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Core/DataStores: Implemented WDC2

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This commit is contained in:
Shauren
2018-03-16 18:44:57 +01:00
parent b994868c6a
commit 1188a48c94
8 changed files with 370 additions and 181 deletions
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46
src/common/DataStores/DB2Meta.cpp
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@@ -18,8 +18,12 @@
#include "DB2Meta.h"
#include "Errors.h"
DB2Meta::DB2Meta(int32 indexField, uint32 fieldCount, uint32 layoutHash, char const* types, uint8 const* arraySizes, int32 parentIndexField)
: IndexField(indexField), ParentIndexField(parentIndexField), FieldCount(fieldCount), LayoutHash(layoutHash), Types(types), ArraySizes(arraySizes)
DB2MetaField::DB2MetaField(DBCFormer type, uint8 arraySize, bool isSigned) : Type(type), ArraySize(arraySize), IsSigned(isSigned)
{
}
DB2Meta::DB2Meta(int32 indexField, uint32 fieldCount, uint32 layoutHash, DB2MetaField const* fields, int32 parentIndexField)
: IndexField(indexField), ParentIndexField(parentIndexField), FieldCount(fieldCount), LayoutHash(layoutHash), Fields(fields)
{
}
@@ -38,9 +42,9 @@ uint32 DB2Meta::GetRecordSize() const
uint32 size = 0;
for (uint32 i = 0; i < FieldCount; ++i)
{
for (uint8 j = 0; j < ArraySizes[i]; ++j)
for (uint8 j = 0; j < Fields[i].ArraySize; ++j)
{
switch (Types[i])
switch (Fields[i].Type)
{
case FT_BYTE:
size += 1;
@@ -56,10 +60,11 @@ uint32 DB2Meta::GetRecordSize() const
size += 8;
break;
case FT_STRING:
case FT_STRING_NOT_LOCALIZED:
size += sizeof(char*);
break;
default:
ASSERT(false, "Unsupported column type specified %c", Types[i]);
ASSERT(false, "Unsupported column type specified %c", Fields[i].Type);
break;
}
}
@@ -82,9 +87,9 @@ int32 DB2Meta::GetParentIndexFieldOffset() const
for (int32 i = 0; i < ParentIndexField; ++i)
{
for (uint8 j = 0; j < ArraySizes[i]; ++j)
for (uint8 j = 0; j < Fields[i].ArraySize; ++j)
{
switch (Types[i])
switch (Fields[i].Type)
{
case FT_BYTE:
offset += 1;
@@ -100,10 +105,11 @@ int32 DB2Meta::GetParentIndexFieldOffset() const
offset += 8;
break;
case FT_STRING:
case FT_STRING_NOT_LOCALIZED:
offset += sizeof(char*);
break;
default:
ASSERT(false, "Unsupported column type specified %c", Types[i]);
ASSERT(false, "Unsupported column type specified %c", Fields[i].Type);
break;
}
}
@@ -119,7 +125,7 @@ uint32 DB2Meta::GetDbIndexField() const
uint32 index = 0;
for (uint32 i = 0; i < FieldCount && i < uint32(IndexField); ++i)
index += ArraySizes[i];
index += Fields[i].ArraySize;
return index;
}
@@ -128,7 +134,7 @@ uint32 DB2Meta::GetDbFieldCount() const
{
uint32 fields = 0;
for (uint32 i = 0; i < FieldCount; ++i)
fields += ArraySizes[i];
fields += Fields[i].ArraySize;
if (!HasIndexFieldInData())
++fields;
@@ -136,7 +142,23 @@ uint32 DB2Meta::GetDbFieldCount() const
return fields;
}
DB2FieldMeta::DB2FieldMeta(bool isSigned, DBCFormer type, char const* name)
: IsSigned(isSigned), Type(type), Name(name)
bool DB2Meta::IsSignedField(uint32 field) const
{
switch (Fields[field].Type)
{
case FT_STRING:
case FT_STRING_NOT_LOCALIZED:
case FT_FLOAT:
return false;
case FT_INT:
case FT_BYTE:
case FT_SHORT:
case FT_LONG:
default:
break;
}
if (field == uint32(IndexField))
return false;
return Fields[field].IsSigned;
}