Bugfix/mysqltext

CHANGELOG.md

@@ -6,7 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-...
+- Bugfix: MySQL text was erroneously capped at 64k (TEXT) instead of LONGTEXT (4GiB)
+
 ## [3.1.0] - 2023-05-15
 
 - Now targeting .Net 6

FAnsiSql/Connections/IManagedTransaction.cs

@@ -3,7 +3,7 @@
 namespace FAnsi.Connections;
 
 /// <summary>
-/// Wrapper for DbTransaction that associates it with a specific DbConnection.  Helps simplify calls to information 
+/// Wrapper for DbTransaction that associates it with a specific DbConnection.  Helps simplify calls to information
 /// methods such as DiscoveredTable.GetRowCount etc during the middle of an ongoing database transaction
 /// </summary>
 public interface IManagedTransaction

FAnsiSql/Connections/ManagedConnection.cs

@@ -19,7 +19,7 @@ public class ManagedConnection : IManagedConnection
 
     /// <inheritdoc/>
     public bool CloseOnDispose { get; set; }
-        
+
     internal ManagedConnection(DiscoveredServer discoveredServer, IManagedTransaction managedTransaction)
     {
         //get a new connection or use the existing one within the transaction

FAnsiSql/DatabaseOperationArgs.cs

@@ -22,7 +22,7 @@ public class DatabaseOperationArgs
     /// Time to allow <see cref="DbCommand"/> to run before cancelling (this is db timeout and doesn't affect <see cref="CancellationToken"/>)
     /// </summary>
     public int TimeoutInSeconds { get; set; }
-        
+
     /// <summary>
     /// Optional, if provided all commands interacting with these args should cancel if the command was cancelled
     /// </summary>
@@ -87,15 +87,15 @@ private T Execute<T>(DbCommand cmd, Func<Task<T>> method)
             throw;
         }
 
-        if (!t.IsCompleted) 
+        if (!t.IsCompleted)
             cmd.Cancel();
 
         if (t.Exception == null) return t.Result;
         if (t.Exception.InnerExceptions.Count == 1)
             throw t.Exception.InnerExceptions[0];
         throw t.Exception;
     }
-        
+
     public void Fill(DbDataAdapter da, DbCommand cmd, DataTable dt)
     {
         Hydrate(cmd);

FAnsiSql/DatabaseType.cs

@@ -11,7 +11,7 @@ public enum DatabaseType
     MicrosoftSQLServer,
 
     /// <summary>
-    /// My Sql database engine.  
+    /// My Sql database engine.
     /// </summary>
     MySql,
 

FAnsiSql/Discovery/BulkCopy.cs

@@ -29,7 +29,7 @@ public abstract class BulkCopy:IBulkCopy
     /// call <see cref="InvalidateTableSchema"/> to refresh this.
     /// </summary>
     protected DiscoveredColumn[] TargetTableColumns;
-        
+
     /// <summary>
     /// When calling GetMapping if there are DataColumns in the input table that you are trying to bulk insert that are not matched
     /// in the destination table then the default behaviour is to throw a KeyNotFoundException.  Set this to false to ignore that
@@ -41,7 +41,7 @@ public abstract class BulkCopy:IBulkCopy
 
     /// <inheritdoc/>
     public DateTimeTypeDecider DateTimeDecider {get; protected set; }
-        
+
     /// <summary>
     /// Begins a new bulk copy operation in which one or more data tables are uploaded to the <paramref name="targetTable"/>.  The API entrypoint for this is
     /// <see cref="DiscoveredTable.BeginBulkInsert(IManagedTransaction)"/>.
@@ -126,7 +126,7 @@ protected void ConvertStringTypesToHardTypes(DataTable dt)
                 decider = DateTimeDecider;
                 DateTimeDecider.GuessDateFormat(dt.Rows.Cast<DataRow>().Take(500).Select(r=>r[kvp.Key] as string));
             }
-                        
+
 
             foreach(DataRow dr in dt.Rows)
             {
@@ -160,8 +160,8 @@ protected void ConvertStringTypesToHardTypes(DataTable dt)
     }
 
     /// <summary>
-    /// Returns a case insensitive mapping between columns in your DataTable that you are trying to upload and the columns that actually exist in the destination 
-    /// table.  
+    /// Returns a case insensitive mapping between columns in your DataTable that you are trying to upload and the columns that actually exist in the destination
+    /// table.
     /// <para>This overload gives you a list of all unmatched destination columns, these should be given null/default automatically by your database API</para>
     /// <para>Throws <exception cref="KeyNotFoundException"> if there are unmatched input columns unless <see cref="AllowUnmatchedInputColumns"/> is true.</exception></para>
     /// </summary>
@@ -194,8 +194,8 @@ protected Dictionary<DataColumn, DiscoveredColumn> GetMapping(IEnumerable<DataCo
     }
 
