705 lines
24 KiB
PHP
705 lines
24 KiB
PHP
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<?php
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declare(strict_types=1);
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 3.0.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Cake\Database\Schema;
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use Cake\Database\Exception\DatabaseException;
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/**
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* Schema management/reflection features for Postgres.
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*
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* @internal
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*/
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class PostgresSchemaDialect extends SchemaDialect
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{
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/**
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* Generate the SQL to list the tables and views.
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*
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* @param array<string, mixed> $config The connection configuration to use for
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* getting tables from.
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* @return array An array of (sql, params) to execute.
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*/
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public function listTablesSql(array $config): array
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{
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$sql = 'SELECT table_name as name FROM information_schema.tables
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WHERE table_schema = ? ORDER BY name';
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$schema = empty($config['schema']) ? 'public' : $config['schema'];
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return [$sql, [$schema]];
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}
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/**
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* Generate the SQL to list the tables, excluding all views.
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*
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* @param array<string, mixed> $config The connection configuration to use for
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* getting tables from.
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* @return array<mixed> An array of (sql, params) to execute.
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*/
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public function listTablesWithoutViewsSql(array $config): array
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{
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$sql = 'SELECT table_name as name FROM information_schema.tables
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WHERE table_schema = ? AND table_type = \'BASE TABLE\' ORDER BY name';
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$schema = empty($config['schema']) ? 'public' : $config['schema'];
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return [$sql, [$schema]];
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}
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/**
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* @inheritDoc
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*/
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public function describeColumnSql(string $tableName, array $config): array
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{
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$sql = 'SELECT DISTINCT table_schema AS schema,
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column_name AS name,
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data_type AS type,
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is_nullable AS null, column_default AS default,
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character_maximum_length AS char_length,
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c.collation_name,
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d.description as comment,
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ordinal_position,
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c.datetime_precision,
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c.numeric_precision as column_precision,
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c.numeric_scale as column_scale,
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pg_get_serial_sequence(attr.attrelid::regclass::text, attr.attname) IS NOT NULL AS has_serial
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FROM information_schema.columns c
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INNER JOIN pg_catalog.pg_namespace ns ON (ns.nspname = table_schema)
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INNER JOIN pg_catalog.pg_class cl ON (cl.relnamespace = ns.oid AND cl.relname = table_name)
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LEFT JOIN pg_catalog.pg_index i ON (i.indrelid = cl.oid AND i.indkey[0] = c.ordinal_position)
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LEFT JOIN pg_catalog.pg_description d on (cl.oid = d.objoid AND d.objsubid = c.ordinal_position)
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LEFT JOIN pg_catalog.pg_attribute attr ON (cl.oid = attr.attrelid AND column_name = attr.attname)
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WHERE table_name = ? AND table_schema = ? AND table_catalog = ?
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ORDER BY ordinal_position';
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$schema = empty($config['schema']) ? 'public' : $config['schema'];
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return [$sql, [$tableName, $schema, $config['database']]];
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}
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/**
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* Convert a column definition to the abstract types.
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*
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* The returned type will be a type that
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* Cake\Database\TypeFactory can handle.
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*
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* @param string $column The column type + length
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* @throws \Cake\Database\Exception\DatabaseException when column cannot be parsed.
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* @return array<string, mixed> Array of column information.
