retronetworking
/
freeswitch
13
0
Fork 0
Code Pull Requests Releases Activity
freeswitch/src/include/switch_sqlite.h

1822 lines
81 KiB
C
Raw Blame History

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
* Michael Jerris <mike@jerris.com>
*
* switch_sqlite.h -- Sqlite Header
*
*/
/*! \file switch_sqlite.h
\brief Sqlite Header
*/
#ifndef SWITCH_SQLITE_H
#define SWITCH_SQLITE_H
SWITCH_BEGIN_EXTERN_C
#include <sqlite3.h>
/**
* @defgroup switch_sqlite_top Brought To You By SQLite
* @ingroup FREESWITCH
* @{
*/
/**
* @defgroup switch_sqlite Database Routines
* @ingroup switch_sqlite_top
* @{
*/
/**
* Each open sqlite database is represented by an instance of the
* following opaque structure.
*/
typedef sqlite3 switch_core_db_t;
typedef sqlite3_stmt switch_core_db_stmt_t;
/**
* Aggregate functions use the following routine to allocate
* a structure for storing their state. The first time this routine
* is called for a particular aggregate, a new structure of size nBytes
* is allocated, zeroed, and returned. On subsequent calls (for the
* same aggregate instance) the same buffer is returned. The implementation
* of the aggregate can use the returned buffer to accumulate data.
*
* The buffer allocated is freed automatically by SQLite.
*/
DoxyDefine(void *switch_core_db_aggregate_context(sqlite3_context*, int nBytes);)
#define switch_core_db_aggregate_context sqlite3_aggregate_context
/**
* /return the number of calls to xStep for a particular
* aggregate function instance. The current call to xStep counts so this
* routine always returns at least 1.
*/
DoxyDefine(int switch_core_db_aggregate_count(sqlite3_context*);)
#define switch_core_db_aggregate_count sqlite3_aggregate_count
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The fifth parameter to sqlite3_bind_blob(), sqlite3_bind_text(), and
* sqlite3_bind_text16() is a destructor used to dispose of the BLOB or
* text after SQLite has finished with it. If the fifth argument is the
* special value SQLITE_STATIC, then the library assumes that the information
* is in static, unmanaged space and does not need to be freed. If the
* fifth argument has the value SQLITE_TRANSIENT, then SQLite makes its
* own private copy of the data.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));)
#define switch_core_db_bind_blob sqlite3_bind_blob
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_double(sqlite3_stmt*, int, double);)
#define switch_core_db_bind_double sqlite3_bind_double
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_int(sqlite3_stmt*, int, int);)
#define switch_core_db_bind_int sqlite3_bind_int
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_int64(sqlite3_stmt*, int, sqlite_int64);)
#define switch_core_db_bind_int64 sqlite3_bind_int64
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_null(sqlite3_stmt*, int);)
#define switch_core_db_bind_null sqlite3_bind_null
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The fifth parameter to sqlite3_bind_blob(), sqlite3_bind_text(), and
* sqlite3_bind_text16() is a destructor used to dispose of the BLOB or
* text after SQLite has finished with it. If the fifth argument is the
* special value SQLITE_STATIC, then the library assumes that the information
* is in static, unmanaged space and does not need to be freed. If the
* fifth argument has the value SQLITE_TRANSIENT, then SQLite makes its
* own private copy of the data.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_text(sqlite3_stmt*, int, const char*, int n, void(*)(void*));)
#define switch_core_db_bind_text sqlite3_bind_text
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The fifth parameter to sqlite3_bind_blob(), sqlite3_bind_text(), and
* sqlite3_bind_text16() is a destructor used to dispose of the BLOB or
* text after SQLite has finished with it. If the fifth argument is the
* special value SQLITE_STATIC, then the library assumes that the information
* is in static, unmanaged space and does not need to be freed. If the
* fifth argument has the value SQLITE_TRANSIENT, then SQLite makes its
* own private copy of the data.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*));)
#define switch_core_db_bind_text16 sqlite3_bind_text16
/**
* In the SQL strings input to switch_core_db_prepare(),
* one or more literals can be replace by parameters "?" or ":AAA" or
* "$VVV" where AAA is an identifer and VVV is a variable name according
* to the syntax rules of the TCL programming language.
* The value of these parameters (also called "host parameter names") can
* be set using the routines listed below.
*
* In every case, the first parameter is a pointer to the sqlite3_stmt
* structure returned from switch_core_db_prepare(). The second parameter is the
* index of the parameter. The first parameter as an index of 1. For
* named parameters (":AAA" or "$VVV") you can use
* sqlite3_bind_parameter_index() to get the correct index value given
* the parameters name. If the same named parameter occurs more than
* once, it is assigned the same index each time.
*
* The sqlite3_bind_* routine must be called before switch_core_db_step() after
* an switch_core_db_prepare() or sqlite3_reset(). Unbound parameterss are
* interpreted as NULL.
*/
DoxyDefine(int switch_core_db_bind_value(sqlite3_stmt*, int, const sqlite3_value*);)
#define switch_core_db_bind_value sqlite3_bind_value
/**
* @return The number of parameters in a compiled SQL statement.
* @remark This routine was added to support DBD::SQLite.
*/
DoxyDefine(int switch_core_db_bind_parameter_count(sqlite3_stmt*);)
#define switch_core_db_bind_parameter_count sqlite3_bind_parameter_count
/**
* @return the index of a parameter with the given name. If no parameter with the
* given name is found, return 0.
* @remark The name must match exactly.
*/
DoxyDefine(int switch_core_db_bind_parameter_index(sqlite3_stmt*, const char *zName);)
#define switch_core_db_bind_parameter_index sqlite3_bind_parameter_index
/**
* @return the name of the i-th parameter.
* @remark Ordinary parameters "?" are
* nameless and a NULL is returned. For parameters of the form :AAA or
* $VVV the complete text of the parameter name is returned, including
* the initial ":" or "$". NULL is returned if the index is out of range.
