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Overview
| Comment: | Avoid unnecessary lock contention and managed heap allocations in the data type mapping subsystem. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ca18c8f4ddc5d60bc2a77e460bad2564 |
| User & Date: | mistachkin 2017-11-07 01:00:47.063 |
Context
|
2017-11-07
| ||
| 01:42 | Fix incorrect memory allocation counts in the SQLiteSession class for SQLite memory obtained without using the SQLiteMemory class. Only debug builds with TRACK_MEMORY_BYTES defined were impacted. check-in: 395909320d user: mistachkin tags: trunk | |
| 01:00 | Avoid unnecessary lock contention and managed heap allocations in the data type mapping subsystem. check-in: ca18c8f4dd user: mistachkin tags: trunk | |
|
2017-11-02
| ||
| 02:37 | Final updates for release 1.0.106.0. check-in: 62313f295f user: mistachkin tags: trunk, release, release-1.0.106.0 | |
Changes
Changes to System.Data.SQLite/SQLiteConvert.cs.
| ︙ | ︙ | |||
1555 1556 1557 1558 1559 1560 1561 |
#if !NET_COMPACT_20 && TRACE_WARNING
DefaultTypeNameWarning(dbType, flags, defaultTypeName);
#endif
return defaultTypeName;
}
| < < < < > | > > | 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 |
#if !NET_COMPACT_20 && TRACE_WARNING
DefaultTypeNameWarning(dbType, flags, defaultTypeName);
#endif
return defaultTypeName;
}
{
SQLiteDbTypeMapping value;
if ((_typeNames != null) &&
_typeNames.TryGetValue(dbType, out value))
{
return value.typeName;
}
}
if (defaultTypeName != null)
return defaultTypeName;
defaultTypeName = GetDefaultTypeName(connection);
|
| ︙ | ︙ | |||
2105 2106 2107 2108 2109 2110 2111 |
#if !NET_COMPACT_20 && TRACE_WARNING
DefaultDbTypeWarning(typeName, flags, defaultDbType);
#endif
return (DbType)defaultDbType;
}
| < < < < | | 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 |
#if !NET_COMPACT_20 && TRACE_WARNING
DefaultDbTypeWarning(typeName, flags, defaultDbType);
#endif
return (DbType)defaultDbType;
}
{
if ((_typeNames != null) && (typeName != null))
{
SQLiteDbTypeMapping value;
if (_typeNames.TryGetValue(typeName, out value))
{
return value.dataType;
}
|
| ︙ | ︙ | |||
2144 2145 2146 2147 2148 2149 2150 |
DefaultDbTypeWarning(typeName, flags, defaultDbType);
#endif
return (DbType)defaultDbType;
}
#endregion
| < | | 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 |
DefaultDbTypeWarning(typeName, flags, defaultDbType);
#endif
return (DbType)defaultDbType;
}
#endregion
private static readonly SQLiteDbTypeMap _typeNames = GetSQLiteDbTypeMap();
}
/// <summary>
/// SQLite has very limited types, and is inherently text-based. The first 5 types below represent the sum of all types SQLite
/// understands. The DateTime extension to the spec is for internal use only.
/// </summary>
public enum TypeAffinity
|
| ︙ | ︙ | |||
2937 2938 2939 2940 2941 2942 2943 |
//
// NOTE: The only thing that we must guarantee here, according
// to the MSDN documentation for IEqualityComparer, is
// that for two given strings, if Equals return true then
// the two strings must hash to the same value.
//
if (value != null)
| < < < | < | 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 |
//
// NOTE: The only thing that we must guarantee here, according
// to the MSDN documentation for IEqualityComparer, is
// that for two given strings, if Equals return true then
// the two strings must hash to the same value.
//
if (value != null)
return StringComparer.OrdinalIgnoreCase.GetHashCode(value);
else
throw new ArgumentNullException("value");
}
#endregion
///////////////////////////////////////////////////////////////////////////
|
| ︙ | ︙ |