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fix some potential bugs

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This commit is contained in:
wangt1xiuyi
2021-08-20 10:45:52 +08:00
committed by wangzelin.wzl
parent 3107d410f1
commit 047132a3a7
3 changed files with 66 additions and 38 deletions
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12
src/sql/parser/ob_parser.h
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@ -53,10 +53,18 @@ public:
bool is_single_stmt(const common::ObString& stmt);
int split_multiple_stmt(const common::ObString& stmt, common::ObIArray<common::ObString>& queries,
ObMPParseStat& parse_fail, bool is_ret_first_stmt = false);
int parse_sql(const common::ObString& stmt, ParseResult& parse_result);
//@param:
// no_throw_parser_error is used to mark not throw parser error. in the split multi stmt
// situation we will try find ';' delimiter to parser part of string in case of save memory,
// but this maybe parser error and throw error info. However, we will still try parser remain
// string when parse part of string failed, if we throw parse part error info, maybe will let
// someone misunderstand have bug, So, we introduce this mark to decide to throw parser erorr.
// eg: select '123;' from dual; select '123' from dual;
int parse_sql(const common::ObString& stmt, ParseResult& parse_result,
const bool no_throw_parser_error = false);
virtual int parse(const common::ObString& stmt, ParseResult& parse_result, ParseMode mode = STD_MODE,
const bool is_batched_multi_stmt_split_on = false);
const bool is_batched_multi_stmt_split_on = false, const bool no_throw_parser_error = false);
virtual void free_result(ParseResult& parse_result);
/**