diff -u b/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php b/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
--- b/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
+++ b/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
@@ -1,4 +1,9 @@
 <?php
+// cSpell Ignore list.
+// cSpell:ignore adbin adnum adrelid attisdropped attname attnum attrdef
+// cSpell:ignore attrelid atttypid atttypmod conkey conrelid contype
+// cSpell:ignore indexrelid indisprimary indkey indrelid linktitle nspname
+// cSpell:ignore regclass relkind relname relnamespace schemaname
 
 namespace Drupal\Core\Database\Driver\pgsql;
 
@@ -133,7 +138,6 @@
         // of the attribute ID, and the default value must be extracted from the
         // node tree for the attribute definition instead of the historical
         // human-readable column, adsrc.
-        // cSpell:disable
         $sql = <<<'EOD'
 SELECT pg_attribute.attname AS column_name, format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS data_type, pg_get_expr(pg_attrdef.adbin, pg_attribute.attrelid) AS column_default
 FROM pg_attribute
@@ -144,7 +148,6 @@
 AND (format_type(pg_attribute.atttypid, pg_attribute.atttypmod) = 'bytea'
 OR pg_get_expr(pg_attrdef.adbin, pg_attribute.attrelid) LIKE 'nextval%')
 EOD;
-        // cSpell:enable
         $result = $this->connection->query($sql, [
           ':key' => $key,
         ]);
@@ -187,7 +190,6 @@
    */
   protected function getTempNamespaceName() {
     if (!isset($this->tempNamespaceName)) {
-      // cSpell:disable-next-line
       $this->tempNamespaceName = $this->connection->query('SELECT nspname FROM pg_namespace WHERE oid = pg_my_temp_schema()')->fetchField();
     }
     return $this->tempNamespaceName;
@@ -242,7 +244,6 @@
     $this->connection->addSavepoint();
 
     try {
-      // cSpell:disable-next-line
       $checks = $this->connection->query("SELECT conname FROM pg_class cl INNER JOIN pg_constraint co ON co.conrelid = cl.oid INNER JOIN pg_attribute attr ON attr.attrelid = cl.oid AND attr.attnum = ANY (co.conkey) INNER JOIN pg_namespace ns ON cl.relnamespace = ns.oid WHERE co.contype = :constraint_type AND ns.nspname = :schema AND cl.relname = :table AND attr.attname = :column", [
         ':constraint_type' => $constraint_type,
         ':schema' => $schema,
@@ -496,7 +497,6 @@
   public function tableExists($table) {
     $prefixInfo = $this->getPrefixInfo($table, TRUE);
 
-    // cSpell:disable-next-line
     return (bool) $this->connection->query("SELECT 1 FROM pg_tables WHERE schemaname = :schema AND tablename = :table", [':schema' => $prefixInfo['schema'], ':table' => $prefixInfo['table']])->fetchField();
   }
 
@@ -511,7 +511,6 @@
 
     // Load all the tables up front in order to take into account per-table
     // prefixes. The actual matching is done at the bottom of the method.
-    // cSpell:disable-next-line
     $results = $this->connection->query("SELECT tablename FROM pg_tables WHERE schemaname = :schema", [':schema' => $this->defaultSchema]);
     foreach ($results as $table) {
       // Take into account tables that have an individual prefix.
@@ -564,7 +563,6 @@
 
     // Index names and constraint names are global in PostgreSQL, so we need to
     // rename them when renaming the table.
-    // cSpell:disable-next-line
     $indexes = $this->connection->query('SELECT indexname FROM pg_indexes WHERE schemaname = :schema AND tablename = :table', [':schema' => $old_schema, ':table' => $old_table_name]);
 
     foreach ($indexes as $index) {
@@ -709,7 +707,6 @@
   public function fieldExists($table, $column) {
     $prefixInfo = $this->getPrefixInfo($table);
 
-    // cSpell:disable-next-line
     return (bool) $this->connection->query("SELECT 1 FROM pg_attribute WHERE attrelid = :key::regclass AND attname = :column AND NOT attisdropped AND attnum > 0", [':key' => $prefixInfo['schema'] . '.' . $prefixInfo['table'], ':column' => $column])->fetchField();
   }
 
@@ -791,7 +788,6 @@
     if (!$this->tableExists($table)) {
       return FALSE;
     }
-    // cSpell:disable-next-line
     return $this->connection->query("SELECT array_position(i.indkey, a.attnum) AS position, a.attname FROM pg_index i JOIN pg_attribute a ON a.attrelid = i.indrelid AND a.attnum = ANY(i.indkey) WHERE i.indrelid = '{" . $table . "}'::regclass AND i.indisprimary ORDER BY position")->fetchAllKeyed();
   }
 
@@ -867,7 +863,6 @@
 
     // Get the schema and tablename for the table without identifier quotes.
     $full_name = str_replace('"', '', $this->connection->prefixTables('{' . $table . '}'));
-    // cSpell:disable-next-line
     $result = $this->connection->query("SELECT i.relname AS index_name, a.attname AS column_name FROM pg_class t, pg_class i, pg_index ix, pg_attribute a WHERE t.oid = ix.indrelid AND i.oid = ix.indexrelid AND a.attrelid = t.oid AND a.attnum = ANY(ix.indkey) AND t.relkind = 'r' AND t.relname = :table_name ORDER BY index_name ASC, column_name ASC", [
       ':table_name' => $full_name,
     ])->fetchAll();
@@ -1033,11 +1028,9 @@
     $info = $this->getPrefixInfo($table);
     // Don't use {} around pg_class, pg_attribute tables.
     if (isset($column)) {
-      // cSpell:disable-next-line
       return $this->connection->query('SELECT col_description(oid, attnum) FROM pg_class, pg_attribute WHERE attrelid = oid AND relname = ? AND attname = ?', [$info['table'], $column])->fetchField();
     }
     else {
-      // cSpell:disable-next-line
       return $this->connection->query('SELECT obj_description(oid, ?) FROM pg_class WHERE relname = ?', ['pg_class', $info['table']])->fetchField();
     }
   }