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*/
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protected function _convertColumn(string $column): array
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{
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preg_match('/([a-z\s]+)(?:\(([0-9,]+)\))?/i', $column, $matches);
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if (empty($matches)) {
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throw new DatabaseException(sprintf('Unable to parse column type from "%s"', $column));
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}
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$col = strtolower($matches[1]);
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$length = $precision = $scale = null;
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if (isset($matches[2])) {
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$length = (int)$matches[2];
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}
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$type = $this->_applyTypeSpecificColumnConversion(
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$col,
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compact('length', 'precision', 'scale')
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);
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if ($type !== null) {
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return $type;
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}
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if (in_array($col, ['date', 'time', 'boolean'], true)) {
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return ['type' => $col, 'length' => null];
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}
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if (in_array($col, ['timestamptz', 'timestamp with time zone'], true)) {
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return ['type' => TableSchema::TYPE_TIMESTAMP_TIMEZONE, 'length' => null];
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}
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if (strpos($col, 'timestamp') !== false) {
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return ['type' => TableSchema::TYPE_TIMESTAMP_FRACTIONAL, 'length' => null];
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}
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if (strpos($col, 'time') !== false) {
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return ['type' => TableSchema::TYPE_TIME, 'length' => null];
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}
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if ($col === 'serial' || $col === 'integer') {
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return ['type' => TableSchema::TYPE_INTEGER, 'length' => 10];
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}
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if ($col === 'bigserial' || $col === 'bigint') {
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return ['type' => TableSchema::TYPE_BIGINTEGER, 'length' => 20];
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}
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if ($col === 'smallint') {
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return ['type' => TableSchema::TYPE_SMALLINTEGER, 'length' => 5];
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}
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if ($col === 'inet') {
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return ['type' => TableSchema::TYPE_STRING, 'length' => 39];
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}
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if ($col === 'uuid') {
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return ['type' => TableSchema::TYPE_UUID, 'length' => null];
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}
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if ($col === 'char') {
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return ['type' => TableSchema::TYPE_CHAR, 'length' => $length];
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}
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if (strpos($col, 'character') !== false) {
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return ['type' => TableSchema::TYPE_STRING, 'length' => $length];
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}
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// money is 'string' as it includes arbitrary text content
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// before the number value.
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if (strpos($col, 'money') !== false || $col === 'string') {
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return ['type' => TableSchema::TYPE_STRING, 'length' => $length];
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}
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if (strpos($col, 'text') !== false) {
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return ['type' => TableSchema::TYPE_TEXT, 'length' => null];
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}
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if ($col === 'bytea') {
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return ['type' => TableSchema::TYPE_BINARY, 'length' => null];
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}
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if ($col === 'real' || strpos($col, 'double') !== false) {
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return ['type' => TableSchema::TYPE_FLOAT, 'length' => null];
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}
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if (
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strpos($col, 'numeric') !== false ||
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strpos($col, 'decimal') !== false
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) {
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return ['type' => TableSchema::TYPE_DECIMAL, 'length' => null];
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}
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if (strpos($col, 'json') !== false) {
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return ['type' => TableSchema::TYPE_JSON, 'length' => null];
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}
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$length = is_numeric($length) ? $length : null;
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return ['type' => TableSchema::TYPE_STRING, 'length' => $length];
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}
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/**
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* @inheritDoc
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*/
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public function convertColumnDescription(TableSchema $schema, array $row): void
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{
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$field = $this->_convertColumn($row['type']);
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if ($field['type'] === TableSchema::TYPE_BOOLEAN) {
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if ($row['default'] === 'true') {
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$row['default'] = 1;
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}
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if ($row['default'] === 'false') {
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$row['default'] = 0;
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}
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}
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if (!empty($row['has_serial'])) {
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$field['autoIncrement'] = true;
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}
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$field += [
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'default' => $this->_defaultValue($row['default']),
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'null' => $row['null'] === 'YES',
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'collate' => $row['collation_name'],
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'comment' => $row['comment'],
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];
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$field['length'] = $row['char_length'] ?: $field['length'];
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if ($field['type'] === 'numeric' || $field['type'] === 'decimal') {
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$field['length'] = $row['column_precision'];
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$field['precision'] = $row['column_scale'] ?: null;
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}
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if ($field['type'] === TableSchema::TYPE_TIMESTAMP_FRACTIONAL) {
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$field['precision'] = $row['datetime_precision'];
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if ($field['precision'] === 0) {
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$field['type'] = TableSchema::TYPE_TIMESTAMP;
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}
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}
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if ($field['type'] === TableSchema::TYPE_TIMESTAMP_TIMEZONE) {
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$field['precision'] = $row['datetime_precision'];
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}
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$schema->addColumn($row['name'], $field);
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}
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/**
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* Manipulate the default value.
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*
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* Postgres includes sequence data and casting information in default values.
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* We need to remove those.
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*
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* @param string|int|null $default The default value.
