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+<?php
+
+/**
+ @version v5.20.14 06-Jan-2019
+ @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
+ @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
+ 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.
+
+*/
+
+/*
+In ADOdb, named quotes for MS SQL Server use ". From the MSSQL Docs:
+
+ Note Delimiters are for identifiers only. Delimiters cannot be used for keywords,
+ whether or not they are marked as reserved in SQL Server.
+
+ Quoted identifiers are delimited by double quotation marks ("):
+ SELECT * FROM "Blanks in Table Name"
+
+ Bracketed identifiers are delimited by brackets ([ ]):
+ SELECT * FROM [Blanks In Table Name]
+
+ Quoted identifiers are valid only when the QUOTED_IDENTIFIER option is set to ON. By default,
+ the Microsoft OLE DB Provider for SQL Server and SQL Server ODBC driver set QUOTED_IDENTIFIER ON
+ when they connect.
+
+ In Transact-SQL, the option can be set at various levels using SET QUOTED_IDENTIFIER,
+ the quoted identifier option of sp_dboption, or the user options option of sp_configure.
+
+ When SET ANSI_DEFAULTS is ON, SET QUOTED_IDENTIFIER is enabled.
+
+ Syntax
+
+ SET QUOTED_IDENTIFIER { ON | OFF }
+
+
+*/
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+class ADODB2_mssql extends ADODB_DataDict {
+ var $databaseType = 'mssql';
+ var $dropIndex = 'DROP INDEX %2$s.%1$s';
+ var $renameTable = "EXEC sp_rename '%s','%s'";
+ var $renameColumn = "EXEC sp_rename '%s.%s','%s'";
+
+ var $typeX = 'TEXT'; ## Alternatively, set it to VARCHAR(4000)
+ var $typeXL = 'TEXT';
+
+ //var $alterCol = ' ALTER COLUMN ';
+
+ function MetaType($t,$len=-1,$fieldobj=false)
+ {
+ if (is_object($t)) {
+ $fieldobj = $t;
+ $t = $fieldobj->type;
+ $len = $fieldobj->max_length;
+ }
+
+ $len = -1; // mysql max_length is not accurate
+ switch (strtoupper($t)) {
+ case 'R':
+ case 'INT':
+ case 'INTEGER': return 'I';
+ case 'BIT':
+ case 'TINYINT': return 'I1';
+ case 'SMALLINT': return 'I2';
+ case 'BIGINT': return 'I8';
+ case 'SMALLDATETIME': return 'T';
+ case 'REAL':
+ case 'FLOAT': return 'F';
+ default: return parent::MetaType($t,$len,$fieldobj);
+ }
+ }
+
+ function ActualType($meta)
+ {
+ switch(strtoupper($meta)) {
+
+ case 'C': return 'VARCHAR';
+ case 'XL': return (isset($this)) ? $this->typeXL : 'TEXT';
+ case 'X': return (isset($this)) ? $this->typeX : 'TEXT'; ## could be varchar(8000), but we want compat with oracle
+ case 'C2': return 'NVARCHAR';
+ case 'X2': return 'NTEXT';
+
+ case 'B': return 'IMAGE';
+
+ case 'D': return 'DATETIME';
+
+ case 'TS':
+ case 'T': return 'DATETIME';
+ case 'L': return 'BIT';
+
+ case 'R':
+ case 'I': return 'INT';
+ case 'I1': return 'TINYINT';
+ case 'I2': return 'SMALLINT';
+ case 'I4': return 'INT';
+ case 'I8': return 'BIGINT';
+
+ case 'F': return 'REAL';
+ case 'N': return 'NUMERIC';
+ default:
+ return $meta;
+ }
+ }
+
+
+ function AddColumnSQL($tabname, $flds)
+ {
+ $tabname = $this->TableName ($tabname);
+ $f = array();
+ list($lines,$pkey) = $this->_GenFields($flds);
+ $s = "ALTER TABLE $tabname $this->addCol";
+ foreach($lines as $v) {
+ $f[] = "\n $v";
+ }
+ $s .= implode(', ',$f);
+ $sql[] = $s;
+ return $sql;
+ }
+
+ /*
+ function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
+ {
+ $tabname = $this->TableName ($tabname);
+ $sql = array();
+ list($lines,$pkey) = $this->_GenFields($flds);
+ foreach($lines as $v) {
+ $sql[] = "ALTER TABLE $tabname $this->alterCol $v";
+ }
+
