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authorPaul S. Owen <psotfx@users.sourceforge.net>2001-02-25 15:07:50 +0000
committerPaul S. Owen <psotfx@users.sourceforge.net>2001-02-25 15:07:50 +0000
commitfb54a622ff7b52795161016407d6660056d6247b (patch)
tree00f3038ac589d0a036d503f79fcc312a4922e187 /phpBB/db/odbc.php
parent35f60609f92e7503ff7b7a2959586335650f345b (diff)
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Initial working odbc class (MS Access compatible)
git-svn-id: file:///svn/phpbb/trunk@60 89ea8834-ac86-4346-8a33-228a782c2dd0
Diffstat (limited to 'phpBB/db/odbc.php')
-rw-r--r--phpBB/db/odbc.php217
1 files changed, 83 insertions, 134 deletions
diff --git a/phpBB/db/odbc.php b/phpBB/db/odbc.php
index bd89e5cd75..e0794b1454 100644
--- a/phpBB/db/odbc.php
+++ b/phpBB/db/odbc.php
@@ -1,6 +1,6 @@
<?php
/***************************************************************************
- * mssql.php
+ * odbc.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
@@ -31,9 +31,6 @@ class sql_db
var $query_result;
var $query_resultset;
var $query_numrows;
- var $query_limit_offset;
- var $query_limit_numrows;
- var $query_limit_success;
var $next_id;
var $row;
var $row_index;
@@ -118,70 +115,79 @@ class sql_db
unset($this->row);
if($query != "")
{
- //
- // Does query contain any LIMIT code?
- // If so pull out relevant start and num_results
- // This isn't terribly easy with MSSQL, whatever
- // you do will potentially impact performance
- // compared to an 'in-built' limit
- //
- if(eregi(" LIMIT ", $query))
+ if(!eregi("^INSERT ",$query))
{
- eregi("^([a-zA-Z0-9 \*\,\'\"\+\?\.\(\)]+) LIMIT ([0-9]+)[, ]*([0-9]+)*", $query, $limits);
-
- $query = $limits[1];
- if($limits[3])
+ if(eregi(" LIMIT ", $query))
{
- $row_offset = $limits[2];
- $num_rows = $limits[3];
+ eregi("^([a-zA-Z0-9 \*\,\'\"\+\?\.\(\)]+) LIMIT ([0-9]+)[, ]*([0-9]+)*", $query, $limits);
+
+ $query = $limits[1];
+ if($limits[3])
+ {
+ $row_offset = $limits[2];
+ $num_rows = $limits[3];
+ }
+ else
+ {
+ $row_offset = 0;
+ $num_rows = $limits[2];
+ }
+
+ $this->query_result = @odbc_exec($this->db_connect_id, $query);
+
+ $query_limit_offset = $row_offset;
+ $this->result_numrows[$this->query_result] = $num_rows;
}
else
{
+ $this->query_result = @odbc_exec($this->db_connect_id, $query);
+
$row_offset = 0;
- $num_rows = $limits[2];
+ $this->result_numrows[$this->query_result] = 5E6;
}
-// odbc_exec("SET ROWCOUNT ".($row_offset + $num_rows));
- $this->query_result = @odbc_query($this->db_connect_id, $query);
-// odbc_exec("SET ROWCOUNT 0");
-
- $this->query_limit_success[$this->query_result] = true;
-
- $this->query_limit_offset[$this->query_result] = -1;
- $this->query_limit_numrows[$this->query_result] = $num_rows;
- if($this->query_result && $row_offset>0)
+ if($this->query_result)
{
- $result = @odbc_data_seek($this->query_result, $row_offset);
- if(!$result)
+ $result_id = $this->query_result;
+
+ for($i = 1; $i < @odbc_num_fields($result_id)+1; $i++)
{
- $this->query_limit_success[$query_id] = false;
+ $this->result_field_names[$result_id][] = @odbc_field_name($result_id, $i);
}
- $this->query_limit_offset[$this->query_result] = $row_offset;
- }
- }
- else if(eregi("^INSERT ", $query))
- {
- $this->query_result = @odbc_exec($this->db_connect_id, $query);
-// $next_id_query = @odbc_exec("SELECT @@IDENTITY AS this_id");
- $this->next_id[$this->query_result] = $this->sql_fetchfield("this_id", -1, $next_id_query);
+ $i = $row_offset + 1;
+ $k = 0;
+ while(odbc_fetch_row($result_id, $i) && $k < $this->result_numrows[$result_id])
+ {
+ for($j = 1; $j < count($this->result_field_names[$result_id])+1; $j++)
+ {
+ $this->result_rowset[$result_id][$k][$this->result_field_names[$result_id][$j-1]] = odbc_result($result_id, $j);
+ }
+ $i++;
+ $k++;
+ }
- $this->query_limit_offset[$this->query_result] = -1;
- $this->query_limit_numrows[$this->query_result] = -1;
+ $this->result_numrows[$result_id] = $k;
+ $this->row_index[$result_id] = 0;
+ }
}
- else
+ else
{
- $this->query_result = @odbc_exec($this->db_connect_id, $query);
+ $this->query_result = odbc_exec($this->db_connect_id, $query);
- $this->query_limit_offset[$this->query_result] = -1;
- $this->query_limit_numrows[$this->query_result] = -1;
- }
+ if($this->query_result)
+ {
+ // This works for MSSQL, MS Access ... no idea about other DBs ...
