patch 4.0
This commit is contained in:
wangzelin.wzl
565
src/sql/engine/expr/ob_expr_ols_funcs.h
Normal file
565
src/sql/engine/expr/ob_expr_ols_funcs.h
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@ -0,0 +1,565 @@
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/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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||||
* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef _OB_EXPR_OLS_FUNCS_H
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#define _OB_EXPR_OLS_FUNCS_H
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#include "sql/engine/expr/ob_expr_operator.h"
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#include "sql/ob_sql_utils.h"
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#include "share/ob_rpc_struct.h"
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namespace oceanbase
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{
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namespace common
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{
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class ObSqlString;
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}
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namespace sql
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{
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class ObAlterTableStmt;
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class ObExprOLSBase {
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public:
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static int init_phy_plan_timeout(ObExecContext &exec_ctx, ObSQLSessionInfo &session);
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static int get_schema_guard(ObExecContext *exec_ctx, share::schema::ObSchemaGetterGuard *&schema_guard);
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static int append_str_to_sqlstring(common::ObSqlString &target, const common::ObString ¶m);
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int append_int_to_sqlstring(common::ObSqlString &target, const int64_t param) const;
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int gen_stmt_string(common::ObSqlString &ddl_stmt_str, const common::ObString &function_name, const common::ObString &args) const;
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int get_interger_from_obj_and_check(const common::ObObj ¶m,
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int64_t &comp_num,
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const ObValueChecker<int64_t> &checker,
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common::ObSqlString ¶m_str,
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bool accept_null = false) const;
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static int get_string_from_obj_and_check(common::ObIAllocator *allocator,
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const common::ObObj ¶m,
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common::ObString &name,
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const ObValueChecker<ObString::obstr_size_t> &checker,
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common::ObSqlString ¶m_str,
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bool accept_null = false);
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void set_ols_func_common_result_type(ObExprResType &type) const;
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void set_ols_func_common_result(common::ObObj &result) const;
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int send_policy_ddl_rpc(common::ObExprCtx &expr_ctx, const obrpc::ObLabelSePolicyDDLArg &ddl_arg) const;
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int send_component_ddl_rpc(common::ObExprCtx &expr_ctx, const obrpc::ObLabelSeComponentDDLArg &ddl_arg) const;
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int send_label_ddl_rpc(common::ObExprCtx &expr_ctx, const obrpc::ObLabelSeLabelDDLArg &ddl_arg) const;
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int send_user_level_ddl_rpc(common::ObExprCtx &expr_ctx, const obrpc::ObLabelSeUserLevelDDLArg &ddl_arg) const;
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int check_func_access_role(ObSQLSessionInfo &session) const;
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int set_session_schema_update_flag(common::ObExprCtx &expr_ctx) const;
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bool need_retry_ddl(ObExecContext &ctx, int &ret) const;
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};
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class ObExprOLSUtil {
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public:
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static int adjust_column_flag(ObAlterTableStmt &alter_table_stmt, bool is_add);
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static int restore_invisible_column_flag(share::schema::ObSchemaGetterGuard &schema_guard,
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const uint64_t tenant_id,
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ObAlterTableStmt &alter_table_stmt);
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static int generate_alter_table_args(common::ObExprCtx &expr_ctx,
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share::schema::ObSchemaGetterGuard &schema_guard,
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ObSQLSessionInfo &session,
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const common::ObString &ddl_stmt_str,
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ObAlterTableStmt *&alter_table_stmt);
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static int exec_switch_policy_column(const common::ObString &schema_name,
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const common::ObString &table_name,
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const common::ObString &column_name,
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common::ObExprCtx &expr_ctx,
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ObExecContext &exec_ctx,
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ObSQLSessionInfo &session,
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share::schema::ObSchemaGetterGuard &schema_guard,
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bool is_switch_on);
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static int exec_drop_policy_column(const common::ObString &schema_name,
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const common::ObString &table_name,
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const common::ObString &column_name,
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ObExecContext &exec_ctx,
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ObSQLSessionInfo &session);
