init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
--- a/src/sql/optimizer/ob_index_info_cache.cpp
+++ b/src/sql/optimizer/ob_index_info_cache.cpp
@ -0,0 +1,113 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX SQL_OPT
+#include "ob_index_info_cache.h"
+#include "sql/resolver/dml/ob_dml_stmt.h"
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+ObIndexInfoCache::~ObIndexInfoCache()
+{
+  for (int i = 0; i < entry_count_; ++i) {
+    if (NULL != index_entrys_[i]) {
+      index_entrys_[i]->~IndexInfoEntry();
+    }
+  }
+}
+
+int ObIndexInfoCache::get_index_info_entry(
+    const uint64_t table_id, const uint64_t index_id, IndexInfoEntry*& entry) const
+{
+  int ret = OB_SUCCESS;
+  if (table_id != table_id_ || OB_UNLIKELY(OB_INVALID_ID == index_id)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("table_id is invalid", K(index_id), K_(table_id), K(ret));
+  } else {
+    for (int64_t i = 0; OB_SUCC(ret) && i < entry_count_; ++i) {
+      if (OB_ISNULL(index_entrys_[i])) {
+        ret = OB_ERR_UNEXPECTED;
+        LOG_WARN("entry should not be null", K(ret));
+      } else if (index_entrys_[i]->get_index_id() == index_id) {
+        entry = index_entrys_[i];
+        break;
+      }
+    }
+  }
+  return ret;
+}
+
+int ObIndexInfoCache::get_query_range(
+    const uint64_t table_id, const uint64_t index_id, const QueryRangeInfo*& range_info) const
+{
+  int ret = OB_SUCCESS;
+  range_info = NULL;
+  if (table_id != table_id_) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("table_id is invalid", K(table_id), K_(table_id), K(ret));
+  } else {
+    IndexInfoEntry* entry = NULL;
+    if (OB_FAIL(get_index_info_entry(table_id, index_id, entry))) {
+      LOG_WARN("failed to get index_info entry", K(index_id), K(ret));
+    } else if (OB_ISNULL(entry)) {
+      ret = OB_ERR_UNEXPECTED;
+      LOG_WARN("entry should not be null", K(ret));
+    } else if (entry->get_range_info().is_valid()) {
+      range_info = &entry->get_range_info();
+    } else {
+      LOG_TRACE("entry is invalid", K(table_id), K(index_id));
+    }
+  }
+  return ret;
+}
+
+int ObIndexInfoCache::get_access_path_ordering(
+    const uint64_t table_id, const uint64_t index_id, const OrderingInfo*& ordering_info) const
+{
+  int ret = OB_SUCCESS;
+  ordering_info = NULL;
+  if (table_id != table_id_) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("table_id is invalid", K(table_id), K_(table_id), K(ret));
+  } else {
+    IndexInfoEntry* entry = NULL;
+    if (OB_FAIL(get_index_info_entry(table_id, index_id, entry))) {
+      LOG_WARN("failed to get index_info entry", K(index_id), K(ret));
+    } else if (OB_ISNULL(entry)) {
+      ret = OB_ERR_UNEXPECTED;
+      LOG_WARN("entry should not be null", K(ret));
+    } else {
+      ordering_info = &entry->get_ordering_info();
+    }
+  }
+  return ret;
+}
+
+int ObIndexInfoCache::add_index_info_entry(IndexInfoEntry* entry)
+{
+  int ret = OB_SUCCESS;
+  if (OB_ISNULL(entry)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("entry should not be null", K(ret));
+  } else if (entry_count_ >= common::OB_MAX_INDEX_PER_TABLE + 1) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid entry count", K(ret), K_(entry_count), K(common::OB_MAX_INDEX_PER_TABLE));
+  } else {
+    index_entrys_[entry_count_] = entry;
+    ++entry_count_;
+  }
+  return ret;
+}
+
+}  // end of namespace sql
+}  // end of namespace oceanbase