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PHP : Function Reference : MaxDB PHP Extension : maxdb_query

maxdb_query

Performs a query on the database (PECL maxdb:1.0-7.6.00.38)
mixed maxdb_query ( resource link, string query [, int resultmode] )

Procedural style:

Object oriented style (method):

maxdb {
  mixed query(string query);
}

The maxdb_query() function is used to simplify the act of performing a query against the database represented by the link parameter.

Return Values

Returns TRUE on success or FALSE on failure. For SELECT, SHOW, DESCRIBE or EXPLAIN maxdb_query() will return a result resource.

Examples

Example 1236. Object oriented style

<?php
$maxdb
= new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
 
printf("Connect failed: %s\n", maxdb_connect_error());
  exit();
}

/* Create table doesn't return a resultset */
if ($maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
 
printf("Table mycity successfully created.\n");
}

/* Select queries return a resultset */
if ($result = $maxdb->query("SELECT name FROM hotel.city")) {
 
printf("Select returned %d rows.\n", $result->num_rows);

 
/* free result set */
 
$result->close();
}

/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
if ($result = $maxdb->query("SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
 
$result->close();
}

$maxdb->close();
?>


Example 1237. Procedural style

<?php
$link
= maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
 
printf("Connect failed: %s\n", maxdb_connect_error());
  exit();
}

/* Create table doesn't return a resultset */
if (maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
 
printf("Table mycity successfully created.\n");
}

/* Select queries return a resultset */
if ($result = maxdb_query($link, "SELECT name FROM hotel.city")) {
 
printf("Select returned %d rows.\n", maxdb_num_rows($result));

 
/* free result set */
 
maxdb_free_result($result);
}

/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
if ($result = maxdb_query($link, "SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
 
maxdb_free_result($result);
}

maxdb_close($link);
?>


The above examples would produce the following output:

Table mycity successfully created.
Select returned 25 rows.

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maxdb_affected_rows
maxdb_autocommit
maxdb_bind_param
maxdb_bind_result
maxdb_change_user
maxdb_character_set_name
maxdb_client_encoding
maxdb_close_long_data
maxdb_close
maxdb_commit
maxdb_connect_errno
maxdb_connect_error
maxdb_connect
maxdb_data_seek
maxdb_debug
maxdb_disable_reads_from_master
maxdb_disable_rpl_parse
maxdb_dump_debug_info
maxdb_embedded_connect
maxdb_enable_reads_from_master
maxdb_enable_rpl_parse
maxdb_errno
maxdb_error
maxdb_escape_string
maxdb_execute
maxdb_fetch_array
maxdb_fetch_assoc
maxdb_fetch_field_direct
maxdb_fetch_field
maxdb_fetch_fields
maxdb_fetch_lengths
maxdb_fetch_object
maxdb_fetch_row
maxdb_fetch
maxdb_field_count
maxdb_field_seek
maxdb_field_tell
maxdb_free_result
maxdb_get_client_info
maxdb_get_client_version
maxdb_get_host_info
maxdb_get_metadata
maxdb_get_proto_info
maxdb_get_server_info
maxdb_get_server_version
maxdb_info
maxdb_init
maxdb_insert_id
maxdb_kill
maxdb_master_query
maxdb_more_results
maxdb_multi_query
maxdb_next_result
maxdb_num_fields
maxdb_num_rows
maxdb_options
maxdb_param_count
maxdb_ping
maxdb_prepare
maxdb_query
maxdb_real_connect
maxdb_real_escape_string
maxdb_real_query
maxdb_report
maxdb_rollback
maxdb_rpl_parse_enabled
maxdb_rpl_probe
maxdb_rpl_query_type
maxdb_select_db
maxdb_send_long_data
maxdb_send_query
maxdb_server_end
maxdb_server_init
maxdb_set_opt
maxdb_sqlstate
maxdb_ssl_set
maxdb_stat
maxdb_stmt_affected_rows
maxdb_stmt_bind_param
maxdb_stmt_bind_result
maxdb_stmt_close_long_data
maxdb_stmt_close
maxdb_stmt_data_seek
maxdb_stmt_errno
maxdb_stmt_error
maxdb_stmt_execute
maxdb_stmt_fetch
maxdb_stmt_free_result
maxdb_stmt_init
maxdb_stmt_num_rows
maxdb_stmt_param_count
maxdb_stmt_prepare
maxdb_stmt_reset
maxdb_stmt_result_metadata
maxdb_stmt_send_long_data
maxdb_stmt_sqlstate
maxdb_stmt_store_result
maxdb_store_result
maxdb_thread_id
maxdb_thread_safe
maxdb_use_result
maxdb_warning_count
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