NdbRecAttr.cpp
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /************************************************************************************************
- Name: NdbRecAttr.C
- Include:
- Link:
- Author: UABRONM Mikael Ronstr鰉 UAB/B/SD
- Date: 971206
- Version: 0.1
- Description: Interface between TIS and NDB
- Documentation:
- Adjust: 971206 UABRONM First version
- ************************************************************************************************/
- #include <ndb_global.h>
- #include <NdbOut.hpp>
- #include <NdbRecAttr.hpp>
- #include <NdbBlob.hpp>
- #include "NdbDictionaryImpl.hpp"
- #include <NdbTCP.h>
- NdbRecAttr::NdbRecAttr(Ndb*)
- {
- init();
- }
- NdbRecAttr::~NdbRecAttr()
- {
- release();
- }
- int
- NdbRecAttr::setup(const class NdbDictionary::Column* col, char* aValue)
- {
- return setup(&(col->m_impl), aValue);
- }
- int
- NdbRecAttr::setup(const NdbColumnImpl* anAttrInfo, char* aValue)
- {
- Uint32 tAttrSize = anAttrInfo->m_attrSize;
- Uint32 tArraySize = anAttrInfo->m_arraySize;
- Uint32 tAttrByteSize = tAttrSize * tArraySize;
-
- m_column = anAttrInfo;
- theAttrId = anAttrInfo->m_attrId;
- theAttrSize = tAttrSize;
- theArraySize = tArraySize;
- theValue = aValue;
- theNULLind = 0;
- m_nullable = anAttrInfo->m_nullable;
- // check alignment to signal data
- // a future version could check alignment per data type as well
-
- if (aValue != NULL && (UintPtr(aValue)&3) == 0 && (tAttrByteSize&3) == 0) {
- theStorageX = NULL;
- theRef = aValue;
- return 0;
- }
- if (tAttrByteSize <= 32) {
- theStorageX = NULL;
- theStorage[0] = 0;
- theStorage[1] = 0;
- theStorage[2] = 0;
- theStorage[3] = 0;
- theRef = theStorage;
- return 0;
- }
- Uint32 tSize = (tAttrByteSize + 7) >> 3;
- Uint64* tRef = new Uint64[tSize];
- if (tRef != NULL) {
- for (Uint32 i = 0; i < tSize; i++) {
- tRef[i] = 0;
- }
- theStorageX = tRef;
- theRef = tRef;
- return 0;
- }
- return -1;
- }
- void
- NdbRecAttr::copyout()
- {
- char* tRef = (char*)theRef;
- char* tValue = theValue;
- if (tRef != tValue && tRef != NULL && tValue != NULL) {
- Uint32 n = theAttrSize * theArraySize;
- while (n-- > 0) {
- *tValue++ = *tRef++;
- }
- }
- }
- NdbRecAttr *
- NdbRecAttr::clone() const {
- NdbRecAttr * ret = new NdbRecAttr(0);
- ret->theAttrId = theAttrId;
- ret->theNULLind = theNULLind;
- ret->theAttrSize = theAttrSize;
- ret->theArraySize = theArraySize;
- ret->m_column = m_column;
-
- Uint32 n = theAttrSize * theArraySize;
- if(n <= 32){
- ret->theRef = (char*)&ret->theStorage[0];
- ret->theStorageX = 0;
- ret->theValue = 0;
- } else {
- ret->theStorageX = new Uint64[((n + 7) >> 3)];
- ret->theRef = (char*)ret->theStorageX;
- ret->theValue = 0;
- }
- memcpy(ret->theRef, theRef, n);
- return ret;
- }
- bool
- NdbRecAttr::receive_data(const Uint32 * data, Uint32 sz){
- const Uint32 n = (theAttrSize * theArraySize + 3) >> 2;
- if(n == sz){
- theNULLind = 0;
- if(!copyoutRequired())
- memcpy(theRef, data, 4 * sz);
- else
- memcpy(theValue, data, theAttrSize * theArraySize);
- return true;
- } else if(sz == 0){
- setNULL();
- return true;
- }
- return false;
- }
- NdbOut& operator<<(NdbOut& out, const NdbRecAttr &r)
- {
- if (r.isNULL())
- {
- out << "[NULL]";
- return out;
- }
- const NdbDictionary::Column* c = r.getColumn();
- uint length = c->getLength();
- if (length > 1)
- out << "[";
- for (Uint32 j = 0; j < length; j++)
- {
- if (j > 0)
- out << " ";
- switch(r.getType())
- {
- case NdbDictionary::Column::Bigunsigned:
- out << r.u_64_value();
- break;
- case NdbDictionary::Column::Unsigned:
- out << r.u_32_value();
- break;
- case NdbDictionary::Column::Smallunsigned:
- out << r.u_short_value();
- break;
- case NdbDictionary::Column::Tinyunsigned:
- out << (unsigned) r.u_char_value();
- break;
- case NdbDictionary::Column::Bigint:
- out << r.int64_value();
- break;
- case NdbDictionary::Column::Int:
- out << r.int32_value();
- break;
- case NdbDictionary::Column::Smallint:
- out << r.short_value();
- break;
- case NdbDictionary::Column::Tinyint:
- out << (int) r.char_value();
- break;
- case NdbDictionary::Column::Char:
