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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\db\extractor; | |
| use phpbb\db\extractor\exception\extractor_not_initialized_exception; | |
| class oracle_extractor extends base_extractor | |
| { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function write_table($table_name) | |
| { | |
| if (!$this->is_initialized) | |
| { | |
| throw new extractor_not_initialized_exception(); | |
| } | |
| $sql_data = '-- Table: ' . $table_name . "\n"; | |
| $sql_data .= "DROP TABLE $table_name\n/\n"; | |
| $sql_data .= "\nCREATE TABLE $table_name (\n"; | |
| $sql = "SELECT COLUMN_NAME, DATA_TYPE, DATA_PRECISION, DATA_LENGTH, NULLABLE, DATA_DEFAULT | |
| FROM ALL_TAB_COLS | |
| WHERE table_name = '{$table_name}'"; | |
| $result = $this->db->sql_query($sql); | |
| $rows = array(); | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $line = ' "' . $row['column_name'] . '" ' . $row['data_type']; | |
| if ($row['data_type'] !== 'CLOB') | |
| { | |
| if ($row['data_type'] !== 'VARCHAR2' && $row['data_type'] !== 'CHAR') | |
| { | |
| $line .= '(' . $row['data_precision'] . ')'; | |
| } | |
| else | |
| { | |
| $line .= '(' . $row['data_length'] . ')'; | |
| } | |
| } | |
| if (!empty($row['data_default'])) | |
| { | |
| $line .= ' DEFAULT ' . $row['data_default']; | |
| } | |
| if ($row['nullable'] == 'N') | |
| { | |
| $line .= ' NOT NULL'; | |
| } | |
| $rows[] = $line; | |
| } | |
| $this->db->sql_freeresult($result); | |
| $sql = "SELECT A.CONSTRAINT_NAME, A.COLUMN_NAME | |
| FROM USER_CONS_COLUMNS A, USER_CONSTRAINTS B | |
| WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME | |
| AND B.CONSTRAINT_TYPE = 'P' | |
| AND A.TABLE_NAME = '{$table_name}'"; | |
| $result = $this->db->sql_query($sql); | |
| $primary_key = array(); | |
| $constraint_name = ''; | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $constraint_name = '"' . $row['constraint_name'] . '"'; | |
| $primary_key[] = '"' . $row['column_name'] . '"'; | |
| } | |
| $this->db->sql_freeresult($result); | |
| if (count($primary_key)) | |
| { | |
| $rows[] = " CONSTRAINT {$constraint_name} PRIMARY KEY (" . implode(', ', $primary_key) . ')'; | |
| } | |
| $sql = "SELECT A.CONSTRAINT_NAME, A.COLUMN_NAME | |
| FROM USER_CONS_COLUMNS A, USER_CONSTRAINTS B | |
| WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME | |
| AND B.CONSTRAINT_TYPE = 'U' | |
| AND A.TABLE_NAME = '{$table_name}'"; | |
| $result = $this->db->sql_query($sql); | |
| $unique = array(); | |
| $constraint_name = ''; | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $constraint_name = '"' . $row['constraint_name'] . '"'; | |
| $unique[] = '"' . $row['column_name'] . '"'; | |
| } | |
| $this->db->sql_freeresult($result); | |
| if (count($unique)) | |
| { | |
| $rows[] = " CONSTRAINT {$constraint_name} UNIQUE (" . implode(', ', $unique) . ')'; | |
| } | |
| $sql_data .= implode(",\n", $rows); | |
| $sql_data .= "\n)\n/\n"; | |
| $sql = "SELECT A.REFERENCED_NAME, C.* | |
| FROM USER_DEPENDENCIES A, USER_TRIGGERS B, USER_SEQUENCES C | |
| WHERE A.REFERENCED_TYPE = 'SEQUENCE' | |
| AND A.NAME = B.TRIGGER_NAME | |
| AND B.TABLE_NAME = '{$table_name}' | |
| AND C.SEQUENCE_NAME = A.REFERENCED_NAME"; | |
| $result = $this->db->sql_query($sql); | |
| $type = $this->request->variable('type', ''); | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $sql_data .= "\nDROP SEQUENCE \"{$row['referenced_name']}\"\n/\n"; | |
| $sql_data .= "\nCREATE SEQUENCE \"{$row['referenced_name']}\""; | |
| if ($type == 'full') | |
| { | |