*/
DoxyDefine(const char *switch_core_db_bind_parameter_name(sqlite3_stmt*, int);)
#define switch_core_db_bind_parameter_name sqlite3_bind_parameter_name
/**
* This routine identifies a callback function that is invoked
* whenever an attempt is made to open a database table that is
* currently locked by another process or thread. If the busy callback
* is NULL, then sqlite3_exec() returns SQLITE_BUSY immediately if
* it finds a locked table. If the busy callback is not NULL, then
* sqlite3_exec() invokes the callback with three arguments. The
* second argument is the name of the locked table and the third
* argument is the number of times the table has been busy. If the
* busy callback returns 0, then sqlite3_exec() immediately returns
* SQLITE_BUSY. If the callback returns non-zero, then sqlite3_exec()
* tries to open the table again and the cycle repeats.
*
* The default busy callback is NULL.
*
* Sqlite is re-entrant, so the busy handler may start a new query.
* (It is not clear why anyone would every want to do this, but it
* is allowed, in theory.) But the busy handler may not close the
* database. Closing the database from a busy handler will delete
* data structures out from under the executing query and will
* probably result in a coredump.
*/
DoxyDefine(int switch_core_db_busy_handler(switch_core_db*, int(*)(void*,int), void*);)
#define switch_core_db_busy_handler sqlite3_busy_handler
/**
* This routine sets a busy handler that sleeps for a while when a
* table is locked. The handler will sleep multiple times until
* at least "ms" milleseconds of sleeping have been done. After
* "ms" milleseconds of sleeping, the handler returns 0 which
* causes sqlite3_exec() to return SQLITE_BUSY.
*
* Calling this routine with an argument less than or equal to zero
* turns off all busy handlers.
*/
DoxyDefine(int switch_core_db_busy_timeout(switch_core_db*, int ms);)
#define switch_core_db_busy_timeout sqlite3_busy_timeout
/**
* This function returns the number of database rows that were changed
* (or inserted or deleted) by the most recent called sqlite3_exec().
*
* All changes are counted, even if they were later undone by a
* ROLLBACK or ABORT. Except, changes associated with creating and
* dropping tables are not counted.
*
* If a callback invokes sqlite3_exec() recursively, then the changes
* in the inner, recursive call are counted together with the changes
* in the outer call.
*
* SQLite implements the command "DELETE FROM table" without a WHERE clause
* by dropping and recreating the table. (This is much faster than going
* through and deleting individual elements form the table.) Because of
* this optimization, the change count for "DELETE FROM table" will be
* zero regardless of the number of elements that were originally in the
* table. To get an accurate count of the number of rows deleted, use
* "DELETE FROM table WHERE 1" instead.
*/
DoxyDefine(int switch_core_db_changes(switch_core_db*);)
#define switch_core_db_changes sqlite3_changes
/**
* A function to close the database.
*
* Call this function with a pointer to a structure that was previously
* returned from sqlite3_open() and the corresponding database will by closed.
*
* All SQL statements prepared using switch_core_db_prepare()
* must be deallocated using sqlite3_finalize() before
* this routine is called. Otherwise, SQLITE_BUSY is returned and the
* database connection remains open.
*/
DoxyDefine(int switch_core_db_close(switch_core_db *);)
#define switch_core_db_close sqlite3_close
/**
* To avoid having to register all collation sequences before a database
* can be used, a single callback function may be registered with the
* database handle to be called whenever an undefined collation sequence is
* required.
*
* The function is passed the names of undefined collation sequences as
* strings encoded in UTF-8. A call to the function replaces any existing callback.
*
* When the user-function is invoked, the first argument passed is a copy
* of the second argument to sqlite3_collation_needed(). The second argument is the database
* handle. The third argument is one of SQLITE_UTF8, SQLITE_UTF16BE or
* SQLITE_UTF16LE, indicating the most desirable form of the collation
* sequence function required. The fourth parameter is the name of the
* required collation sequence.
*
* The collation sequence is returned to SQLite by a collation-needed
* callback using the sqlite3_create_collation() API, described above.
*/
DoxyDefine(int switch_core_db_collation_needed(
switch_core_db*,
void*,
void(*)(void*,switch_core_db*,int eTextRep,const char*)
);)
#define switch_core_db_collation_needed sqlite3_collation_needed
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query.
*
* @param stmt a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare())
*
* @param iCol the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* @remark If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* @return the value of a BLOB.
*/
DoxyDefine(const void *switch_core_db_column_blob(sqlite3_stmt *stmt, int iCol);)
#define switch_core_db_column_blob sqlite3_column_blob
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return the number of bytes in a BLOB value or the number of bytes in a
* TEXT value represented as UTF-8. The "\000" terminator is included in the
* byte count for TEXT values.
*/
DoxyDefine(int switch_core_db_column_bytes(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_bytes sqlite3_column_bytes
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return the number of bytes in a BLOB value or the number of bytes in a
* TEXT value represented as UTF-16. The "\u0000" terminator is included in
* the byte count for TEXT values.
*/
DoxyDefine(int switch_core_db_column_bytes16(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_bytes16 sqlite3_column_bytes16
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return a FLOAT value.
*/
DoxyDefine(double switch_core_db_column_double(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_double sqlite3_column_double
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return an INTEGER value in the host computer's native integer representation.
* This might be either a 32- or 64-bit integer depending on the host.
*/
DoxyDefine(int switch_core_db_column_int(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_int sqlite3_column_int
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return an INTEGER value as a 64-bit signed integer.
*/
DoxyDefine(sqlite_int64 switch_core_db_column_int64(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_int64 sqlite3_column_int64
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return the value as UTF-8 text.
*/
DoxyDefine(const unsigned char *switch_core_db_column_text(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_text sqlite3_column_text
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* Return the value as UTF-16 text.
*/
DoxyDefine(const void *switch_core_db_column_text16(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_text16 sqlite3_column_text16
/**
* The next group of routines returns information about the information
* in a single column of the current result row of a query. In every
* case the first parameter is a pointer to the SQL statement that is being
* executed (the sqlite_stmt* that was returned from switch_core_db_prepare()) and
* the second argument is the index of the column for which information
* should be returned. iCol is zero-indexed. The left-most column as an
* index of 0.