     /// <summary>
-    /// Returns a case insensitive mapping between columns in your DataTable that you are trying to upload and the columns that actually exist in the destination 
-    /// table.  
+    /// Returns a case insensitive mapping between columns in your DataTable that you are trying to upload and the columns that actually exist in the destination
+    /// table.
     /// <para>Throws <exception cref="KeyNotFoundException"> if there are unmatched input columns unless <see cref="AllowUnmatchedInputColumns"/> is true.</exception></para>
     /// </summary>
     /// <param name="inputColumns"></param>

FAnsiSql/Discovery/ConnectionStringDefaults/ConnectionStringKeywordAccumulator.cs

@@ -7,7 +7,7 @@
 namespace FAnsi.Discovery.ConnectionStringDefaults;
 
 /// <summary>
-/// <para>Gathers keywords for use in building connection strings for a given <see cref="DatabaseType"/>.  Once created you can add keywords and then apply the template 
+/// <para>Gathers keywords for use in building connection strings for a given <see cref="DatabaseType"/>.  Once created you can add keywords and then apply the template
 /// to new novel connection strings (see <see cref="EnforceOptions"/>).</para>
 /// 
 /// <para>Also handles connection string keyword aliases (where two words mean the same thing)</para>
@@ -33,7 +33,7 @@ public ConnectionStringKeywordAccumulator(DatabaseType databaseType)
     }
 
     /// <summary>
-    /// Adds a new connection string option (which must be compatible with <see cref="DatabaseType"/>) 
+    /// Adds a new connection string option (which must be compatible with <see cref="DatabaseType"/>)
     /// </summary>
     /// <param name="keyword"></param>
     /// <param name="value"></param>
@@ -44,12 +44,12 @@ public void AddOrUpdateKeyword(string keyword, string value, ConnectionStringKey
 
         if (collision != null)
         {
-            //if there is already a semantically equivalent keyword.... 
+            //if there is already a semantically equivalent keyword....
 
             //if it is of lower or equal priority
             if (_keywords[collision].Item2 <= priority)
-                _keywords[collision] = Tuple.Create(value, priority); //update it 
-                
+                _keywords[collision] = Tuple.Create(value, priority); //update it
+
             //either way don't record it as a new keyword
             return;
         }

FAnsiSql/Discovery/Constraints/DiscoveredRelationship.cs

@@ -26,7 +26,7 @@ public class DiscoveredRelationship
     public DiscoveredTable ForeignKeyTable { get; private set; }
 
     /// <summary>
-    /// Mapping of primary key column(s) in <see cref="PrimaryKeyTable"/> to foreign key column(s) in <see cref="ForeignKeyTable"/>.  If there are more than one entry 
+    /// Mapping of primary key column(s) in <see cref="PrimaryKeyTable"/> to foreign key column(s) in <see cref="ForeignKeyTable"/>.  If there are more than one entry
     /// then the foreign key is a composite key.
     /// </summary>
     public Dictionary<DiscoveredColumn, DiscoveredColumn> Keys { get; private set; }

FAnsiSql/Discovery/Constraints/RelationshipTopologicalSort.cs

@@ -7,7 +7,7 @@
 namespace FAnsi.Discovery.Constraints;
 
 /// <summary>
-/// Helps resolve a dependency order between a collection of tables with interlinking foreign key constraints.  Implements Khan's algorithm. 
+/// Helps resolve a dependency order between a collection of tables with interlinking foreign key constraints.  Implements Khan's algorithm.
 /// </summary>
 public class RelationshipTopologicalSort
 {
@@ -42,7 +42,7 @@ public RelationshipTopologicalSort(IEnumerable<DiscoveredTable> tables)
     }
 
     /// <summary>
-    /// Topological Sorting (Kahn's algorithm) 
+    /// Topological Sorting (Kahn's algorithm)
     /// </summary>
     /// <remarks>https://en.wikipedia.org/wiki/Topological_sorting</remarks>
     /// <typeparam name="T"></typeparam>

FAnsiSql/Discovery/DatabaseColumnRequest.cs

@@ -38,7 +38,7 @@ public class DatabaseColumnRequest:ISupplementalColumnInformation,IHasRuntimeNam
     public bool AllowNulls { get; set; }
 
     /// <summary>
-    /// True to include the column as part of the tables primary key 
+    /// True to include the column as part of the tables primary key
     /// </summary>
     public bool IsPrimaryKey { get; set; }
 
@@ -53,7 +53,7 @@ public class DatabaseColumnRequest:ISupplementalColumnInformation,IHasRuntimeNam
     public MandatoryScalarFunctions Default { get; set; }
 
