initial checkin

1 files changed, 484 insertions, 0 deletions

diff --git a/vendor/adodb/adodb-php/datadict/datadict-postgres.inc.php b/vendor/adodb/adodb-php/datadict/datadict-postgres.inc.php
new file mode 100644
index 0000000..b1a9355
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+++ b/vendor/adodb/adodb-php/datadict/datadict-postgres.inc.php
@@ -0,0 +1,484 @@
+<?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.
+
+*/
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+class ADODB2_postgres extends ADODB_DataDict {
+
+	var $databaseType = 'postgres';
+	var $seqField = false;
+	var $seqPrefix = 'SEQ_';
+	var $addCol = ' ADD COLUMN';
+	var $quote = '"';
+	var $renameTable = 'ALTER TABLE %s RENAME TO %s'; // at least since 7.1
+	var $dropTable = 'DROP TABLE %s CASCADE';
+
+	function MetaType($t,$len=-1,$fieldobj=false)
+	{
+		if (is_object($t)) {
+			$fieldobj = $t;
+			$t = $fieldobj->type;
+			$len = $fieldobj->max_length;
+		}
+		$is_serial = is_object($fieldobj) && !empty($fieldobj->primary_key) && !empty($fieldobj->unique) &&
+			!empty($fieldobj->has_default) && substr($fieldobj->default_value,0,8) == 'nextval(';
+
+		switch (strtoupper($t)) {
+			case 'INTERVAL':
+			case 'CHAR':
+			case 'CHARACTER':
+			case 'VARCHAR':
+			case 'NAME':
+	   		case 'BPCHAR':
+				if ($len <= $this->blobSize) return 'C';
+
+			case 'TEXT':
+				return 'X';
+
+			case 'IMAGE': // user defined type
+			case 'BLOB': // user defined type
+			case 'BIT':	// This is a bit string, not a single bit, so don't return 'L'
+			case 'VARBIT':
+			case 'BYTEA':
+				return 'B';
+
+			case 'BOOL':
+			case 'BOOLEAN':
+				return 'L';
+
+			case 'DATE':
+				return 'D';
+
+			case 'TIME':
+			case 'DATETIME':
+			case 'TIMESTAMP':
+			case 'TIMESTAMPTZ':
+				return 'T';
+
+			case 'INTEGER': return !$is_serial ? 'I' : 'R';
+			case 'SMALLINT':
+			case 'INT2': return !$is_serial ? 'I2' : 'R';
+			case 'INT4': return !$is_serial ? 'I4' : 'R';
+			case 'BIGINT':
+			case 'INT8': return !$is_serial ? 'I8' : 'R';
+
+			case 'OID':
+			case 'SERIAL':
+				return 'R';
+
+			case 'FLOAT4':
+			case 'FLOAT8':
+			case 'DOUBLE PRECISION':
+			case 'REAL':
+				return 'F';
+
+			 default:
+			 	return 'N';
+		}
+	}
+
+ 	function ActualType($meta)
+	{
+		switch($meta) {
+		case 'C': return 'VARCHAR';
+		case 'XL':
+		case 'X': return 'TEXT';
+
+		case 'C2': return 'VARCHAR';
+		case 'X2': return 'TEXT';
+
+		case 'B': return 'BYTEA';
+
+		case 'D': return 'DATE';
+		case 'TS':
+		case 'T': return 'TIMESTAMP';
+
+		case 'L': return 'BOOLEAN';
+		case 'I': return 'INTEGER';
+		case 'I1': return 'SMALLINT';
+		case 'I2': return 'INT2';
+		case 'I4': return 'INT4';
+		case 'I8': return 'INT8';
+
+		case 'F': return 'FLOAT8';
+		case 'N': return 'NUMERIC';
+		default:
+			return $meta;
+		}
+	}
+
+	/**
+	 * Adding a new Column
+	 *
+	 * reimplementation of the default function as postgres does NOT allow to set the default in the same statement
+	 *
+	 * @param string $tabname table-name
+	 * @param string $flds column-names and types for the changed columns
+	 * @return array with SQL strings
+	 */
+	function AddColumnSQL($tabname, $flds)
+	{
+		$tabname = $this->TableName ($tabname);
+		$sql = array();
+		$not_null = false;
+		list($lines,$pkey) = $this->_GenFields($flds);
+		$alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' ';
+		foreach($lines as $v) {
+			if (($not_null = preg_match('/NOT NULL/i',$v))) {
+				$v = preg_replace('/NOT NULL/i','',$v);
+			}
+			if (preg_match('/^([^ ]+) .*DEFAULT (\'[^\']+\'|\"[^\"]+\"|[^ ]+)/',$v,$matches)) {
+				list(,$colname,$default) = $matches;
+				$sql[] = $alter . str_replace('DEFAULT '.$default,'',$v);
+				$sql[] = 'UPDATE '.$tabname.' SET '.$colname.'='.$default;