*
* If the SQL statement is not currently point to a valid row, or if the
* the colulmn index is out of range, the result is undefined.
*
* These routines attempt to convert the value where appropriate. For
* example, if the internal representation is FLOAT and a text result
* is requested, sprintf() is used internally to do the conversion
* automatically. The following table details the conversions that
* are applied:
*
* Internal Type Requested Type Conversion
* ------------- -------------- --------------------------
* NULL INTEGER Result is 0
* NULL FLOAT Result is 0.0
* NULL TEXT Result is an empty string
* NULL BLOB Result is a zero-length BLOB
* INTEGER FLOAT Convert from integer to float
* INTEGER TEXT ASCII rendering of the integer
* INTEGER BLOB Same as for INTEGER->TEXT
* FLOAT INTEGER Convert from float to integer
* FLOAT TEXT ASCII rendering of the float
* FLOAT BLOB Same as FLOAT->TEXT
* TEXT INTEGER Use atoi()
* TEXT FLOAT Use atof()
* TEXT BLOB No change
* BLOB INTEGER Convert to TEXT then use atoi()
* BLOB FLOAT Convert to TEXT then use atof()
* BLOB TEXT Add a "\000" terminator if needed
*
* ReturnS the datatype of the result. This is one of
* SQLITE_INTEGER, SQLITE_FLOAT, SQLITE_TEXT, SQLITE_BLOB, or SQLITE_NULL.
*/
DoxyDefine(int switch_core_db_column_type(sqlite3_stmt*, int iCol);)
#define switch_core_db_column_type sqlite3_column_type
/**
* The first parameter is a compiled SQL statement. This function returns
* the column heading for the Nth column of that statement, where N is the
* second function parameter. The string returned is UTF-8.
*/
DoxyDefine(const char *switch_core_db_column_name(sqlite3_stmt*,int);)
#define switch_core_db_column_name sqlite3_column_name
/**
* Return the number of columns in the result set returned by the compiled
* SQL statement. This routine returns 0 if pStmt is an SQL statement
* that does not return data (for example an UPDATE).
*/
DoxyDefine(int switch_core_db_column_count(sqlite3_stmt *pStmt);)
#define switch_core_db_column_count sqlite3_column_count
/**
* The first parameter is a compiled SQL statement. If this statement
* is a SELECT statement, the Nth column of the returned result set
* of the SELECT is a table column then the declared type of the table
* column is returned. If the Nth column of the result set is not at table
* column, then a NULL pointer is returned. The returned string is always
* UTF-8 encoded. For example, in the database schema:
*
* CREATE TABLE t1(c1 VARIANT);
*
* And the following statement compiled:
*
* SELECT c1 + 1, 0 FROM t1;
*
* Then this routine would return the string "VARIANT" for the second
* result column (i==1), and a NULL pointer for the first result column
* (i==0).
*/
DoxyDefine(const char *switch_core_db_column_decltype(sqlite3_stmt *, int i);)
#define switch_core_db_column_decltype sqlite3_column_decltype
/**
* The first parameter is a compiled SQL statement. If this statement
* is a SELECT statement, the Nth column of the returned result set
* of the SELECT is a table column then the declared type of the table
* column is returned. If the Nth column of the result set is not at table
* column, then a NULL pointer is returned. The returned string is always
* UTF-16 encoded. For example, in the database schema:
*
* CREATE TABLE t1(c1 INTEGER);
*
* And the following statement compiled:
*
* SELECT c1 + 1, 0 FROM t1;
*
* Then this routine would return the string "INTEGER" for the second
* result column (i==1), and a NULL pointer for the first result column
* (i==0).
*/
DoxyDefine(const void *switch_core_db_column_decltype16(sqlite3_stmt*,int);)
#define switch_core_db_column_decltype16 sqlite3_column_decltype16
/**
* Register a callback function to be invoked whenever a new transaction
* is committed. The pArg argument is passed through to the callback.
* callback. If the callback function returns non-zero, then the commit
* is converted into a rollback.
*
* If another function was previously registered, its pArg value is returned.
* Otherwise NULL is returned.
*
* Registering a NULL function disables the callback.
*
****** THIS IS AN EXPERIMENTAL API AND IS SUBJECT TO CHANGE ******
*/
DoxyDefine(void *switch_core_db_commit_hook(switch_core_db*, int(*)(void*), void*);)
#define switch_core_db_commit_hook sqlite3_commit_hook
/**
* This functions return true if the given input string comprises
* one or more complete SQL statements. The parameter must be a nul-terminated
* UTF-8 string.
*
* The algorithm is simple. If the last token other than spaces
* and comments is a semicolon, then return true. otherwise return
* false.
*/
DoxyDefine(int switch_core_db_complete(const char *sql);)
#define switch_core_db_complete sqlite3_complete
/**
* This function is used to add new collation sequences to the
* sqlite3 handle specified as the first argument.
*
* The name of the new collation sequence is specified as a UTF-8 string
* and the name is passed as the second function argument.
*
* The third argument must be one of the constants SQLITE_UTF8,
* SQLITE_UTF16LE or SQLITE_UTF16BE, indicating that the user-supplied
* routine expects to be passed pointers to strings encoded using UTF-8,
* UTF-16 little-endian or UTF-16 big-endian respectively.
*
* A pointer to the user supplied routine must be passed as the fifth
* argument. If it is NULL, this is the same as deleting the collation
* sequence (so that SQLite cannot call it anymore). Each time the user
* supplied function is invoked, it is passed a copy of the void* passed as
* the fourth argument.
*
* The remaining arguments to the user-supplied routine are two strings,
* each represented by a [length, data] pair and encoded in the encoding
* that was passed as the third argument when the collation sequence was
* registered. The user routine should return negative, zero or positive if
* the first string is less than, equal to, or greater than the second
* string. i.e. (STRING1 - STRING2).
