item_strfunc.cc File Reference

This file defines all string Items (e.g. More...

#include "sql/item_strfunc.h"
#include <fcntl.h>
#include <algorithm>
#include <atomic>
#include <climits>
#include <cmath>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <memory>
#include <ostream>
#include <string>
#include <utility>
#include <vector>
#include <openssl/sha.h>
#include <zconf.h>
#include <zlib.h>
#include "base64.h"
#include "decimal.h"
#include "dig_vec.h"
#include "field_types.h"
#include "lex_string.h"
#include "m_string.h"
#include "my_aes.h"
#include "my_alloc.h"
#include "my_byteorder.h"
#include "my_checksum.h"
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_dir.h"
#include "my_io.h"
#include "my_md5.h"
#include "my_md5_size.h"
#include "my_rnd.h"
#include "my_sqlcommand.h"
#include "my_stacktrace.h"
#include "my_sys.h"
#include "my_systime.h"
#include "myisampack.h"
#include "mysql/components/services/bits/my_io_bits.h"
#include "mysql/components/services/log_builtins.h"
#include "mysql/my_loglevel.h"
#include "mysql/mysql_lex_string.h"
#include "mysql/psi/mysql_file.h"
#include "mysql/psi/mysql_mutex.h"
#include "mysql/strings/dtoa.h"
#include "mysql/strings/int2str.h"
#include "mysql/strings/m_ctype.h"
#include "mysqld_error.h"
#include "mysys_err.h"
#include "nulls.h"
#include "sha1.h"
#include "sha2.h"
#include "sql-common/my_decimal.h"
#include "sql/auth/auth_acls.h"
#include "sql/auth/auth_common.h"
#include "sql/auth/sql_security_ctx.h"
#include "sql/current_thd.h"
#include "sql/dd/dd_event.h"
#include "sql/dd/dd_table.h"
#include "sql/dd/info_schema/metadata.h"
#include "sql/dd/info_schema/table_stats.h"
#include "sql/dd/info_schema/tablespace_stats.h"
#include "sql/dd/properties.h"
#include "sql/dd/string_type.h"
#include "sql/dd/types/event.h"
#include "sql/dd_sql_view.h"
#include "sql/derror.h"
#include "sql/error_handler.h"
#include "sql/events.h"
#include "sql/filesort.h"
#include "sql/handler.h"
#include "sql/mysqld.h"
#include "sql/parse_tree_node_base.h"
#include "sql/resourcegroups/resource_group_mgr.h"
#include "sql/rpl_gtid.h"
#include "sql/sort_param.h"
#include "sql/sql_class.h"
#include "sql/sql_digest.h"
#include "sql/sql_digest_stream.h"
#include "sql/sql_error.h"
#include "sql/sql_lex.h"
#include "sql/sql_locale.h"
#include "sql/sql_show.h"
#include "sql/strfunc.h"
#include "sql/system_variables.h"
#include "sql/table.h"
#include "sql/val_int_compare.h"
#include "sql_string.h"
#include "string_with_len.h"
#include "strxmov.h"
#include "template_utils.h"
#include "typelib.h"
#include "unhex.h"
#include "vector-common/vector_conversion.h"

Classes
class	kdf_argument
class	iv_argument
	helper class to process an IV argument to aes_encrypt/aes_decrypt More...
class	anonymous_namespace{item_strfunc.cc}::Thd_parse_modifier
	Because it's not possible to disentangle the state of the parser from the THD, we have to destructively modify the current THD object in order to parse. More...
class	anonymous_namespace{item_strfunc.cc}::Parse_error_anonymizer
	Error handler that wraps parse error messages, removes details and silences warnings. More...

Namespaces
namespace	anonymous_namespace{item_strfunc.cc}

Macros
#define	get_esc_bit(mask, num)   (1 & (*((mask) + ((num) >> 3))) >> ((num)&7))
#define	UUID_TIME_OFFSET   ((ulonglong)141427 * 24 * 60 * 60 * 1000 * 1000 * 10)
	number of 100-nanosecond intervals between 1582-10-15 00:00:00.00 and 1970-01-01 00:00:00.00. More...
#define	UUID_VERSION   0x1000
#define	UUID_VARIANT   0x8000

