[FEAT MERGE] Vector Index & Array Type

Co-authored-by: helloamateur <magiccheery@163.com> Co-authored-by: skylhd <dickylhd@gmail.com> Co-authored-by: JLY2015 <1623359870@qq.com>
2024-08-29 07:52:21 +00:00
parent 376ae13422
commit 5cbd86c9e6
443 changed files with 46822 additions and 2893 deletions
--- a/src/sql/engine/expr/ob_expr_vec_vector.cpp
+++ b/src/sql/engine/expr/ob_expr_vec_vector.cpp
@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2023 OceanBase
+ * OceanBase 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 COMMON
+
+#include "sql/engine/expr/ob_expr_vec_vector.h"
+#include "lib/udt/ob_collection_type.h"
+#include "lib/udt/ob_array_type.h"
+#include "sql/engine/expr/ob_expr_lob_utils.h"
+#include "sql/engine/expr/ob_array_expr_utils.h"
+#include "sql/engine/ob_exec_context.h"
+
+namespace oceanbase
+{
+using namespace common;
+namespace sql
+{
+ObExprVecVector::ObExprVecVector(ObIAllocator &allocator)
+  : ObFuncExprOperator(allocator, T_FUN_SYS_VEC_VECTOR, N_VEC_VECTOR, MORE_THAN_ZERO, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
+{
+  need_charset_convert_ = false;
+}
+
+int ObExprVecVector::calc_result_typeN(ObExprResType &type,
+                                       ObExprResType *types,
+                                       int64_t param_num,
+                                       ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  ObSQLSessionInfo *session = const_cast<ObSQLSessionInfo *>(type_ctx.get_session());
+  ObExecContext *exec_ctx = OB_ISNULL(session) ? NULL : session->get_cur_exec_ctx();
+  ObDataType elem_type;
+  elem_type.meta_.set_float();
+  uint16_t subschema_id;
+  if (OB_ISNULL(exec_ctx)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("exec ctx is null", K(ret));
+  } else if (OB_FAIL(exec_ctx->get_subschema_id_by_collection_elem_type(ObNestedType::OB_VECTOR_TYPE,
+                                                                        elem_type, subschema_id))) {
+    LOG_WARN("failed to get collection subschema id", K(ret));
+  } else {
+    type.set_collection(subschema_id);
+  }
+  return ret;
+}
+
+int ObExprVecVector::calc_resultN(ObObj &result,
+                                  const ObObj *objs_array,
+                                  int64_t param_num,
+                                  ObExprCtx &expr_ctx) const
+{
+  return OB_NOT_SUPPORTED;
+}
+
+int ObExprVecVector::cg_expr(
+    ObExprCGCtx &expr_cg_ctx,
+    const ObRawExpr &raw_expr,
+    ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(raw_expr);
+  UNUSED(expr_cg_ctx);
+  if (OB_UNLIKELY(rt_expr.arg_cnt_ < 1) || OB_ISNULL(rt_expr.args_)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid arguments", K(rt_expr.arg_cnt_), KP(rt_expr.args_), K(rt_expr.type_));
+  } else {
+    rt_expr.eval_func_ = generate_vec_vector;
+  }
+  return ret;
+}
+
+/*static*/ int ObExprVecVector::generate_vec_vector(
+    const ObExpr &raw_ctx,
+    ObEvalCtx &eval_ctx,
+    ObDatum &expr_datum)
+{
+  int ret = OB_SUCCESS;
+  ObDatum *datum = nullptr;
+  if (OB_FAIL(raw_ctx.args_[0]->eval(eval_ctx, datum))) {
+    LOG_WARN("fail to eval arg expr", K(ret), KPC(raw_ctx.args_[0]));
+  } else if (OB_ISNULL(datum)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("get null datum", K(ret), KPC(raw_ctx.args_[0]));
+  } else {
+    expr_datum.set_string(datum->get_string());
+  }
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase