sqlite3-win32.h

sloedgy open sip stack source code

int sqlite3_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 */
);
int sqlite3_prepare16(
  sqlite3 *db,            /* Database handle */
  const void *zSql,       /* SQL statement, UTF-16 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const void **pzTail     /* OUT: Pointer to unused portion of zSql */
);

/*
** Pointers to the following two opaque structures are used to communicate
** with the implementations of user-defined functions.
*/
typedef struct sqlite3_context sqlite3_context;
typedef struct Mem sqlite3_value;

/*
** In the SQL strings input to sqlite3_prepare() and sqlite3_prepare16(),
** one or more literals can be replace by a wildcard "?" or ":N:" where
** N is an integer.  These value of these wildcard literals can be set
** using the routines listed below.
**
** In every case, the first parameter is a pointer to the sqlite3_stmt
** structure returned from sqlite3_prepare().  The second parameter is the
** index of the wildcard.  The first "?" has an index of 1.  ":N:" wildcards
** use the index N.
**
** 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 sqlite3_step() after
** an sqlite3_prepare() or sqlite3_reset().  Unbound wildcards are interpreted
** as NULL.
*/
int sqlite3_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));
int sqlite3_bind_double(sqlite3_stmt*, int, double);
int sqlite3_bind_int(sqlite3_stmt*, int, int);
int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite_int64);
int sqlite3_bind_null(sqlite3_stmt*, int);
int sqlite3_bind_text(sqlite3_stmt*, int, const char*, int n, void(*)(void*));
int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*));
int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*);

/*
** Return the number of wildcards in a compiled SQL statement.  This
** routine was added to support DBD::SQLite.
*/
int sqlite3_bind_parameter_count(sqlite3_stmt*);

/*
** Return the name of the i-th parameter.  Ordinary wildcards "?" are
** nameless and a NULL is returned.  For wildcards of the form :N or
** $vvvv the complete text of the wildcard is returned.
** NULL is returned if the index is out of range.
*/
const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int);

/*
** Return the index of a parameter with the given name.  The name
** must match exactly.  If no parameter with the given name is found,
** return 0.
*/
int sqlite3_bind_parameter_index(sqlite3_stmt*, const char *zName);

/*
** 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).
*/
int sqlite3_column_count(sqlite3_stmt *pStmt);

/*
** 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 for
** sqlite3_column_name() and UTF-16 for sqlite3_column_name16().
*/
const char *sqlite3_column_name(sqlite3_stmt*,int);
const void *sqlite3_column_name16(sqlite3_stmt*,int);

/*
** 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).
*/
const char *sqlite3_column_decltype(sqlite3_stmt *, int i);

/*
** 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).
*/
const void *sqlite3_column_decltype16(sqlite3_stmt*,int);

/* 
** After an SQL query has been compiled with a call to either
** sqlite3_prepare() or sqlite3_prepare16(), 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 sqlite3_step() again to retry the open.
**
** SQLITE_DONE means that the statement has finished executing
** successfully.  sqlite3_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 sqlite3_column_*() functions described below. sqlite3_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.  sqlite3_step() should not be called again on
** the VM. More information may be found by calling sqlite3_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.
*/
int sqlite3_step(sqlite3_stmt*);

/*
** Return the number of values in the current row of the result set.
**
** After a call to sqlite3_step() that returns SQLITE_ROW, this routine
** will return the same value as the sqlite3_column_count() function.
** After sqlite3_step() has returned an SQLITE_DONE, SQLITE_BUSY or
** error code, or before sqlite3_step() has been called on a 
** compiled SQL statement, this routine returns zero.
*/
int sqlite3_data_count(sqlite3_stmt *pStmt);

/*
** Values are stored in the database in one of the following fundamental
** types.
*/
#define SQLITE_INTEGER  1
#define SQLITE_FLOAT    2
/* #define SQLITE_TEXT  3  // See below */
#define SQLITE_BLOB     4
#define SQLITE_NULL     5

/*
** SQLite version 2 defines SQLITE_TEXT differently.  To allow both
** version 2 and version 3 to be included, undefine them both if a
** conflict is seen.  Define SQLITE3_TEXT to be the version 3 value.
*/
#ifdef SQLITE_TEXT
# undef SQLITE_TEXT
#else
# define SQLITE_TEXT     3
#endif
#define SQLITE3_TEXT     3

/*
** 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 sqlite3_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
**
** The following access routines are provided:
**
** _type()     Return the datatype of the result.  This is one of
**             SQLITE_INTEGER, SQLITE_FLOAT, SQLITE_TEXT, SQLITE_BLOB,
**             or SQLITE_NULL.
** _blob()     Return the value of a BLOB.
** _bytes()    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.
** _bytes16()  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.
** _double()   Return a FLOAT value.
** _int()      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.
** _int64()    Return an INTEGER value as a 64-bit signed integer.
** _text()     Return the value as UTF-8 text.
** _text16()   Return the value as UTF-16 text.
*/
const void *sqlite3_column_blob(sqlite3_stmt*, int iCol);
int sqlite3_column_bytes(sqlite3_stmt*, int iCol);
int sqlite3_column_bytes16(sqlite3_stmt*, int iCol);
double sqlite3_column_double(sqlite3_stmt*, int iCol);
int sqlite3_column_int(sqlite3_stmt*, int iCol);
sqlite_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol);
const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
const void *sqlite3_column_text16(sqlite3_stmt*, int iCol);
int sqlite3_column_type(sqlite3_stmt*, int iCol);

/*
** The sqlite3_finalize() function is called to delete a compiled
** SQL statement obtained by a previous call to sqlite3_prepare()
** or sqlite3_prepare16(). 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 sqlite3_interrupt().)  Incomplete updates may be
** rolled back and transactions cancelled,  depending on the circumstances,
** and the result code returned will be SQLITE_ABORT.
*/
int sqlite3_finalize(sqlite3_stmt *pStmt);

/*
** The sqlite3_reset() function is called to reset a compiled SQL
** statement obtained by a previous call to sqlite3_prepare() or
** sqlite3_prepare16() back to it's initial state, ready to be re-executed.
** Any SQL statement variables that had values bound to them using
** the sqlite3_bind_*() API retain their values.
*/
int sqlite3_reset(sqlite3_stmt *pStmt);

/*
** The following two functions are used to add user functions or aggregates