+				$sql[] = 'ALTER TABLE '.$tabname.' ALTER COLUMN '.$colname.' SET DEFAULT ' . $default;
+			} else {
+				$sql[] = $alter . $v;
+			}
+			if ($not_null) {
+				list($colname) = explode(' ',$v);
+				$sql[] = 'ALTER TABLE '.$tabname.' ALTER COLUMN '.$colname.' SET NOT NULL';
+			}
+		}
+		return $sql;
+	}
+
+
+	function DropIndexSQL ($idxname, $tabname = NULL)
+	{
+	   return array(sprintf($this->dropIndex, $this->TableName($idxname), $this->TableName($tabname)));
+	}
+
+	/**
+	 * Change the definition of one column
+	 *
+	 * Postgres can't do that on it's own, you need to supply the complete defintion of the new table,
+	 * to allow, recreating the table and copying the content over to the new table
+	 * @param string $tabname table-name
+	 * @param string $flds column-name and type for the changed column
+	 * @param string $tableflds complete defintion of the new table, eg. for postgres, default ''
+	 * @param array/ $tableoptions options for the new table see CreateTableSQL, default ''
+	 * @return array with SQL strings
+	 */
+	 /*
+	function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
+	{
+		if (!$tableflds) {
+			if ($this->debug) ADOConnection::outp("AlterColumnSQL needs a complete table-definiton for PostgreSQL");
+			return array();
+		}
+		return $this->_recreate_copy_table($tabname,False,$tableflds,$tableoptions);
+	}*/
+
+	function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
+	{
+		// Check if alter single column datatype available - works with 8.0+
+		$has_alter_column = 8.0 <= (float) @$this->serverInfo['version'];
+
+		if ($has_alter_column) {
+			$tabname = $this->TableName($tabname);
+			$sql = array();
+			list($lines,$pkey) = $this->_GenFields($flds);
+			$set_null = false;
+			foreach($lines as $v) {
+				$alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' ';
+				if ($not_null = preg_match('/NOT NULL/i',$v)) {
+					$v = preg_replace('/NOT NULL/i','',$v);
+				}
+				 // this next block doesn't work - there is no way that I can see to
+				 // explicitly ask a column to be null using $flds
+				else if ($set_null = preg_match('/NULL/i',$v)) {
+					// if they didn't specify not null, see if they explicitely asked for null
+					// Lookbehind pattern covers the case 'fieldname NULL datatype DEFAULT NULL'
+					// only the first NULL should be removed, not the one specifying
+					// the default value
+					$v = preg_replace('/(?<!DEFAULT)\sNULL/i','',$v);
+				}
+
+				if (preg_match('/^([^ ]+) .*DEFAULT (\'[^\']+\'|\"[^\"]+\"|[^ ]+)/',$v,$matches)) {
+					$existing = $this->MetaColumns($tabname);
+					list(,$colname,$default) = $matches;
+					$alter .= $colname;
+					if ($this->connection) {
+						$old_coltype = $this->connection->MetaType($existing[strtoupper($colname)]);
+					}
+					else {
+						$old_coltype = $t;
+					}
+					$v = preg_replace('/^' . preg_quote($colname) . '\s/', '', $v);
+					$t = trim(str_replace('DEFAULT '.$default,'',$v));
+
+					// Type change from bool to int
+					if ( $old_coltype == 'L' && $t == 'INTEGER' ) {
+						$sql[] = $alter . ' DROP DEFAULT';
+						$sql[] = $alter . " TYPE $t USING ($colname::BOOL)::INT";
+						$sql[] = $alter . " SET DEFAULT $default";
+					}
+					// Type change from int to bool
+					else if ( $old_coltype == 'I' && $t == 'BOOLEAN' ) {
+						if( strcasecmp('NULL', trim($default)) != 0 ) {
+							$default = $this->connection->qstr($default);
+						}
+						$sql[] = $alter . ' DROP DEFAULT';
+						$sql[] = $alter . " TYPE $t USING CASE WHEN $colname = 0 THEN false ELSE true END";
+						$sql[] = $alter . " SET DEFAULT $default";
+					}
+					// Any other column types conversion
+					else {
+						$sql[] = $alter . " TYPE $t";
+						$sql[] = $alter . " SET DEFAULT $default";
+					}
+
+				}
+				else {
+					// drop default?