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static int exec_add_policy_column(const common::ObString &ddl_stmt_str,
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const common::ObString &schema_name,
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const common::ObString &table_name,
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const common::ObString &column_name,
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ObExprCtx &expr_ctx,
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ObExecContext &exec_ctx,
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ObSQLSessionInfo &session,
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share::schema::ObSchemaGetterGuard &schema_guard);
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static int label_tag_compare(int64_t tenant_id,
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share::schema::ObSchemaGetterGuard &schema_guard,
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const int64_t label_tag1,
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const int64_t label_tag2,
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int64_t &cmp_result);
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};
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//--------------- Functions for OLS policy --------------------
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/**
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* @brief The ObExprOLSPolicyCreate class
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* PROCEDURE CREATE_POLICY (policy_name IN VARCHAR2,
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column_name IN VARCHAR2 DEFAULT NULL,
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default_options IN VARCHAR2 DEFAULT NULL);
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*/
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class ObExprOLSPolicyCreate : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSPolicyCreate(common::ObIAllocator &alloc);
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virtual ~ObExprOLSPolicyCreate();
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int calc_result_type3(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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ObExprResType &type3,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSPolicyAlter class
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* PROCEDURE ALTER_POLICY (policy_name IN VARCHAR2,
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default_options IN VARCHAR2 DEFAULT NULL);
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*/
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class ObExprOLSPolicyAlter : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSPolicyAlter(common::ObIAllocator &alloc);
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virtual ~ObExprOLSPolicyAlter();
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int calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSPolicyDrop class
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* PROCEDURE DROP_POLICY (policy_name IN VARCHAR2,
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drop_column BOOLEAN DEFAULT FALSE);
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*/
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class ObExprOLSPolicyDrop : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSPolicyDrop(common::ObIAllocator &alloc);
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virtual ~ObExprOLSPolicyDrop();
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int calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSPolicyDisable class
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* PROCEDURE DISABLE_POLICY (policy_name IN VARCHAR2);
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*/
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class ObExprOLSPolicyDisable : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSPolicyDisable(common::ObIAllocator &alloc);
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virtual ~ObExprOLSPolicyDisable();
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int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSPolicyEnable class
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* PROCEDURE ENABLE_POLICY (policy_name IN VARCHAR2);
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*/
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class ObExprOLSPolicyEnable : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSPolicyEnable(common::ObIAllocator &alloc);
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virtual ~ObExprOLSPolicyEnable();
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int calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const;
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};
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//--------------- Functions for OLS level --------------------
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/**
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* @brief The ObExprOLSLevelCreate class
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* PROCEDURE CREATE_LEVEL (policy_name IN VARCHAR2,
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level_num IN INTEGER,
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short_name IN VARCHAR2,
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long_name IN VARCHAR2);
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*/
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class ObExprOLSLevelCreate : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSLevelCreate(common::ObIAllocator &alloc);
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virtual ~ObExprOLSLevelCreate();
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int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_array,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSLevelAlter class
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* PROCEDURE ALTER_LEVEL (policy_name IN VARCHAR2,
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level_num IN INTEGER,
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new_short_name IN VARCHAR2 DEFAULT NULL,
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new_long_name IN VARCHAR2 DEFAULT NULL);
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//TODO [label]:
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PROCEDURE ALTER_LEVEL (policy_name IN VARCHAR2,
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short_name IN VARCHAR2,
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new_long_name IN VARCHAR2);
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*/
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class ObExprOLSLevelAlter : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSLevelAlter(common::ObIAllocator &alloc);
