type; $len = $fieldobj->max_length; } $is_serial = is_object($fieldobj) && $fieldobj->primary_key && $fieldobj->auto_increment; $len = -1; // mysql max_length is not accurate switch (strtoupper($t)) { case 'STRING': case 'CHAR': case 'VARCHAR': case 'TINYBLOB': case 'TINYTEXT': case 'ENUM': case 'SET': if ($len <= $this->blobSize) return 'C'; case 'TEXT': case 'LONGTEXT': case 'MEDIUMTEXT': return 'X'; // php_mysql extension always returns 'blob' even if 'text' // so we have to check whether binary... case 'IMAGE': case 'LONGBLOB': case 'BLOB': case 'MEDIUMBLOB': return !empty($fieldobj->binary) ? 'B' : 'X'; case 'YEAR': case 'DATE': return 'D'; case 'TIME': case 'DATETIME': case 'TIMESTAMP': return 'T'; case 'FLOAT': case 'DOUBLE': return 'F'; case 'INT': case 'INTEGER': return $is_serial ? 'R' : 'I'; case 'TINYINT': return $is_serial ? 'R' : 'I1'; case 'SMALLINT': return $is_serial ? 'R' : 'I2'; case 'MEDIUMINT': return $is_serial ? 'R' : 'I4'; case 'BIGINT': return $is_serial ? 'R' : 'I8'; default: return 'N'; } } function ActualType($meta) { switch(strtoupper($meta)) { case 'C': return 'VARCHAR'; case 'XL':return 'LONGTEXT'; case 'X': return 'TEXT'; case 'C2': return 'VARCHAR'; case 'X2': return 'LONGTEXT'; case 'B': return 'LONGBLOB'; case 'D': return 'DATE'; case 'TS': case 'T': return 'DATETIME'; case 'L': return 'TINYINT'; case 'R': case 'I4': case 'I': return 'INTEGER'; case 'I1': return 'TINYINT'; case 'I2': return 'SMALLINT'; case 'I8': return 'BIGINT'; case 'F': return 'DOUBLE'; case 'N': return 'NUMERIC'; default: return $meta; } } // return string must begin with space function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned) { $suffix = ''; if ($funsigned) $suffix .= ' UNSIGNED'; if ($fnotnull) $suffix .= ' NOT NULL'; if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; if ($fautoinc) $suffix .= ' AUTO_INCREMENT'; if ($fconstraint) $suffix .= ' '.$fconstraint; return $suffix; } /* CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [select_statement] create_definition: col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] [PRIMARY KEY] [reference_definition] or PRIMARY KEY (index_col_name,...) or KEY [index_name] (index_col_name,...) or INDEX [index_name] (index_col_name,...) or UNIQUE [INDEX] [index_name] (index_col_name,...) or FULLTEXT [INDEX] [index_name] (index_col_name,...) or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) [reference_definition] or CHECK (expr) */ /* CREATE [UNIQUE|FULLTEXT] INDEX index_name ON tbl_name (col_name[(length)],... ) */ function _IndexSQL($idxname, $tabname, $flds, $idxoptions) { $sql = array(); if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) { if ($this->alterTableAddIndex) $sql[] = "ALTER TABLE $tabname DROP INDEX $idxname"; else $sql[] = sprintf($this->dropIndex, $idxname, $tabname); if ( isset($idxoptions['DROP']) ) return $sql; } if ( empty ($flds) ) { return $sql; } if (isset($idxoptions['FULLTEXT'])) { $unique = ' FULLTEXT'; } elseif (isset($idxoptions['UNIQUE'])) { $unique = ' UNIQUE'; } else { $unique = ''; } if ( is_array($flds) ) $flds = implode(', ',$flds); if ($this->alterTableAddIndex) $s = "ALTER TABLE $tabname ADD $unique INDEX $idxname "; else $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname; $s .= ' (' . $flds . ')'; if ( isset($idxoptions[$this->upperName]) ) $s .= $idxoptions[$this->upperName]; $sql[] = $s; return $sql; } }