctionInfo(ObjectName routineName, RoutineParameter[] parameters, SqlType returnType, FunctionType functionType)
: base(routineName, parameters)
{
ReturnType = returnType;
FunctionType = functionType;
AssertUnboundAtEnd();
}
public ReturnTypeVisitor(IQueryContext queryContext, IVariableResolver variableResolver)
{
this.queryContext = queryContext;
this.variableResolver = variableResolver;
sqlType = PrimitiveTypes.Null();
}
public FunctionInfo(ObjectName routineName, SqlType returnType, FunctionType functionType)
: base(routineName)
{
ReturnType = returnType;
FunctionType = functionType;
AssertUnboundAtEnd();
}
public static bool IsPrimitive(SqlType sqlType)
{
if (sqlType == SqlType.Numeric ||
sqlType == SqlType.TinyInt ||
sqlType == SqlType.SmallInt ||
sqlType == SqlType.Integer ||
sqlType == SqlType.BigInt ||
sqlType == SqlType.Real ||
sqlType == SqlType.Double ||
sqlType == SqlType.Float ||
sqlType == SqlType.Decimal)
return true;
if (sqlType == SqlType.BigInt ||
sqlType == SqlType.Boolean)
return true;
if (sqlType == SqlType.Char ||
sqlType == SqlType.VarChar ||
sqlType == SqlType.LongVarChar ||
sqlType == SqlType.String ||
sqlType == SqlType.Clob)
return true;
if (sqlType == SqlType.Binary ||
sqlType == SqlType.VarBinary ||
sqlType == SqlType.LongVarBinary ||
sqlType == SqlType.Blob)
return true;
return false;
}
public override bool IsComparable(SqlType type)
{
var otherType = type as SpatialType;
if (otherType == null)
return false;
return IsComparable(otherType);
}
public static GenSqlDALBase CreateInstance(SqlType sql)
{
if (GlobalService.DbType == DatabaseType.SqlServer)
{
return new SqlServer.SqlGenSqlDAL(sql);
}
return null;
}
internal MemberMapping(TypeMapping typeMapping, string memberName, string columnName, SqlType columnType, bool notNull)
{
TypeMapping = typeMapping;
MemberName = memberName;
ColumnName = columnName;
ColumnType = columnType;
NotNull = notNull;
}
public override bool IsComparableTo(SqlType type)
{
SqlUserType userType = (SqlUserType) type;
if (userType == null)
return false;
return comparable && typeName.Equals(userType.typeName);
}
public AliasTableNameExpression(Expression child, TableName alias, SqlType returnType)
: base(ExpressionType.AliasTableName)
{
SetArgument("child", child);
SetArgument("alias", alias);
if (returnType != null)
SetArgument("return_type", returnType);
}
public IColumnInfoBuilder HavingType(SqlType value)
{
if (value == null)
throw new ArgumentNullException("value");
type = value;
return this;
}
/// <summary>
/// The Constructors if the type does require a size.
/// </summary>
/// <param name="name"></param>
/// <param name="type"></param>
/// <param name="notNull"></param>
private QueryResultColumn(string name, SqlType type, bool notNull)
{
Name = name;
Type = type;
IsNotNull = notNull;
IsUnique = false;
UniqueGroup = -1;
}
public IColumnBuilder OfType(SqlType type)
{
if (type == null)
throw new ArgumentNullException("type");
columnType = type;
return this;
}
public static string GetModel(SqlType sql, string table)
{
foreach (var m in sql.MyModels)
{
if (m.ColumnSetName.Value.Equals(table))
return m.Name.Value;
}
return null;
}
public static bool IsPagerQuery(SqlType sql)
{
if (sql.HasPagerContentTable() && sql.HasPagerRecordCountTable())
{
return (!string.IsNullOrWhiteSpace(sql.PagerContentTable.Value) &&
!string.IsNullOrWhiteSpace(sql.PagerRecordCountTable.Value));
}
return false;
}
public ExternalFunctionInfo(ObjectName functionName, RoutineParameter[] parameters, SqlType returnType,
ExternalRef externalRef)
: base(functionName, parameters, returnType, FunctionType.Static)
{
if (externalRef == null)
throw new ArgumentNullException("externalRef");
ExternalRef = externalRef;
}
public SqlCreate(string tableName, SqlType sqlType)
{
this.tableName = tableName;
this.sqlType = sqlType;
if (sqlType == SqlType.UPDATE)
{
this.updateBuilder.AppendFormat("UPDATE {0} SET ", tableName);
}
}
protected override void InitializeParameter(IDbDataParameter dbParam, string name, SqlType sqlType)
{
base.InitializeParameter(dbParam, name, sqlType);
SetVariableLengthParameterSize(dbParam, sqlType);
}
/// <summary>
/// Allows access to the basic <see cref="Dialect.GetSelectClauseNullString"/>
/// implementation...