+					preg_match ('/^\s*(\S+)\s+(.*)$/',$v,$matches);
+					list (,$colname,$rest) = $matches;
+					$alter .= $colname;
+					$sql[] = $alter . ' TYPE ' . $rest;
+				}
+
+#				list($colname) = explode(' ',$v);
+				if ($not_null) {
+					// this does not error out if the column is already not null
+					$sql[] = $alter . ' SET NOT NULL';
+				}
+				if ($set_null) {
+					// this does not error out if the column is already null
+					$sql[] = $alter . ' DROP NOT NULL';
+				}
+			}
+			return $sql;
+		}
+
+		// does not have alter column
+		if (!$tableflds) {
+			if ($this->debug) ADOConnection::outp("AlterColumnSQL needs a complete table-definiton for PostgreSQL");
+			return array();
+		}
+		return $this->_recreate_copy_table($tabname,False,$tableflds,$tableoptions);
+	}
+
+	/**
+	 * Drop one column
+	 *
+	 * Postgres < 7.3 can't do that on it's own, you need to supply the complete defintion of the new table,
+	 * to allow, recreating the table and copying the content over to the new table
+	 * @param string $tabname table-name
+	 * @param string $flds column-name and type for the changed column
+	 * @param string $tableflds complete defintion of the new table, eg. for postgres, default ''
+	 * @param array/ $tableoptions options for the new table see CreateTableSQL, default ''
+	 * @return array with SQL strings
+	 */
+	function DropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
+	{
+		$has_drop_column = 7.3 <= (float) @$this->serverInfo['version'];
+		if (!$has_drop_column && !$tableflds) {
+			if ($this->debug) ADOConnection::outp("DropColumnSQL needs complete table-definiton for PostgreSQL < 7.3");
+		return array();
+	}
+		if ($has_drop_column) {
+			return ADODB_DataDict::DropColumnSQL($tabname, $flds);
+		}
+		return $this->_recreate_copy_table($tabname,$flds,$tableflds,$tableoptions);
+	}
+
+	/**
+	 * Save the content into a temp. table, drop and recreate the original table and copy the content back in
+	 *
+	 * We also take care to set the values of the sequenz and recreate the indexes.
+	 * All this is done in a transaction, to not loose the content of the table, if something went wrong!
+	 * @internal
+	 * @param string $tabname table-name
+	 * @param string $dropflds column-names to drop
+	 * @param string $tableflds complete defintion of the new table, eg. for postgres
+	 * @param array/string $tableoptions options for the new table see CreateTableSQL, default ''
+	 * @return array with SQL strings
+	 */
+	function _recreate_copy_table($tabname,$dropflds,$tableflds,$tableoptions='')
+	{
+		if ($dropflds && !is_array($dropflds)) $dropflds = explode(',',$dropflds);
+		$copyflds = array();
+		foreach($this->MetaColumns($tabname) as $fld) {
+			if (!$dropflds || !in_array($fld->name,$dropflds)) {
+				// we need to explicit convert varchar to a number to be able to do an AlterColumn of a char column to a nummeric one
+				if (preg_match('/'.$fld->name.' (I|I2|I4|I8|N|F)/i',$tableflds,$matches) &&
+					in_array($fld->type,array('varchar','char','text','bytea'))) {
+					$copyflds[] = "to_number($fld->name,'S9999999999999D99')";
+				} else {
+					$copyflds[] = $fld->name;
+				}
+				// identify the sequence name and the fld its on
+				if ($fld->primary_key && $fld->has_default &&
+					preg_match("/nextval\('([^']+)'::text\)/",$fld->default_value,$matches)) {
+					$seq_name = $matches[1];
+					$seq_fld = $fld->name;
+				}
+			}
+		}
+		$copyflds = implode(', ',$copyflds);
+
+		$tempname = $tabname.'_tmp';
+		$aSql[] = 'BEGIN';		// we use a transaction, to make sure not to loose the content of the table
+		$aSql[] = "SELECT * INTO TEMPORARY TABLE $tempname FROM $tabname";
+		$aSql = array_merge($aSql,$this->DropTableSQL($tabname));
+		$aSql = array_merge($aSql,$this->CreateTableSQL($tabname,$tableflds,$tableoptions));
+		$aSql[] = "INSERT INTO $tabname SELECT $copyflds FROM $tempname";
+		if ($seq_name && $seq_fld) {	// if we have a sequence we need to set it again
+			$seq_name = $tabname.'_'.$seq_fld.'_seq';	// has to be the name of the new implicit sequence
+			$aSql[] = "SELECT setval('$seq_name',MAX($seq_fld)) FROM $tabname";
+		}
+		$aSql[] = "DROP TABLE $tempname";
+		// recreate the indexes, if they not contain one of the droped columns
+		foreach($this->MetaIndexes($tabname) as $idx_name => $idx_data)
+		{
+			if (substr($idx_name,-5) != '_pkey' && (!$dropflds || !count(array_intersect($dropflds,$idx_data['columns'])))) {
+				$aSql = array_merge($aSql,$this->CreateIndexSQL($idx_name,$tabname,$idx_data['columns'],
+					$idx_data['unique'] ? array('UNIQUE') : False));
+			}
+		}
+		$aSql[] = 'COMMIT';
+		return $aSql;
+	}
+
+	function DropTableSQL($tabname)
+	{
+		$sql = ADODB_DataDict::DropTableSQL($tabname);
+
+		$drop_seq = $this->_DropAutoIncrement($tabname);
+		if ($drop_seq) $sql[] = $drop_seq;
+
+		return $sql;
+	}
+
+	// return string must begin with space
+	function _CreateSuffix($fname, &$ftype, $fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
+	{
+		if ($fautoinc) {
+			$ftype = 'SERIAL';
+			return '';
+		}
+		$suffix = '';
+		if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
+		if ($fnotnull) $suffix .= ' NOT NULL';
+		if ($fconstraint) $suffix .= ' '.$fconstraint;
+		return $suffix;
+	}
+
+	// search for a sequece for the given table (asumes the seqence-name contains the table-name!)
