Exec_create_table.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* 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 <dictionary/DictSchema.hpp>
- #include <codegen/Code_create_table.hpp>
- void
- Exec_create_table::execute(Ctx& ctx, Ctl& ctl)
- {
- const Code& code = getCode();
- Data& data = getData();
- Ndb* const ndb = ndbObject();
- NdbDictionary::Dictionary* ndbDictionary = ndb->getDictionary();
- if (ndbDictionary == 0) {
- ctx.pushStatus(ndb, "getDictionary");
- return;
- }
- NdbDictionary::Table ndbTable(code.m_tableName.c_str());
- for (unsigned i = 1; i <= code.m_attrCount; i++) {
- const Code::Attr& attr = code.m_attrList[i];
- NdbDictionary::Column ndbColumn(attr.m_attrName.c_str());
- if (i == code.m_tupleId)
- ndbColumn.setTupleKey(true); // XXX setTupleId()
- if (ctx.logLevel() >= 3) {
- char buf[100];
- attr.m_sqlType.print(buf, sizeof(buf));
- ctx_log3(("attr %s type %s", ndbColumn.getName(), buf));
- }
- if (attr.m_tupleKey)
- ndbColumn.setPrimaryKey(true);
- attr.m_sqlType.getType(ctx, &ndbColumn);
- if (! ctx.ok())
- return;
- if (attr.m_autoIncrement)
- ndbColumn.setAutoIncrement(true);
- char defaultValue[MAX_ATTR_DEFAULT_VALUE_SIZE];
- defaultValue[0] = 0;
- if (attr.m_defaultValue != 0) {
- // XXX obviously should evalute it at insert time too
- attr.m_defaultValue->evaluate(ctx, ctl);
- if (! ctx.ok())
- return;
- const SqlField& f = attr.m_defaultValue->getData().sqlField();
- const SqlType& t = f.sqlSpec().sqlType();
- // XXX use SqlField cast method instead
- SQLINTEGER ind = 0;
- ExtType extType(ExtType::Char);
- ExtSpec extSpec(extType);
- ExtField extField(extSpec, (SQLPOINTER)defaultValue, sizeof(defaultValue), &ind);
- f.copyout(ctx, extField);
- if (! ctx.ok())
- return;
- if (ind == SQL_NULL_DATA) // do not store NULL default
- defaultValue[0] = 0;
- }
- if (defaultValue[0] != 0)
- ndbColumn.setDefaultValue(defaultValue);
- ndbTable.addColumn(ndbColumn);
- }
- if (code.m_fragmentType != NdbDictionary::Object::FragUndefined)
- ndbTable.setFragmentType(code.m_fragmentType);
- ndbTable.setLogging(code.m_logging);
- dictSchema().deleteTable(ctx, code.m_tableName);
- if (ndbDictionary->createTable(ndbTable) == -1) {
- ctx.pushStatus(ndbDictionary->getNdbError(), "createTable %s", ndbTable.getName());
- return;
- }
- ctx_log1(("table %s created", ndbTable.getName()));
- }