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-rw-r--r--storage/ndb/src/old_files/client/odbc/executor/Exec_delete_index.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/executor/Exec_delete_index.cpp b/storage/ndb/src/old_files/client/odbc/executor/Exec_delete_index.cpp
new file mode 100644
index 00000000000..10814654a58
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+++ b/storage/ndb/src/old_files/client/odbc/executor/Exec_delete_index.cpp
@@ -0,0 +1,82 @@
+/* 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 <common/ResultArea.hpp>
+#include <codegen/Code_expr.hpp>
+#include <codegen/Code_delete_index.hpp>
+#include <codegen/Code_query.hpp>
+
+void
+Exec_delete_index::execImpl(Ctx& ctx, Ctl& ctl)
+{
+ const Code& code = getCode();
+ Data& data = getData();
+ Ndb* const ndb = ndbObject();
+ NdbConnection* const tcon = ndbConnection();
+ // execute subquery
+ ctx_assert(m_query != 0);
+ m_query->execute(ctx, ctl);
+ if (! ctx.ok())
+ return;
+ // delete each row from the query
+ data.setCount(0);
+ while (m_query->fetch(ctx, ctl)) {
+ NdbOperation* op = tcon->getNdbIndexOperation(code.m_indexName, code.m_tableName);
+ if (op == 0) {
+ ctx.pushStatus(ndb, tcon, 0, "getIndexNdbOperation");
+ return;
+ }
+ if (op->deleteTuple() == -1) {
+ ctx.pushStatus(ndb, tcon, op, "deleteTuple");
+ return;
+ }
+ bool done = false;
+ for (unsigned k = 1; k <= code.m_keyCount; k++) {
+ Exec_expr* exprMatch = code.m_keyMatch[k];
+ ctx_assert(exprMatch != 0);
+ exprMatch->evaluate(ctx, ctl);
+ if (! ctx.ok())
+ return;
+ const SqlField& keyMatch = exprMatch->getData().sqlField();
+ SqlField f(code.m_keySpecs.getEntry(k));
+ if (! keyMatch.cast(ctx, f)) {
+ done = true; // match is not possible
+ break;
+ }
+ const NdbAttrId keyId = code.m_keyId[k];
+ const void* addr = f.addr();
+ const char* value = static_cast<const char*>(addr);
+ if (op->equal(keyId, value) == -1) {
+ ctx.pushStatus(ndb, tcon, op, "equal attrId=%u", (unsigned)keyId);
+ return;
+ }
+ }
+ if (done)
+ continue;
+ if (tcon->execute(NoCommit) == -1) {
+ // XXX when did 626 move to connection level
+ if (tcon->getNdbError().code != 626 && op->getNdbError().code != 626) {
+ ctx.pushStatus(ndb, tcon, op, "execute without commit");
+ return;
+ }
+ } else {
+ data.addCount();
+ }
+ }
+ stmtArea().setRowCount(ctx, data.getCount());
+}