+ return $sql;
+ }
+ */
+
+ function DropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
+ {
+ $tabname = $this->TableName ($tabname);
+ if (!is_array($flds))
+ $flds = explode(',',$flds);
+ $f = array();
+ $s = 'ALTER TABLE ' . $tabname;
+ foreach($flds as $v) {
+ $f[] = "\n$this->dropCol ".$this->NameQuote($v);
+ }
+ $s .= implode(', ',$f);
+ $sql[] = $s;
+ return $sql;
+ }
+
+ // return string must begin with space
+ function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
+ {
+ $suffix = '';
+ if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
+ if ($fautoinc) $suffix .= ' IDENTITY(1,1)';
+ if ($fnotnull) $suffix .= ' NOT NULL';
+ else if ($suffix == '') $suffix .= ' NULL';
+ if ($fconstraint) $suffix .= ' '.$fconstraint;
+ return $suffix;
+ }
+
+ /*
+CREATE TABLE
+ [ database_name.[ owner ] . | owner. ] table_name
+ ( { < column_definition >
+ | column_name AS computed_column_expression
+ | < table_constraint > ::= [ CONSTRAINT constraint_name ] }
+
+ | [ { PRIMARY KEY | UNIQUE } [ ,...n ]
+ )
+
+[ ON { filegroup | DEFAULT } ]
+[ TEXTIMAGE_ON { filegroup | DEFAULT } ]
+
+< column_definition > ::= { column_name data_type }
+ [ COLLATE < collation_name > ]
+ [ [ DEFAULT constant_expression ]
+ | [ IDENTITY [ ( seed , increment ) [ NOT FOR REPLICATION ] ] ]
+ ]
+ [ ROWGUIDCOL]
+ [ < column_constraint > ] [ ...n ]
+
+< column_constraint > ::= [ CONSTRAINT constraint_name ]
+ { [ NULL | NOT NULL ]
+ | [ { PRIMARY KEY | UNIQUE }
+ [ CLUSTERED | NONCLUSTERED ]
+ [ WITH FILLFACTOR = fillfactor ]
+ [ON {filegroup | DEFAULT} ] ]
+ ]
+ | [ [ FOREIGN KEY ]
+ REFERENCES ref_table [ ( ref_column ) ]
+ [ ON DELETE { CASCADE | NO ACTION } ]
+ [ ON UPDATE { CASCADE | NO ACTION } ]
+ [ NOT FOR REPLICATION ]
+ ]
+ | CHECK [ NOT FOR REPLICATION ]
+ ( logical_expression )
+ }
+
+< table_constraint > ::= [ CONSTRAINT constraint_name ]
+ { [ { PRIMARY KEY | UNIQUE }
+ [ CLUSTERED | NONCLUSTERED ]
+ { ( column [ ASC | DESC ] [ ,...n ] ) }
+ [ WITH FILLFACTOR = fillfactor ]
+ [ ON { filegroup | DEFAULT } ]
+ ]
+ | FOREIGN KEY
+ [ ( column [ ,...n ] ) ]
+ REFERENCES ref_table [ ( ref_column [ ,...n ] ) ]
+ [ ON DELETE { CASCADE | NO ACTION } ]
+ [ ON UPDATE { CASCADE | NO ACTION } ]
+ [ NOT FOR REPLICATION ]
+ | CHECK [ NOT FOR REPLICATION ]
+ ( search_conditions )
+ }
+
+
+ */
+
+ /*
+ CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name
+ ON { table | view } ( column [ ASC | DESC ] [ ,...n ] )
+ [ WITH < index_option > [ ,...n] ]
+ [ ON filegroup ]
+ < index_option > :: =
+ { PAD_INDEX |
+ FILLFACTOR = fillfactor |
+ IGNORE_DUP_KEY |
+ DROP_EXISTING |
+ STATISTICS_NORECOMPUTE |
+ SORT_IN_TEMPDB
+ }
+*/
+ function _IndexSQL($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;
+ }
+
+ $unique = isset($idxoptions['UNIQUE']) ? ' UNIQUE' : '';
+ $clustered = isset($idxoptions['CLUSTERED']) ? ' CLUSTERED' : '';
+
+ if ( is_array($flds) )
+ $flds = implode(', ',$flds);
+ $s = 'CREATE' . $unique . $clustered . ' INDEX ' . $idxname . ' ON ' . $tabname . ' (' . $flds . ')';
+
+ if ( isset($idxoptions[$this->upperName]) )
+ $s .= $idxoptions[$this->upperName];
+
+
+ $sql[] = $s;
+
+ return $sql;
+ }
+
+
+ function _GetSize($ftype, $ty, $fsize, $fprec)
+ {
+ switch ($ftype) {
+ case 'INT':
+ case 'SMALLINT':
+ case 'TINYINT':
+ case 'BIGINT':
+ return $ftype;
+ }
+ if ($ty == 'T') return $ftype;
+ return parent::_GetSize($ftype, $ty, $fsize, $fprec);
+
+ }
+}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-27 18:58:06 +0000