*/
DoxyDefine(int switch_core_db_create_collation(
switch_core_db*,
const char *zName,
int eTextRep,
void*,
int(*xCompare)(void*,int,const void*,int,const void*)
);)
#define switch_core_db_create_collation sqlite3_create_collation
/**
* The following function is used to add user functions or aggregates
* implemented in C to the SQL langauge interpreted by SQLite. The
* name of the (scalar) function or aggregate, is encoded in UTF-8.
*
* The first argument is the database handle that the new function or
* aggregate is to be added to. If a single program uses more than one
* database handle internally, then user functions or aggregates must
* be added individually to each database handle with which they will be
* used.
*
* The third parameter is the number of arguments that the function or
* aggregate takes. If this parameter is negative, then the function or
* aggregate may take any number of arguments.
*
* The fourth parameter is one of SQLITE_UTF* values defined below,
* indicating the encoding that the function is most likely to handle
* values in. This does not change the behaviour of the programming
* interface. However, if two versions of the same function are registered
* with different encoding values, SQLite invokes the version likely to
* minimize conversions between text encodings.
*
* The seventh, eighth and ninth parameters, xFunc, xStep and xFinal, are
* pointers to user implemented C functions that implement the user
* function or aggregate. A scalar function requires an implementation of
* the xFunc callback only, NULL pointers should be passed as the xStep
* and xFinal parameters. An aggregate function requires an implementation
* of xStep and xFinal, but NULL should be passed for xFunc. To delete an
* existing user function or aggregate, pass NULL for all three function
* callback. Specifying an inconstent set of callback values, such as an
* xFunc and an xFinal, or an xStep but no xFinal, SQLITE_ERROR is
* returned.
*/
DoxyDefine(int switch_core_db_create_function(
switch_core_db *,
const char *zFunctionName,
int nArg,
int eTextRep,
void*,
void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
void (*xStep)(sqlite3_context*,int,sqlite3_value**),
void (*xFinal)(sqlite3_context*)
);)
#define switch_core_db_create_function sqlite3_create_function
/**
* Return the number of values in the current row of the result set.
*
* After a call to switch_core_db_step() that returns SQLITE_ROW, this routine
* will return the same value as the switch_core_db_column_count() function.
* After switch_core_db_step() has returned an SQLITE_DONE, SQLITE_BUSY or
* error code, or before switch_core_db_step() has been called on a
* compiled SQL statement, this routine returns zero.
*/
DoxyDefine(int switch_core_db_data_count(sqlite3_stmt *pStmt);)
#define switch_core_db_data_count sqlite3_data_count
/**
* Return the sqlite3* database handle to which the prepared statement given
* in the argument belongs. This is the same database handle that was
* the first argument to the switch_core_db_prepare() that was used to create
* the statement in the first place.
*/
DoxyDefine(switch_core_db *switch_core_db_db_handle(sqlite3_stmt*);)
#define switch_core_db_db_handle sqlite3_db_handle
/**
** Return the error code for the most recent switch_core_db_* API call associated
** with switch_core_db handle 'db'. SQLITE_OK is returned if the most recent
** API call was successful.
**
** Calls to many switch_core_db_* functions set the error code and string returned
** by switch_core_db_errcode(), and switch_core_db_errmsg()
** (overwriting the previous values). Note that calls to switch_core_db_errcode(),
** and switch_core_db_errmsg() themselves do not affect the
** results of future invocations.
**
** Assuming no other intervening switch_core_db_* API calls are made, the error
** code returned by this function is associated with the same error as
** the strings returned by sqlite3_errmsg() and sqlite3_errmsg16().
*/
DoxyDefine(int switch_core_db_errcode(switch_core_db *db);)
#define switch_core_db_errcode sqlite3_errcode
/**
* Return a pointer to a UTF-8 encoded string describing in english the
* error condition for the most recent sqlite3_* API call. The returned
* string is always terminated by an 0x00 byte.
*
* The string "not an error" is returned when the most recent API call was
* successful.
*/
DoxyDefine(const char *switch_core_db_errmsg(switch_core_db*);)
#define switch_core_db_errmsg sqlite3_errmsg
/**
* A function to executes one or more statements of SQL.
*
* If one or more of the SQL statements are queries, then
* the callback function specified by the 3rd parameter is
* invoked once for each row of the query result. This callback
* should normally return 0. If the callback returns a non-zero
* value then the query is aborted, all subsequent SQL statements
* are skipped and the switch_core_db_exec() function returns the SQLITE_ABORT.
*
* The 4th parameter is an arbitrary pointer that is passed
* to the callback function as its first parameter.
*
* The 2nd parameter to the callback function is the number of
* columns in the query result. The 3rd parameter to the callback
* is an array of strings holding the values for each column.
* The 4th parameter to the callback is an array of strings holding
* the names of each column.
*
* The callback function may be NULL, even for queries. A NULL
* callback is not an error. It just means that no callback
* will be invoked.
*
* If an error occurs while parsing or evaluating the SQL (but
* not while executing the callback) then an appropriate error
* message is written into memory obtained from malloc() and
* *errmsg is made to point to that message. The calling function
* is responsible for freeing the memory that holds the error
* message. Use switch_core_db_free() for this. If errmsg==NULL,
* then no error message is ever written.
*
* The return value is is SQLITE_OK if there are no errors and
* some other return code if there is an error. The particular
* return value depends on the type of error.
*
* If the query could not be executed because a database file is
* locked or busy, then this function returns SQLITE_BUSY. (This
* behavior can be modified somewhat using the sswitch_core_db_busy_handler()
* and switch_core_db_busy_timeout() functions below.)
*/
DoxyDefine(int switch_core_db_exec(
switch_core_db*, /* An open database */
const char *sql, /* SQL to be executed */
sqlite3_callback, /* Callback function */
void *, /* 1st argument to callback function */
char **errmsg /* Error msg written here */
);)
#define switch_core_db_exec sqlite3_exec
/**
* Return TRUE (non-zero) if the statement supplied as an argument needs
* to be recompiled. A statement needs to be recompiled whenever the
* execution environment changes in a way that would alter the program
* that switch_core_db_prepare() generates. For example, if new functions or
* collating sequences are registered or if an authorizer function is
* added or changed.
*
*/
DoxyDefine(int switch_core_db_expired(sqlite3_stmt*);)
#define switch_core_db_expired sqlite3_expired
/**
* This function is called to delete a compiled
* SQL statement obtained by a previous call to switch_core_db_prepare().
* If the statement was executed successfully, or
* not executed at all, then SQLITE_OK is returned. If execution of the
* statement failed then an error code is returned.
*
* This routine can be called at any point during the execution of the
* virtual machine. If the virtual machine has not completed execution
* when this routine is called, that is like encountering an error or
* an interrupt. (See switch_core_db_interrupt().) Incomplete updates may be
* rolled back and transactions cancelled, depending on the circumstances,
* and the result code returned will be SQLITE_ABORT.
*/
DoxyDefine(int switch_core_db_finalize(sqlite3_stmt *pStmt);)
#define switch_core_db_finalize sqlite3_finalize
/**
* Call this routine to free the memory that sqlite3_get_table() allocated.
*/
DoxyDefine(void switch_core_db_free_table(char **result);)
#define switch_core_db_free_table sqlite3_free_table
/**
* Test to see whether or not the database connection is in autocommit
* mode. Return TRUE if it is and FALSE if not. Autocommit mode is on
* by default. Autocommit is disabled by a BEGIN statement and reenabled
* by the next COMMIT or ROLLBACK.
*/
DoxyDefine(int switch_core_db_get_autocommit(switch_core_db*);)
#define switch_core_db_get_autocommit sqlite3_get_autocommit
/**
* The following function may be used by scalar user functions to
* associate meta-data with argument values. If the same value is passed to
* multiple invocations of the user-function during query execution, under
* some circumstances the associated meta-data may be preserved. This may
* be used, for example, to add a regular-expression matching scalar
* function. The compiled version of the regular expression is stored as
* meta-data associated with the SQL value passed as the regular expression
* pattern.
*
* returns a pointer to the meta data
* associated with the Nth argument value to the current user function
* call, where N is the second parameter. If no meta-data has been set for
* that value, then a NULL pointer is returned.
*
* In practice, meta-data is preserved between function calls for
* expressions that are constant at compile time. This includes literal
* values and SQL variables.
*/
DoxyDefine(void *switch_core_db_get_auxdata(sqlite3_context*, int);)
#define switch_core_db_get_auxdata sqlite3_get_auxdata
/**
* The following function may be used by scalar user functions to
* associate meta-data with argument values. If the same value is passed to
* multiple invocations of the user-function during query execution, under
* some circumstances the associated meta-data may be preserved. This may
* be used, for example, to add a regular-expression matching scalar
* function. The compiled version of the regular expression is stored as
* meta-data associated with the SQL value passed as the regular expression
* pattern.
*
* This function is used to associate meta data with a user
* function argument. The third parameter is a pointer to the meta data
* to be associated with the Nth user function argument value. The fourth
* parameter specifies a 'delete function' that will be called on the meta
* data pointer to release it when it is no longer required. If the delete
* function pointer is NULL, it is not invoked.
*
* In practice, meta-data is preserved between function calls for
* expressions that are constant at compile time. This includes literal
* values and SQL variables.
*/
DoxyDefine(void switch_core_db_set_auxdata(sqlite3_context*, int, void*, void (*)(void*));)
#define switch_core_db_set_auxdata sqlite3_set_auxdata
/**
* This next routine is really just a wrapper around sqlite3_exec().
* Instead of invoking a user-supplied callback for each row of the
* result, this routine remembers each row of the result in memory
* obtained from malloc(), then returns all of the result after the
* query has finished.
*
* As an example, suppose the query result where this table:
*
* Name | Age
* -----------------------
* Alice | 43
* Bob | 28
* Cindy | 21
*
* If the 3rd argument were &azResult then after the function returns
* azResult will contain the following data:
*
* azResult[0] = "Name";
* azResult[1] = "Age";
* azResult[2] = "Alice";
* azResult[3] = "43";
* azResult[4] = "Bob";
* azResult[5] = "28";
* azResult[6] = "Cindy";
* azResult[7] = "21";
*
* Notice that there is an extra row of data containing the column
* headers. But the *nrow return value is still 3. *ncolumn is
* set to 2. In general, the number of values inserted into azResult
* will be ((*nrow) + 1)*(*ncolumn).
*
* After the calling function has finished using the result, it should
* pass the result data pointer to switch_core_db_free_table() in order to
* release the memory that was malloc-ed. Because of the way the
* malloc() happens, the calling function must not try to call
* free() directly. Only switch_core_db_free_table() is able to release
* the memory properly and safely.
*
* The return value of this routine is the same as from switch_core_db_exec().
*/
DoxyDefine(int switch_core_db_get_table(
switch_core_db*, /* An open database */
const char *sql, /* SQL to be executed */
char ***resultp, /* Result written to a char *[] that this points to */
int *nrow, /* Number of result rows written here */
int *ncolumn, /* Number of result columns written here */
char **errmsg /* Error msg written here */
);)
#define switch_core_db_get_table sqlite3_get_table
/**
* This function is called to recover from a malloc() failure that occured
* within the SQLite library. Normally, after a single malloc() fails the
* library refuses to function (all major calls return SQLITE_NOMEM).
* This function restores the library state so that it can be used again.
*
* All existing statements (sqlite3_stmt pointers) must be finalized or
* reset before this call is made. Otherwise, SQLITE_BUSY is returned.
* If any in-memory databases are in use, either as a main or TEMP
* database, SQLITE_ERROR is returned. In either of these cases, the
* library is not reset and remains unusable.
*
* This function is *not* threadsafe. Calling this from within a threaded
* application when threads other than the caller have used SQLite is
* dangerous and will almost certainly result in malfunctions.
*
* This functionality can be omitted from a build by defining the
* SQLITE_OMIT_GLOBALRECOVER at compile time.
*/
DoxyDefine(int switch_core_db_global_recover();)
#define switch_core_db_global_recover sqlite3_global_recover
/** This function causes any pending database operation to abort and
* return at its earliest opportunity. This routine is typically
* called in response to a user action such as pressing "Cancel"
* or Ctrl-C where the user wants a long query operation to halt
* immediately.
