diff options
Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/codegen/Code_query_sys.cpp')
-rw-r--r-- | storage/ndb/src/old_files/client/odbc/codegen/Code_query_sys.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/codegen/Code_query_sys.cpp b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_sys.cpp new file mode 100644 index 00000000000..affe3dc1264 --- /dev/null +++ b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_sys.cpp @@ -0,0 +1,130 @@ +/* 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 */ + +#include <NdbApi.hpp> +#include <common/StmtArea.hpp> +#include <dictionary/DictTable.hpp> +#include <dictionary/DictColumn.hpp> +#include "Code_query_sys.hpp" +#include "Code_column.hpp" +#include "Code_root.hpp" + +// Plan_query_sys + +Plan_query_sys::~Plan_query_sys() +{ +} + +Plan_base* +Plan_query_sys::analyze(Ctx& ctx, Ctl& ctl) +{ + ctx_assert(m_table != 0); + m_table->analyze(ctx, ctl); + if (! ctx.ok()) + return 0; + return this; +} + +Exec_base* +Plan_query_sys::codegen(Ctx& ctx, Ctl& ctl) +{ + // set up + ctx_assert(m_table != 0); + const DictTable& dictTable = m_table->dictTable(); + const ColumnVector& columns = m_table->exprColumns(); + ctx_assert(columns.size() > 0); + const unsigned attrCount = columns.size() - 1; + // create the code + Exec_query_sys::Code& code = *new Exec_query_sys::Code(attrCount); + code.m_sysId = dictTable.sysId(); + // queried attributes + code.m_attrId = new NdbAttrId[1 + attrCount]; + code.m_attrId[0] = (NdbAttrId)-1; + for (unsigned i = 1; i <= attrCount; i++) { + Plan_column* column = columns[i]; + ctx_assert(column != 0); + const DictColumn& dictColumn = column->dictColumn(); + const SqlType& sqlType = dictColumn.sqlType(); + SqlSpec sqlSpec(sqlType, SqlSpec::Physical); + code.m_sqlSpecs.setEntry(i, sqlSpec); + code.m_attrId[i] = dictColumn.getAttrId(); + } + // create the exec + Exec_query_sys* exec = new Exec_query_sys(ctl.m_execRoot); + ctl.m_execRoot->saveNode(exec); + exec->setCode(code); + return exec; +} + +void +Plan_query_sys::print(Ctx& ctx) +{ + ctx.print(" [query_sys"); + Plan_base* a[] = { m_table }; + printList(ctx, a, 1); + ctx.print("]"); +} + +// Exec_query_sys + +Exec_query_sys::Code::~Code() +{ + delete[] m_attrId; +} + +Exec_query_sys::Data::~Data() +{ +} + +Exec_query_sys::~Exec_query_sys() +{ +} + +void +Exec_query_sys::alloc(Ctx& ctx, Ctl& ctl) +{ + const Code& code = getCode(); + // create data + Data& data = *new Data(this, code.sqlSpecs()); + setData(data); +} + +void +Exec_query_sys::close(Ctx& ctx) +{ + Data& data = getData(); + data.m_rowPos = 0; + data.m_tablePos = 0; + data.m_attrPos = 0; + data.m_keyPos = 0; +} + +void +Exec_query_sys::print(Ctx& ctx) +{ + ctx.print(" [query_sys"); + if (m_code != 0) { + const Code& code = getCode(); + ctx.print(" attrId="); + for (unsigned i = 1; i <= code.m_attrCount; i++) { + if (i > 1) + ctx.print(","); + ctx.print("%u", (unsigned)code.m_attrId[i]); + } + ctx.print(" sysId=%u", (unsigned)code.m_sysId); + } + ctx.print("]"); +} |