/// </summary>
/// <param name="sqlType">The <see cref="SqlType"/> mapping type</param>
/// <returns> The appropriate select cluse fragment </returns>
public virtual string GetBasicSelectClauseNullString(SqlType sqlType)
{
return(base.GetSelectClauseNullString(sqlType));
}
/// <summary>
/// Construct a new <see cref="QueryType"/> instance from
/// </summary>
protected virtual QueryType NewType(SqlType type, bool isNotNull, int length, short precision, short scale)
{
return(new SqlQueryType(type, isNotNull, length, precision, scale));
}
/// <summary>
/// Gets the <see cref="QueryType"/> for a know database type.
/// This API does not parse the type name.
/// Arguments to the type are specified by the <see cref="P:args"/> parameter.
/// </summary>
/// <param name="typeName">The base name of a type in the databases language.</param>
/// <param name="args">Any additional arguments (like length of a text type)</param>
/// <param name="isNotNull">Determines if the type cannot be null.</param>
public virtual QueryType GetQueryType(string typeName, string[] args, bool isNotNull)
{
if (String.Compare(typeName, "rowversion", StringComparison.OrdinalIgnoreCase) == 0)
{
typeName = "Timestamp";
}
if (String.Compare(typeName, "numeric", StringComparison.OrdinalIgnoreCase) == 0)
{
typeName = "Decimal";
}
if (String.Compare(typeName, "sql_variant", StringComparison.OrdinalIgnoreCase) == 0)
{
typeName = "Variant";
}
SqlType dbType = this.GetSqlType(typeName);
int length = 0;
short precision = 0;
short scale = 0;
switch (dbType)
{
case SqlType.Binary:
case SqlType.Char:
case SqlType.Image:
case SqlType.NChar:
case SqlType.NVarChar:
case SqlType.VarBinary:
case SqlType.VarChar:
if (args == null || args.Length < 1)
{
length = 80;
}
else if (string.Compare(args[0], "max", StringComparison.OrdinalIgnoreCase) == 0)
{
length = Int32.MaxValue;
}
else
{
length = Int32.Parse(args[0]);
}
break;
case SqlType.Money:
if (args == null || args.Length < 1)
{
precision = 29;
}
else
{
precision = Int16.Parse(args[0], NumberFormatInfo.InvariantInfo);
}
if (args == null || args.Length < 2)
{
scale = 4;
}
else
{
scale = Int16.Parse(args[1], NumberFormatInfo.InvariantInfo);
}
break;
case SqlType.Decimal:
if (args == null || args.Length < 1)
{
precision = 29;
}
else
{
precision = Int16.Parse(args[0], NumberFormatInfo.InvariantInfo);
}
if (args == null || args.Length < 2)
{
scale = 0;
}
else
{
scale = Int16.Parse(args[1], NumberFormatInfo.InvariantInfo);
}
break;
case SqlType.Float:
case SqlType.Real:
if (args == null || args.Length < 1)
{
precision = 29;
}
else
{
precision = Int16.Parse(args[0], NumberFormatInfo.InvariantInfo);
}
break;
}
return(NewType(dbType, isNotNull, length, precision, scale));
}
public OneTestsWithFunLogic(SqlType testFlavour)
: base(testFlavour)
{
}
public MappedJoinTests(SqlType testFlavour)
: base(testFlavour)
{
}
public static SqlType DateTimeOffset()
{
return(SqlType.Type("datetimeoffset"));
}
public void Configure(IType type, IDictionary <string, string> parms, Dialect dialect)
{
tableName = PropertiesHelper.GetString(TableParamName, parms, DefaultTableName);
columnName = PropertiesHelper.GetString(ColumnParamName, parms, DefaultColumnName);
whereColumn = PropertiesHelper.GetString(WhereColumn, parms, DefaultWhereColumnName);
whereValue = PropertiesHelper.GetString(WhereValue, parms, string.Empty);
max_lo = PropertiesHelper.GetInt64(MaxLo, parms, Int16.MaxValue);
lo = max_lo + 1;
returnClass = type.ReturnedClass;
if (string.IsNullOrEmpty(whereValue))
{
log.Error("wherevalue for SingleTableHiLoGenerator is empty");
throw new InvalidOperationException("wherevalue is empty");
}
whereValues.Add(whereValue);
var schemaName = PropertiesHelper.GetString(PersistentIdGeneratorParmsNames.Schema, parms, null);
var catalogName = PropertiesHelper.GetString(PersistentIdGeneratorParmsNames.Catalog, parms, null);
if (tableName.IndexOf('.') < 0)
