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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:38:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:38:04 +0000
commit1ff5c35de5dbd70a782875a91dd2232fd01b002b (patch)
tree77d9ce5e1bf78b3e6ef79f8f6e7861e2ced3c09b /vendor/ipl/sql/src/QueryBuilder.php
parentInitial commit. (diff)
downloadicinga-php-library-upstream.tar.xz
icinga-php-library-upstream.zip
Adding upstream version 0.10.1.upstream/0.10.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/ipl/sql/src/QueryBuilder.php')
-rw-r--r--vendor/ipl/sql/src/QueryBuilder.php910
1 files changed, 910 insertions, 0 deletions
diff --git a/vendor/ipl/sql/src/QueryBuilder.php b/vendor/ipl/sql/src/QueryBuilder.php
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@@ -0,0 +1,910 @@
+<?php
+
+namespace ipl\Sql;
+
+use InvalidArgumentException;
+use ipl\Sql\Adapter\Mssql;
+use ipl\Sql\Contract\Adapter;
+use ipl\Stdlib\Events;
+
+use function ipl\Stdlib\get_php_type;
+
+class QueryBuilder
+{
+ use Events;
+
+ /**
+ * Event raised when a {@link Select} object is assembled into a SQL statement string
+ *
+ * The {@link Select} object is passed as parameter to the event callbacks.
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_ASSEMBLE_SELECT, function (Select $select) {
+ * // ...
+ * });
+ * ```
+ */
+ const ON_ASSEMBLE_SELECT = 'assembleSelect';
+
+ /**
+ * Event raised after a {@link Select} object is assembled into a SQL statement string
+ *
+ * The assembled SQL statement string and the values to bind to the statement are passed as parameters by reference
+ * to the event callbacks.
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_SELECT_ASSEMBLED, function (&$sql, &$values) {
+ * // ...
+ * });
+ * ```
+ */
+ const ON_SELECT_ASSEMBLED = 'selectAssembled';
+
+ /**
+ * Event raised before an {@see Insert} object is assembled into a SQL statement string
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_ASSEMBLE_INSERT, function (Insert $insert) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_ASSEMBLE_INSERT = 'assembleInsert';
+
+ /**
+ * Event raised after an {@see Insert} object is assembled into a SQL statement string
+ *
+ * The assembled SQL statement string and the prepared values are passed by reference to the event callbacks
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_INSERT_ASSEMBLED, function (&$sql, &$values) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_INSERT_ASSEMBLED = 'insertAssembled';
+
+ /**
+ * Event raised before an {@see Update} object is assembled into a SQL statement string
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_ASSEMBLE_UPDATE, function (Update $update) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_ASSEMBLE_UPDATE = 'assembleUpdate';
+
+ /**
+ * Event raised after an {@see Update} object is assembled into a SQL statement string
+ *
+ * The assembled SQL statement string and the prepared values are passed by reference to the event callbacks
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_UPDATE_ASSEMBLED, function (&$sql, &$values) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_UPDATE_ASSEMBLED = 'updateAssembled';
+
+ /**
+ * Event raised before a {@see Delete} object is assembled into a SQL statement string
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_ASSEMBLE_DELETE, function (Delete $delete) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_ASSEMBLE_DELETE = 'assembleDelete';
+
+ /**
+ * Event raised after a {@see Delete} object is assembled into a SQL statement string
+ *
+ * The assembled SQL statement string and the prepared values are passed by reference to the event callbacks
+ *
+ * **Example usage:**
+ *
+ * ```
+ * $queryBuilder->on(QueryBuilder::ON_DELETE_ASSEMBLED, function (&$sql, &$values) {
+ * // ...
