对于运行 9.0.X 的用户，不需要进行转储/恢复。
\n不过，如果你是从早于 9.0.6 的版本升级，请参见第 E.18 节。
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\n不过，如果你是从早于 9.0.6 的版本升级，请参见第 E.18 节。
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\n这些错误可能导致多次扫描同一 WITH 子查询的查询给出错误答案。
改进 GiST 索引的页面分裂决策（Alexander Korotkov、Robert Haas、Tom Lane）
\n多列 GiST 索引可能因此错误而遭受意外膨胀。
", "text": "改进 GiST 索引的页面分裂决策（Alexander Korotkov、Robert Haas、Tom Lane） 多列 GiST 索引可能因此错误而遭受意外膨胀。", "title": "改进 GiST 索引的页面分裂决策", "commits": [], "section": "变更", "category": "improvement", "source_url": "/docs/release/9.0.10/#id-1.11.6.18.5", "source_hash": "6511b0730133e02b090fc68488140603404e2326806bb803eb6a4fe6447776cf", "section_path": ["变更"], "commit_groups": [], "identity_text": "Improve page-splitting decisions in GiST indexes (Alexander Korotkov, Robert Haas, Tom Lane) Multi-column GiST indexes might suffer unexpected bloat due to this error.", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.10/changes/002", "db_id": "8cacc1f6e7dd584ba7cdf575bc4129fb", "patch_ids": [], "statement_hash": "f011fb58ac0821237d5d448459b15e8cf3408a4bef80f4856dc49cc39a6e462f", "relations": [{"rule": 2, "type": "equivalent", "target": "d78207824bf5c4c0e51b593ff8aa15fd", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f011fb58ac0821237d5d448459b15e8cf3408a4bef80f4856dc49cc39a6e462f"}}], "version": "9.0.10", "category_label": "其他改进", "also_in": [], "variants": [], "related_changes": [{"db_id": "d78207824bf5c4c0e51b593ff8aa15fd", "kind": "equivalent", "version": "9.1.6", "label": "9.1.6", "title": "改进 GiST 索引的页面分裂决策", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "f011fb58ac0821237d5d448459b15e8cf3408a4bef80f4856dc49cc39a6e462f"}, "url": "/docs/compare/?release=9.1.6#9.1.6-866e4207ec937bfb", "source_url": "/docs/release/9.1.6/#id-1.11.6.23.5"}]}, {"id": "9.0.10-271b3c2678cc2d1b", "cves": [], "html": "修复级联权限撤销，使其在权限仍被持有时停止（Tom Lane）
\n如果我们撤销某个角色 X 的授予选项，但 X 仍通过别人的授予持有该选项，我们就不应从 X 曾授予该权限的角色 Y 那里递归撤销相应权限。
改进热备配置错误的错误消息（Gurjeet Singh）
", "text": "改进热备配置错误的错误消息（Gurjeet Singh）", "title": "改进热备配置错误的错误消息", "commits": [], "section": "变更", "category": "improvement", "source_url": "/docs/release/9.0.10/#id-1.11.6.18.5", "source_hash": "31f3a27ff32ffcd9bfc2540b6b8eb90ae184be4a6d091002a9c488e129d6a3c5", "section_path": ["变更"], "commit_groups": [], "identity_text": "Improve error messages for Hot Standby misconfiguration errors (Gurjeet Singh)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.10/changes/004", "db_id": "8e839915505bc1e1a41f5e1847e671df", "patch_ids": [], "statement_hash": "ed7e6986b5ef5dc55358284847dd5838524f8627f0892406aead003500a2b5f9", "relations": [{"rule": 