{
tableName = dialect.Qualify(catalogName, schemaName, tableName);
}
var selectBuilder = new SqlStringBuilder(100);
selectBuilder.Add("select " + columnName)
.Add(" from " + dialect.AppendLockHint(LockMode.Upgrade, tableName))
.Add(" where ")
.Add(whereColumn).Add("=").Add(whereValue);
selectBuilder.Add(dialect.ForUpdateString);
query = selectBuilder.ToString();
columnType = type as PrimitiveType;
if (columnType == null)
{
log.Error("Column type for TableGenerator is not a value type");
throw new ArgumentException("type is not a ValueTypeType", "type");
}
// build the sql string for the Update since it uses parameters
if (type is Int16Type)
{
columnSqlType = SqlTypeFactory.Int16;
}
else if (type is Int64Type)
{
columnSqlType = SqlTypeFactory.Int64;
}
else
{
columnSqlType = SqlTypeFactory.Int32;
}
wherecolumnSqlType = SqlTypeFactory.GetString(255);
parameterTypes = new[] { columnSqlType, columnSqlType };
var builder = new SqlStringBuilder(100);
builder.Add("update " + tableName + " set ")
.Add(columnName).Add("=").Add(Parameter.Placeholder)
.Add(" where ")
.Add(columnName).Add("=").Add(Parameter.Placeholder)
.Add(" and ")
.Add(whereColumn).Add("=").Add(whereValue);
updateSql = builder.ToSqlString();
}
public static SqlType DateTime()
{
return(SqlType.Type("datetime"));
}
protected override void InitializeParameter(DbParameter dbParam, string name, SqlType sqlType)
{
var convertedSqlType = sqlType;
if (convertedSqlType.DbType == DbType.Currency)
{
convertedSqlType = new SqlType(DbType.Decimal);
}
base.InitializeParameter(dbParam, name, convertedSqlType);
}
/// <summary>
/// Initialize a new instance of the ImmutableType class using a
/// <see cref="SqlType"/>.
/// </summary>
/// <param name="sqlType">The underlying <see cref="SqlType"/>.</param>
protected ImmutableType(SqlType sqlType) : base(sqlType)
{
}
public SqlManipulationCore(string strDSN, SqlType sqlType)
{
_sqlType = sqlType;
_strDSN = strDSN;
}
/// <summary>
/// Interprets if a parameter is a Clob (for the purposes of setting its default size)
/// </summary>
/// <param name="dbParam">The parameter</param>
/// <param name="sqlType">The <see cref="SqlType" /> of the parameter</param>
/// <returns>True, if the parameter should be interpreted as a Clob, otherwise False</returns>
protected static bool IsText(IDbDataParameter dbParam, SqlType sqlType)
{
return((sqlType is StringClobSqlType) || ((DbType.String == dbParam.DbType || DbType.StringFixedLength == dbParam.DbType) && sqlType.LengthDefined && (sqlType.Length > MaxSizeForLengthLimitedString)));
}
/**** Date & Time ****/
public static SqlType SmallDateTime()
{
return(SqlType.Type("smalldatetime"));
}
/**** Exact Numerics ****/
public static SqlType Bit()
{
return(SqlType.Type("bit"));
}
protected override void InitializeParameter(IDbDataParameter dbParam, string name, SqlType sqlType)
{
base.InitializeParameter(dbParam, name, sqlType);
if (sqlType.LengthDefined)
{
dbParam.Size = sqlType.Length;
}
}
/// <summary>
/// Push down computations to Hyper during Insertion using expressions
/// </summary>
/// <param name="exampleDataDir">Path to the directory with example data.</param>
public override void Execute(string exampleDataDir)
{
Console.WriteLine("EXAMPLE - Push down computations to Hyper during Insertion using Expressions");
// Start the Hyper process with telemetry enabled.
using (HyperProcess hyper = new HyperProcess(Telemetry.SendUsageDataToTableau))
{
// Connect to hyper and create new Hyper file "superstore.hyper".
// Replaces file if it already exists when CreateMode.CreateAndReplace is set.
using (Connection connection = new Connection(hyper.Endpoint, "orders.hyper", CreateMode.CreateAndReplace))
{
// The table is called "Extract" and will be created in the "Extract" schema.
// This has historically been the default table name and schema for extracts created by Tableau.