     /// <summary>
-    /// Applies only if the <see cref="TypeRequested"/> is string based.  Setting this will override the default collation and specify 
+    /// Applies only if the <see cref="TypeRequested"/> is string based.  Setting this will override the default collation and specify
     /// a specific collation.  The value specified must be an installed collation supported by the DBMS
     /// </summary>
     public string Collation { get; set; }

FAnsiSql/Discovery/DiscoveredDataType.cs

@@ -13,7 +13,7 @@ namespace FAnsi.Discovery;
 /// </summary>
 public class DiscoveredDataType
 {
-    private readonly DiscoveredColumn Column; 
+    private readonly DiscoveredColumn Column;
 
     /// <summary>
     /// The proprietary DBMS name for the datatype e.g. varchar2(100) for Oracle, datetime2 for Sql Server etc.
@@ -91,7 +91,7 @@ public override string ToString()
     public void Resize(int newSize, IManagedTransaction managedTransaction = null)
     {
         var toReplace = GetLengthIfString();
-            
+
         if(newSize == toReplace)
             return;
 
@@ -104,7 +104,7 @@ public void Resize(int newSize, IManagedTransaction managedTransaction = null)
     }
 
     /// <summary>
-    /// <para>Creates and runs an ALTER TABLE statement which will increase the size of a decimal column to support larger Precision/Scale values than it currently does. 
+    /// <para>Creates and runs an ALTER TABLE statement which will increase the size of a decimal column to support larger Precision/Scale values than it currently does.
     /// If you want decimal(4,2) then pass <paramref name="numberOfDigitsBeforeDecimalPoint"/>=2 and <paramref name="numberOfDigitsAfterDecimalPoint"/>=2</para>
     /// 
     /// <para>Throws <see cref="InvalidResizeException"/> if the column is not a decimal type or the new size is smaller than the current column size</para>
@@ -126,11 +126,11 @@ public void Resize(int numberOfDigitsBeforeDecimalPoint, int numberOfDigitsAfter
 
         if (toReplace.NumbersAfterDecimalPlace> numberOfDigitsAfterDecimalPoint)
             throw new InvalidResizeException(string.Format(FAnsiStrings.DiscoveredDataType_Resize_Cannot_shrink_column__number_of_digits_after_the_decimal_point_is_currently__0__and_you_asked_to_set_it_to__1___Current_SQLType_is__2__, toReplace.NumbersAfterDecimalPlace, numberOfDigitsAfterDecimalPoint, SQLType));
-            
+
         var newDataType = Column.Table.GetQuerySyntaxHelper()
             .TypeTranslater.GetSQLDBTypeForCSharpType(new DatabaseTypeRequest(typeof (decimal), null,
                 new DecimalSize(numberOfDigitsBeforeDecimalPoint, numberOfDigitsAfterDecimalPoint)));
-            
+
         AlterTypeTo(newDataType, managedTransaction);
     }
 
@@ -164,7 +164,7 @@ public void AlterTypeTo(string newType, IManagedTransaction managedTransaction =
             }
         }
 
-        SQLType = newType; 
+        SQLType = newType;
     }
 
     /// <summary>

FAnsiSql/Discovery/DiscoveredDatabase.cs

@@ -73,7 +73,7 @@ public IEnumerable<DiscoveredTableValuedFunction> DiscoverTableValuedFunctions(I
             Helper.ListTableValuedFunctions(this, _querySyntaxHelper, managedConnection.Connection,
                 GetRuntimeName(), managedConnection.Transaction).ToArray();
     }
-        
+
     /// <summary>
     /// Returns the name of the database without any qualifiers
     /// </summary>
@@ -82,7 +82,7 @@ public string GetRuntimeName()
     {
         return _querySyntaxHelper.GetRuntimeName(_database);
     }
-        
+
     /// <summary>
     /// Returns the wrapped e.g. "[MyDatabase]" name of the database including escaping e.g. if you wanted to name a database "][nquisitor" (which would return "[]][nquisitor]").
     /// </summary>
@@ -250,7 +250,7 @@ public DiscoveredTable CreateTable(CreateTableArgs args)
     }
 
     /// <summary>
-    /// Creates a table in the database big enough to store the supplied DataTable with appropriate types. 
+    /// Creates a table in the database big enough to store the supplied DataTable with appropriate types.
     /// </summary>
     /// <param name="typeDictionary">The computers used to determine column types</param>
     /// <param name="tableName"></param>
@@ -275,7 +275,7 @@ public DiscoveredTable CreateTable(out Dictionary<string, Guesser> typeDictionar
 
         return table;
     }
-        
+
 
     /// <summary>
     /// Creates a new schema within the database if the DBMS supports it (Sql Server does, MySql doesn't) and it does not already exist.  Schema

FAnsiSql/Discovery/DiscoveredDatabaseHelper.cs

@@ -16,7 +16,7 @@
 namespace FAnsi.Discovery;
 