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* @return string|int|null
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*/
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protected function _defaultValue($default)
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{
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if (is_numeric($default) || $default === null) {
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return $default;
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}
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// Sequences
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if (strpos($default, 'nextval') === 0) {
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return null;
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}
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if (strpos($default, 'NULL::') === 0) {
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return null;
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}
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// Remove quotes and postgres casts
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return preg_replace(
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"/^'(.*)'(?:::.*)$/",
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'$1',
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$default
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);
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}
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/**
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* @inheritDoc
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*/
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public function describeIndexSql(string $tableName, array $config): array
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{
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$sql = 'SELECT
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c2.relname,
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a.attname,
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i.indisprimary,
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i.indisunique
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FROM pg_catalog.pg_namespace n
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INNER JOIN pg_catalog.pg_class c ON (n.oid = c.relnamespace)
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INNER JOIN pg_catalog.pg_index i ON (c.oid = i.indrelid)
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INNER JOIN pg_catalog.pg_class c2 ON (c2.oid = i.indexrelid)
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INNER JOIN pg_catalog.pg_attribute a ON (a.attrelid = c.oid AND i.indrelid::regclass = a.attrelid::regclass)
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WHERE n.nspname = ?
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AND a.attnum = ANY(i.indkey)
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AND c.relname = ?
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ORDER BY i.indisprimary DESC, i.indisunique DESC, c.relname, a.attnum';
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$schema = 'public';
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if (!empty($config['schema'])) {
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$schema = $config['schema'];
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}
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return [$sql, [$schema, $tableName]];
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}
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/**
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* @inheritDoc
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*/
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public function convertIndexDescription(TableSchema $schema, array $row): void
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{
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$type = TableSchema::INDEX_INDEX;
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$name = $row['relname'];
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if ($row['indisprimary']) {
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$name = $type = TableSchema::CONSTRAINT_PRIMARY;
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}
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if ($row['indisunique'] && $type === TableSchema::INDEX_INDEX) {
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$type = TableSchema::CONSTRAINT_UNIQUE;
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}
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if ($type === TableSchema::CONSTRAINT_PRIMARY || $type === TableSchema::CONSTRAINT_UNIQUE) {
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$this->_convertConstraint($schema, $name, $type, $row);
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return;
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}
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$index = $schema->getIndex($name);
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if (!$index) {
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$index = [
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'type' => $type,
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'columns' => [],
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];
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}
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$index['columns'][] = $row['attname'];
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$schema->addIndex($name, $index);
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}
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/**
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* Add/update a constraint into the schema object.
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*
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* @param \Cake\Database\Schema\TableSchema $schema The table to update.
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* @param string $name The index name.
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* @param string $type The index type.
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* @param array $row The metadata record to update with.
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* @return void
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*/
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protected function _convertConstraint(TableSchema $schema, string $name, string $type, array $row): void
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{
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$constraint = $schema->getConstraint($name);
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if (!$constraint) {
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$constraint = [
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'type' => $type,
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'columns' => [],
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];
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}
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$constraint['columns'][] = $row['attname'];
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$schema->addConstraint($name, $constraint);
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}
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/**
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* @inheritDoc
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*/
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public function describeForeignKeySql(string $tableName, array $config): array
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{
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// phpcs:disable Generic.Files.LineLength
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$sql = 'SELECT
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c.conname AS name,
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c.contype AS type,
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a.attname AS column_name,
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c.confmatchtype AS match_type,
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c.confupdtype AS on_update,
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c.confdeltype AS on_delete,
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c.confrelid::regclass AS references_table,
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ab.attname AS references_field
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FROM pg_catalog.pg_namespace n
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INNER JOIN pg_catalog.pg_class cl ON (n.oid = cl.relnamespace)
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INNER JOIN pg_catalog.pg_constraint c ON (n.oid = c.connamespace)
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INNER JOIN pg_catalog.pg_attribute a ON (a.attrelid = cl.oid AND c.conrelid = a.attrelid AND a.attnum = ANY(c.conkey))
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INNER JOIN pg_catalog.pg_attribute ab ON (a.attrelid = cl.oid AND c.confrelid = ab.attrelid AND ab.attnum = ANY(c.confkey))
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WHERE n.nspname = ?
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AND cl.relname = ?