+ * });
+ * ```
+ *
+ * @var string
+ */
+ const ON_DELETE_ASSEMBLED = 'deleteAssembled';
+
+ /** @var Adapter */
+ protected $adapter;
+
+ protected $separator = " ";
+
+ /**
+ * Create a new query builder for the specified database adapter
+ *
+ * @param Adapter $adapter
+ */
+ public function __construct(Adapter $adapter)
+ {
+ $adapter->registerQueryBuilderCallbacks($this);
+
+ $this->adapter = $adapter;
+ }
+
+ /**
+ * Assemble the given statement
+ *
+ * @param Delete|Insert|Select|Update $stmt
+ *
+ * @return array
+ *
+ * @throw InvalidArgumentException If statement type is invalid
+ */
+ public function assemble($stmt)
+ {
+ switch (true) {
+ case $stmt instanceof Delete:
+ return $this->assembleDelete($stmt);
+ case $stmt instanceof Insert:
+ return $this->assembleInsert($stmt);
+ case $stmt instanceof Select:
+ return $this->assembleSelect($stmt);
+ case $stmt instanceof Update:
+ return $this->assembleUpdate($stmt);
+ default:
+ throw new InvalidArgumentException(sprintf(
+ __METHOD__ . ' expects instances of Delete, Insert, Select or Update. Got %s instead.',
+ get_php_type($stmt)
+ ));
+ }
+ }
+
+ /**
+ * Assemble a DELETE query
+ *
+ * @param Delete $delete
+ *
+ * @return array
+ */
+ public function assembleDelete(Delete $delete)
+ {
+ $values = [];
+
+ $this->emit(self::ON_ASSEMBLE_DELETE, [$delete]);
+
+ $sql = array_filter([
+ $this->buildWith($delete->getWith(), $values),
+ $this->buildDeleteFrom($delete->getFrom()),
+ $this->buildWhere($delete->getWhere(), $values)
+ ]);
+
+ $sql = implode($this->separator, $sql);
+
+ $this->emit(static::ON_DELETE_ASSEMBLED, [&$sql, &$values]);
+
+ return [$sql, $values];
+ }
+
+ /**
+ * Assemble a INSERT statement
+ *
+ * @param Insert $insert
+ *
+ * @return array
+ */
+ public function assembleInsert(Insert $insert)
+ {
+ $values = [];
+
+ $this->emit(static::ON_ASSEMBLE_INSERT, [$insert]);
+
+ $select = $insert->getSelect();
+
+ $sql = array_filter([
+ $this->buildWith($insert->getWith(), $values),
+ $this->buildInsertInto($insert->getInto()),
+ $select
+ ? $this->buildInsertIntoSelect($insert->getColumns(), $select, $values)
+ : $this->buildInsertColumnsAndValues($insert->getColumns(), $insert->getValues(), $values)
+ ]);
+
+ $sql = implode($this->separator, $sql);
+
+ $this->emit(static::ON_INSERT_ASSEMBLED, [&$sql, &$values]);
+
+ return [$sql, $values];
+ }
+
+ /**
+ * Assemble a SELECT query
+ *
+ * @param Select $select
+ * @param array $values
+ *
+ * @return array
+ */
+ public function assembleSelect(Select $select, array &$values = [])
+ {
+ $select = clone $select;
+
+ $this->emit(static::ON_ASSEMBLE_SELECT, [$select]);
+
+ $sql = array_filter([
+ $this->buildWith($select->getWith(), $values),
+ $this->buildSelect($select->getColumns(), $select->getDistinct(), $values),
+ $this->buildFrom($select->getFrom(), $values),
+ $this->buildJoin($select->getJoin(), $values),
+ $this->buildWhere($select->getWhere(), $values),
+ $this->buildGroupBy($select->getGroupBy(), $values),
+ $this->buildHaving($select->getHaving(), $values),
+ $this->buildOrderBy($select->getOrderBy(), $values),
+ $this->buildLimitOffset($select->getLimit(), $select->getOffset())
+ ]);
+
+ $sql = implode($this->separator, $sql);
+
+ $unions = $this->buildUnions($select->getUnion(), $values);
+ if ($unions) {
+ list($unionKeywords, $selects) = $unions;
