summaryrefslogtreecommitdiff
path: root/sql/sql_lex.h
diff options
context:
space:
mode:
Diffstat (limited to 'sql/sql_lex.h')
-rw-r--r--sql/sql_lex.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 38f1417b40c..b17f0f4ec63 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -47,6 +47,7 @@ class sys_var;
class Item_func_match;
class File_parser;
class Key_part_spec;
+struct sql_digest_state;
#ifdef MYSQL_SERVER
/*
@@ -2048,6 +2049,10 @@ public:
/** LALR(2) resolution, value of the look ahead token.*/
LEX_YYSTYPE lookahead_yylval;
+ void add_digest_token(uint token, LEX_YYSTYPE yylval);
+
+ void reduce_digest_token(uint token_left, uint token_right);
+
private:
/** Pointer to the current position in the raw input stream. */
char *m_ptr;
@@ -2167,7 +2172,7 @@ public:
/**
Current statement digest instrumentation.
*/
- PSI_digest_locker* m_digest_psi;
+ sql_digest_state* m_digest;
};
/**
@@ -2863,6 +2868,18 @@ public:
};
/**
+ Input parameters to the parser.
+*/
+struct Parser_input
+{
+ bool m_compute_digest;
+
+ Parser_input()
+ : m_compute_digest(false)
+ {}
+};
+
+/**
Internal state of the parser.
The complete state consist of:
- state data used during lexical parsing,
@@ -2889,9 +2906,15 @@ public:
~Parser_state()
{}
+ Parser_input m_input;
Lex_input_stream m_lip;
Yacc_state m_yacc;
+ /**
+ Current performance digest instrumentation.
+ */
+ PSI_digest_locker* m_digest_psi;
+
void reset(char *found_semicolon, unsigned int length)
{
m_lip.reset(found_semicolon, length);
@@ -2899,6 +2922,11 @@ public:
}
};
+extern sql_digest_state *
+digest_add_token(sql_digest_state *state, uint token, LEX_YYSTYPE yylval);
+
+extern sql_digest_state *
+digest_reduce_token(sql_digest_state *state, uint token_left, uint token_right);
struct st_lex_local: public LEX
{