From: André Malo Date: Wed, 18 May 2005 17:13:54 +0000 (+0000) Subject: some markup cleanup, better topic section name, fix XML validation error X-Git-Tag: 2.1.5~92 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=99ab68650eedbed26c1d3d05a04b2a47045bb030;p=apache some markup cleanup, better topic section name, fix XML validation error git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@170778 13f79535-47bb-0310-9956-ffa450edef68 --- diff --git a/docs/manual/mod/mod_dbd.xml b/docs/manual/mod/mod_dbd.xml index 817b334437..cf923e0248 100644 --- a/docs/manual/mod/mod_dbd.xml +++ b/docs/manual/mod/mod_dbd.xml @@ -30,7 +30,7 @@ Version 2.1 and higher -

mod_dbd manages SQL database connections using +

mod_dbd manages SQL database connections using apr_dbd. It provides database connections on request to modules requiring SQL database functions, and takes care of @@ -38,7 +38,7 @@ for both threaded and non-threaded MPMs.

-
Connection Pooling +
Connection Pooling

This module manages database connections, in a manner optimised for the platform. On non-threaded platforms, it provides a persistent connection in the manner of @@ -46,13 +46,15 @@ On threaded platform, it provides an altogether more scalable and efficient connection pool, as described in this article at ApacheTutor. - mod_dbd supersedes the modules presented in that article.

+ >this article at ApacheTutor. mod_dbd supersedes + the modules presented in that article.

Apache DBD API -

mod_dbd exports three functions for other modules to use. - The API is as follows:

+

mod_dbd exports three functions for other modules + to use. The API is as follows:

+ +
typedef struct {
     apr_dbd_t *handle;
     apr_dbd_driver_t *driver;
@@ -78,18 +80,19 @@ AP_DECLARE(ap_dbd_t*) ap_dbd_acquire(request_rec*);
 /* Also export them as optional functions for modules that prefer it */
 APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_open, (apr_pool_t*, server_rec*));
 APR_DECLARE_OPTIONAL_FN(void, ap_dbd_close, (server_rec*, ap_dbd_t*));
-APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*));
-
+APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); +
SQL Prepared Statements -

mod_dbd supports SQL prepared statements on behalf of - modules that may wish to use them. Each prepared statement +

mod_dbd supports SQL prepared statements on behalf + of modules that may wish to use them. Each prepared statement must be assigned a name (label), and they are stored in a hash: the prepared field of an ap_dbd_t. Hash entries are of type apr_dbd_prepared_t and can be used in any of the apr_dbd prepared statement SQL query or select commands.

+

It is up to dbd user modules to use the prepared statements and document what statements can be specified in httpd.conf.

@@ -112,7 +115,8 @@ APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); DBDParams Parameters for database connection -DBDParams param1=value1,param2=value2 +DBDParams +param1=value1[,param2=value2] server configvirtual host @@ -126,7 +130,7 @@ APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); DBDPersist Whether to use persistent connections -DBDPersist [0|1] +DBDPersist 0|1 server configvirtual host @@ -135,6 +139,7 @@ APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); A new database connection is opened when requested by a client, and closed immediately on release. This option is for debugging and low-usage servers.

+

The default is to enable a pool of persistent connections (or a single LAMP-style persistent connection in the case of a non-threaded server), and should almost always be used in operation.

@@ -182,6 +187,7 @@ APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); platforms only).

+ DBDMax Maximum number of connections @@ -209,6 +215,4 @@ APR_DECLARE_OPTIONAL_FN(ap_dbd_t*, ap_dbd_acquire, (request_rec*)); - -