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ha_ndb blobs

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unknown
2004-07-22 12:33:14 +02:00
parent 149b70dc57
commit 9864327a61
19 changed files with 899 additions and 467 deletions
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12
ndb/include/util/NdbSqlUtil.hpp
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@ -80,7 +80,7 @@ public:
Datetime, // Precision down to 1 sec (size 8 bytes)
Timespec, // Precision down to 1 nsec (size 12 bytes)
Blob, // Blob
Clob // Text blob
Text // Text blob
};
Enum m_typeId;
Cmp* m_cmp; // set to NULL if cmp not implemented
@ -125,7 +125,7 @@ private:
static Cmp cmpDatetime;
static Cmp cmpTimespec;
static Cmp cmpBlob;
static Cmp cmpClob;
static Cmp cmpText;
};
inline int
@ -344,17 +344,15 @@ NdbSqlUtil::cmp(Uint32 typeId, const Uint32* p1, const Uint32* p2, Uint32 full,
break;
case Type::Blob: // XXX fix
break;
case Type::Clob:
case Type::Text:
{
// skip blob head, the rest is varchar
// skip blob head, the rest is char
const unsigned skip = NDB_BLOB_HEAD_SIZE;
if (size >= skip + 1) {
union { const Uint32* p; const char* v; } u1, u2;
u1.p = p1 + skip;
u2.p = p2 + skip;
// length in first 2 bytes
int k = strncmp(u1.v + 2, u2.v + 2, ((size - skip) << 2) - 2);
return k < 0 ? -1 : k > 0 ? +1 : full == size ? 0 : CmpUnknown;
// TODO
}
return CmpUnknown;
}