[FEAT MERGE] Full-text Search Index + [CP]Adaptive DAS Group Rescan + Json Multi-Value Index

Co-authored-by: saltonz <saltonzh@gmail.com> Co-authored-by: pe-99y <315053752@qq.com> Co-authored-by: JinmaoLi <ljm.csmaster@gmail.com>
2024-04-22 05:46:18 +00:00
parent 3dd0008dc9
commit f1a6170c93
338 changed files with 28067 additions and 3880 deletions
--- a/src/sql/engine/expr/ob_expr_doc_length.cpp
+++ b/src/sql/engine/expr/ob_expr_doc_length.cpp
@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2024 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 STORAGE_FTS
+
+#include "sql/engine/expr/ob_expr_doc_length.h"
+
+namespace oceanbase
+{
+using namespace common;
+namespace sql
+{
+ObExprDocLength::ObExprDocLength(ObIAllocator &allocator)
+  : ObFuncExprOperator(allocator, T_FUN_SYS_DOC_LENGTH, N_DOC_LENGTH, MORE_THAN_ZERO, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
+{
+  need_charset_convert_ = false;
+}
+
+int ObExprDocLength::calc_result_typeN(ObExprResType &type,
+                                       ObExprResType *types,
+                                       int64_t param_num,
+                                       ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  if (OB_UNLIKELY(param_num < 1) || OB_ISNULL(types)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid argument for fulltext expr", K(ret), K(param_num), KP(types));
+  } else {
+    types[0].set_uint64();
+    type.set_scale(ObAccuracy::DDL_DEFAULT_ACCURACY[ObUInt64Type].scale_);
+    type.set_precision(ObAccuracy::DDL_DEFAULT_ACCURACY[ObUInt64Type].precision_);
+    type.set_result_flag(NOT_NULL_FLAG);
+  }
+  return ret;
+}
+
+int ObExprDocLength::calc_resultN(ObObj &result,
+                                  const ObObj *objs_array,
+                                  int64_t param_num,
+                                  ObExprCtx &expr_ctx) const
+{
+  return OB_NOT_SUPPORTED;
+}
+
+int ObExprDocLength::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_doc_length;
+  }
+  return ret;
+}
+
+int ObExprDocLength::generate_doc_length(
+    const ObExpr &raw_ctx,
+    ObEvalCtx &eval_ctx,
+    ObDatum &expr_datum)
+{
+  int ret = OB_SUCCESS;
+  UNUSEDx(raw_ctx, eval_ctx);
+  expr_datum.set_null();
+  return ret;
+}
+}  // namespace sql
+}  // namespace oceanbase