2, "type": "equivalent", "target": "9fb026bbb9f130da498f7baf877e0c0e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ed7e6986b5ef5dc55358284847dd5838524f8627f0892406aead003500a2b5f9"}}], "version": "9.0.10", "category_label": "其他改进", "also_in": [], "variants": [], "related_changes": [{"db_id": "9fb026bbb9f130da498f7baf877e0c0e", "kind": "equivalent", "version": "9.1.6", "label": "9.1.6", "title": "改进热备配置错误的错误消息", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "ed7e6986b5ef5dc55358284847dd5838524f8627f0892406aead003500a2b5f9"}, "url": "/docs/compare/?release=9.1.6#9.1.6-ddde93d4f878cf9a", "source_url": "/docs/release/9.1.6/#id-1.11.6.23.5"}]}, {"id": "9.0.10-72f6b0c101616e88", "cves": [], "html": "修复使用 PL/Perl 时对 SIGFPE 的处理（Andres Freund）
Perl 会把进程的 SIGFPE 处理程序重置为 SIG_IGN，这可能导致之后崩溃。在初始化 PL/Perl 之后恢复正常的 Postgres 信号处理程序。
防止递归 PL/Perl 函数在执行期间被重定义时 PL/Perl 崩溃（Tom Lane）
", "text": "防止递归 PL/Perl 函数在执行期间被重定义时 PL/Perl 崩溃（Tom Lane）", "title": "防止递归 PL/Perl 函数在执行期间被重定义时 PL/Perl 崩溃", "commits": [], "section": "变更", "category": "bugfix", "source_url": "/docs/release/9.0.10/#id-1.11.6.18.5", "source_hash": "b36aa21fc2aa15564cfd4c352381531672c30fd9c7760e7e0ca6c4f064179b12", "section_path": ["变更"], "commit_groups": [], "identity_text": "Prevent PL/Perl from crashing if a recursive PL/Perl function is redefined while being executed (Tom Lane)", "commit_aliases": [], "source_commits": [], "source_entry_id": "9.0.10/changes/006", "db_id": "2e12c5fc8c760f038a31f06b8163922d", "patch_ids": [], "statement_hash": "247e05f6355b0c18f3b1c9558e4ef965312d9d6960e31a616ce980f6721a542e", "relations": [{"rule": 2, "type": "equivalent", "target": "20cdaf66b51cd04d9badb1e618c75162", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "247e05f6355b0c18f3b1c9558e4ef965312d9d6960e31a616ce980f6721a542e"}}, {"rule": 2, "type": "equivalent", "target": "6fdc69dbd04a82bf8440579c87fa8d7e", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "247e05f6355b0c18f3b1c9558e4ef965312d9d6960e31a616ce980f6721a542e"}}], "version": "9.0.10", "category_label": "BUG 修复", "also_in": [], "variants": [], "related_changes": [{"db_id": "20cdaf66b51cd04d9badb1e618c75162", "kind": "equivalent", "version": "9.2.1", "label": "9.2.1", "title": "防止递归 PL/Perl 函数在执行期间被重定义时 PL/Perl 崩溃", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "247e05f6355b0c18f3b1c9558e4ef965312d9d6960e31a616ce980f6721a542e"}, "url": "/docs/compare/?release=9.2.1#9.2.1-a14a94a129f34a4c", "source_url": "/docs/release/9.2.1/#id-1.11.6.28.5"}, {"db_id": "6fdc69dbd04a82bf8440579c87fa8d7e", "kind": "equivalent", "version": "9.1.6", "label": "9.1.6", "title": "防止递归 PL/Perl 函数在执行期间被重定义时 PL/Perl 崩溃", "evidence": {"same_day": true, "patch_ids": [], "statement_hash": "247e05f6355b0c18f3b1c9558e4ef965312d9d6960e31a616ce980f6721a542e"}, "url": "/docs/compare/?release=9.1.6#9.1.6-a14a94a129f34a4c", "source_url": "/docs/release/9.1.6/#id-1.11.6.23.5"}]}, {"id": "9.0.10-3df65794185ea017", "cves": [], "html": "规避 PL/Perl 中可能的错误优化（Tom Lane）
\n一些 Linux 发行版包含错误版本的 pthread.h，导致 PL/Perl 中的编译代码不正确，当一个 PL/Perl 函数调用另一个会抛出错误的函数时会导致崩溃。
修复 pg_upgrade 在 Windows 上对行尾的处理（Andrew Dunstan）
\n此前，pg_upgrade 可能在函数体等地方添加或删除回车符。
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