*/
DoxyDefine(void switch_core_db_interrupt(switch_core_db*);)
#define switch_core_db_interrupt sqlite3_interrupt
/**
* Each entry in an SQLite table has a unique integer key. (The key is
* the value of the INTEGER PRIMARY KEY column if there is such a column,
* otherwise the key is generated at random. The unique key is always
* available as the ROWID, OID, or _ROWID_ column.) The following routine
* returns the integer key of the most recent insert in the database.
*
* This function is similar to the mysql_insert_id() function from MySQL.
*/
DoxyDefine(sqlite_int64 switch_core_db_last_insert_rowid(switch_core_db*);)
#define switch_core_db_last_insert_rowid sqlite3_last_insert_rowid
/**
* Open the sqlite database file "filename". The "filename" is UTF-8
* encoded. An sqlite3* handle is returned in *ppDb, even
* if an error occurs. If the database is opened (or created) successfully,
* then SQLITE_OK is returned. Otherwise an error code is returned. The
* switch_core_db_errmsg() routine can be used to obtain
* an English language description of the error.
*
* If the database file does not exist, then a new database is created.
* The encoding for the database is UTF-8.
*
* Whether or not an error occurs when it is opened, resources associated
* with the switch_core_db* handle should be released by passing it to
* switch_core_db_close() when it is no longer required.
*/
DoxyDefine(int switch_core_db_open(
const char *filename, /* Database filename (UTF-8) */
switch_core_db **ppDb /* OUT: SQLite db handle */
);)
#define switch_core_db_open sqlite3_open
/**
* To execute an SQL query, it must first be compiled into a byte-code
* program using the following routine.
*
* The first parameter "db" is an SQLite database handle. The second
* parameter "zSql" is the statement to be compiled, encoded as
* UTF-8. If the next parameter, "nBytes", is less
* than zero, then zSql is read up to the first nul terminator. If
* "nBytes" is not less than zero, then it is the length of the string zSql
* in bytes (not characters).
*
* *pzTail is made to point to the first byte past the end of the first
* SQL statement in zSql. This routine only compiles the first statement
* in zSql, so *pzTail is left pointing to what remains uncompiled.
*
* *ppStmt is left pointing to a compiled SQL statement that can be
* executed using switch_core_db_step(). Or if there is an error, *ppStmt may be
* set to NULL. If the input text contained no SQL (if the input is and
* empty string or a comment) then *ppStmt is set to NULL.
*
* On success, SQLITE_OK is returned. Otherwise an error code is returned.
*/
DoxyDefine(int switch_core_db_prepare(
sqlite3 *db, /* Database handle */
const char *zSql, /* SQL statement, UTF-8 encoded */
int nBytes, /* Length of zSql in bytes. */
sqlite3_stmt **ppStmt, /* OUT: Statement handle */
const char **pzTail /* OUT: Pointer to unused portion of zSql */
);)
#define switch_core_db_prepare sqlite3_prepare
/**
* Register a function for tracing SQL command evaluation. The function registered by
* switch_core_db_profile() runs at the end of each SQL statement and includes
* information on how long that statement ran.
*
* The sqlite3_profile() API is currently considered experimental and
* is subject to change.
*/
DoxyDefine(void *switch_core_db_profile(switch_core_db*,
void(*xProfile)(void*,const char*,sqlite_uint64), void*);)
#define switch_core_db_profile sqlite3_profile
/**
* This routine configures a callback function - the progress callback - that
* is invoked periodically during long running calls to switch_core_db_exec(),
* switch_core_db_step() and switch_core_db_get_table(). An example use for this API is to
* keep a GUI updated during a large query.
*
* The progress callback is invoked once for every N virtual machine opcodes,
* where N is the second argument to this function. The progress callback
* itself is identified by the third argument to this function. The fourth
* argument to this function is a void pointer passed to the progress callback
* function each time it is invoked.
*
* If a call to switch_core_db_exec(), switch_core_db_step() or switch_core_db_get_table() results
* in less than N opcodes being executed, then the progress callback is not
* invoked.
*
* To remove the progress callback altogether, pass NULL as the third
* argument to this function.
*
* If the progress callback returns a result other than 0, then the current
* query is immediately terminated and any database changes rolled back. If the
* query was part of a larger transaction, then the transaction is not rolled
* back and remains active. The switch_core_db_exec() call returns SQLITE_ABORT.
*
****** THIS IS AN EXPERIMENTAL API AND IS SUBJECT TO CHANGE ******
*/
DoxyDefine(void switch_core_db_progress_handler(switch_core_db*, int, int(*)(void*), void*);)
#define switch_core_db_progress_handler sqlite3_progress_handler
/**
* The switch_core_db_reset() function is called to reset a compiled SQL
* statement obtained by a previous call to switch_core_db_prepare()
* back to it's initial state, ready to be re-executed.
* Any SQL statement variables that had values bound to them using
* the switch_core_db_bind_*() API retain their values.
*/
DoxyDefine(int switch_core_db_reset(sqlite3_stmt *pStmt);)
#define switch_core_db_reset sqlite3_reset
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_blob(sqlite3_context*, const void*, int, void(*)(void*));)
#define switch_core_db_result_blob sqlite3_result_blob
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_double(sqlite3_context*, double);)
#define switch_core_db_result_double sqlite3_result_double
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_error(sqlite3_context*, const char*, int);)
#define switch_core_db_result_error sqlite3_result_error
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_error16(sqlite3_context*, const void*, int);)
#define switch_core_db_result_error16 sqlite3_result_error16
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_int(sqlite3_context*, int);)
#define switch_core_db_result_int sqlite3_result_int
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_int64(sqlite3_context*, sqlite_int64);)
#define switch_core_db_result_int64 sqlite3_result_int64
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_null(sqlite3_context*);)
#define switch_core_db_result_null sqlite3_result_null
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_text(sqlite3_context*, const char*, int, void(*)(void*));)
#define switch_core_db_result_text sqlite3_result_text
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_text16(sqlite3_context*, const void*, int, void(*)(void*));)
#define switch_core_db_result_text16 sqlite3_result_text16
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_text16le(sqlite3_context*, const void*, int,void(*)(void*));)
#define switch_core_db_result_text16le sqlite3_result_text16le
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_text16be(sqlite3_context*, const void*, int,void(*)(void*));)
#define switch_core_db_result_text16be sqlite3_result_text16be
/**
* User-defined functions invoke this routine in order to
* set their return value.
