Mercurial > dovecot > core-2.2

annotate src/lib-sql/sql-api-private.h @ 2754:3c3ac12be307 HEAD

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Created generic asynchronous SQL API and implemented MySQL and PostgreSQL drivers. MySQL is implemented synchronously because it's API doesn't provide async way to do it. Replaced pgsql and mysql userdb/passdb with generic sql userdb/passdb.
author Timo Sirainen <tss@iki.fi>
date Sat, 16 Oct 2004 02:12:51 +0300
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children 5d6787582410
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3c3ac12be307 Created generic asynchronous SQL API and implemented MySQL and PostgreSQL
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1 #ifndef __SQL_API_PRIVATE_H
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2 #define __SQL_API_PRIVATE_H
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3
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4 #include "sql-api.h"
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5
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6 struct sql_db {
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7 struct sql_db *(*init)(const char *connect_string);
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8 void (*deinit)(struct sql_db *db);
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9
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10 void (*exec)(struct sql_db *db, const char *query);
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11 void (*query)(struct sql_db *db, const char *query,
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12 sql_query_callback_t *callback, void *context);
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13 };
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14
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15 struct sql_result {
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16 struct sql_db *db;
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17
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18 int (*next_row)(struct sql_result *result);
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19
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20 unsigned int (*get_fields_count)(struct sql_result *result);
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21 const char *(*get_field_name)(struct sql_result *result,
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22 unsigned int idx);
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23 int (*find_field)(struct sql_result *result, const char *field_name);
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24
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25 const char *(*get_field_value)(struct sql_result *result,
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26 unsigned int idx);
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27 const char *(*find_field_value)(struct sql_result *result,
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28 const char *field_name);
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29 const char *const *(*get_values)(struct sql_result *result);
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30
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31 const char *(*get_error)(struct sql_result *result);
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32 };
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33
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34 extern struct sql_db driver_mysql_db;
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35 extern struct sql_db driver_pgsql_db;
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36
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37 extern struct sql_result sql_not_connected_result;
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38
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39 #endif