TableName extractTable = new TableName("Extract", "Extract");
TableDefinition extractTableDefinition = new TableDefinition(extractTable)
.AddColumn("Order ID", SqlType.Int(), Nullability.NotNullable)
.AddColumn("Ship Timestamp", SqlType.Timestamp(), Nullability.NotNullable)
.AddColumn("Ship Mode", SqlType.Text(), Nullability.NotNullable)
.AddColumn("Ship Priority", SqlType.Int(), Nullability.NotNullable);
// Create the schema and the table
connection.Catalog.CreateSchema("Extract");
connection.Catalog.CreateTable(extractTableDefinition);
// Hyper API's Inserter allows users to transform data during insertion.
// To make use of data transformation during insertion, the inserter requires the following inputs
// 1. The connection to the Hyper instance containing the table.
// 2. The table name or table defintion into which data is inserted.
// 3. List of Inserter.ColumnMapping.
// This list informs the inserter how each column in the target table must be tranformed.
// The list must contain all the columns into which data is inserted.
// "Inserter.ColumnMapping" maps a valid SQL expression (if any) to a column in the target table
// For example new Inserter.ColumnMapping("target_column", $"{Sql.EscapeName("colA")}*{Sql.EscapeName("colB")})
// The column "target_column" contains the product of "colA" and "colB" after successful insertion.
// SQL expression string is optional in Inserter.ColumnMapping.
// For a column without any transformation (identity transformation) only the column name is required.
// For example new Inserter.ColumnMapping("no_data_transformation_column")
// 4. Inserter Definition, a list of column definitions for all the input values provided during insertion.
// Inserter definition contains the column definition for the values that are inserted.
List <TableDefinition.Column> inserterDefinition = new List <TableDefinition.Column>();
inserterDefinition.Add(new TableDefinition.Column("Order ID", SqlType.Int(), Nullability.NotNullable));
inserterDefinition.Add(new TableDefinition.Column("Ship Timestamp Text", SqlType.Text(), Nullability.NotNullable));
inserterDefinition.Add(new TableDefinition.Column("Ship Mode", SqlType.Text(), Nullability.NotNullable));
inserterDefinition.Add(new TableDefinition.Column("Ship Priority Text", SqlType.Text(), Nullability.NotNullable));
// Column 'Order Id' is inserted into "Extract"."Extract" as-is.
// Column 'Ship Timestamp' in "Extract"."Extract" of timestamp type is computed from Column 'Ship Timestamp Text' of text type using 'to_timestamp()'.
// Column 'Ship Mode' is inserted into "Extract"."Extract" as-is.
// Column 'Ship Priority' is "Extract"."Extract" of integer type is computed from Colum 'Ship Priority Text' of text type using 'CASE' statement.
string textToTimeStampExpression = $"to_timestamp({Sql.EscapeName("Ship Timestamp Text")}, {Sql.EscapeStringLiteral("YYYY-MM-DD HH24:MI:SS")})";
string shipPriorityAsIntCaseExpression = $"CASE {Sql.EscapeName("Ship Priority Text")}" +
$" WHEN {Sql.EscapeStringLiteral("Urgent")} THEN 1 " +
$" WHEN {Sql.EscapeStringLiteral("Medium")} THEN 2 " +
$" WHEN {Sql.EscapeStringLiteral("Low")} THEN 3 END";
List <Inserter.ColumnMapping> columnMappings = new List <Inserter.ColumnMapping>();
columnMappings.Add(new Inserter.ColumnMapping("Order ID"));
columnMappings.Add(new Inserter.ColumnMapping("Ship Timestamp", textToTimeStampExpression));
columnMappings.Add(new Inserter.ColumnMapping("Ship Mode"));
columnMappings.Add(new Inserter.ColumnMapping("Ship Priority", shipPriorityAsIntCaseExpression));
// Insert data into the "Extract"."Extract" table with expressions.
using (Inserter inserter = new Inserter(connection, extractTable, columnMappings, inserterDefinition))
{
inserter.AddRow(399, "2012-09-13 10:00:00", "Express Class", "Urgent");
inserter.AddRow(530, "2012-07-12 14:00:00", "Standard Class", "Low");
inserter.Execute();
}
// ExecuteScalarQuery is for executing a query that returns exactly one row with one column.