+ $id_result = odbc_exec($this->db_connect_id, "SELECT @@IDENTITY AS last_id");
+ if($id_result)
+ {
+ @odbc_fetch_row($id_result);
+ $this->next_id[$this->query_result] = odbc_result($id_result, 1);
+ }
+ }
- if($this->query_result && !eregi("^INSERT ",$query))
- {
- $this->result_rowset[$this->query_result] = $this->sql_fetchrowset($this->query_result);
- $this->result_numrows[$this->query_result] = count($this->result_rowset[$this->query_result]);
- $this->row_index[$this->query_result] = 0;
+ $this->query_limit_offset[$this->query_result] = 0;
+ $this->result_numrows[$this->query_result] = 0;
}
return $this->query_result;
@@ -203,15 +209,7 @@ class sql_db
}
if($query_id)
{
- if($this->query_limit_offset[$query_id] > 0)
- {
- $result = @odbc_num_rows($query_id) - $this->query_limit_offset[$query_id];
- }
- else
- {
- $result = $this->result_numrows[$query_id];
- }
- return $result;
+ return $this->result_numrows[$query_id];
}
else
{
@@ -226,7 +224,7 @@ class sql_db
}
if($query_id)
{
- $result = @mssql_num_fields($query_id);
+ $result = count($this->result_field_names[$query_id]);
return $result;
}
else
@@ -242,7 +240,7 @@ class sql_db
}
if($query_id)
{
- $result = @mssql_field_name($query_id, $offset);
+ $result = $this->result_field_names[$query_id][$offset];
return $result;
}
else
@@ -258,7 +256,7 @@ class sql_db
}
if($query_id)
{
- $result = @mssql_field_type($query_id, $offset);
+ $result = @odbc_field_type($query_id, $offset);
return $result;
}
else
@@ -274,23 +272,15 @@ class sql_db
}
if($query_id)
{
-
- if($this->query_limit_offset[$query_id] > 0)
+ if($this->row_index[$query_id] < $this->result_numrows[$query_id])
{
- if($this->query_limit_success)
- {
- $this->row = @mssql_fetch_array($query_id);
- return $this->row;
- }
- else
- {
- return false;
- }
+ $result = $this->result_rowset[$query_id][$this->row_index[$query_id]];
+ $this->row_index[$query_id]++;
+ return $result;
}
else
{
- return $this->result_rowset[$query_id][$this->row_index[$query_id]];
- $this->row_index[$query_id]++;
+ return false;
}
}
else
@@ -306,42 +296,15 @@ class sql_db
}
if($query_id)
{
- if(!empty($this->result_rowset[$query_id])){
- return $this->result_rowset[$query_id];
- }
-
- for($i = 1; $i < @odbc_num_fields($query_id)+1; $i++)
- {
- $this->result_field_names[] = odbc_field_name($query_id, $i);
- }
-
- if($this->query_limit_success[$query_id])
- {
- }
- else if($this->query_limit_numrows[$query_id] == -1)
- {
- $i = 0;
- while(@odbc_fetch_row($query_id))
- {
- for($j = 1; $j < count($this->result_field_names)+1; $j++)
- {
- $result[$i][$this->result_field_names[$j-1]] = odbc_result($query_id, $j);
- }
- $i++;
- }
- }
- else
- {
- $result = false;
- }
- return $result;
+ $this->row_index[$query_id] = $this->result_numrows[$query_id];
+ return $this->result_rowset[$query_id];
}
else
{
return false;
}
}
- function sql_fetchfield($field, $row = -1, $query_id)
+ function sql_fetchfield($field, $row = -1, $query_id = 0)
{
if(!$query_id)
{
@@ -349,33 +312,24 @@ class sql_db
}
if($query_id)
{
- if($row != -1)
+ if($row < $this->result_numrows[$query_id])
{
- if($this->query_limit_offset[$query_id] > 0)
+ if($row == -1)
{
- if($this->query_limit_offset[$query_id] > 0 && $this->query_limit_success)
- {
- $result = @mssql_result($this->query_result, ($this->query_limit_offset[$query_id] + $row), $field);
- }
- else
- {
- return false;
- }
+ $getrow = $this->row_index[$query_id]-1;
}
else
{
- $result = @mssql_result($this->query_result, $row, $field);
+ $getrow = $row;
}
+
+ return $this->result_rowset[$query_id][$getrow][$this->result_field_names[$query_id][$field]];
+
}
else
{
- if(empty($this->row))
- {
- $this->row = @mssql_fetch_array($query_id);
- $result = $this->row[$field];
- }
+ return false;
}
- return $result;
}
else
{
@@ -390,15 +344,8 @@ class sql_db
}
if($query_id)
{
- if($this->query_limit_offset[$query_id] > 0)
- {
- $result = @mssql_data_seek($query_id, ($this->query_limit_offset[$query_id] + $rownum));
- }
- else
- {
- $result = @mssql_data_seek($query_id, $rownum);
- }
- return $result;
+ $this->row_index[$query_id] = 0;
+ return true;
}
else
{
@@ -428,7 +375,7 @@ class sql_db
}
if($query_id)
{
- $result = @mssql_free_result($query_id);
+ $result = @odbc_free_result($query_id);
return $result;
}
else
@@ -438,7 +385,9 @@ class sql_db
}
function sql_error($query_id = 0)
{
- $result[message] = @mssql_get_last_message();
+ $result["code"] = @odbc_error($this->db_connect_id);
+ $result["message"] = @odbc_errormsg($this->db_connect_id);
+
return $result;
}