+
+ if ($sql) {
+ $sql = "($sql)";
+
+ $requiresUnionKeyword = true;
+ } else {
+ $requiresUnionKeyword = false;
+ }
+
+ do {
+ $unionKeyword = array_shift($unionKeywords);
+ $select = array_shift($selects);
+
+ if ($requiresUnionKeyword) {
+ $sql .= "{$this->separator}$unionKeyword{$this->separator}";
+ }
+
+ $sql .= "($select)";
+
+ $requiresUnionKeyword = true;
+ } while (! empty($unionKeywords));
+ }
+
+ $this->emit(static::ON_SELECT_ASSEMBLED, [&$sql, &$values]);
+
+ return [$sql, $values];
+ }
+
+ /**
+ * Assemble a UPDATE query
+ *
+ * @param Update $update
+ *
+ * @return array
+ */
+ public function assembleUpdate(Update $update)
+ {
+ $values = [];
+
+ $this->emit(self::ON_ASSEMBLE_UPDATE, [$update]);
+
+ $sql = array_filter([
+ $this->buildWith($update->getWith(), $values),
+ $this->buildUpdateTable($update->getTable()),
+ $this->buildUpdateSet($update->getSet(), $values),
+ $this->buildWhere($update->getWhere(), $values)
+ ]);
+
+ $sql = implode($this->separator, $sql);
+
+ $this->emit(static::ON_UPDATE_ASSEMBLED, [&$sql, &$values]);
+
+ return [$sql, $values];
+ }
+
+ /**
+ * Build the WITH part of a query
+ *
+ * @param array $with
+ * @param array $values
+ *
+ * @return string The WITH part of a query
+ */
+ public function buildWith(array $with, array &$values)
+ {
+ if (empty($with)) {
+ return '';
+ }
+
+ $ctes = [];
+ $hasRecursive = false;
+
+ foreach ($with as $cte) {
+ list($query, $alias, $recursive) = $cte;
+ list($cteSql, $cteValues) = $this->assembleSelect($query);
+
+ $ctes[] = "$alias AS ($cteSql)";
+
+ $values = array_merge($values, $cteValues);
+ $hasRecursive |= $recursive;
+ }
+
+ return ($hasRecursive ? 'WITH RECURSIVE ' : 'WITH ') . implode(', ', $ctes);
+ }
+
+ /**
+ * Build the DELETE FROM part of a query
+ *
+ * @param array $from
+ *
+ * @return string The DELETE FROM part of a query
+ */
+ public function buildDeleteFrom(array $from = null)
+ {
+ if ($from === null) {
+ return '';
+ }
+
+ $deleteFrom = 'DELETE FROM';
+
+ reset($from);
+ $alias = key($from);
+ $table = current($from);
+
+ if (is_int($alias)) {
+ $deleteFrom .= " $table";
+ } else {
+ $deleteFrom .= " $table $alias";
+ }
+
+ return $deleteFrom;
+ }
+
+ /**
+ * Outsourced logic of {@link buildCondition()}
+ *
+ * @param string $expression
+ * @param array $values
+ *
+ * @return array
+ */
+ public function unpackCondition($expression, array $values)
+ {
+ $placeholders = preg_match_all('/(\?)/', $expression, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
+
+ if ($placeholders === 0) {
+ return [$expression, []];
+ }
+
+ if ($placeholders === 1) {
+ $offset = $matches[0][1][1];
+ $expression = substr($expression, 0, $offset)
+ . implode(', ', array_fill(0, count($values), '?'))
+ . substr($expression, $offset + 1);
+
+ return [$expression, $values];
+ }
+
+ $unpackedExpression = [];
+ $unpackedValues = [];
+ $offset = 0;
+
+ foreach ($matches as $match) {
+ $value = array_shift($values);
+ $unpackedExpression[] = substr($expression, $offset, $match[1][1] - $offset);
+ if (is_array($value)) {
+ $unpackedExpression[] = implode(', ', array_fill(0, count($value), '?'));
+ $unpackedValues = array_merge($unpackedValues, $value);
+ } else {
+ $unpackedExpression[] = '?';
+ $unpackedValues[] = $value;
+ }
+ $offset = $match[1][1] + 1; // 1 is the length of '?'
