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author | cweiske <cweiske@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2009-10-03 14:00:33 +0000 |
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committer | cweiske <cweiske@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2009-10-03 14:00:33 +0000 |
commit | 29422fa55379aa61a61019b832c83dab6d450264 (patch) | |
tree | e5884ce6fed2cf1d02165a1b5667b99cd80262e5 /src/SemanticScuttle/db/oracle.php | |
parent | b8b1d06b2d899658fae64d0de506439ca0ea067c (diff) | |
download | semanticscuttle-29422fa55379aa61a61019b832c83dab6d450264.tar.gz semanticscuttle-29422fa55379aa61a61019b832c83dab6d450264.tar.bz2 |
move files to new locations
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@386 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'src/SemanticScuttle/db/oracle.php')
-rw-r--r-- | src/SemanticScuttle/db/oracle.php | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/src/SemanticScuttle/db/oracle.php b/src/SemanticScuttle/db/oracle.php new file mode 100644 index 0000000..7ef10e5 --- /dev/null +++ b/src/SemanticScuttle/db/oracle.php @@ -0,0 +1,468 @@ +<?php +/** +* +* @package dbal_oracle +* @version $Id: oracle.php,v 1.2 2005/06/10 08:52:03 devalley Exp $ +* @copyright (c) 2005 phpBB Group +* @license http://opensource.org/licenses/gpl-license.php GNU Public License +* +*/ + +/** +* @ignore +*/ +if(!defined("SQL_LAYER")) +{ + +define("SQL_LAYER","oracle"); + +/** +* @package dbal_oracle +* Oracle Database Abstraction Layer +*/ +class sql_db +{ + + var $db_connect_id; + var $query_result; + var $in_transaction = 0; + var $row = array(); + var $rowset = array(); + var $num_queries = 0; + var $last_query_text = ""; + + // + // Constructor + // + function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true) + { + $this->persistency = $persistency; + $this->user = $sqluser; + $this->password = $sqlpassword; + $this->server = $sqlserver; + $this->dbname = $database; + + if($this->persistency) + { + $this->db_connect_id = @OCIPLogon($this->user, $this->password, $this->server); + } + else + { + $this->db_connect_id = @OCINLogon($this->user, $this->password, $this->server); + } + if($this->db_connect_id) + { + return $this->db_connect_id; + } + else + { + return false; + } + } + + // + // Other base methods + // + function sql_close() + { + if($this->db_connect_id) + { + // Commit outstanding transactions + if($this->in_transaction) + { + OCICommit($this->db_connect_id); + } + + if($this->query_result) + { + @OCIFreeStatement($this->query_result); + } + $result = @OCILogoff($this->db_connect_id); + return $result; + } + else + { + return false; + } + } + + // + // Base query method + // + function sql_query($query = "", $transaction = FALSE) + { + // Remove any pre-existing queries + unset($this->query_result); + + // Put us in transaction mode because with Oracle as soon as you make a query you're in a transaction + $this->in_transaction = TRUE; + + if($query != "") + { + $this->last_query = $query; + $this->num_queries++; + + if(eregi("LIMIT", $query)) + { + preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits); + + $query = $limits[1]; + if($limits[3]) + { + $row_offset = $limits[2]; + $num_rows = $limits[3]; + } + else + { + $row_offset = 0; + $num_rows = $limits[2]; + } + } + + if(eregi("^(INSERT|UPDATE) ", $query)) + { + $query = preg_replace("/\\\'/s", "''", $query); + } + + $this->query_result = @OCIParse($this->db_connect_id, $query); + $success = @OCIExecute($this->query_result, OCI_DEFAULT); + } + if($success) + { + if($transaction == END_TRANSACTION) + { + OCICommit($this->db_connect_id); + $this->in_transaction = FALSE; + } + + unset($this->row[$this->query_result]); + unset($this->rowset[$this->query_result]); + $this->last_query_text[$this->query_result] = $query; + + return $this->query_result; + } + else + { + if($this->in_transaction) + { + OCIRollback($this->db_connect_id); + } + return false; + } + } + + // + // Other query methods + // + function sql_numrows($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = @OCIFetchStatement($query_id, $this->rowset); + // OCIFetchStatment kills our query result so we have to execute the statment again + // if we ever want to use the query_id again. + @OCIExecute($query_id, OCI_DEFAULT); + return $result; + } + else + { + return false; + } + } + function sql_affectedrows($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = @OCIRowCount($query_id); + return $result; + } + else + { + return false; + } + } + function sql_numfields($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = @OCINumCols($query_id); + return $result; + } + else + { + return false; + } + } + function sql_fieldname($offset, $query_id = 0) + { + // OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain + // full abstraction compatibitly + $offset += 1; + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = strtolower(@OCIColumnName($query_id, $offset)); + return $result; + } + else + { + return false; + } + } + function sql_fieldtype($offset, $query_id = 0) + { + // This situation is the same as fieldname + $offset += 1; + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = @OCIColumnType($query_id, $offset); + return $result; + } + else + { + return false; + } + } + function sql_fetchrow($query_id = 0, $debug = FALSE) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result_row = ""; + $result = @OCIFetchInto($query_id, $result_row, OCI_ASSOC+OCI_RETURN_NULLS); + if($debug) + { + echo "Query was: ".$this->last_query . "<br>"; + echo "Result: $result<br>"; + echo "Query ID: $query_id<br>"; + echo "<pre>"; + var_dump($result_row); + echo "</pre>"; + } + if($result_row == "") + { + return false; + } + + for($i = 0; $i < count($result_row); $i++) + { + list($key, $val) = each($result_row); + $return_arr[strtolower($key)] = $val; + } + $this->row[$query_id] = $return_arr; + + return $this->row[$query_id]; + } + else + { + return false; + } + } + // This function probably isn't as efficant is it could be but any other way I do it + // I end up losing 1 row... + function sql_fetchrowset($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $rows = @OCIFetchStatement($query_id, $results); + @OCIExecute($query_id, OCI_DEFAULT); + for($i = 0; $i <= $rows; $i++) + { + @OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS); + + for($j = 0; $j < count($tmp_result); $j++) + { + list($key, $val) = each($tmp_result); + $return_arr[strtolower($key)] = $val; + } + $result[] = $return_arr; + } + return $result; + } + else + { + return false; + } + } + function sql_fetchfield($field, $rownum = -1, $query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + if($rownum > -1) + { + // Reset the internal rownum pointer. + @OCIExecute($query_id, OCI_DEFAULT); + for($i = 0; $i < $rownum; $i++) + { + // Move the interal pointer to the row we want + @OCIFetch($query_id); + } + // Get the field data. + $result = @OCIResult($query_id, strtoupper($field)); + } + else + { + // The internal pointer should be where we want it + // so we just grab the field out of the current row. + $result = @OCIResult($query_id, strtoupper($field)); + } + return $result; + } + else + { + return false; + } + } + function sql_rowseek($rownum, $query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + @OCIExecute($query_id, OCI_DEFAULT); + for($i = 0; $i < $rownum; $i++) + { + @OCIFetch($query_id); + } + $result = @OCIFetch($query_id); + return $result; + } + else + { + return false; + } + } + function sql_nextid($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id && $this->last_query_text[$query_id] != "") + { + if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename)) + { + $query = "SELECT ".$tablename[2]."_id_seq.currval FROM DUAL"; + $stmt = @OCIParse($this->db_connect_id, $query); + @OCIExecute($stmt,OCI_DEFAULT ); + $temp_result = @OCIFetchInto($stmt, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS); + if($temp_result) + { + return $temp_result['CURRVAL']; + } + else + { + return false; + } + } + else + { + return false; + } + } + else + { + return false; + } + } + + function sql_nextid($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id && $this->last_query_text[$query_id] != "") + { + if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename)) + { + $query = "SELECT ".$tablename[2]."_id_seq.CURRVAL FROM DUAL"; + $temp_q_id = @OCIParse($this->db_connect_id, $query); + @OCIExecute($temp_q_id, OCI_DEFAULT); + @OCIFetchInto($temp_q_id, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS); + + if($temp_result) + { + return $temp_result['CURRVAL']; + } + else + { + return false; + } + } + else + { + return false; + } + } + else + { + return false; + } + } + + + + function sql_freeresult($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + if($query_id) + { + $result = @OCIFreeStatement($query_id); + return $result; + } + else + { + return false; + } + } + function sql_error($query_id = 0) + { + if(!$query_id) + { + $query_id = $this->query_result; + } + $result = @OCIError($query_id); + return $result; + } + +} // class sql_db + +} // if ... define + +?>
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