Functions
static CHARSET_INFO *	get_checksum_charset (const char *csname)
bool	anonymous_namespace{item_strfunc.cc}::parse (THD *thd, Item *statement_expr, String *statement_string)
	Parses a string and fills the token buffer. More...
static const char *	trim_func_name (Item_func_trim::TRIM_MODE mode)
static int	soundex_toupper (int ch)
	If alpha, map input letter to soundex code. More...
static char	get_scode (int wc)
static bool	my_uni_isalpha (int wc)
String *	alloc_buffer (String *res, String *str, String *tmp_value, size_t length)
static void	tohex (char *to, uint from, uint len)
static void	set_clock_seq_str ()
String *	mysql_generate_uuid (String *str)
	Generate Universal Unique Identifier (UUID). More...
CHARSET_INFO *	mysqld_collation_get_by_name (const char *name, CHARSET_INFO *name_cs)
	Get collation by name, send error to client on failure. More...

Variables
uint *	my_aes_opmode_key_sizes
const int	max_kdf_option_size {256}
	Helper class to retrieve KDF options for aes_encrypt/aes_decrypt. More...
const int	max_kdf_iterations_size {65535}
const int	min_kdf_iterations_size {1000}
static const char *	soundex_map = "01230120022455012623010202"
const int	FORMAT_MAX_DECIMALS = 30
	Change a number to format '3,333,333,333.000'. More...
static struct rand_struct	uuid_rand
static uint	nanoseq
static ulonglong	uuid_time = 0
static char	clock_seq_and_node_str [] = "-0000-000000000000"

Detailed Description

This file defines all string Items (e.g.

CONCAT).

Macro Definition Documentation

get_esc_bit

#define get_esc_bit	(		mask,
			num
	)		(1 & (*((mask) + ((num) >> 3))) >> ((num)&7))

UUID_TIME_OFFSET

#define UUID_TIME_OFFSET   ((ulonglong)141427 * 24 * 60 * 60 * 1000 * 1000 * 10)

number of 100-nanosecond intervals between 1582-10-15 00:00:00.00 and 1970-01-01 00:00:00.00.

UUID_VARIANT

#define UUID_VARIANT   0x8000

UUID_VERSION

#define UUID_VERSION   0x1000

Function Documentation

alloc_buffer()

String * alloc_buffer ( String *  res, String *  str, String *  tmp_value, size_t  length  )

inline

get_checksum_charset()

static CHARSET_INFO * get_checksum_charset ( const char *  csname )

static

get_scode()

static char get_scode ( int  wc )

static

my_uni_isalpha()

static bool my_uni_isalpha ( int  wc )

static

mysql_generate_uuid()

String * mysql_generate_uuid

(

String *

str

)

Generate Universal Unique Identifier (UUID).

Parameters

str	Pointer to string which will hold the UUID.

Returns

str Pointer to string which contains the UUID.

mysqld_collation_get_by_name()

CHARSET_INFO * mysqld_collation_get_by_name	(	const char *	name,
		CHARSET_INFO *	name_cs
	)

Get collation by name, send error to client on failure.

Parameters

name	Collation name
name_cs	Character set of the name string

Return values

NULL	on error
Pointter	to CHARSET_INFO with the given name on success

set_clock_seq_str()

static void set_clock_seq_str ( )

static

soundex_toupper()

static int soundex_toupper ( int  ch )

static

If alpha, map input letter to soundex code.

If not alpha and remove_garbage is set then skip to next char else return 0

tohex()

static void tohex ( char *  to, uint  from, uint  len  )

static

trim_func_name()

static const char * trim_func_name ( Item_func_trim::TRIM_MODE  mode )

static

Variable Documentation

clock_seq_and_node_str

char clock_seq_and_node_str[] = "-0000-000000000000"

static

FORMAT_MAX_DECIMALS

const int FORMAT_MAX_DECIMALS = 30

Change a number to format '3,333,333,333.000'.

This should be 'internationalized' sometimes.

max_kdf_iterations_size

const int max_kdf_iterations_size {65535}

max_kdf_option_size

const int max_kdf_option_size {256}

Helper class to retrieve KDF options for aes_encrypt/aes_decrypt.

min_kdf_iterations_size

const int min_kdf_iterations_size {1000}

my_aes_opmode_key_sizes

uint* my_aes_opmode_key_sizes

extern

nanoseq

uint nanoseq

static

soundex_map

const char* soundex_map = "01230120022455012623010202"

static

uuid_rand

struct rand_struct uuid_rand

static

uuid_time

ulonglong uuid_time = 0

static