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virtual ~ObExprOLSLevelAlter();
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int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_array,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSLevelDrop class
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* PROCEDURE DROP_LEVEL (policy_name IN VARCHAR2,
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level_num IN INTEGER);
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//TODO: [label]
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PROCEDURE DROP_LEVEL (policy_name IN VARCHAR2,
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short_name IN VARCHAR2);
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*/
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class ObExprOLSLevelDrop : public ObFuncExprOperator, ObExprOLSBase
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{
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public:
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explicit ObExprOLSLevelDrop(common::ObIAllocator &alloc);
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virtual ~ObExprOLSLevelDrop();
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int calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const;
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};
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//--------------- Functions for OLS label --------------------
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/**
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* @brief The ObExprOLSLabelCreate class
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* PROCEDURE CREATE_LABEL (
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policy_name IN VARCHAR2,
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label_tag IN INTEGER,
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label_value IN VARCHAR2,
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data_label IN BOOLEAN DEFAULT TRUE);
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*/
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class ObExprOLSLabelCreate : public ObFuncExprOperator, ObExprOLSBase
|
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{
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public:
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explicit ObExprOLSLabelCreate(common::ObIAllocator &alloc);
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virtual ~ObExprOLSLabelCreate();
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int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_array,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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};
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/**
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* @brief The ObExprOLSLabelAlter class
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* PROCEDURE ALTER_LABEL (
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policy_name IN VARCHAR2,
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label_tag IN INTEGER,
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new_label_value IN VARCHAR2 DEFAULT NULL,
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new_data_label IN BOOLEAN DEFAULT NULL);
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//TODO [label]
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PROCEDURE ALTER_LABEL (
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policy_name IN VARCHAR2,
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label_value IN VARCHAR2,
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new_label_value IN VARCHAR2 DEFAULT NULL,
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new_data_label IN BOOLEAN DEFAULT NULL);
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*/
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class ObExprOLSLabelAlter : public ObFuncExprOperator, ObExprOLSBase
|
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{
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public:
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explicit ObExprOLSLabelAlter(common::ObIAllocator &alloc);
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virtual ~ObExprOLSLabelAlter();
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int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_array,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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};
|
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|
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/**
|
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* @brief The ObExprOLSLabelDrop class
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* PROCEDURE DROP_LABEL (
|
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policy_name IN VARCHAR2,
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label_tag IN INTEGER);
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//TODO [label]
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PROCEDURE DROP_LABEL (
|
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policy_name IN VARCHAR2,
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label_value IN VARCHAR2);
|
||||
*/
|
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class ObExprOLSLabelDrop : public ObFuncExprOperator, ObExprOLSBase
|
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{
|
||||
public:
|
||||
explicit ObExprOLSLabelDrop(common::ObIAllocator &alloc);
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||||
virtual ~ObExprOLSLabelDrop();
|
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|
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int calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
|
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ObExprResType &type2,
|
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common::ObExprTypeCtx &type_ctx) const;
|
||||
|
||||
};
|
||||
|
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//--------------- Functions for OLS table policy --------------------
|
||||
|
||||
/**
|
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* @brief The ObExprOLSTablePolicyApply class
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||||
* PROCEDURE APPLY_TABLE_POLICY (policy_name IN VARCHAR2,
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schema_name IN VARCHAR2,
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||||
table_name IN VARCHAR2,
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||||
table_options IN VARCHAR2 DEFAULT NULL,
|
||||
label_function IN VARCHAR2 DEFAULT NULL,
|
||||
predicate IN VARCHAR2 DEFAULT NULL);
|
||||
*/
|
||||