+	// if yes return sql to drop it
+	// this is still necessary if postgres < 7.3 or the SERIAL was created on an earlier version!!!
+	function _DropAutoIncrement($tabname)
+	{
+		$tabname = $this->connection->quote('%'.$tabname.'%');
+
+		$seq = $this->connection->GetOne("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relname LIKE $tabname AND relkind='S'");
+
+		// check if a tables depends on the sequenz and it therefor cant and dont need to be droped separatly
+		if (!$seq || $this->connection->GetOne("SELECT relname FROM pg_class JOIN pg_depend ON pg_class.relfilenode=pg_depend.objid WHERE relname='$seq' AND relkind='S' AND deptype='i'")) {
+			return False;
+		}
+		return "DROP SEQUENCE ".$seq;
+	}
+
+	function RenameTableSQL($tabname,$newname)
+	{
+		if (!empty($this->schema)) {
+			$rename_from = $this->TableName($tabname);
+			$schema_save = $this->schema;
+			$this->schema = false;
+			$rename_to = $this->TableName($newname);
+			$this->schema = $schema_save;
+			return array (sprintf($this->renameTable, $rename_from, $rename_to));
+		}
+
+		return array (sprintf($this->renameTable, $this->TableName($tabname),$this->TableName($newname)));
+	}
+
+	/*
+	CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name (
+	{ column_name data_type [ DEFAULT default_expr ] [ column_constraint [, ... ] ]
+	| table_constraint } [, ... ]
+	)
+	[ INHERITS ( parent_table [, ... ] ) ]
+	[ WITH OIDS | WITHOUT OIDS ]
+	where column_constraint is:
+	[ CONSTRAINT constraint_name ]
+	{ NOT NULL | NULL | UNIQUE | PRIMARY KEY |
+	CHECK (expression) |
+	REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ]
+	[ ON DELETE action ] [ ON UPDATE action ] }
+	[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
+	and table_constraint is:
+	[ CONSTRAINT constraint_name ]
+	{ UNIQUE ( column_name [, ... ] ) |
+	PRIMARY KEY ( column_name [, ... ] ) |
+	CHECK ( expression ) |
+	FOREIGN KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ... ] ) ]
+	[ MATCH FULL | MATCH PARTIAL ] [ ON DELETE action ] [ ON UPDATE action ] }
+	[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
+	*/
+
+
+	/*
+	CREATE [ UNIQUE ] INDEX index_name ON table
+[ USING acc_method ] ( column [ ops_name ] [, ...] )
+[ WHERE predicate ]
+CREATE [ UNIQUE ] INDEX index_name ON table
+[ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] )
+[ WHERE predicate ]
+	*/
+	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' : '';
+
+		$s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' ';
+
+		if (isset($idxoptions['HASH']))
+			$s .= 'USING HASH ';
+
+		if ( isset($idxoptions[$this->upperName]) )
+			$s .= $idxoptions[$this->upperName];
+
+		if ( is_array($flds) )
+			$flds = implode(', ',$flds);
+		$s .= '(' . $flds . ')';
+		$sql[] = $s;
+
+		return $sql;
+	}
+
+	function _GetSize($ftype, $ty, $fsize, $fprec)
+	{
+		if (strlen($fsize) && $ty != 'X' && $ty != 'B' && $ty  != 'I' && strpos($ftype,'(') === false) {
+			$ftype .= "(".$fsize;
+			if (strlen($fprec)) $ftype .= ",".$fprec;
+			$ftype .= ')';
+		}
+		return $ftype;
+	}
+}