| 1 | <?php
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| 2 |
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| 3 | /**
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| 4 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
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| 5 | Released under both BSD license and Lesser GPL library license.
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| 6 | Whenever there is any discrepancy between the two licenses,
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| 7 | the BSD license will take precedence.
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| 8 |
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| 9 | Set tabs to 4 for best viewing.
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| 10 |
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| 11 | */
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| 12 |
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| 13 | class ADODB2_firebird extends ADODB_DataDict {
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| 14 |
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| 15 | var $databaseType = 'firebird';
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| 16 | var $seqField = false;
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| 17 | var $seqPrefix = 'gen_';
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| 18 | var $blobSize = 40000;
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| 19 |
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| 20 | function ActualType($meta)
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| 21 | {
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| 22 | switch($meta) {
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| 23 | case 'C': return 'VARCHAR';
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| 24 | case 'XL': return 'VARCHAR(32000)';
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| 25 | case 'X': return 'VARCHAR(4000)';
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| 26 |
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| 27 | case 'C2': return 'VARCHAR'; // up to 32K
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| 28 | case 'X2': return 'VARCHAR(4000)';
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| 29 |
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| 30 | case 'B': return 'BLOB';
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| 31 |
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| 32 | case 'D': return 'DATE';
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| 33 | case 'T': return 'TIMESTAMP';
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| 34 |
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| 35 | case 'L': return 'SMALLINT';
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| 36 | case 'I': return 'INTEGER';
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| 37 | case 'I1': return 'SMALLINT';
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| 38 | case 'I2': return 'SMALLINT';
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| 39 | case 'I4': return 'INTEGER';
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| 40 | case 'I8': return 'INTEGER';
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| 41 |
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| 42 | case 'F': return 'DOUBLE PRECISION';
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| 43 | case 'N': return 'DECIMAL';
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| 44 | default:
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| 45 | return $meta;
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | function NameQuote($name = NULL)
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| 50 | {
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| 51 | if (!is_string($name)) {
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| 52 | return FALSE;
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| 53 | }
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| 54 |
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| 55 | $name = trim($name);
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| 56 |
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| 57 | if ( !is_object($this->connection) ) {
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| 58 | return $name;
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| 59 | }
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| 60 |
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| 61 | $quote = $this->connection->nameQuote;
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| 62 |
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| 63 | // if name is of the form `name`, quote it
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| 64 | if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
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| 65 | return $quote . $matches[1] . $quote;
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| 66 | }
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| 67 |
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| 68 | // if name contains special characters, quote it
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| 69 | if ( !preg_match('/^[' . $this->nameRegex . ']+$/', $name) ) {
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| 70 | return $quote . $name . $quote;
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| 71 | }
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| 72 |
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| 73 | return $quote . $name . $quote;
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| 74 | }
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| 75 |
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| 76 | function CreateDatabase($dbname, $options=false)
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| 77 | {
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| 78 | $options = $this->_Options($options);
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| 79 | $sql = array();
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| 80 |
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| 81 | $sql[] = "DECLARE EXTERNAL FUNCTION LOWER CSTRING(80) RETURNS CSTRING(80) FREE_IT ENTRY_POINT 'IB_UDF_lower' MODULE_NAME 'ib_udf'";
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| 82 |
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| 83 | return $sql;
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| 84 | }
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| 85 |
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| 86 | function _DropAutoIncrement($t)
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| 87 | {
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| 88 | if (strpos($t,'.') !== false) {
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| 89 | $tarr = explode('.',$t);
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| 90 | return 'DROP GENERATOR '.$tarr[0].'."gen_'.$tarr[1].'"';
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| 91 | }
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| 92 | return 'DROP GENERATOR "GEN_'.$t;
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| 93 | }
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| 94 |
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| 95 |
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| 96 | function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
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| 97 | {
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| 98 | $suffix = '';
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| 99 |
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| 100 | if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
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| 101 | if ($fnotnull) $suffix .= ' NOT NULL';
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| 102 | if ($fautoinc) $this->seqField = $fname;
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| 103 | if ($fconstraint) $suffix .= ' '.$fconstraint;
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| 104 |
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| 105 | return $suffix;
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| 106 | }
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| 107 |
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| 108 | /*
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| 109 | CREATE or replace TRIGGER jaddress_insert
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| 110 | before insert on jaddress
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| 111 | for each row
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| 112 | begin
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| 113 | IF ( NEW."seqField" IS NULL OR NEW."seqField" = 0 ) THEN
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| 114 | NEW."seqField" = GEN_ID("GEN_tabname", 1);
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| 115 | end;
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| 116 | */
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| 117 | function _Triggers($tabname,$tableoptions)
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| 118 | {
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| 119 | if (!$this->seqField) return array();
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| 120 |
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| 121 | $tab1 = preg_replace( '/"/', '', $tabname );
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| 122 | if ($this->schema) {
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| 123 | $t = strpos($tab1,'.');
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| 124 | if ($t !== false) $tab = substr($tab1,$t+1);
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| 125 | else $tab = $tab1;
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| 126 | $seqField = $this->seqField;
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| 127 | $seqname = $this->schema.'.'.$this->seqPrefix.$tab;
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| 128 | $trigname = $this->schema.'.trig_'.$this->seqPrefix.$tab;
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| 129 | } else {
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| 130 | $seqField = $this->seqField;
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| 131 | $seqname = $this->seqPrefix.$tab1;
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| 132 | $trigname = 'trig_'.$seqname;
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| 133 | }
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| 134 | if (isset($tableoptions['REPLACE']))
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| 135 | { $sql[] = "DROP GENERATOR \"$seqname\"";
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| 136 | $sql[] = "CREATE GENERATOR \"$seqname\"";
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| 137 | $sql[] = "ALTER TRIGGER \"$trigname\" BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
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| 138 | }
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| 139 | else
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| 140 | { $sql[] = "CREATE GENERATOR \"$seqname\"";
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| 141 | $sql[] = "CREATE TRIGGER \"$trigname\" FOR $tabname BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
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| 142 | }
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| 143 |
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| 144 | $this->seqField = false;
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| 145 | return $sql;
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| 146 | }
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| 147 |
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| 148 | }
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| 149 |
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| 150 |
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| 151 | ?> |
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