--- /dev/null
+<?php
+
+/**
+ V5.02 24 Sept 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
+ Released under both BSD license and Lesser GPL library license.
+ Whenever there is any discrepancy between the two licenses,
+ the BSD license will take precedence.
+
+ Set tabs to 4 for best viewing.
+
+*/
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+class ADODB2_oci8 extends ADODB_DataDict {
+
+ var $databaseType = 'oci8';
+ var $seqField = false;
+ var $seqPrefix = 'SEQ_';
+ var $dropTable = "DROP TABLE %s CASCADE CONSTRAINTS";
+ var $trigPrefix = 'TRIG_';
+ var $alterCol = ' MODIFY ';
+ var $typeX = 'VARCHAR(4000)';
+ var $typeXL = 'CLOB';
+
+ function MetaType($t,$len=-1)
+ {
+ if (is_object($t)) {
+ $fieldobj = $t;
+ $t = $fieldobj->type;
+ $len = $fieldobj->max_length;
+ }
+ switch (strtoupper($t)) {
+ case 'VARCHAR':
+ case 'VARCHAR2':
+ case 'CHAR':
+ case 'VARBINARY':
+ case 'BINARY':
+ if (isset($this) && $len <= $this->blobSize) return 'C';
+ return 'X';
+
+ case 'NCHAR':
+ case 'NVARCHAR2':
+ case 'NVARCHAR':
+ if (isset($this) && $len <= $this->blobSize) return 'C2';
+ return 'X2';
+
+ case 'NCLOB':
+ case 'CLOB':
+ return 'XL';
+
+ case 'LONG RAW':
+ case 'LONG VARBINARY':
+ case 'BLOB':
+ return 'B';
+
+ case 'DATE':
+ return 'T';
+
+ case 'INT':
+ case 'SMALLINT':
+ case 'INTEGER':
+ return 'I';
+
+ default:
+ return 'N';
+ }
+ }
+
+ function ActualType($meta)
+ {
+ switch($meta) {
+ case 'C': return 'VARCHAR';
+ case 'X': return $this->typeX;
+ case 'XL': return $this->typeXL;
+
+ case 'C2': return 'NVARCHAR2';
+ case 'X2': return 'NVARCHAR2(4000)';
+
+ case 'B': return 'BLOB';
+
+ case 'D':
+ case 'T': return 'DATE';
+ case 'L': return 'DECIMAL(1)';
+ case 'I1': return 'DECIMAL(3)';
+ case 'I2': return 'DECIMAL(5)';
+ case 'I':
+ case 'I4': return 'DECIMAL(10)';
+
+ case 'I8': return 'DECIMAL(20)';
+ case 'F': return 'DECIMAL';
+ case 'N': return 'DECIMAL';
+ default:
+ return $meta;
+ }
+ }
+
+ function CreateDatabase($dbname, $options=false)
+ {
+ $options = $this->_Options($options);
+ $password = isset($options['PASSWORD']) ? $options['PASSWORD'] : 'tiger';
+ $tablespace = isset($options["TABLESPACE"]) ? " DEFAULT TABLESPACE ".$options["TABLESPACE"] : '';
+ $sql[] = "CREATE USER ".$dbname." IDENTIFIED BY ".$password.$tablespace;
+ $sql[] = "GRANT CREATE SESSION, CREATE TABLE,UNLIMITED TABLESPACE,CREATE SEQUENCE TO $dbname";
+
+ return $sql;
+ }
+
+ function AddColumnSQL($tabname, $flds)
+ {
+ $f = array();
+ list($lines,$pkey) = $this->_GenFields($flds);
+ $s = "ALTER TABLE $tabname ADD (";
+ foreach($lines as $v) {
+ $f[] = "\n $v";
+ }
+
+ $s .= implode(', ',$f).')';
+ $sql[] = $s;
+ return $sql;
+ }
+
+ function AlterColumnSQL($tabname, $flds)
+ {
+ $f = array();
+ list($lines,$pkey) = $this->_GenFields($flds);
+ $s = "ALTER TABLE $tabname MODIFY(";
+ foreach($lines as $v) {
+ $f[] = "\n $v";
+ }
+ $s .= implode(', ',$f).')';
+ $sql[] = $s;
+ return $sql;
+ }
+
+ function DropColumnSQL($tabname, $flds)
+ {
+ if (!is_array($flds)) $flds = explode(',',$flds);
+ foreach ($flds as $k => $v) $flds[$k] = $this->NameQuote($v);
+
+ $sql = array();
+ $s = "ALTER TABLE $tabname DROP(";
+ $s .= implode(', ',$flds).') CASCADE CONSTRAINTS';
+ $sql[] = $s;
+ return $sql;
+ }
+
+ function _DropAutoIncrement($t)
+ {
+ if (strpos($t,'.') !== false) {
+ $tarr = explode('.',$t);
+ return "drop sequence ".$tarr[0].".seq_".$tarr[1];
+ }
+ return "drop sequence seq_".$t;
+ }
+
+ // return string must begin with space
+ function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
+ {
+ $suffix = '';
+
+ if ($fdefault == "''" && $fnotnull) {// this is null in oracle
+ $fnotnull = false;