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ORDER BY name, a.attnum, ab.attnum DESC';
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|
|
// phpcs:enable Generic.Files.LineLength
|
||
|
|
|
||
|
|
$schema = empty($config['schema']) ? 'public' : $config['schema'];
|
||
|
|
|
||
|
|
return [$sql, [$schema, $tableName]];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function convertForeignKeyDescription(TableSchema $schema, array $row): void
|
||
|
|
{
|
||
|
|
$data = [
|
||
|
|
'type' => TableSchema::CONSTRAINT_FOREIGN,
|
||
|
|
'columns' => $row['column_name'],
|
||
|
|
'references' => [$row['references_table'], $row['references_field']],
|
||
|
|
'update' => $this->_convertOnClause($row['on_update']),
|
||
|
|
'delete' => $this->_convertOnClause($row['on_delete']),
|
||
|
|
];
|
||
|
|
$schema->addConstraint($row['name'], $data);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
protected function _convertOnClause(string $clause): string
|
||
|
|
{
|
||
|
|
if ($clause === 'r') {
|
||
|
|
return TableSchema::ACTION_RESTRICT;
|
||
|
|
}
|
||
|
|
if ($clause === 'a') {
|
||
|
|
return TableSchema::ACTION_NO_ACTION;
|
||
|
|
}
|
||
|
|
if ($clause === 'c') {
|
||
|
|
return TableSchema::ACTION_CASCADE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TableSchema::ACTION_SET_NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function columnSql(TableSchema $schema, string $name): string
|
||
|
|
{
|
||
|
|
/** @var array $data */
|
||
|
|
$data = $schema->getColumn($name);
|
||
|
|
|
||
|
|
$sql = $this->_getTypeSpecificColumnSql($data['type'], $schema, $name);
|
||
|
|
if ($sql !== null) {
|
||
|
|
return $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
$out = $this->_driver->quoteIdentifier($name);
|
||
|
|
$typeMap = [
|
||
|
|
TableSchema::TYPE_TINYINTEGER => ' SMALLINT',
|
||
|
|
TableSchema::TYPE_SMALLINTEGER => ' SMALLINT',
|
||
|
|
TableSchema::TYPE_BINARY_UUID => ' UUID',
|
||
|
|
TableSchema::TYPE_BOOLEAN => ' BOOLEAN',
|
||
|
|
TableSchema::TYPE_FLOAT => ' FLOAT',
|
||
|
|
TableSchema::TYPE_DECIMAL => ' DECIMAL',
|
||
|
|
TableSchema::TYPE_DATE => ' DATE',
|
||
|
|
TableSchema::TYPE_TIME => ' TIME',
|
||
|
|
TableSchema::TYPE_DATETIME => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_DATETIME_FRACTIONAL => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_TIMESTAMP => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE => ' TIMESTAMPTZ',
|
||
|
|
TableSchema::TYPE_UUID => ' UUID',
|
||
|
|
TableSchema::TYPE_CHAR => ' CHAR',
|
||
|
|
TableSchema::TYPE_JSON => ' JSONB',
|
||
|
|
];
|
||
|
|
|
||
|
|
if (isset($typeMap[$data['type']])) {
|
||
|
|
$out .= $typeMap[$data['type']];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($data['type'] === TableSchema::TYPE_INTEGER || $data['type'] === TableSchema::TYPE_BIGINTEGER) {
|
||
|
|
$type = $data['type'] === TableSchema::TYPE_INTEGER ? ' INTEGER' : ' BIGINT';
|
||
|
|
if ($schema->getPrimaryKey() === [$name] || $data['autoIncrement'] === true) {
|
||
|
|
$type = $data['type'] === TableSchema::TYPE_INTEGER ? ' SERIAL' : ' BIGSERIAL';
|
||
|
|
unset($data['null'], $data['default']);
|
||
|
|
}
|
||
|
|
$out .= $type;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($data['type'] === TableSchema::TYPE_TEXT && $data['length'] !== TableSchema::LENGTH_TINY) {
|
||
|
|
$out .= ' TEXT';
|
||
|
|
}
|
||
|
|
if ($data['type'] === TableSchema::TYPE_BINARY) {
|
||
|
|
$out .= ' BYTEA';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($data['type'] === TableSchema::TYPE_CHAR) {
|
||
|
|
$out .= '(' . $data['length'] . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
$data['type'] === TableSchema::TYPE_STRING ||
|
||
|
|
(
|
||
|
|
$data['type'] === TableSchema::TYPE_TEXT &&
|
||
|
|
$data['length'] === TableSchema::LENGTH_TINY
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
$out .= ' VARCHAR';
|
||
|
|
if (isset($data['length']) && $data['length'] !== '') {
|
||
|
|
$out .= '(' . $data['length'] . ')';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasCollate = [TableSchema::TYPE_TEXT, TableSchema::TYPE_STRING, TableSchema::TYPE_CHAR];