*/
DoxyDefine(void switch_core_db_result_value(sqlite3_context*, sqlite3_value*);)
#define switch_core_db_result_value sqlite3_result_value
/**
* This routine registers a callback with the SQLite library. The
* callback is invoked (at compile-time, not at run-time) for each
* attempt to access a column of a table in the database. The callback
* returns SQLITE_OK if access is allowed, SQLITE_DENY if the entire
* SQL statement should be aborted with an error and SQLITE_IGNORE
* if the column should be treated as a NULL value.
*/
DoxyDefine(int switch_core_db_set_authorizer(
switch_core_db*,
int (*xAuth)(void*,int,const char*,const char*,const char*,const char*),
void *pUserData
);)
#define switch_core_db_set_authorizer sqlite3_set_authorizer
/**
* After an SQL query has been compiled with a call to either
* switch_core_db_prepare(), then this function must be
* called one or more times to execute the statement.
*
* The return value will be either SQLITE_BUSY, SQLITE_DONE,
* SQLITE_ROW, SQLITE_ERROR, or SQLITE_MISUSE.
*
* SQLITE_BUSY means that the database engine attempted to open
* a locked database and there is no busy callback registered.
* Call switch_core_db_step() again to retry the open.
*
* SQLITE_DONE means that the statement has finished executing
* successfully. switch_core_db_step() should not be called again on this virtual
* machine.
*
* If the SQL statement being executed returns any data, then
* SQLITE_ROW is returned each time a new row of data is ready
* for processing by the caller. The values may be accessed using
* the switch_core_db_column_*() functions described below. switch_core_db_step()
* is called again to retrieve the next row of data.
*
* SQLITE_ERROR means that a run-time error (such as a constraint
* violation) has occurred. switch_core_db_step() should not be called again on
* the VM. More information may be found by calling switch_core_db_errmsg().
*
* SQLITE_MISUSE means that the this routine was called inappropriately.
* Perhaps it was called on a virtual machine that had already been
* finalized or on one that had previously returned SQLITE_ERROR or
* SQLITE_DONE. Or it could be the case the the same database connection
* is being used simulataneously by two or more threads.
*/
DoxyDefine(int switch_core_db_step(sqlite3_stmt*);)
#define switch_core_db_step sqlite3_step
/**
* If the following global variable is made to point to a
* string which is the name of a directory, then all temporary files
* created by SQLite will be placed in that directory. If this variable
* is NULL pointer, then SQLite does a search for an appropriate temporary
* file directory.
*
* Once switch_core_db_open() has been called, changing this variable will invalidate
* the current temporary database, if any.
*/
DoxyDefine(extern char *switch_core_db_temp_directory;)
#define switch_core_db_temp_directory sqlite3_temp_directory
/**
* This function returns the number of database rows that have been
* modified by INSERT, UPDATE or DELETE statements since the database handle
* was opened. This includes UPDATE, INSERT and DELETE statements executed
* as part of trigger programs. All changes are counted as soon as the
* statement that makes them is completed (when the statement handle is
* passed to switch_core_db_reset() or switch_core_db_finalise()).
*
* SQLite implements the command "DELETE FROM table" without a WHERE clause
* by dropping and recreating the table. (This is much faster than going
* through and deleting individual elements form the table.) Because of
* this optimization, the change count for "DELETE FROM table" will be
* zero regardless of the number of elements that were originally in the
* table. To get an accurate count of the number of rows deleted, use
* "DELETE FROM table WHERE 1" instead.
*/
DoxyDefine(int switch_core_db_total_changes(switch_core_db*);)
#define switch_core_db_total_changes sqlite3_total_changes
/**
* Register a function for tracing SQL command evaluation. The function
* registered is invoked at the first switch_core_db_step()
* for the evaluation of an SQL statement.
*/
DoxyDefine(void *switch_core_db_trace(switch_core_db*, void(*xTrace)(void*,const char*), void*);)
#define switch_core_db_trace sqlite3_trace
/**
* Move all bindings from the first prepared statement over to the second.
* This routine is useful, for example, if the first prepared statement
* fails with an SQLITE_SCHEMA error. The same SQL can be prepared into
* the second prepared statement then all of the bindings transfered over
* to the second statement before the first statement is finalized.
*/
DoxyDefine(int switch_core_db_transfer_bindings(sqlite3_stmt*, sqlite3_stmt*);)
#define switch_core_db_transfer_bindings sqlite3_transfer_bindings
/**
* The pUserData parameter to the switch_core_db_create_function()
* routine used to register user functions is available to
* the implementation of the function using this call.
*/
DoxyDefine(void *switch_core_db_user_data(sqlite3_context*);)
#define switch_core_db_user_data sqlite3_user_data
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(const void *switch_core_db_value_blob(sqlite3_value*);)
#define switch_core_db_value_blob sqlite3_value_blob
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(int switch_core_db_value_bytes(sqlite3_value*);)
#define switch_core_db_value_bytes sqlite3_value_bytes
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(int switch_core_db_value_bytes16(sqlite3_value*);)
#define switch_core_db_value_bytes16 sqlite3_value_bytes16
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(double switch_core_db_value_double(sqlite3_value*);)
#define switch_core_db_value_double sqlite3_value_double
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(int switch_core_db_value_int(sqlite3_value*);)
#define switch_core_db_value_int sqlite3_value_int
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(sqlite_int64 switch_core_db_value_int64(sqlite3_value*);)
#define switch_core_db_value_int64 sqlite3_value_int64
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(const unsigned char *switch_core_db_value_text(sqlite3_value*);)
#define switch_core_db_value_text sqlite3_value_text
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(const void *switch_core_db_value_text16(sqlite3_value*);)
#define switch_core_db_value_text16 sqlite3_value_text16
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(const void *switch_core_db_value_text16be(sqlite3_value*);)
#define switch_core_db_value_text16be sqlite3_value_text16be
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(const void *switch_core_db_value_text16le(sqlite3_value*);)
#define switch_core_db_value_text16le sqlite3_value_text16le
/**
* returns information about parameters to
* a user-defined function. Function implementations use this routines
* to access their parameters. This routine is the same as the
* switch_core_db_column_* routines except that this routine takes a single
* sqlite3_value* pointer instead of an sqlite3_stmt* and an integer
* column number.