| $sql_data .= ' START WITH ' . $row['last_number']; | |
| } | |
| $sql_data .= "\n/\n"; | |
| } | |
| $this->db->sql_freeresult($result); | |
| $sql = "SELECT DESCRIPTION, WHEN_CLAUSE, TRIGGER_BODY | |
| FROM USER_TRIGGERS | |
| WHERE TABLE_NAME = '{$table_name}'"; | |
| $result = $this->db->sql_query($sql); | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $sql_data .= "\nCREATE OR REPLACE TRIGGER {$row['description']}WHEN ({$row['when_clause']})\n{$row['trigger_body']}\n/\n"; | |
| } | |
| $this->db->sql_freeresult($result); | |
| $sql = "SELECT A.INDEX_NAME, B.COLUMN_NAME | |
| FROM USER_INDEXES A, USER_IND_COLUMNS B | |
| WHERE A.UNIQUENESS = 'NONUNIQUE' | |
| AND A.INDEX_NAME = B.INDEX_NAME | |
| AND B.TABLE_NAME = '{$table_name}'"; | |
| $result = $this->db->sql_query($sql); | |
| $index = array(); | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $index[$row['index_name']][] = $row['column_name']; | |
| } | |
| foreach ($index as $index_name => $column_names) | |
| { | |
| $sql_data .= "\nCREATE INDEX $index_name ON $table_name(" . implode(', ', $column_names) . ")\n/\n"; | |
| } | |
| $this->db->sql_freeresult($result); | |
| $this->flush($sql_data); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function write_data($table_name) | |
| { | |
| if (!$this->is_initialized) | |
| { | |
| throw new extractor_not_initialized_exception(); | |
| } | |
| $ary_type = $ary_name = array(); | |
| // Grab all of the data from current table. | |
| $sql = "SELECT * | |
| FROM $table_name"; | |
| $result = $this->db->sql_query($sql); | |
| $i_num_fields = ocinumcols($result); | |
| for ($i = 0; $i < $i_num_fields; $i++) | |
| { | |
| $ary_type[$i] = ocicolumntype($result, $i + 1); | |
| $ary_name[$i] = ocicolumnname($result, $i + 1); | |
| } | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $schema_vals = $schema_fields = array(); | |
| // Build the SQL statement to recreate the data. | |
| for ($i = 0; $i < $i_num_fields; $i++) | |
| { | |
| // Oracle uses uppercase - we use lowercase | |
| $str_val = $row[strtolower($ary_name[$i])]; | |
| if (preg_match('#char|text|bool|raw|clob#i', $ary_type[$i])) | |
| { | |
| $str_quote = ''; | |
| $str_empty = "''"; | |
| $str_val = sanitize_data_oracle($str_val); | |
| } | |
| else if (preg_match('#date|timestamp#i', $ary_type[$i])) | |
| { | |
| if (empty($str_val)) | |
| { | |
| $str_quote = ''; | |
| } | |
| else | |
| { | |
| $str_quote = "'"; | |
| } | |
| } | |
| else | |
| { | |
| $str_quote = ''; | |
| $str_empty = 'NULL'; | |
| } | |
| if (empty($str_val) && $str_val !== '0') | |
| { | |
| $str_val = $str_empty; | |
| } | |
| $schema_vals[$i] = $str_quote . $str_val . $str_quote; | |
| $schema_fields[$i] = '"' . $ary_name[$i] . '"'; | |
| } | |
| // Take the ordered fields and their associated data and build it | |
| // into a valid sql statement to recreate that field in the data. | |
| $sql_data = "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES (' . implode(', ', $schema_vals) . ")\n/\n"; | |
| $this->flush($sql_data); | |
| } | |
| $this->db->sql_freeresult($result); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function write_start($table_prefix) | |
| { | |
| if (!$this->is_initialized) | |
| { | |
| throw new extractor_not_initialized_exception(); | |
| } | |
| $sql_data = "--\n"; | |
| $sql_data .= "-- phpBB Backup Script\n"; | |
| $sql_data .= "-- Dump of tables for $table_prefix\n"; | |
| $sql_data .= "-- DATE : " . gmdate("d-m-Y H:i:s", $this->time) . " GMT\n"; | |
| $sql_data .= "--\n"; | |
| $this->flush($sql_data); | |
| } | |
| } |