diff options
Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/codegen/Code_update_lookup.cpp')
| -rw-r--r-- | storage/ndb/src/old_files/client/odbc/codegen/Code_update_lookup.cpp | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/codegen/Code_update_lookup.cpp b/storage/ndb/src/old_files/client/odbc/codegen/Code_update_lookup.cpp deleted file mode 100644 index 7525fb72692..00000000000 --- a/storage/ndb/src/old_files/client/odbc/codegen/Code_update_lookup.cpp +++ /dev/null @@ -1,194 +0,0 @@ -/* 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 <common/StmtArea.hpp> -#include <dictionary/DictTable.hpp> -#include <dictionary/DictColumn.hpp> -#include "Code_dml_column.hpp" -#include "Code_expr.hpp" -#include "Code_update_lookup.hpp" -#include "Code_table.hpp" -#include "Code_root.hpp" - -// Plan_update_lookup - -Plan_update_lookup::~Plan_update_lookup() -{ -} - -Plan_base* -Plan_update_lookup::analyze(Ctx& ctx, Ctl& ctl) -{ - ctl.m_dmlRow = m_dmlRow; // row type to convert to - ctx_assert(m_query != 0); - m_query->analyze(ctx, ctl); - if (! ctx.ok()) - return 0; - ctx_assert(m_table != 0); - m_table->analyze(ctx, ctl); - if (! ctx.ok()) - return 0; - return this; -} - -void -Plan_update_lookup::describe(Ctx& ctx) -{ - stmtArea().setFunction(ctx, "UPDATE WHERE", SQL_DIAG_UPDATE_WHERE); -} - -Exec_base* -Plan_update_lookup::codegen(Ctx& ctx, Ctl& ctl) -{ - // generate code for the query - ctx_assert(m_query != 0); - Exec_query* execQuery = static_cast<Exec_query*>(m_query->codegen(ctx, ctl)); - if (! ctx.ok()) - return 0; - ctx_assert(execQuery != 0); - // set up - ctx_assert(m_table != 0); - const BaseString& tableName = m_table->getName(); - const DictTable& dictTable = m_table->dictTable(); - const unsigned keyCount = dictTable.keyCount(); - const ColumnVector& columns = m_table->dmlColumns(); - ctx_assert(columns.size() > 0); - const unsigned attrCount = columns.size() - 1; - // create the code - Exec_update_lookup::Code& code = *new Exec_update_lookup::Code(keyCount); - code.m_tableName = strcpy(new char[tableName.length() + 1], tableName.c_str()); - // key attributes - code.m_keyId = new NdbAttrId[1 + keyCount]; - code.m_keyId[0] = (NdbAttrId)-1; - for (unsigned k = 1; k <= keyCount; k++) { - const DictColumn* keyColumn = dictTable.getKey(k); - const SqlType& sqlType = keyColumn->sqlType(); - SqlSpec sqlSpec(sqlType, SqlSpec::Physical); - code.m_keySpecs.setEntry(k, sqlSpec); - code.m_keyId[k] = keyColumn->getAttrId(); - } - // matching expressions - const Plan_table::Index& index = m_table->m_indexList[0]; - ctx_assert(index.m_keyFound); - const ExprVector& keyEq = index.m_keyEq; - ctx_assert(keyEq.size() == 1 + keyCount); - code.m_keyMatch = new Exec_expr* [1 + keyCount]; - code.m_keyMatch[0] = 0; - for (unsigned k = 1; k <= keyCount; k++) { - Plan_expr* expr = keyEq[k]; - Exec_expr* execExpr = static_cast<Exec_expr*>(expr->codegen(ctx, ctl)); - if (! ctx.ok()) - return 0; - ctx_assert(execExpr != 0); - code.m_keyMatch[k] = execExpr; - } - // updated attributes - code.m_attrCount = attrCount; - 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(); - code.m_attrId[i] = dictColumn.getAttrId(); - } - // create the exec - Exec_update_lookup* exec = new Exec_update_lookup(ctl.m_execRoot); - ctl.m_execRoot->saveNode(exec); - exec->setCode(code); - exec->setQuery(execQuery); - return exec; -} - -void -Plan_update_lookup::print(Ctx& ctx) -{ - ctx.print(" [update_lookup"); - Plan_base* a[] = { m_table, m_query }; - printList(ctx, a, sizeof(a)/sizeof(a[0])); - ctx.print("]"); -} - -// Exec_delete - -Exec_update_lookup::Code::~Code() -{ - delete[] m_tableName; - delete[] m_keyId; - delete[] m_keyMatch; - delete[] m_attrId; -} - -Exec_update_lookup::Data::~Data() -{ -} - -Exec_update_lookup::~Exec_update_lookup() -{ -} - -void -Exec_update_lookup::alloc(Ctx& ctx, Ctl& ctl) -{ - const Code& code = getCode(); - // allocate the subquery - ctx_assert(m_query != 0); - m_query->alloc(ctx, ctl); - if (! ctx.ok()) - return; - // create data - Data& data = *new Data; - setData(data); - // allocate matching expressions - for (unsigned k = 1; k <= code.m_keyCount; k++) { - Exec_expr* expr = code.m_keyMatch[k]; - ctx_assert(expr != 0); - expr->alloc(ctx, ctl); - if (! ctx.ok()) - return; - } -} - -void -Exec_update_lookup::close(Ctx& ctx) -{ - ctx_assert(m_query != 0); - m_query->close(ctx); -} - -void -Exec_update_lookup::print(Ctx& ctx) -{ - ctx.print(" [update_lookup"); - if (m_code != 0) { - const Code& code = getCode(); - ctx.print(" keyId="); - for (unsigned i = 1; i <= code.m_keyCount; i++) { - if (i > 1) - ctx.print(","); - ctx.print("%u", (unsigned)code.m_keyId[i]); - } - 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]); - } - } - Exec_base* a[] = { m_query }; - printList(ctx, a, 1); - ctx.print("]"); -} |