*/
DoxyDefine(int switch_core_db_value_type(sqlite3_value*);)
#define switch_core_db_value_type sqlite3_value_type
/**
* This routine is a variant of the "sprintf()" from the
* standard C library. The resulting string is written into memory
* obtained from malloc() so that there is never a possiblity of buffer
* overflow. This routine also implement some additional formatting
* options that are useful for constructing SQL statements.
*
* The strings returned by this routine should be freed by calling
* switch_core_db_free().
*
* All of the usual printf formatting options apply. In addition, there
* is a "%q" option. %q works like %s in that it substitutes a null-terminated
* string from the argument list. But %q also doubles every '\'' character.
* %q is designed for use inside a string literal. By doubling each '\''
* character it escapes that character and allows it to be inserted into
* the string.
*
* For example, so some string variable contains text as follows:
*
* char *zText = "It's a happy day!";
*
* We can use this text in an SQL statement as follows:
*
* char *z = switch_core_db_mprintf("INSERT INTO TABLES('%q')", zText);
* switch_core_db_exec(db, z, callback1, 0, 0);
* switch_core_db_free(z);
*
* Because the %q format string is used, the '\'' character in zText
* is escaped and the SQL generated is as follows:
*
* INSERT INTO table1 VALUES('It''s a happy day!')
*
* This is correct. Had we used %s instead of %q, the generated SQL
* would have looked like this:
*
* INSERT INTO table1 VALUES('It's a happy day!');
*
* This second example is an SQL syntax error. As a general rule you
* should always use %q instead of %s when inserting text into a string
* literal.
*/
DoxyDefine(char *switch_core_db_mprintf(const char*,...);)
#define switch_core_db_mprintf sqlite3_mprintf
#define switch_mprintf sqlite3_mprintf
/**
* This routine is a variant of the "sprintf()" from the
* standard C library. The resulting string is written into memory
* obtained from malloc() so that there is never a possiblity of buffer
* overflow. This routine also implement some additional formatting
* options that are useful for constructing SQL statements.
*
* The strings returned by this routine should be freed by calling
* switch_core_db_free().
*
* All of the usual printf formatting options apply. In addition, there
* is a "%q" option. %q works like %s in that it substitutes a null-terminated
* string from the argument list. But %q also doubles every '\'' character.
* %q is designed for use inside a string literal. By doubling each '\''
* character it escapes that character and allows it to be inserted into
* the string.
*
* For example, so some string variable contains text as follows:
*
* char *zText = "It's a happy day!";
*
* We can use this text in an SQL statement as follows:
*
* char *z = switch_core_db_mprintf("INSERT INTO TABLES('%q')", zText);
* switch_core_db_exec(db, z, callback1, 0, 0);
* switch_core_db_free(z);
*
* Because the %q format string is used, the '\'' character in zText
* is escaped and the SQL generated is as follows:
*
* INSERT INTO table1 VALUES('It''s a happy day!')
*
* This is correct. Had we used %s instead of %q, the generated SQL
* would have looked like this:
*
* INSERT INTO table1 VALUES('It's a happy day!');
*
* This second example is an SQL syntax error. As a general rule you
* should always use %q instead of %s when inserting text into a string
* literal.
*/
DoxyDefine(char *switch_core_db_vmprintf(const char*, va_list);)
#define switch_core_db_vmprintf sqlite3_vmprintf
/**
* This routine is a variant of the "sprintf()" from the
* standard C library. The resulting string is written into memory
* obtained from malloc() so that there is never a possiblity of buffer
* overflow. This routine also implement some additional formatting
* options that are useful for constructing SQL statements.
*
* The strings returned by this routine should be freed by calling
* switch_core_db_free().
*
* All of the usual printf formatting options apply. In addition, there
* is a "%q" option. %q works like %s in that it substitutes a null-terminated
* string from the argument list. But %q also doubles every '\'' character.
* %q is designed for use inside a string literal. By doubling each '\''
* character it escapes that character and allows it to be inserted into
* the string.
*
* For example, so some string variable contains text as follows:
*
* char *zText = "It's a happy day!";
*
* We can use this text in an SQL statement as follows:
*
* char *z = switch_core_db_mprintf("INSERT INTO TABLES('%q')", zText);
* switch_core_db_exec(db, z, callback1, 0, 0);
* switch_core_db_free(z);
*
* Because the %q format string is used, the '\'' character in zText
* is escaped and the SQL generated is as follows:
*
* INSERT INTO table1 VALUES('It''s a happy day!')
*
* This is correct. Had we used %s instead of %q, the generated SQL
* would have looked like this:
*
* INSERT INTO table1 VALUES('It's a happy day!');
*
* This second example is an SQL syntax error. As a general rule you
* should always use %q instead of %s when inserting text into a string
* literal.
*/
DoxyDefine(char *switch_core_db_snprintf(int,char*,const char*, ...);)
#define switch_core_db_snprintf sqlite3_snprintf
/**
* call this routine to free memory malloced by a call to switch_core_db_mprintf, switch_core_db_vmprintf, or switch_core_db_snprintf
*/
DoxyDefine(void switch_core_db_free(char *z);)
#define switch_core_db_free sqlite3_free
/** @} */
/** @} */
SWITCH_END_EXTERN_C
#endif
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:nil
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/
View Git Blame Copy Permalink