|
||
|
|
if (in_array($data['type'], $hasCollate, true) && isset($data['collate']) && $data['collate'] !== '') {
|
||
|
|
$out .= ' COLLATE "' . $data['collate'] . '"';
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasPrecision = [
|
||
|
|
TableSchema::TYPE_FLOAT,
|
||
|
|
TableSchema::TYPE_DATETIME,
|
||
|
|
TableSchema::TYPE_DATETIME_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE,
|
||
|
|
];
|
||
|
|
if (in_array($data['type'], $hasPrecision) && isset($data['precision'])) {
|
||
|
|
$out .= '(' . $data['precision'] . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
$data['type'] === TableSchema::TYPE_DECIMAL &&
|
||
|
|
(
|
||
|
|
isset($data['length']) ||
|
||
|
|
isset($data['precision'])
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
$out .= '(' . $data['length'] . ',' . (int)$data['precision'] . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($data['null']) && $data['null'] === false) {
|
||
|
|
$out .= ' NOT NULL';
|
||
|
|
}
|
||
|
|
|
||
|
|
$datetimeTypes = [
|
||
|
|
TableSchema::TYPE_DATETIME,
|
||
|
|
TableSchema::TYPE_DATETIME_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE,
|
||
|
|
];
|
||
|
|
if (
|
||
|
|
isset($data['default']) &&
|
||
|
|
in_array($data['type'], $datetimeTypes) &&
|
||
|
|
strtolower($data['default']) === 'current_timestamp'
|
||
|
|
) {
|
||
|
|
$out .= ' DEFAULT CURRENT_TIMESTAMP';
|
||
|
|
} elseif (isset($data['default'])) {
|
||
|
|
$defaultValue = $data['default'];
|
||
|
|
if ($data['type'] === 'boolean') {
|
||
|
|
$defaultValue = (bool)$defaultValue;
|
||
|
|
}
|
||
|
|
$out .= ' DEFAULT ' . $this->_driver->schemaValue($defaultValue);
|
||
|
|
} elseif (isset($data['null']) && $data['null'] !== false) {
|
||
|
|
$out .= ' DEFAULT NULL';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $out;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function addConstraintSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$sqlPattern = 'ALTER TABLE %s ADD %s;';
|
||
|
|
$sql = [];
|
||
|
|
|
||
|
|
foreach ($schema->constraints() as $name) {
|
||
|
|
/** @var array $constraint */
|
||
|
|
$constraint = $schema->getConstraint($name);
|
||
|
|
if ($constraint['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
$sql[] = sprintf($sqlPattern, $tableName, $this->constraintSql($schema, $name));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function dropConstraintSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$sqlPattern = 'ALTER TABLE %s DROP CONSTRAINT %s;';
|
||
|
|
$sql = [];
|
||
|
|
|
||
|
|
foreach ($schema->constraints() as $name) {
|
||
|
|
/** @var array $constraint */
|
||
|
|
$constraint = $schema->getConstraint($name);
|
||
|
|
if ($constraint['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
$constraintName = $this->_driver->quoteIdentifier($name);
|
||
|
|
$sql[] = sprintf($sqlPattern, $tableName, $constraintName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function indexSql(TableSchema $schema, string $name): string
|
||
|
|
{
|
||
|
|
/** @var array $data */
|
||
|
|
$data = $schema->getIndex($name);
|
||
|
|
$columns = array_map(
|
||
|
|
[$this->_driver, 'quoteIdentifier'],
|
||
|
|
$data['columns']
|
||
|
|
);
|
||
|
|
|
||
|
|
return sprintf(
|
||
|
|
'CREATE INDEX %s ON %s (%s)',
|
||
|
|
$this->_driver->quoteIdentifier($name),
|
||
|
|
$this->_driver->quoteIdentifier($schema->name()),
|
||
|
|
implode(', ', $columns)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function constraintSql(TableSchema $schema, string $name): string
|
||
|
|
{
|
||
|
|
/** @var array<string, mixed> $data */
|
||
|
|
$data = $schema->getConstraint($name);
|
||
|
|
$out = 'CONSTRAINT ' . $this->_driver->quoteIdentifier($name);
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_PRIMARY) {
|
||
|
|
$out = 'PRIMARY KEY';
|
||
|
|
}
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_UNIQUE) {
|
||
|
|
$out .= ' UNIQUE';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->_keySql($out, $data);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper method for generating key SQL snippets.