+ }
+
+ $unpackedExpression[] = substr($expression, $offset);
+
+ return [implode('', array_filter($unpackedExpression)), $unpackedValues];
+ }
+
+ /**
+ * Outsourced logic {@link buildWhere()} and {@link buildHaving()} have in common
+ *
+ * @param array $condition
+ * @param array $values
+ *
+ * @return string
+ */
+ public function buildCondition(array $condition, array &$values)
+ {
+ $sql = [];
+
+ $operator = array_shift($condition);
+ $conditions = array_shift($condition);
+
+ foreach ($conditions as $expression => $value) {
+ if (is_array($value)) {
+ if (is_int($expression)) {
+ // Operator format
+ $sql[] = $this->buildCondition($value, $values);
+ } else {
+ list($unpackedExpression, $unpackedValues) = $this->unpackCondition($expression, $value);
+ $sql[] = $unpackedExpression;
+ $values = array_merge($values, $unpackedValues);
+ }
+ } else {
+ if ($value instanceof ExpressionInterface) {
+ $sql[] = $this->buildExpression($value, $values);
+ } elseif ($value instanceof Select) {
+ $stmt = '(' . $this->assembleSelect($value, $values)[0] . ')';
+ if (is_int($expression)) {
+ $sql[] = $stmt;
+ } else {
+ $sql[] = str_replace('?', $stmt, $expression);
+ }
+ } elseif (is_int($expression)) {
+ $sql[] = $value;
+ } else {
+ $sql[] = $expression;
+ $values[] = $value;
+ }
+ }
+ }
+
+ if ($operator === Sql::NOT_ALL || $operator === Sql::NOT_ANY) {
+ return 'NOT (' . implode(") $operator (", $sql) . ')';
+ }
+
+ return count($sql) === 1 ? $sql[0] : '(' . implode(") $operator (", $sql) . ')';
+ }
+
+ /**
+ * Build the WHERE part of a query
+ *
+ * @param array $where
+ * @oaram array $values
+ *
+ * @return string The WHERE part of the query
+ */
+ public function buildWhere(array $where = null, array &$values = [])
+ {
+ if ($where === null) {
+ return '';
+ }
+
+ return 'WHERE ' . $this->buildCondition($where, $values);
+ }
+
+ /**
+ * Build the INSERT INTO part of a INSERT INTO ... statement
+ *
+ * @param string|null $into
+ *
+ * @return string The INSERT INTO part of a INSERT INTO ... statement
+ */
+ public function buildInsertInto($into)
+ {
+ if (empty($into)) {
+ return '';
+ }
+
+ return "INSERT INTO $into";
+ }
+
+ /**
+ * Build the columns and SELECT part of a INSERT INTO ... SELECT statement
+ *
+ * @param array $columns
+ * @param Select $select
+ * @param array $values
+ *
+ * @return string The columns and SELECT part of the INSERT INTO ... SELECT statement
+ */
+ public function buildInsertIntoSelect(array $columns, Select $select, array &$values)
+ {
+ $sql = [
+ '(' . implode(',', $columns) . ')',
+ $this->assembleSelect($select, $values)[0]
+ ];
+
+ return implode($this->separator, $sql);
+ }
+
+ /**
+ * Build the columns and values part of a INSERT INTO ... statement
+ *
+ * @param array $columns
+ * @param array $insertValues
+ * @param array $values
+ *
+ * @return string The columns and values part of a INSERT INTO ... statement
+ */
+ public function buildInsertColumnsAndValues(array $columns, array $insertValues, array &$values)
+ {
+ $sql = ['(' . implode(',', $columns) . ')'];
+
+ $preparedValues = [];
+
+ foreach ($insertValues as $value) {
+ if ($value instanceof ExpressionInterface) {
+ $preparedValues[] = $this->buildExpression($value, $values);
+ } elseif ($value instanceof Select) {
+ $preparedValues[] = "({$this->assembleSelect($value, $values)[0]})";
+ } else {
+ $preparedValues[] = '?';
+ $values[] = $value;
+ }
+ }
+
+ $sql[] = 'VALUES(' . implode(',', $preparedValues) . ')';
+
+ return implode($this->separator, $sql);
+ }
+
+ /**
