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node", "sha256": "3119f68768634c1b35c2d9fb65ecb989addbdf99d88064c8292f114cf3b2b79d", "language": "zh", "matched_nodes": ["#DATATYPE-NUMERIC/div[10]/div[9]/p[1]", "#DATATYPE-NUMERIC/div[4]/div[1]/table[0]/tbody[2]/tr[0]/td[3]", "#DATATYPE-NUMERIC/div[4]/div[1]/table[0]/tbody[2]/tr[1]/td[3]", "#DATATYPE-NUMERIC/div[4]/div[1]/table[0]/tbody[2]/tr[2]/td[3]", "#DATATYPE-NUMERIC/div[4]/div[1]/table[0]/tbody[2]/tr[3]/td[1]", "#DATATYPE-NUMERIC/div[4]/div[1]/table[0]/thead[1]/tr[0]/th[0]", "#DATATYPE-NUMERIC/div[8]/div[13]/h3[0]"]}]}, "authored_translation": "preserved-translation-of-reverified-type-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [], "description_zh": "有符号两字节整数", "description_zh_html": "<p>有符号两字节整数</p><h3>同版本中文手册节选</h3><p>\n    数字类型包括 2、4、8 字节的整数，4、8 字节的浮点数，以及可选精度的小数。<a class=\"xref\" href=\"/zh/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE\">表 8.2</a> 列出了所有可用类型。\n   </p><p>\n    数字类型常量的语法在<a class=\"xref\" href=\"/zh/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS\">第 4.1.2 节</a>里描述。数字类型有一整套对应的算术操作符和函数。相关信息请参考<a class=\"xref\" href=\"/zh/docs/18/functions.html\">第 9 章</a>。下面的几节详细描述这些类型。\n   </p><p><a href=\"/zh/docs/18/datatype-numeric.html\">查看完整中文手册与上下文</a>。</p>"}, "summary": "有符号两字节整数", "version": "18", "link_map": {"/zh/docs/18/functions.html": "/docs/18/functions.html", "/zh/docs/18/datatype-numeric.html": "/docs/18/datatype-numeric.html", "/zh/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE": "/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE", "/zh/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS": "/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS"}, "body_html": "<p>有符号两字节整数</p><h3>同版本中文手册节选</h3><p>\n    数字类型包括 2、4、8 字节的整数，4、8 字节的浮点数，以及可选精度的小数。<a href=\"/zh/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE\" rel=\"nofollow\">表 8.2</a> 列出了所有可用类型。\n   </p><p>\n    数字类型常量的语法在<a href=\"/zh/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS\" rel=\"nofollow\">第 4.1.2 节</a>里描述。数字类型有一整套对应的算术操作符和函数。相关信息请参考<a href=\"/zh/docs/18/functions.html\" rel=\"nofollow\">第 9 章</a>。下面的几节详细描述这些类型。\n   </p><p><a href=\"/zh/docs/18/datatype-numeric.html\" rel=\"nofollow\">查看完整中文手册与上下文</a>。</p>", "body_sha256": "73400ed9c96229188d214ea3c435e0bc56f86ca5d48f880c70d794d43edd5d4f", "content_hash": "a4f4e85ca63d9c0d2a99c8c79943bedcd9136c7021ec103798e79303b1d79624", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "operators": [{"oid": "94", "descr": "equal", "oprcom": "=(int2,int2)", "oprcode": "int2eq", "oprjoin": "eqjoinsel", "oprkind": "b", "oprleft": "int2", "oprname": "=", "oprrest": "eqsel", "oprowner": "POSTGRES", "oprright": "int2", "oprnegate": "<>(int2,int2)", "oprresult": "bool", "oprcanhash": "t", "oprcanmerge": "t", "oprnamespace": "pg_catalog"}, {"oid": "95", "descr": "less than", "oprcom": ">(int2,int2)", "oprcode": "int2lt", "oprjoin": "scalarltjoinsel", "oprkind": 