|
||
|
|
*
|
||
|
|
* @param string $prefix The key prefix
|
||
|
|
* @param array<string, mixed> $data Key data.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function _keySql(string $prefix, array $data): string
|
||
|
|
{
|
||
|
|
$columns = array_map(
|
||
|
|
[$this->_driver, 'quoteIdentifier'],
|
||
|
|
$data['columns']
|
||
|
|
);
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
return $prefix . sprintf(
|
||
|
|
' FOREIGN KEY (%s) REFERENCES %s (%s) ON UPDATE %s ON DELETE %s DEFERRABLE INITIALLY IMMEDIATE',
|
||
|
|
implode(', ', $columns),
|
||
|
|
$this->_driver->quoteIdentifier($data['references'][0]),
|
||
|
|
$this->_convertConstraintColumns($data['references'][1]),
|
||
|
|
$this->_foreignOnClause($data['update']),
|
||
|
|
$this->_foreignOnClause($data['delete'])
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $prefix . ' (' . implode(', ', $columns) . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function createTableSql(TableSchema $schema, array $columns, array $constraints, array $indexes): array
|
||
|
|
{
|
||
|
|
$content = array_merge($columns, $constraints);
|
||
|
|
$content = implode(",\n", array_filter($content));
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
$dbSchema = $this->_driver->schema();
|
||
|
|
if ($dbSchema != 'public') {
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($dbSchema) . '.' . $tableName;
|
||
|
|
}
|
||
|
|
$temporary = $schema->isTemporary() ? ' TEMPORARY ' : ' ';
|
||
|
|
$out = [];
|
||
|
|
$out[] = sprintf("CREATE%sTABLE %s (\n%s\n)", $temporary, $tableName, $content);
|
||
|
|
foreach ($indexes as $index) {
|
||
|
|
$out[] = $index;
|
||
|
|
}
|
||
|
|
foreach ($schema->columns() as $column) {
|
||
|
|
$columnData = $schema->getColumn($column);
|
||
|
|
if (isset($columnData['comment'])) {
|
||
|
|
$out[] = sprintf(
|
||
|
|
'COMMENT ON COLUMN %s.%s IS %s',
|
||
|
|
$tableName,
|
||
|
|
$this->_driver->quoteIdentifier($column),
|
||
|
|
$this->_driver->schemaValue($columnData['comment'])
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $out;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function truncateTableSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$name = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
|
||
|
|
return [
|
||
|
|
sprintf('TRUNCATE %s RESTART IDENTITY CASCADE', $name),
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate the SQL to drop a table.
|
||
|
|
*
|
||
|
|
* @param \Cake\Database\Schema\TableSchema $schema Table instance
|
||
|
|
* @return array SQL statements to drop a table.
|
||
|
|
*/
|
||
|
|
public function dropTableSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$sql = sprintf(
|
||
|
|
'DROP TABLE %s CASCADE',
|
||
|
|
$this->_driver->quoteIdentifier($schema->name())
|
||
|
|
);
|
||
|
|
|
||
|
|
return [$sql];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// phpcs:disable
|
||
|
|
class_alias(
|
||
|
|
'Cake\Database\Schema\PostgresSchemaDialect',
|
||
|
|
'Cake\Database\Schema\PostgresSchema'
|
||
|
|
);
|
||
|
|
// phpcs:enable
|