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5.6.24

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This commit is contained in:
Sergei Golubchik
2015-05-04 22:16:00 +02:00
parent 05c002d0ff
commit d71d411905
128 changed files with 731 additions and 1663 deletions
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57
include/mysql/psi/psi.h
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@@ -1,4 +1,4 @@
/* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
/* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -43,18 +43,8 @@
C_MODE_START
struct TABLE_SHARE;
/*
There are 3 known bison parsers in the server:
- (1) the SQL parser itself, sql/sql_yacc.yy
- (2) storage/innobase/fts/fts0pars.y
- (3) storage/innobase/pars/pars0grm.y
What is instrumented here are the tokens from the SQL query text (1),
to make digests.
Now, to avoid name pollution and conflicts with different YYSTYPE definitions,
an opaque structure is used here.
The real type to use when invoking the digest api is LEX_YYSTYPE.
*/
struct OPAQUE_LEX_YYSTYPE;
struct sql_digest_storage;
/**
@file mysql/psi/psi.h
@@ -952,29 +942,6 @@ struct PSI_table_locker_state_v1
uint m_index;
};
#define PSI_MAX_DIGEST_STORAGE_SIZE 1024
/**
Structure to store token count/array for a statement
on which digest is to be calculated.
*/
struct PSI_digest_storage
{
my_bool m_full;
int m_byte_count;
/** Character set number. */
uint m_charset_number;
unsigned char m_token_array[PSI_MAX_DIGEST_STORAGE_SIZE];
};
typedef struct PSI_digest_storage PSI_digest_storage;
struct PSI_digest_locker_state
{
int m_last_id_index;
PSI_digest_storage m_digest_storage;
};
typedef struct PSI_digest_locker_state PSI_digest_locker_state;
/* Duplicate of NAME_LEN, to avoid dependency on mysql_com.h */
#define PSI_SCHEMA_NAME_LEN (64 * 3)
@@ -1037,7 +1004,7 @@ struct PSI_statement_locker_state_v1
/** Metric, number of sort scans. */
ulong m_sort_scan;
/** Statement digest. */
PSI_digest_locker_state m_digest_state;
const struct sql_digest_storage *m_digest;
/** Current schema name. */
char m_schema_name[PSI_SCHEMA_NAME_LEN];
/** Length in bytes of @c m_schema_name. */
@@ -1902,11 +1869,15 @@ typedef void (*set_socket_info_v1_t)(struct PSI_socket *socket,
*/
typedef void (*set_socket_thread_owner_v1_t)(struct PSI_socket *socket);
/**
Get a digest locker for the current statement.
@param locker a statement locker for the running thread
*/
typedef struct PSI_digest_locker * (*digest_start_v1_t)
(struct PSI_statement_locker *locker);
typedef struct PSI_digest_locker* (*digest_add_token_v1_t)
(struct PSI_digest_locker *locker, uint token, struct OPAQUE_LEX_YYSTYPE *yylval);
typedef void (*digest_end_v1_t)
(struct PSI_digest_locker *locker, const struct sql_digest_storage *digest);
/**
Stores an array of connection attributes
@@ -2118,8 +2089,8 @@ struct PSI_v1
set_socket_thread_owner_v1_t set_socket_thread_owner;
/** @sa digest_start_v1_t. */
digest_start_v1_t digest_start;
/** @sa digest_add_token_v1_t. */
digest_add_token_v1_t digest_add_token;
/** @sa digest_end_v1_t. */
digest_end_v1_t digest_end;
/** @sa set_thread_connect_attrs_v1_t. */
set_thread_connect_attrs_v1_t set_thread_connect_attrs;
};
@@ -2414,6 +2385,10 @@ extern MYSQL_PLUGIN_IMPORT PSI *PSI_server;
#define PSI_STATEMENT_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
#ifndef PSI_DIGEST_CALL
#define PSI_DIGEST_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
#ifndef PSI_TABLE_CALL
#define PSI_TABLE_CALL(M) PSI_DYNAMIC_CALL(M)
#endif