 /// <summary>
-/// DBMS specific implementation of all functionality that relates to interacting with existing databases (dropping databases, creating tables, finding stored proceedures etc).  For 
+/// DBMS specific implementation of all functionality that relates to interacting with existing databases (dropping databases, creating tables, finding stored proceedures etc).  For
 /// database creation see <see cref="DiscoveredServerHelper"/>
 /// </summary>
 public abstract class DiscoveredDatabaseHelper:IDiscoveredDatabaseHelper
@@ -60,17 +60,17 @@ public DiscoveredTable CreateTable(CreateTableArgs args)
 
                     //Type requested is a proper FAnsi type (e.g. string, at least 5 long)
                     var request = overriding.TypeRequested;
-                        
+
                     if(request == null)
                         if(!string.IsNullOrWhiteSpace(overriding.ExplicitDbType))
                         {
                             //Type is for an explicit SQL Type e.g. varchar(5)
 
-                            //Translate the sql type to a FAnsi type definition 
+                            //Translate the sql type to a FAnsi type definition
                             var tt = args.Database.Server.GetQuerySyntaxHelper().TypeTranslater;
 
                             request = tt.GetDataTypeRequestForSQLDBType(overriding.ExplicitDbType);
-                                
+
                         }
                         else
                             throw new Exception(string.Format(FAnsiStrings.DiscoveredDatabaseHelper_CreateTable_DatabaseColumnRequestMustHaveEitherTypeRequestedOrExplicitDbType, column));
@@ -84,15 +84,15 @@ public DiscoveredTable CreateTable(CreateTableArgs args)
                     //no, work out the column definition using a guesser
                     var guesser = GetGuesser(column);
                     guesser.Culture = args.Culture;
-                        
+
                     CopySettings(guesser,args);
 
                     guesser.AdjustToCompensateForValues(column);
-                        
+
                     //if DoNotRetype is set on the column adjust the requested CSharpType to be the original type
                     if (column.GetDoNotReType())
                         guesser.Guess.CSharpType = column.DataType;
-                        
+
                     typeDictionary.Add(column.ColumnName,guesser);
 
                     columns.Add(new DatabaseColumnRequest(column.ColumnName, guesser.Guess, column.AllowDBNull) { IsPrimaryKey = args.DataTable.PrimaryKey.Contains(column)});
@@ -202,7 +202,7 @@ public virtual string GetCreateTableSql(DiscoveredDatabase database, string tabl
         foreach (var col in columns)
         {
             var datatype = col.GetSQLDbType(syntaxHelper.TypeTranslater);
-                
+
             //add the column name and accompanying datatype
             bodySql.AppendLine($"{GetCreateTableSqlLineForColumn(col, datatype, syntaxHelper)},");
         }
@@ -278,7 +278,7 @@ private string MakeSensibleConstraintName(string prefix, string tableName)
 
         return $"{prefix}{constraintName}";
     }
-        
+
     public void ExecuteBatchNonQuery(string sql, DbConnection conn, DbTransaction transaction = null, int timeout = 30)
     {
         ExecuteBatchNonQuery(sql, conn, transaction, out _, timeout);

FAnsiSql/Discovery/DiscoveredServer.cs

@@ -149,7 +149,7 @@ private DbParameter GetParameter(string parameterName)
     }
 
     /// <summary>
-    /// Returns a new <see cref="DbParameter"/> of the correct <see cref="DatabaseType"/> of the server.  Also adds it 
+    /// Returns a new <see cref="DbParameter"/> of the correct <see cref="DatabaseType"/> of the server.  Also adds it
     /// to the <see cref="DbCommand.Parameters"/> of <paramref name="command"/> and sets it's <paramref name="valueForParameter"/>
     /// </summary>
     /// <param name="parameterName"></param>
@@ -297,10 +297,10 @@ public DiscoveredDatabase GetCurrentDatabase()
         //no (e.g. Oracle or no default database specified in connection string)
         return _currentDatabase; //yes use that one
     }
-        
+
     /// <summary>
-    /// Edits the connection string (See <see cref="Builder"/>) to allow async operations.  Depending on DBMS this may have 
-    /// no effect (e.g. Sql Server needs AsynchronousProcessing and MultipleActiveResultSets but Oracle / MySql do not need 
+    /// Edits the connection string (See <see cref="Builder"/>) to allow async operations.  Depending on DBMS this may have
+    /// no effect (e.g. Sql Server needs AsynchronousProcessing and MultipleActiveResultSets but Oracle / MySql do not need
     /// any special keywords)
     /// </summary>
     public void EnableAsync()
@@ -383,7 +383,7 @@ public IQuerySyntaxHelper GetQuerySyntaxHelper()
     {
         return Helper.GetQuerySyntaxHelper();
     }
-        
+
     /// <summary>
     /// Return key value pairs which describe attributes of the server e.g. version, available drive space etc
     /// </summary>