sq_prepare.c File Reference

helper functions for executing SQL statements More...

#include "platform.h"
#include "gnunet_sq_lib.h"

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Functions
struct GNUNET_SQ_PrepareStatement	GNUNET_SQ_make_prepare (const char *sql, sqlite3_stmt **pstmt)
	Create a struct GNUNET_SQ_PrepareStatement More...
enum GNUNET_GenericReturnValue	GNUNET_SQ_prepare (sqlite3 *dbh, const struct GNUNET_SQ_PrepareStatement *ps)
	Prepare all statements given in the (NULL,NULL)-terminated array at ps. More...

Detailed Description

helper functions for executing SQL statements

Author

Christian Grothoff

Definition in file sq_prepare.c.

Function Documentation

GNUNET_SQ_make_prepare()

struct GNUNET_SQ_PrepareStatement GNUNET_SQ_make_prepare	(	const char *	sql,
		sqlite3_stmt **	pstmt
	)

Create a struct GNUNET_SQ_PrepareStatement

Parameters

sql	actual SQL statement
pstmt	where to store the handle

Returns

initialized struct

Definition at line 37 of file sq_prepare.c.

{
  struct GNUNET_SQ_PrepareStatement ps = {
    .sql = sql,
    .pstmt = pstmt
  };
 
  return ps;
}

References ps, GNUNET_SQ_PrepareStatement::pstmt, and GNUNET_SQ_PrepareStatement::sql.

Referenced by database_prepare(), and database_setup().

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GNUNET_SQ_prepare()

enum GNUNET_GenericReturnValue GNUNET_SQ_prepare	(	sqlite3 *	dbh,
		const struct GNUNET_SQ_PrepareStatement *	ps
	)

Prepare all statements given in the (NULL,NULL)-terminated array at ps.

Parameters

dbh	database handle
ps	array of statements to prepare

Returns

GNUNET_OK on success

Definition at line 50 of file sq_prepare.c.

{
  for (unsigned int i = 0; NULL != ps[i].sql; i++)
  {
    const char *epos = NULL;
    int ret;
 
    if (SQLITE_OK !=
        (ret = sqlite3_prepare_v2 (dbh,
                                   ps[i].sql,
                                   strlen (ps[i].sql),
                                   ps[i].pstmt,
                                   &epos)))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Failed to prepare SQL `%s': error %d at %s\n",
                  ps[i].sql,
                  ret,
                  epos);
      return GNUNET_SYSERR;
    }
  }
  return GNUNET_OK;
}

References GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_OK, GNUNET_SYSERR, ps, GNUNET_SQ_PrepareStatement::pstmt, ret, and GNUNET_SQ_PrepareStatement::sql.

Referenced by database_prepare(), and database_setup().

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