long count = connection.ExecuteScalarQuery <long>($"SELECT COUNT(*) FROM {extractTable}");
Console.WriteLine($"Table {extractTable} has a count of {count} rows");
}
Console.WriteLine("The connection to the Hyper file has been closed.");
}
Console.WriteLine("The Hyper process has been shut down.");
}
protected string GenerateSubquery(PersistentClass model, IMapping mapping)
{
Dialect.Dialect dialect = Factory.Dialect;
Settings settings = Factory.Settings;
if (!model.HasSubclasses)
{
return(model.Table.GetQualifiedName(dialect, settings.DefaultCatalogName, settings.DefaultSchemaName));
}
HashedSet <Column> columns = new HashedSet <Column>();
foreach (Table table in model.SubclassTableClosureIterator)
{
if (!table.IsAbstractUnionTable)
{
foreach (Column column in table.ColumnIterator)
{
columns.Add(column);
}
}
}
StringBuilder buf = new StringBuilder().Append("( ");
IEnumerable <PersistentClass> siter =
new JoinedEnumerable <PersistentClass>(new SingletonEnumerable <PersistentClass>(model),
new SafetyEnumerable <PersistentClass>(model.SubclassIterator));
foreach (PersistentClass clazz in siter)
{
Table table = clazz.Table;
if (!table.IsAbstractUnionTable)
{
buf.Append("select ");
foreach (Column col in columns)
{
if (!table.ContainsColumn(col))
{
SqlType sqlType = col.GetSqlTypeCode(mapping);
buf.Append(dialect.GetSelectClauseNullString(sqlType)).Append(" as ");
}
buf.Append(col.Name);
buf.Append(StringHelper.CommaSpace);
}
buf.Append(clazz.SubclassId).Append(" as clazz_");
buf.Append(" from ").Append(table.GetQualifiedName(dialect, settings.DefaultCatalogName, settings.DefaultSchemaName));
buf.Append(" union ");
if (dialect.SupportsUnionAll)
{
buf.Append("all ");
}
}
}
if (buf.Length > 2)
{
//chop the last union (all)
buf.Length -= (dialect.SupportsUnionAll ? 11 : 7); //" union " : "all "
}
return(buf.Append(" )").ToString());
}
protected override void InitializeParameter(IDbDataParameter dbParam, string name, SqlType sqlType)
{
base.InitializeParameter(dbParam, name, sqlType);
if (sqlType.DbType == DbType.Binary)
{
_dbParamSqlDbTypeProperty.SetValue(dbParam, SqlDbType.Image, null);
return;
}
if (sqlType.Length <= 4000)
{
return;
}
switch (sqlType.DbType)
{
case DbType.String:
_dbParamSqlDbTypeProperty.SetValue(dbParam, SqlDbType.NText, null);
break;
case DbType.AnsiString:
_dbParamSqlDbTypeProperty.SetValue(dbParam, SqlDbType.Text, null);
break;
}
}
public static SqlType Real()
{
return(SqlType.ApproximateNumeric("real", 24));
}
public AbstractCharType(SqlType sqlType)
: base(sqlType)
{
}
public static SqlType Xml()
{
return(SqlType.Type("xml"));
}
internal static string GetParameterType(this SqlType SqlType, int?Size)
{
return((Size != null && !SqlType.IsFixedSize()) ? $"{nonFixedSizeSqlType[SqlType]}({Size})" : map_SqlType_PrmTypeStr[SqlType]);
}
public static SqlType NVarChar(SqlTextLength options)
{
return(SqlType.TextType("nvarchar", options.CharacterLength));
}
internal static bool IsFixedSize(this SqlType SqlType)
{
return(!nonFixedSizeSqlType.ContainsKey(SqlType));
}
public static SqlType Time()
{
return(SqlType.Type("time"));
}
protected virtual DbParameter CloneParameter(DbCommand cmd, DbParameter originalParameter, SqlType originalType)
{
var clone = GenerateParameter(cmd, originalParameter.ParameterName, originalType);
clone.Value = originalParameter.Value;
return(clone);
}
/// <summary>
/// Interprets if a parameter is a Blob (for the purposes of setting its default size)
/// </summary>
/// <param name="dbParam">The parameter</param>
/// <param name="sqlType">The <see cref="SqlType" /> of the parameter</param>
/// <returns>True, if the parameter should be interpreted as a Blob, otherwise False</returns>
protected static bool IsBlob(IDbDataParameter dbParam, SqlType sqlType)
{
return((sqlType is BinaryBlobSqlType) || ((DbType.Binary == dbParam.DbType) && sqlType.LengthDefined && (sqlType.Length > MaxSizeForLengthLimitedBinary)));
}
/// <summary>
/// Initialize a new instance of the NullableType class using a
/// <see cref="SqlType"/>.
/// </summary>
/// <param name="sqlType">The underlying <see cref="SqlType"/>.</param>
/// <remarks>This is used when the Property is mapped to a single column.</remarks>
protected NullableType(SqlType sqlType)
{
_sqlType = sqlType;
}
public DateTimeType(SqlType sqlTypeDateTime) : base(sqlTypeDateTime)
{
}