+ * Build the SELECT part of a query
+ *
+ * @param array $columns
+ * @param bool $distinct
+ * @param array $values
+ *
+ * @return string The SELECT part of the query
+ */
+ public function buildSelect(array $columns, $distinct, array &$values)
+ {
+ if (empty($columns)) {
+ return '';
+ }
+
+ $select = 'SELECT';
+
+ if ($distinct) {
+ $select .= ' DISTINCT';
+ }
+
+ if (empty($columns)) {
+ return "$select *";
+ }
+
+ $sql = [];
+
+ foreach ($columns as $alias => $column) {
+ if ($column instanceof ExpressionInterface) {
+ $column = "({$this->buildExpression($column, $values)})";
+ } elseif ($column instanceof Select) {
+ $column = "({$this->assembleSelect($column, $values)[0]})";
+ }
+
+ if (is_int($alias)) {
+ $sql[] = $column;
+ } else {
+ $sql[] = "$column AS $alias";
+ }
+ }
+
+ return "$select " . implode(', ', $sql);
+ }
+
+ /**
+ * Build the FROM part of a query
+ *
+ * @param array $from
+ * @param array $values
+ *
+ * @return string The FROM part of the query
+ */
+ public function buildFrom(array $from = null, array &$values = [])
+ {
+ if ($from === null) {
+ return '';
+ }
+
+ $sql = [];
+
+ foreach ($from as $alias => $table) {
+ if ($table instanceof Select) {
+ $table = "({$this->assembleSelect($table, $values)[0]})";
+ }
+
+ if (is_int($alias) || $alias === $table) {
+ $sql[] = $table;
+ } else {
+ $sql[] = "$table $alias";
+ }
+ }
+
+ return 'FROM ' . implode(', ', $sql);
+ }
+
+ /**
+ * Build the JOIN part(s) of a query
+ *
+ * @param array $joins
+ * @oaram array $values
+ *
+ * @return string The JOIN part(s) of the query
+ */
+ public function buildJoin($joins, array &$values)
+ {
+ if ($joins === null) {
+ return '';
+ }
+
+ $sql = [];
+ foreach ($joins as $join) {
+ list($joinType, $table, $condition) = $join;
+
+ if (is_array($table)) {
+ foreach ($table as $alias => $tableName) {
+ break;
+ }
+ } else {
+ $alias = null;
+ $tableName = $table;
+ }
+
+ if ($tableName instanceof Select) {
+ $tableName = "({$this->assembleSelect($tableName, $values)[0]})";
+ }
+
+ if (is_array($condition)) {
+ $condition = $this->buildCondition($condition, $values);
+ }
+
+ if (empty($alias) || $alias === $tableName) {
+ $sql[] = "$joinType JOIN $tableName ON $condition";
+ } else {
+ $sql[] = "$joinType JOIN $tableName $alias ON $condition";
+ }
+ }
+
+ return implode($this->separator, $sql);
+ }
+
+ /**
+ * Build the GROUP BY part of a query
+ *
+ * @param array $groupBy
+ * @param array $values
+ *
+ * @return string The GROUP BY part of the query
+ */
+ public function buildGroupBy(array $groupBy = null, array &$values = [])
+ {
+ if ($groupBy === null) {
+ return '';
+ }
+
+ foreach ($groupBy as &$column) {
+ if ($column instanceof ExpressionInterface) {
+ $column = $this->buildExpression($column, $values);
+ } elseif ($column instanceof Select) {
+ $column = "({$this->assembleSelect($column, $values)[0]})";
+ }
+ }
+
+ return 'GROUP BY ' . implode(', ', $groupBy);
+ }
+
+ /**
+ * Build the HAVING part of a query
+ *
+ * @param array $having
+ * @param array $values
+ *
+ * @return string The HAVING part of the query
+ */
+ public function buildHaving(array $having = null, array &$values = [])
+ {
+ if ($having === null) {
+ return '';
+ }
+
+ return 'HAVING ' . $this->buildCondition($having, $values);
+ }
+
+ /**
+ * Build the ORDER BY part of a query
+ *
+ * @param array $orderBy
+ * @param array $values
+ *
+ * @return string The ORDER BY part of the query
+ */
+ public function buildOrderBy(array $orderBy = null, array &$values = [])
+ {
+ if ($orderBy === null) {