+ if ($this->debug) ADOConnection::outp("NOT NULL and DEFAULT='' illegal in Oracle");
+ }
+
+ if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
+ if ($fnotnull) $suffix .= ' NOT NULL';
+
+ if ($fautoinc) $this->seqField = $fname;
+ if ($fconstraint) $suffix .= ' '.$fconstraint;
+
+ return $suffix;
+ }
+
+/*
+CREATE or replace TRIGGER jaddress_insert
+before insert on jaddress
+for each row
+begin
+select seqaddress.nextval into :new.A_ID from dual;
+end;
+*/
+ function _Triggers($tabname,$tableoptions)
+ {
+ if (!$this->seqField) return array();
+
+ if ($this->schema) {
+ $t = strpos($tabname,'.');
+ if ($t !== false) $tab = substr($tabname,$t+1);
+ else $tab = $tabname;
+ $seqname = $this->schema.'.'.$this->seqPrefix.$tab;
+ $trigname = $this->schema.'.'.$this->trigPrefix.$this->seqPrefix.$tab;
+ } else {
+ $seqname = $this->seqPrefix.$tabname;
+ $trigname = $this->trigPrefix.$seqname;
+ }
+
+ if (strlen($seqname) > 30) {
+ $seqname = $this->seqPrefix.uniqid('');
+ } // end if
+ if (strlen($trigname) > 30) {
+ $trigname = $this->trigPrefix.uniqid('');
+ } // end if
+
+ if (isset($tableoptions['REPLACE'])) $sql[] = "DROP SEQUENCE $seqname";
+ $seqCache = '';
+ if (isset($tableoptions['SEQUENCE_CACHE'])){$seqCache = $tableoptions['SEQUENCE_CACHE'];}
+ $seqIncr = '';
+ if (isset($tableoptions['SEQUENCE_INCREMENT'])){$seqIncr = ' INCREMENT BY '.$tableoptions['SEQUENCE_INCREMENT'];}
+ $seqStart = '';
+ if (isset($tableoptions['SEQUENCE_START'])){$seqIncr = ' START WITH '.$tableoptions['SEQUENCE_START'];}
+ $sql[] = "CREATE SEQUENCE $seqname $seqStart $seqIncr $seqCache";
+ $sql[] = "CREATE OR REPLACE TRIGGER $trigname BEFORE insert ON $tabname FOR EACH ROW WHEN (NEW.$this->seqField IS NULL OR NEW.$this->seqField = 0) BEGIN select $seqname.nextval into :new.$this->seqField from dual; END;";
+
+ $this->seqField = false;
+ return $sql;
+ }
+
+ /*
+ CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
+ [table_options] [select_statement]
+ create_definition:
+ col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
+ [PRIMARY KEY] [reference_definition]
+ or PRIMARY KEY (index_col_name,...)
+ or KEY [index_name] (index_col_name,...)
+ or INDEX [index_name] (index_col_name,...)
+ or UNIQUE [INDEX] [index_name] (index_col_name,...)
+ or FULLTEXT [INDEX] [index_name] (index_col_name,...)
+ or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
+ [reference_definition]
+ or CHECK (expr)
+ */
+
+
+
+ function _IndexSQL($idxname, $tabname, $flds,$idxoptions)
+ {
+ $sql = array();
+
+ if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
+ $sql[] = sprintf ($this->dropIndex, $idxname, $tabname);
+ if ( isset($idxoptions['DROP']) )
+ return $sql;
+ }
+
+ if ( empty ($flds) ) {
+ return $sql;
+ }
+
+ if (isset($idxoptions['BITMAP'])) {
+ $unique = ' BITMAP';
+ } elseif (isset($idxoptions['UNIQUE'])) {
+ $unique = ' UNIQUE';
+ } else {
+ $unique = '';
+ }
+
+ if ( is_array($flds) )
+ $flds = implode(', ',$flds);
+ $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' (' . $flds . ')';
+
+ if ( isset($idxoptions[$this->upperName]) )
+ $s .= $idxoptions[$this->upperName];
+
+ if (isset($idxoptions['oci8']))
+ $s .= $idxoptions['oci8'];
+
+
+ $sql[] = $s;
+
+ return $sql;
+ }
+
+ function GetCommentSQL($table,$col)
+ {
+ $table = $this->connection->qstr($table);
+ $col = $this->connection->qstr($col);
+ return "select comments from USER_COL_COMMENTS where TABLE_NAME=$table and COLUMN_NAME=$col";
+ }
+
+ function SetCommentSQL($table,$col,$cmt)
+ {
+ $cmt = $this->connection->qstr($cmt);
+ return "COMMENT ON COLUMN $table.$col IS $cmt";
+ }
+}
+?>
\ No newline at end of file
BGBM BDI Projects / geo.git / blobdiff