class ObExprOLSTablePolicyApply : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSTablePolicyApply(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSTablePolicyApply();
|
||||
int calc_result_typeN(ObExprResType &type,
|
||||
ObExprResType *types_array,
|
||||
int64_t param_num,
|
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common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSTablePolicyRemove class
|
||||
* PROCEDURE REMOVE_TABLE_POLICY (policy_name IN VARCHAR2,
|
||||
schema_name IN VARCHAR2,
|
||||
table_name IN VARCHAR2,
|
||||
drop_column IN BOOLEAN DEFAULT FALSE);
|
||||
*/
|
||||
class ObExprOLSTablePolicyRemove : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSTablePolicyRemove(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSTablePolicyRemove();
|
||||
int calc_result_typeN(ObExprResType &type,
|
||||
ObExprResType *types_array,
|
||||
int64_t param_num,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSTablePolicyApply class
|
||||
* PROCEDURE DISABLE_TABLE_POLICY (policy_name IN VARCHAR2,
|
||||
schema_name IN VARCHAR2,
|
||||
table_name IN VARCHAR2);
|
||||
*/
|
||||
class ObExprOLSTablePolicyDisable : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSTablePolicyDisable(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSTablePolicyDisable();
|
||||
int calc_result_type3(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
ObExprResType &type3,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSTablePolicyEnable class
|
||||
* PROCEDURE ENABLE_TABLE_POLICY (policy_name IN VARCHAR2,
|
||||
schema_name IN VARCHAR2,
|
||||
table_name IN VARCHAR2);
|
||||
*/
|
||||
class ObExprOLSTablePolicyEnable : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSTablePolicyEnable(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSTablePolicyEnable();
|
||||
int calc_result_type3(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
ObExprResType &type3,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
|
||||
//--------------- Functions for OLS schema policy --------------------
|
||||
//TODO [label], alter mutiple table to add columns in one transaction
|
||||
|
||||
|
||||
//--------------- Functions for OLS SA_USER_ADMIN -------------------->
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSTablePolicyRemove class
|
||||
* PROCEDURE SET_LEVELS (policy_name IN VARCHAR2,
|
||||
user_name IN VARCHAR2,
|
||||
max_level IN VARCHAR2,
|
||||
min_level IN VARCHAR2 DEFAULT NULL,
|
||||
def_level IN VARCHAR2 DEFAULT NULL,
|
||||
row_level IN VARCHAR2 DEFAULT NULL);
|
||||
*/
|
||||
class ObExprOLSUserSetLevels : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSUserSetLevels(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSUserSetLevels();
|
||||
int calc_result_typeN(ObExprResType &type,
|
||||
ObExprResType *types_array,
|
||||
int64_t param_num,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
//--------------- Functions for OLS SA_SESSION -------------------->
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSSessionSetLevel class
|
||||
* PROCEDURE SET_LABEL (policy_name IN VARCHAR2,
|
||||
label IN VARCHAR2);
|
||||
*/
|
||||
class ObExprOLSSessionSetLabel : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSSessionSetLabel(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSSessionSetLabel();
|
||||
int calc_result_type2(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief The ObExprOLSSessionSetRowLabel class
|
||||
* PROCEDURE SET_ROW_LABEL (policy_name IN VARCHAR2,
|
||||
row_label IN VARCHAR2);
|
||||
*/
|
||||
class ObExprOLSSessionSetRowLabel : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSSessionSetRowLabel(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSSessionSetRowLabel();
|
||||
int calc_result_type2(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
/**
|
||||
* @brief CREATE OR REPLACE PACKAGE BODY SA_SESSION AS
|
||||
PROCEDURE RESTORE_DEFAULT_LABELS (policy_name in VARCHAR2);
|
||||
*/
|
||||
class ObExprOLSSessionRestoreDefaultLabels : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSSessionRestoreDefaultLabels(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSSessionRestoreDefaultLabels();
|
||||
int calc_result_type1(ObExprResType &type, ObExprResType &type1, common::ObExprTypeCtx &type_ctx) const;
|
||||
};
|
||||
|
||||
|
||||
class ObExprOLSSessionLabel : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSSessionLabel(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSSessionLabel();
|
||||
int calc_result_type1(ObExprResType &type, ObExprResType &type1, common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_label(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
/* @brief
|
||||
SA_SESSION.ROW_LABEL (
|
||||
policy_name IN VARCHAR2)
|
||||
RETURN VARCHAR2;
|
||||
*/
|
||||
class ObExprOLSSessionRowLabel : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSSessionRowLabel(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSSessionRowLabel();
|
||||
int calc_result_type1(ObExprResType &type, ObExprResType &type1, common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_row_label(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
|
||||
//--------------- Functions for OLS CMP -------------------->
|
||||
/**
|
||||
* @brief The ObExprOLSLabelCompare class
|
||||
* obj1 int
|
||||
* obj2 int
|
||||
* only compare the label tag value
|
||||
*/
|
||||
class ObExprOLSLabelCmpLE : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSLabelCmpLE(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSLabelCmpLE();
|
||||
int calc_result_type2(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_cmple(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
class ObExprOLSLabelCheck : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSLabelCheck(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSLabelCheck();
|
||||
int calc_result_type1(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_label_check(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
class ObExprOLSLabelToChar : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSLabelToChar(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSLabelToChar();
|
||||
int calc_result_type1(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_label_to_char(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
class ObExprOLSCharToLabel : public ObFuncExprOperator, ObExprOLSBase
|
||||
{
|
||||
public:
|
||||
explicit ObExprOLSCharToLabel(common::ObIAllocator &alloc);
|
||||
virtual ~ObExprOLSCharToLabel();
|
||||
int calc_result_type2(ObExprResType &type,
|
||||
ObExprResType &type1,
|
||||
ObExprResType &type2,
|
||||
common::ObExprTypeCtx &type_ctx) const;
|
||||
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const override;
|
||||
static int eval_char_to_label(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#endif // _OB_EXPR_OLS_FUNCS_H
|
||||
Reference in New Issue
Block a user