+ return '';
+ }
+
+ $sql = [];
+
+ foreach ($orderBy as $column) {
+ list($column, $direction) = $column;
+
+ if ($column instanceof ExpressionInterface) {
+ $column = $this->buildExpression($column, $values);
+ } elseif ($column instanceof Select) {
+ $column = "({$this->assembleSelect($column, $values)[0]})";
+ }
+
+ if ($direction !== null) {
+ $sql[] = "$column $direction";
+ } else {
+ $sql[] = $column;
+ }
+ }
+
+ return 'ORDER BY ' . implode(', ', $sql);
+ }
+
+ /**
+ * Build the LIMIT and OFFSET part of a query
+ *
+ * @param int $limit
+ * @param int $offset
+ *
+ * @return string The LIMIT and OFFSET part of the query
+ */
+ public function buildLimitOffset($limit = null, $offset = null)
+ {
+ $sql = [];
+
+ if ($this->adapter instanceof Mssql) {
+ if ($offset !== null || $limit !== null) {
+ // If offset is null, sprintf will convert it to 0
+ $sql[] = sprintf('OFFSET %d ROWS', $offset);
+ }
+
+ if ($limit !== null) {
+ // FETCH FIRST n ROWS ONLY for OFFSET 0 would be an alternative here
+ $sql[] = "FETCH NEXT $limit ROWS ONLY";
+ }
+ } else {
+ if ($limit !== null) {
+ $sql[] = "LIMIT $limit";
+ }
+
+ if ($offset !== null) {
+ $sql[] = "OFFSET $offset";
+ }
+ }
+
+ return implode($this->separator, $sql);
+ }
+
+ /**
+ * Build the UNION parts of a query
+ *
+ * @param array $unions
+ * @param array $values
+ *
+ * @return array|null The UNION parts of the query
+ */
+ public function buildUnions(array $unions = null, array &$values = [])
+ {
+ if ($unions === null) {
+ return null;
+ }
+
+ $unionKeywords = [];
+ $selects = [];
+
+ foreach ($unions as $union) {
+ list($select, $all) = $union;
+
+ if ($select instanceof Select) {
+ list($select, $values) = $this->assembleSelect($select, $values);
+ }
+
+ $unionKeywords[] = ($all ? 'UNION ALL' : 'UNION');
+ $selects[] = $select;
+ }
+
+ return [$unionKeywords, $selects];
+ }
+
+ /**
+ * Build the UPDATE {table} part of a query
+ *
+ * @param array $updateTable The table to UPDATE
+ *
+ * @return string The UPDATE {table} part of the query
+ */
+ public function buildUpdateTable(array $updateTable = null)
+ {
+ if ($updateTable === null) {
+ return '';
+ }
+
+ $update = 'UPDATE';
+
+ reset($updateTable);
+ $alias = key($updateTable);
+ $table = current($updateTable);
+
+ if (is_int($alias)) {
+ $update .= " $table";
+ } else {
+ $update .= " $table $alias";
+ }
+
+ return $update;
+ }
+
+ /**
+ * Build the SET part of a UPDATE query
+ *
+ * @param array $set
+ * @param array $values
+ *
+ * @return string The SET part of a UPDATE query
+ */
+ public function buildUpdateSet(array $set = null, array &$values = [])
+ {
+ if (empty($set)) {
+ return '';
+ }
+
+ $sql = [];
+
+ foreach ($set as $column => $value) {
+ if ($value instanceof ExpressionInterface) {
+ $sql[] = "$column = {$this->buildExpression($value, $values)}";
+ } elseif ($value instanceof Select) {
+ $sql[] = "$column = ({$this->assembleSelect($value, $values)[0]})";
+ } else {
+ $sql[] = "$column = ?";
+ $values[] = $value;
+ }
+ }
+
+ return 'SET ' . implode(', ', $sql);
+ }
+
+ /**
+ * Build expression
+ *
+ * @param ExpressionInterface $expression
+ * @param array $values
+ *
+ * @return string The expression's statement
+ */
+ public function buildExpression(ExpressionInterface $expression, array &$values = [])
+ {
+ $stmt = $expression->getStatement();
+ $columns = $expression->getColumns();
+ if (! empty($columns)) {
+ $stmt = vsprintf($stmt, $columns);
+ }
+
+ $values = array_merge($values, $expression->getValues());
+
+ return $stmt;
+ }
+}