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<?php |
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namespace Lagdo\DbAdmin\Driver\PgSql\Db; |
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use Lagdo\DbAdmin\Driver\Entity\TableEntity; |
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use function substr; |
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use function implode; |
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use function array_merge; |
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use function strtoupper; |
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use function array_map; |
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trait DatabaseTrait |
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{ |
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/** |
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* @param TableEntity $tableAttrs |
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* @param array $queries |
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* |
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* @return void |
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*/ |
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private function _getRenameColumnQueries(TableEntity $tableAttrs, array &$queries) |
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{ |
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foreach ($tableAttrs->edited as $field) { |
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$column = $this->driver->escapeId($field[0]); |
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$val = $field[1]; |
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$val5 = $val[5] ?? ''; |
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if ($val[0] !== '' && $column !== $val[0]) { |
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$queries[] = 'ALTER TABLE ' . $this->driver->escapeTableName($tableAttrs->name) . " RENAME $column TO $val[0]"; |
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} |
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if ($column !== '' || $val5 !== '') { |
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$queries[] = 'COMMENT ON COLUMN ' . $this->driver->escapeTableName($tableAttrs->name) . |
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".$val[0] IS " . ($val5 !== '' ? substr($val5, 9) : "''"); |
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} |
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} |
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} |
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/** |
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* @param TableEntity $tableAttrs |
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* @param array $queries |
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* |
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* @return void |
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*/ |
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private function _getColumnCommentQueries(TableEntity $tableAttrs, array &$queries) |
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{ |
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foreach ($tableAttrs->fields as $field) { |
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$column = $this->driver->escapeId($field[0]); |
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$val = $field[1]; |
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$val5 = $val[5] ?? ''; |
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if ($column !== '' || $val5 !== '') { |
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$queries[] = 'COMMENT ON COLUMN ' . $this->driver->escapeTableName($tableAttrs->name) . |
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".$val[0] IS " . ($val5 !== '' ? substr($val5, 9) : "''"); |
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} |
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} |
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} |
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/** |
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* Get queries to create or alter table. |
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* |
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* @param TableEntity $tableAttrs |
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* |
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* @return array |
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*/ |
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private function getQueries(TableEntity $tableAttrs): array |
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{ |
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$queries = []; |
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$this->_getRenameColumnQueries($tableAttrs, $queries); |
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$this->_getColumnCommentQueries($tableAttrs, $queries); |
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if ($tableAttrs->comment !== '') { |
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$queries[] = 'COMMENT ON TABLE ' . $this->driver->escapeTableName($tableAttrs->name) . |
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' IS ' . $this->driver->quote($tableAttrs->comment); |
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} |
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return $queries; |
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} |
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/** |
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* Get queries to create or alter table. |
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* |
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* @param TableEntity $tableAttrs |
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* |
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* @return array |
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*/ |
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private function getNewColumns(TableEntity $tableAttrs): array |
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{ |
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$columns = []; |
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foreach ($tableAttrs->fields as $field) { |
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$val = $field[1]; |
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if (isset($val[6])) { // auto increment |
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$val[1] = ($val[1] === ' bigint' ? ' big' : ($val[1] === ' smallint' ? ' small' : ' ')) . 'serial'; |
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} |
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$columns[] = implode($val); |
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if (isset($val[6])) { |
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$columns[] = " PRIMARY KEY ($val[0])"; |
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} |
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} |
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return $columns; |
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} |
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/** |
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* @param TableEntity $tableAttrs |
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* @param array $columns |
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* |
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* @return void |
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*/ |
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private function _getCreateColumnQueries(TableEntity $tableAttrs, array &$columns) |
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{ |
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foreach ($tableAttrs->fields as $field) { |
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$val = $field[1]; |
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if (isset($val[6])) { // auto increment |
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$val[1] = ($val[1] === ' bigint' ? ' big' : ($val[1] === ' smallint' ? ' small' : ' ')) . 'serial'; |
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} |
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$columns[] = 'ADD ' . implode($val); |
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if (isset($val[6])) { |
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$columns[] = "ADD PRIMARY KEY ($val[0])"; |
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} |
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} |
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} |
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/** |
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* @param TableEntity $tableAttrs |
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* @param array $columns |
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* |
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* @return void |
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*/ |
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private function _getAlterColumnQueries(TableEntity $tableAttrs, array &$columns) |
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{ |
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foreach ($tableAttrs->edited as $field) { |
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$column = $this->driver->escapeId($field[0]); |
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$val = $field[1]; |
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$columns[] = "ALTER $column TYPE$val[1]"; |
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if (!$val[6]) { |
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$columns[] = "ALTER $column " . ($val[3] ? "SET$val[3]" : 'DROP DEFAULT'); |
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$columns[] = "ALTER $column " . ($val[2] === ' NULL' ? 'DROP NOT' : 'SET') . $val[2]; |
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} |
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} |
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} |
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/** |
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* Get queries to create or alter table. |
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* |
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* @param TableEntity $tableAttrs |
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* |
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* @return array |
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*/ |
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private function getColumnChanges(TableEntity $tableAttrs): array |
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{ |
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$columns = []; |
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$this->_getCreateColumnQueries($tableAttrs, $columns); |
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$this->_getAlterColumnQueries($tableAttrs, $columns); |
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foreach ($tableAttrs->dropped as $column) { |
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$columns[] = 'DROP ' . $this->driver->escapeId($column); |
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} |
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return $columns; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function moveTables(array $tables, array $views, string $target) |
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{ |
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foreach (array_merge($tables, $views) as $table) { |
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$status = $this->driver->tableStatus($table); |
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if (!$this->driver->execute('ALTER ' . strtoupper($status->engine) . ' ' . |
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$this->driver->escapeTableName($table) . ' SET SCHEMA ' . $this->driver->escapeId($target))) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function truncateTables(array $tables) |
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{ |
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$this->driver->execute('TRUNCATE ' . implode(', ', array_map(function ($table) { |
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return $this->driver->escapeTableName($table); |
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}, $tables))); |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function userTypes() |
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{ |
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$query = 'SELECT typname FROM pg_type WHERE typnamespace = ' . |
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'(SELECT oid FROM pg_namespace WHERE nspname = current_schema()) ' . |
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"AND typtype IN ('b','d','e') AND typelem = 0"; |
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return $this->driver->values($query); |
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} |
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} |
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