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"int2", "opcmethod": "brin", "opcdefault": "f", "opckeytype": "int2"}, {"opcname": "int2_minmax_multi_ops", "opcfamily": "brin/integer_minmax_multi_ops", "opcintype": "int2", "opcmethod": "brin", "opcdefault": "f", "opckeytype": "int2"}, {"opcname": "int2_minmax_ops", "opcfamily": "brin/integer_minmax_ops", "opcintype": "int2", "opcmethod": "brin", "opcdefault": "t", "opckeytype": "int2"}, {"opcname": "int2_ops", "opcfamily": "btree/integer_ops", "opcintype": "int2", "opcmethod": "btree", "opcdefault": "t", "opckeytype": "0"}, {"opcname": "int2_ops", "opcfamily": "hash/integer_ops", "opcintype": "int2", "opcmethod": "hash", "opcdefault": "t", "opckeytype": "0"}]}, "comparison_hash": "96d0f6b69d5c05fd0a0f56c00eb414192b084f98a0373ee436a5032b8fd21689", "manual_language": "zh", "operator_classes": [{"oid": "1979", "opcname": "int2_ops", "opcowner": "POSTGRES", "opcfamily": "btree/integer_ops", "opcintype": "int2", "opcmethod": "btree", "oid_symbol": "INT2_BTREE_OPS_OID", "opcdefault": "t", "opckeytype": "0", "opcnamespace": "pg_catalog"}, {"opcname": "int2_ops", "opcowner": "POSTGRES", "opcfamily": "hash/integer_ops", "opcintype": "int2", "opcmethod": "hash", "opcdefault": "t", "opckeytype": "0", "opcnamespace": "pg_catalog"}, {"opcname": "int2_minmax_ops", "opcowner": "POSTGRES", "opcfamily": "brin/integer_minmax_ops", "opcintype": "int2", "opcmethod": "brin", "opcdefault": "t", "opckeytype": "int2", "opcnamespace": "pg_catalog"}, {"opcname": "int2_minmax_multi_ops", "opcowner": "POSTGRES", "opcfamily": "brin/integer_minmax_multi_ops", "opcintype": "int2", "opcmethod": "brin", "opcdefault": "f", "opckeytype": "int2", "opcnamespace": "pg_catalog"}, {"opcname": "int2_bloom_ops", "opcowner": "POSTGRES", "opcfamily": "brin/integer_bloom_ops", "opcintype": "int2", "opcmethod": "brin", "opcdefault": "f", "opckeytype": "int2", "opcnamespace": "pg_catalog"}], "description_zh_html": "<p>有符号两字节整数</p><h3>同版本中文手册节选</h3><p>\n    数字类型包括 2、4、8 字节的整数，4、8 字节的浮点数，以及可选精度的小数。<a href=\"/zh/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE\" rel=\"nofollow\">表 8.2</a> 列出了所有可用类型。\n   </p><p>\n    数字类型常量的语法在<a href=\"/zh/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS\" rel=\"nofollow\">第 4.1.2 节</a>里描述。数字类型有一整套对应的算术操作符和函数。相关信息请参考<a href=\"/zh/docs/18/functions.html\" rel=\"nofollow\">第 9 章</a>。下面的几节详细描述这些类型。\n   </p><p><a href=\"/zh/docs/18/datatype-numeric.html\" rel=\"nofollow\">查看完整中文手册与上下文</a>。</p>", "manual_documentation": "dedicated family chapter", "center_zh_rendered": "<p>有符号两字节整数</p><h3>同版本中文手册节选</h3><p>\n    数字类型包括 2、4、8 字节的整数，4、8 字节的浮点数，以及可选精度的小数。<a href=\"/docs/18/datatype-numeric.html#DATATYPE-NUMERIC-TABLE\">表 8.2</a> 列出了所有可用类型。\n   </p><p>\n    数字类型常量的语法在<a href=\"/docs/18/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS\">第 4.1.2 节</a>里描述。数字类型有一整套对应的算术操作符和函数。相关信息请参考<a href=\"/docs/18/functions.html\">第 9 章</a>。下面的几节详细描述这些类型。\n   </p><p><a href=\"/docs/18/datatype-numeric.html\">查看完整中文手册与上下文</a>。</p>"}, "from": "17", "comparison": 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