- out.print("%.*s", r.arraySize(), r.aRef());
- j = length;
- break;
- case NdbDictionary::Column::Varchar:
- {
- short len = ntohs(r.u_short_value());
- out.print("%.*s", len, r.aRef()+2);
- }
- j = length;
- break;
- case NdbDictionary::Column::Float:
- out << r.float_value();
- break;
- case NdbDictionary::Column::Double:
- out << r.double_value();
- break;
- case NdbDictionary::Column::Olddecimal:
- {
- short len = 1 + c->getPrecision() + (c->getScale() > 0);
- out.print("%.*s", len, r.aRef());
- }
- break;
- case NdbDictionary::Column::Olddecimalunsigned:
- {
- short len = 0 + c->getPrecision() + (c->getScale() > 0);
- out.print("%.*s", len, r.aRef());
- }
- break;
- // for dates cut-and-paste from field.cc
- case NdbDictionary::Column::Datetime:
- {
- ulonglong tmp=r.u_64_value();
- long part1,part2,part3;
- part1=(long) (tmp/LL(1000000));
- part2=(long) (tmp - (ulonglong) part1*LL(1000000));
- char buf[40];
- char* pos=(char*) buf+19;
- *pos--=0;
- *pos--= (char) ('0'+(char) (part2%10)); part2/=10;
- *pos--= (char) ('0'+(char) (part2%10)); part3= (int) (part2 / 10);
- *pos--= ':';
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos--= ':';
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos--= (char) ('0'+(char) part3);
- *pos--= '/';
- *pos--= (char) ('0'+(char) (part1%10)); part1/=10;
- *pos--= (char) ('0'+(char) (part1%10)); part1/=10;
- *pos--= '-';
- *pos--= (char) ('0'+(char) (part1%10)); part1/=10;
- *pos--= (char) ('0'+(char) (part1%10)); part3= (int) (part1/10);
- *pos--= '-';
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos--= (char) ('0'+(char) (part3%10)); part3/=10;
- *pos=(char) ('0'+(char) part3);
- out << buf;
- }
- break;
- case NdbDictionary::Column::Date:
- {
- uint32 tmp=(uint32) uint3korr(r.aRef());
- int part;
- char buf[40];
- char *pos=(char*) buf+10;
- *pos--=0;
- part=(int) (tmp & 31);
- *pos--= (char) ('0'+part%10);
- *pos--= (char) ('0'+part/10);
- *pos--= '-';
- part=(int) (tmp >> 5 & 15);
- *pos--= (char) ('0'+part%10);
- *pos--= (char) ('0'+part/10);
- *pos--= '-';
- part=(int) (tmp >> 9);
- *pos--= (char) ('0'+part%10); part/=10;
- *pos--= (char) ('0'+part%10); part/=10;
- *pos--= (char) ('0'+part%10); part/=10;
- *pos= (char) ('0'+part);
- out << buf;
- }
- break;
- case NdbDictionary::Column::Time:
- {
- long tmp=(long) sint3korr(r.aRef());
- int hour=(uint) (tmp/10000);
- int minute=(uint) (tmp/100 % 100);
- int second=(uint) (tmp % 100);
- char buf[40];
- sprintf(buf, "%02d:%02d:%02d", hour, minute, second);
- out << buf;
- }
- break;
- case NdbDictionary::Column::Year:
- {
- uint year = 1900 + r.u_char_value();
- char buf[40];
- sprintf(buf, "%04d", year);
- out << buf;
- }
- break;
- case NdbDictionary::Column::Timestamp:
- {
- time_t time = r.u_32_value();
- out << (uint)time;
- }
- break;
- case NdbDictionary::Column::Blob:
- {
- const NdbBlob::Head* h = (const NdbBlob::Head*)r.aRef();
- out << h->length << ":";
- const unsigned char* p = (const unsigned char*)(h + 1);
- unsigned n = r.arraySize() - sizeof(*h);
- for (unsigned k = 0; k < n && k < h->length; k++)
- out.print("%02X", (int)p[k]);
- j = length;
- }
- break;
- case NdbDictionary::Column::Text:
- {
- const NdbBlob::Head* h = (const NdbBlob::Head*)r.aRef();
- out << h->length << ":";
- const unsigned char* p = (const unsigned char*)(h + 1);
- unsigned n = r.arraySize() - sizeof(*h);
- for (unsigned k = 0; k < n && k < h->length; k++)
- out.print("%c", (int)p[k]);
- j = length;
- }
- break;
- default: /* no print functions for the rest, just print type */
- out << (int) r.getType();
- j = length;
- if (j > 1)
- out << " " << j << " times";
- break;
- }
- }
- if (length > 1)
- {
- out << "]";
- }
- return out;
- }
- Int64
- NdbRecAttr::int64_value() const
- {
- Int64 val;
- memcpy(&val,theRef,8);
- return val;
- }
- Uint64
- NdbRecAttr::u_64_value() const
- {
- Uint64 val;
- memcpy(&val,theRef,8);
- return val;
- }
- float
- NdbRecAttr::float_value() const
- {
- float val;
- memcpy(&val,theRef,sizeof(val));
- return val;
- }
- double
- NdbRecAttr::double_value() const
- {
- double val;
- memcpy(&val,theRef,sizeof(val));
- return val;
- }