diff options
Diffstat (limited to 'storage/ibmdb2i/db2i_sqlStatementStream.cc')
-rw-r--r-- | storage/ibmdb2i/db2i_sqlStatementStream.cc | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/storage/ibmdb2i/db2i_sqlStatementStream.cc b/storage/ibmdb2i/db2i_sqlStatementStream.cc deleted file mode 100644 index 92a8b03fd00..00000000000 --- a/storage/ibmdb2i/db2i_sqlStatementStream.cc +++ /dev/null @@ -1,86 +0,0 @@ -/* -Licensed Materials - Property of IBM -DB2 Storage Engine Enablement -Copyright IBM Corporation 2007,2008 -All rights reserved - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - (a) Redistributions of source code must retain this list of conditions, the - copyright notice in section {d} below, and the disclaimer following this - list of conditions. - (b) Redistributions in binary form must reproduce this list of conditions, the - copyright notice in section (d) below, and the disclaimer following this - list of conditions, in the documentation and/or other materials provided - with the distribution. - (c) The name of IBM may not be used to endorse or promote products derived from - this software without specific prior written permission. - (d) The text of the required copyright notice is: - Licensed Materials - Property of IBM - DB2 Storage Engine Enablement - Copyright IBM Corporation 2007,2008 - All rights reserved - -THIS SOFTWARE IS PROVIDED BY IBM CORPORATION "AS IS" AND ANY EXPRESS OR IMPLIED -WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT -SHALL IBM CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT -OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT INCLUDING NEGLIGENCE OR OTHERWISE) ARISING -IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY -OF SUCH DAMAGE. -*/ - - -#include "db2i_sqlStatementStream.h" -#include "as400_types.h" - -/** - Add a statement to the statement stream, allocating additional memory as needed. - - @parm stmt The statement text - @parm length The length of the statement text - @parm fileSortSequence The DB2 sort sequence identifier, in EBCDIC - @parm fileSortSequenceLibrary The DB2 sort sequence library, in EBCDIC - - @return Reference to this object -*/ -SqlStatementStream& SqlStatementStream::addStatementInternal(const char* stmt, - uint32 length, - const char* fileSortSequence, - const char* fileSortSequenceLibrary) -{ - uint32 storageNeeded = length + sizeof(StmtHdr_t); - storageNeeded = (storageNeeded + 3) & ~3; // We have to be 4-byte aligned. - if (storageNeeded > storageRemaining()) - { - // We overallocate new storage to reduce number of times reallocation is - // needed. - int newSize = curSize + 2 * storageNeeded; - DBUG_PRINT("SqlStatementStream::addStatementInternal", - ("PERF: Had to realloc! Old size=%d. New size=%d", curSize, newSize)); - char* old_space = block; - char* new_space = (char*)getNewSpace(newSize); - memcpy(new_space, old_space, curSize); - ptr = new_space + (ptr - old_space); - curSize = newSize; - } - - DBUG_ASSERT((address64_t)ptr % 4 == 0); - - memcpy(((StmtHdr_t*)ptr)->SrtSeqNam, - fileSortSequence, - sizeof(((StmtHdr_t*)ptr)->SrtSeqNam)); - memcpy(((StmtHdr_t*)ptr)->SrtSeqSch, - fileSortSequenceLibrary, - sizeof(((StmtHdr_t*)ptr)->SrtSeqSch)); - ((StmtHdr_t*)ptr)->Length = length; - memcpy(ptr + sizeof(StmtHdr_t), stmt, length); - - ptr += storageNeeded; - ++statements; - - return *this; -} |